CN1214384C - Apparatus for radio transmitting and receiving of portable karaoke - Google Patents
Apparatus for radio transmitting and receiving of portable karaoke Download PDFInfo
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- CN1214384C CN1214384C CN 98126750 CN98126750A CN1214384C CN 1214384 C CN1214384 C CN 1214384C CN 98126750 CN98126750 CN 98126750 CN 98126750 A CN98126750 A CN 98126750A CN 1214384 C CN1214384 C CN 1214384C
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Abstract
The accompany machine can mix sound signals, image signals, caption signals, accompany music signals input from outside and modulate them into high frequency signals and output the high frequency signals in a way of wireless telegraph or wire output. In this way, the machine can be prevented from interference of the telegraph or receiving telegraph of other machines. The accompany sound datum and lyric are easily to be made to data that can be easily added, deleted or exchanged, thereby the high frequency is stable. When mix line is generated by other signals, the machine can be changed to other channel to achieve the effect of preventing mix line. The cost can be reduced if only buying a card plate storing songs or lyrics, and the mutual benefit for the purchaser and bargainor can be improved.
Description
Technical field
The invention relates to apparatus for radio transmitting and receiving of portable karaoke.
Background technology
If describe in detail is such, will be by after the voice signal of wireless or wire microphone input, the signal of video signal and caption signal and accompaniment music signal mixing by VCD or semiconductor storage input by external image machine, VCD or semiconductor storage input by external image machine, VCD or semiconductor storage input, its modulation is become high-frequency signal, send or export with wired form with wireless.This apparatus for radio transmitting and receiving of portable karaoke has avoided transmission, receive frequency that above-mentioned transmission frequency and receive frequency are taken place by other machine to disturb.And make accompaniment tone data and lyrics auxiliary information be increased, delete easily or good exchange.
In general image accompanying song machine, is provided with in the rest room of karaoke halls or hotel or company or family, and the user is seeing image and the captions that show on the TV screen, and the accompaniment tone of exporting on the sound amplifier is used for wire microphone and can sings the song of wanting thereupon.To sing or pressure relief in order practising recently, and to show radical universal tendency.
General similar image accompanying song machine is by following each member; Image data is drawn and the image extracting device of regenerating by the image data memory storage unit, the accompaniment music data is drawn and the subtitle decoder of decoding by captions data memory storage unit, draw the accompaniment music data by medium-sized data memory storage unit, accompaniment music regenerator with power supply signal regeneration is connected to each other again with complete form manufacturing respectively separately.Therefore, regeneration and decoded image and caption signal like this, mixing makes it to be configured a video screen later on, it is decoded into the R.G.B. of colour signal and exports.Distinguish by the source of sound cancellation data of above-mentioned accompaniment music regenerator and the state that carries out of accompaniment music to make the color continually varying central controller of the captions that show on the above-mentioned video screen be configured to other installations.Especially, because be connected, the R.G.B. demoder that the frequency mixer of above-mentioned image and captions and the image-decoding after the mixing is become the R.G.B. signal and export is being set in the central controller mixing with each regeneration of image extracting device and subtitle decoder and accompaniment music regenerator and the electronic unit intricately of the corresponding a lot of supplementaries of decoding.Frequency mixer and R.G.B. demoder are made of a large amount of integrated circuit (IC).And, user's sound, via having/the wireless microphone input, synthetic on the power supply device of above-mentioned accompaniment music regenerator.By expander it is exported simultaneously with accompanying song.Simultaneously the captions on the GRT screen of above-mentioned R.G.B. signal, the input behind the coding overlap on the fixed video screen and show.
Therefore, in this respect, being problematic in that of this existing image accompanying song machine:
Not only volume is big, is provided with layer by layer by several machines, is not easy to decompose and be provided with, and because of being arranged on fixing seat, have with the place change can to go wrong when mobile, and a large amount of electrical equipment of system's reason in the past, the parts of electronics demagnetizer constitute because of pressing the signal connection, so connect complicated.Therefore, the unit price of machine rises, and price is improved thereupon.
In order to remove this problem, at first modulation such as image, captions, accompaniment music, sound are become high-frequency signal, make with the image accompanying song mechanism of wireless output and do miniaturization, small-sized image accompanying song machine is contained in the wireless microphone, simple because of carrying and be provided with easily, thereby in the atmosphere that can cause karaoke halls Anywhere that TV, sounder, FM radio, transmitter etc. are arranged, and the one-body molded apparatus for radio transmitting and receiving of portable karaoke of wireless microphone that price is descended has developed.
But perhaps following problem when being contained in the wireless microphone, can take place to the image accompanying song machine of miniaturization in the one-body molded image accompanying song machine that carries of aforesaid wireless microphone:
1, because the control knob is arranged in the wireless microphone, and when the people sang, others can not preengage next song, and after need having sung, instant reservation is next, and is more loaded down with trivial details.
2, by image, captions, accompaniment music, the voice signal of wireless microphone high frequency modulated, because of sending to TV, sounder, FM radio, transmitter or the like, between the antenna of wireless microphone and above-mentioned TV, sounder, FM radio, the transmitter, such as people or barrier are arranged, will cause noise, and the playing video instability, because of singing people's posture and the angle difference of holding microphone, may cause same problem again.
If the size of 3 wireless microphones and weight surpass certain limit, lost the meaning of using wireless microphone, so the power supply of the image accompanying song machine of wireless microphone and interior dress has to use the alkaline battery of low capacity.
Therefore the small-capacity cells of the one-body molded apparatus for radio transmitting and receiving of portable karaoke use of wireless microphone can only need often to replace with about two or three hours, brings inconvenience.
4, the user transmits microphone mutually, just in case careless, drop to ground, the high price image accompanying song machine of dress was out of order in the impact that causes therefrom easily made in the wireless microphone.
5, beyond the interior accompaniment song of adorning, when increasing other accompaniment song as need, the high price semiconductor memory that can only select for use manufacturing company to sell, other storeies do not have compatibility, so it is in fact very difficult to append song.Just in case manufacturing company closes down, to increase so song will become impossible.
6, because of on the semiconductor memory that is loaded on high price in image and the captions data, and memory capacity seldom, and being difficult for provides various background video according to the atmosphere of different songs.
Summary of the invention
Therefore, the object of the present invention is to provide apparatus for radio transmitting and receiving of portable karaoke, this accompaniment device will be by the voice signal of wireless or wire microphone input, by the external image machine, after the signal of video signal of VCD or semiconductor memory input and the caption signal and accompaniment music signal mixing by VCD or semiconductor memory input by external image machine or VCD or semiconductor memory input, its modulation is become high-frequency signal, send or export with wired form with wireless.
A kind of VCD of utilization of the present invention's first scheme has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, from semiconductor memory and CD playback image, captions and accompaniment music, difference stored video data, captions data and accompaniment music data in the described semiconductor memory; Store described image data, described captions data and described accompaniment music data among the described CD respectively, it is characterized in that, comprising: the VCD controller, image data, captions data and the accompaniment music data of above-mentioned CD are decoded, with its output of resetting; The PLC/FPGA controller is decoded to image data, captions data and the accompaniment music data of above-mentioned semiconductor memory, with its output of resetting; The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal from above-mentioned VCD controller or the output of PLC/FPGA controller; The video signal selector switch carries out mixing and output to signal of video signal and caption signal from above-mentioned VCD controller or the output of PLC/FPGA controller; System controller is controlled selectively to the action of a side in above-mentioned VCD controller and the above-mentioned PLC/FPGA controller, and controls above-mentioned audio communication selector switch and above-mentioned video signal selector switch; The button input unit is to above-mentioned system controller input user's order; Wireless microphone, the part in the above-mentioned user's of above-mentioned system controller wireless transmission order and above-mentioned user's sound; Control signal detects detuner, detects user's command signal and carries out outputing to the said system controller after the demodulation from above-mentioned wireless microphone; The variable FM receiving demodulation of sound device when above-mentioned user's voice signal is imported by wireless microphone, becomes this sound signal processing the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side; Voice detector is located between tut variable FM receiving demodulation device and above-mentioned VCD controller or the PLC/FPGA controller, will be supplied with above-mentioned VCD controller or PLC/FPGA controller by the voice signal of the variable FM receiving demodulation of tut device demodulation; The tv wireless transmitter will be modulated into high-frequency signal at above-mentioned audio communication selector switch and above-mentioned video signal selector switch through the signal of mixing respectively, and sends to the outside; Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable; The television transmission antenna will carry out airborne spread by modulated high-frequency signal in above-mentioned tv wireless transmitter; The sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command that sends from above-mentioned wireless microphone; Display shows the operating state of said system controller and above-mentioned VCD controller or PLC/FPGA controller to the user; The TV radio frequency modulator will be modulated into the TV high-frequency signal at the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch, send by wired form.
Alternative plan of the present invention is characterised in that, described VCD controller comprises: the MPEG executor, according to control signal by the input of said system controller, export accompaniment music, sound, image, the caption signal CDP controller of above-mentioned CD and tut detecting device, drive CD according to the control signal by the input of above-mentioned MPEG executor: high frequency amplifies self-actuated controller, the signal that utilizes above-mentioned CDP controller from the input of box storehouse is amplified and exports; Driver according to the drive signal of being amplified the self-actuated controller input by above-mentioned high frequency, drives the motor in box storehouse; Data according to the drive signal of being amplified the self-actuated controller input by above-mentioned high frequency, is chosen from above-mentioned CD in the dvd playback storehouse; The digital signal processor will become digital signal to export mpeg decoder afterwards by the signal transformation of above-mentioned high frequency amplification self-actuated controller input, according to signal decoding accompaniment music, image, the caption signal by above-mentioned digital signal processor input; Storer is by the above-mentioned code data of separating of the temporary transient storage of above-mentioned mpeg decoder; Video signal D/A scrambler will be transformed into anaiog signal output afterwards by the image and the caption signal of above-mentioned mpeg decoder input; The Karaoke executor is to carrying out mixing and output by the accompaniment music signal of above-mentioned mpeg decoder input and by the voice signal that above-mentioned microphone is imported; Number/analogy converter will be become anaiog signal output afterwards by the signal transformation of Karaoke executor input; With the audio communication wave filter, the signal by above-mentioned number/analogy converter input is carried out filtering and output.
Third party's case of the present invention is characterised in that described PLC/FPGA controller comprises: the PLC/FPGA executor, and according to control signal, derive image and captions data, and it is transmitted from above-mentioned semiconductor memory by the input of said system controller; The video signal processor is from above-mentioned PLC/FPGA executor together image output, captions data and control signal; Video decoded device is to being decoded by image, the captions data of above-mentioned video signal processor input and exporting; The video signal storer is connected with above-mentioned video decoded device; Synchronizing signal separator is isolated synchronizing signal from the video signal of being imported by above-mentioned video decoded device, and with its output; Video information coder is to being encoded by the video signal of above-mentioned video decoded device input and exporting; Intermediary interface is according to the control signal managing sound source signal by above-mentioned PLC/FPGA executor input; PCM data device, storage is used for the data of pulse code modulated; Audio communication number/analog signal processor, the accompaniment music signal of the above-mentioned semiconductor memory that will derive according to the control signal by intermediary interface input carries out pulse code modulated and output according to the signal of above-mentioned PCM data device; Number/anaiog signal converter will be become anaiog signal output afterwards by the signal transformation of above-mentioned audio communication number/analog signal processor input; With the buffering wave filter, the signal by above-mentioned number/analogy converter input is carried out filtering and output.
Cubic case of the present invention, be characterised in that, also comprise: clamp, be connected on the PLC/FPGA executor of above-mentioned PLC/FPGA controller, be provided with at least one storer on this clamp, at least store a first accompaniment song and a lyrics auxiliary information in this storer, according to user's selection, will the accompany song and the lyrics output to connector; The clamp insertion groove is located between above-mentioned PLC/FPGA executor and the described clamp, accommodates the connector of above-mentioned clamp, and is electrically connected with this connector.
The 5th scheme of the present invention is characterized in that, described variable FM acoustic transmitter comprises: the frequency oscillator that sends reference frequency; The PLL device to carry out frequency division with the corresponding some cycles of user's channel selection, is compared with it the oscillation frequency of said frequencies oscillator, thereupon output voltage with the frequency of feedback; Voltage controller, output after the output voltage of above-mentioned PLL device is subjected to influence on every side with being controlled to Min.; Voltage-controlled oscillator, the output signal correspondent frequency signal of output and above-mentioned voltage controller; The wireless frequency amplifier amplifies the output signal of above-mentioned voltage-controlled oscillator, feeds back to above-mentioned PLL device; Send efferent, signal of video signal, accompanying song music signal and voice signal are modulated into the oscillation frequency of above-mentioned voltage-controlled oscillator, send via the sound transmission/reception antennas.
The present invention's the 6th scheme is characterised in that the variable FM receiving demodulation of described sound device comprises: the frequency oscillator that sends reference frequency; The PLL device, with the oscillation frequency of said frequencies oscillator with the corresponding some cycles frequency division of user's channel selection, output voltage thereupon; Voltage controller, output after the output voltage of above-mentioned PLL device is subjected to influence on every side with being controlled to Min.; Local oscillator, output and the corresponding specific high-frequency signal of the output signal of above-mentioned voltage controller; The first wireless frequency amplifier, the output signal of amplifying above-mentioned local oscillator is applied to above-mentioned PLL device; The second wireless frequency amplifier when voice signal that sends from wireless microphone is received by the sound transmission/reception antennas, amplifies back output with this voice signal, to improve the inspiration degree; Mixer mixes and detection output sound medium wave signal with the output signal of above-mentioned second wireless frequency amplifier and above-mentioned local oscillator; Middle twt amplifier amplifies back output with the output signal of above-mentioned mixer; And wave detector, the output signal of twt amplifier in above-mentioned is carried out demodulation and output.
The present invention's the 7th scheme is characterised in that described PLL device comprises: first frequency divider, with the output frequency of said frequencies oscillator with the some cycles frequency division; Second frequency divider is also exported the output signal of above-mentioned wireless frequency amplifier with the some cycles frequency division; Relatively follower is compared the output frequency of above-mentioned first frequency divider and above-mentioned second frequency divider, and is exported corresponding signal; And voltage follower, output and the above-mentioned relatively output signal correspondent voltage of follower.
The present invention the case from all directions is characterised in that described PLL device comprises: first frequency divider, with the output frequency of said frequencies oscillator with the some cycles frequency division; Second frequency divider is also exported the output signal of the above-mentioned first wireless frequency amplifier with the some cycles frequency division; Relatively follower is compared the output frequency of above-mentioned first frequency divider and above-mentioned second frequency divider, and is exported corresponding signal; And voltage follower, output and the above-mentioned relatively output signal correspondent voltage of follower.
The present invention's the 9th scheme, a kind of VCD of utilization has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, CD from difference storing image data, captions data and accompaniment music data, playback image, captions and accompaniment music, it is characterized in that, comprise: the VCD controller, the image data of above-mentioned CD and captions data and accompaniment music data are decoded, and with its output of resetting; The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal from above-mentioned VCD controller output; The video signal selector switch carries out mixing and output to signal of video signal and caption signal from above-mentioned VCD controller output; System controller is controlled above-mentioned VCD controller, above-mentioned audio communication selector switch and above-mentioned video signal selector switch; The button input unit is to above-mentioned system controller input user order; Wireless microphone, a part and above-mentioned user's sound in the above-mentioned user's of above-mentioned system controller wireless transmission order; Control signal detects detuner, detects user's command signal and carries out after the demodulation from above-mentioned wireless microphone, to above-mentioned system controller output; The variable FM receiving demodulation of sound device under above-mentioned user's the situation of voice signal via the wireless microphone input, becomes the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side with the variable modulation treatment of this voice signal; Voice detector is located between tut variable FM receiving demodulation device and the above-mentioned VCD controller, will supply with the VCD controller by the voice signal of the variable FM receiving demodulation of tut device demodulation; The tv wireless transmitter will be modulated into high-frequency signal by the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch respectively, and sends to the outside; Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable; The television transmission antenna will carry out airborne spread at the high-frequency signal of above-mentioned tv wireless transmitter modulates; With the sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command that sends from above-mentioned wireless microphone.
The present invention's the tenth scheme, a kind ofly utilize having/wireless apparatus for radio transmitting and receiving of portable karaoke of semiconductor memory, semiconductor memory from difference storing image data, captions data and accompaniment music data, playback image, captions and accompaniment music, it is characterized in that, comprise: the PLC/FPGA controller, image data, captions data and the accompaniment music data of above-mentioned semiconductor memory are decoded, and with its output of resetting; The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal by above-mentioned PLC/FPGA controller output; The video signal selector switch carries out mixing and output to signal of video signal and caption signal by above-mentioned PLC/FPGA controller output; System controller is controlled above-mentioned VCD controller, above-mentioned video signal selector switch and above-mentioned audio communication selector switch; The button input unit is to above-mentioned system controller input user order; Wireless microphone, a part and user's sound in the above-mentioned user's of above-mentioned system controller wireless transmission order; Control signal detects detuner, detects user's command signal and carries out after the demodulation from above-mentioned wireless microphone, to above-mentioned system controller output; The variable FM receiving demodulation of sound device under the situation of above-mentioned user's voice signal via the wireless microphone input, becomes the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side with the variable modulation treatment of this voice signal; Voice detector is located between tut variable FM receiving demodulation device and the PLC/FPGA controller, will be supplied with or the PLC/FPGA controller by the voice signal of the variable FM receiving demodulation of tut device demodulation; The tv wireless transmitter will be modulated into high-frequency signal by the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch respectively, and sends to the outside; Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable; The television transmission antenna will carry out airborne spread by modulated high-frequency signal in above-mentioned tv wireless transmitter; With the sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command of exporting by above-mentioned wireless microphone.
This apparatus for radio transmitting and receiving of portable karaoke has avoided transmission, receive frequency that the above-mentioned transmission frequency and the frequency of receiving telegraph are taken place by other machine to disturb.And make the accompaniment tone data and the lyrics data that makes be increased, delete easily or good exchange.
Above-mentioned and other purpose of the present invention, feature and advantage describe in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the block diagram that apparatus for radio transmitting and receiving of portable karaoke of the present invention is shown.
Fig. 2 is the block diagram that apparatus for radio transmitting and receiving of portable karaoke VCD controller of the present invention is shown.
Fig. 3 is the block diagram that apparatus for radio transmitting and receiving of portable karaoke PLC/FPGA controller of the present invention is shown.
Fig. 4 is the key diagram of the clamp that is arranged with the audio document storer in the key diagram 3;
Fig. 5 is that the clamp with Fig. 4 is installed in the exploded perspective view on the image accompanying song machine of the present invention.
Fig. 6 is the block diagram that the variable FM acoustic transmitter of Fig. 1 is shown.
Fig. 7 is the block diagram that the sound FM receiving demodulation device of Fig. 1 is shown.
Embodiment
As shown in Figure 1, the figure shows embodiments of the invention, portable type accompanying song facility of the present invention are equipped with the mainboard that a large amount of parts are electrically connected, and the system controller 20 with the function bulking property ground control of system is arranged on this mainboard; Detect the voice detector 30 of voice signal according to the switch control action of this system controller 20; According to the control signal of said system controller 20, make the VCD controller 40 of signal of video signal regeneration; PLC/FPGA controller 50 according to the control signal of said system controller 20, makes the relevant image and the caption signal output of storing on the image semiconductor memory, and with the accompaniment signal output of storing on the sound semiconductor memory; One of video signal selector switch 60, according to the selector switch signal of said system controller 20, in the picture signal of selection external image signal wire, VCD controller 40 and PLC/FPGA controller 50, with captions mixing and output; Audio communication selector switch 70 according to the selector switch signal of said system controller 20, is selected one of accompaniment music signal of external voice signal wire, VCD controller 40, PLC/FPGA controller 50, carries out mixing and output with user's voice signal; TV RP modulator 90 is connected in the output terminal of above-mentioned video signal selector switch 60 and audio communication selector switch 70, image, captions, accompaniment music and user's voice signal is modulated into output after the channel signals of TV; Tv wireless transmitter 100 sends with wireless after the output signal modulation with above-mentioned video signal selector switch 60 and audio communication selector switch 70; Variable FM acoustic transmitter 120 is transformed into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with the voice signal that is connected in above-mentioned audio communication selector switch 70 output terminals; The variable FM receiving demodulation of sound device 150 under above-mentioned user's the situation of voice signal via wireless microphone 140 inputs, becomes this sound signal processing the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side; The control signal that receives processing with control signal with above-mentioned wireless microphone 140 detects detuner 160.
And, on an end of the variable FM receiving demodulation of above-mentioned voice detector 30, wire microphone and sound device 150, be connected with the switch (SW) of changing each voice signal according to the changeover control signal of system controller 20, the button input unit 10 that is connecting the function setting signal of importing the user on one end of said system control section 20 connects Earphone Amplifier 80 on the output terminal of above-mentioned audio communication selector switch 70.And, connect transmitting antenna 110 on the output terminal of above-mentioned tv wireless transmitter 100, connect sound transmission/reception antennas 130 on one end of above-mentioned variable FM acoustic transmitter 120, connect the display 170 that the operating state with internal system shows to the outside on the output terminal of said system controller 20, VCD control section 40 and PLC controller 50.
At this, the variable FM receiving demodulation of tut device 150 and control signal detect detuner 160, receive the signal of wireless microphone 140 with wireless via antenna 110,130, on a part of body of this wireless microphone 140, be provided with a plurality of control knobs with wireless control native system, above-mentioned button input unit 10 be by be provided with beginning, time-out, static, speed is regulated, high low pitch joint, continuously, the button that function such as returns constitutes (not having diagram), is provided with the basic function button (not having diagram) of operation karaoke halls in the above-mentioned wireless microphone 140.
And, connected wire microphone in addition, two people are sung simultaneously, above-mentioned display part 170 is made of LCD (LCD), is divided into the part of the operating state of the part of operating state of expression VCD controller 40 and expression PLC/FPGA controller 50.
As shown in Figure 2, this illustrates embodiments of the invention, the VCD controller 40 of apparatus for radio transmitting and receiving of portable karaoke of the present invention is by constituting with lower member: MPEG executor 41, according to control signal, export accompaniment music, sound, image, the caption signal of above-mentioned CD and tut detecting device 30 by 20 inputs of said system controller; According to control signal, drive the CDP executor 42 of CD by above-mentioned MPEG executor 41 inputs; Amplifying self-actuated controller 43 from the signal amplification of box storehouse input and the high frequency of output by CDP executor 42; Driver 44, the drive signal according to amplify self-actuated controller 43 inputs from above-mentioned high frequency drives box storehouse motor; Data according to the drive signal of amplifying self-actuated controller 43 inputs from above-mentioned high frequency, is chosen from above-mentioned CD in dvd playback storehouse 45; Digital signal processor 46 is exported after will becoming digital signal from the signal that above-mentioned high frequency amplifies self-actuated controller 43 inputs; Mpeg decoder 47, according to signal from above-mentioned digital signal processor 46 inputs, decoding accompaniment music, image, caption signal; According to by above-mentioned mpeg decoder 47, with the above-mentioned temporary transient memory storing 48,49 of code data of separating; To be transformed into the video signal D/A scrambler 4A that exports after the anaiog signal by the image and the caption signal of above-mentioned mpeg decoder 47 inputs; Karaoke executor 4B will carry out mixing and output by the accompaniment music of above-mentioned mpeg decoder 47 inputs and the voice signal of being imported by above-mentioned wireless microphone 140; Number/analogy alternator 4C will be transformed into anaiog signal output afterwards by the signal of above-mentioned Karaoke executor 4B input; The audio communication wave filter 4D that exports after will signal filtering by the input of above-mentioned number/analogy converter 4C.
As shown in Figure 3, this illustrates embodiments of the invention, the PLC/FPGA executor 20 of apparatus for radio transmitting and receiving of portable karaoke of the present invention is by constituting with lower member: with the image/captions data of being stored in image/captions storer, the PLC/FPGA executor 52 of reading and transmitting according to the control signal of said system controller 50, image/captions the data of this PLC/FPGA executor 52 is made the video signal processor 53 that signal of video signal is handled together with control signal, by the output signal of this video signal processor 53 video decoded device 55 with image/captions data decoding, with synchronizing signal independent synchronizing signal separator 56 that separates from the video signal of video decoded device 55, video information coder 57 with output behind the video signal coding of above-mentioned video decoded device 55, control signal according to above-mentioned PLC/FPGA executor 59 is synthesized the intermediary interface 58 that processing is handled with power supply signal, the audio document storer 5A of storage accompaniment music data, above-mentioned intermediary interface 58 and PCM data device 59 connect with sound data memory 5A, by the signal of PCM data device 59 the accompaniment music data is modulated into pulse code and the audio communication digital signal processor 5B that exports according to the control signal of intermediary interface 58, connecting input end on the output terminal of this audio communication digital signal processor 5B, the buffer filter 5D of the signal filtering of the D/A alternator 5C input that is connected on the D/A converter 5C that digital signal is modulated to anaiog signal and the D/A converter 5C output terminal thus.
And, on the above-mentioned PLC/FPGA control section 50 the audio document storer is not set, on that terminal, according to the needed music pattern of user or the music pattern of classification chronologically, by the exchange of storage accompaniment music and lyrics data and replenish with the audio document storer upgraded as described below;
Being the audio document storer 185 that makes above-mentioned PLC/FPGA controller 50 can be connected on the terminal at the seat that should be provided with, be provided with to store and append with the accompaniment music signal and append clamp insertion groove 190 with the clamp 180 of the audio document storer 185 of lyrics data, can have to make to electrically contact becomes possible structure.
At this moment, above-mentioned accompaniment music signal and lyrics data are exported to above-mentioned mainboard via audio document storer 185 in the above-mentioned clamp 180 and above-mentioned clamp insertion groove 190, here, above-mentioned mainboard inscape shown in figure one all is arranged on the same machine plate, and has and electrically contact.
Above-mentioned variable FM acoustic transmitter 120 as shown in Figure 6, possesses with lower member:
The frequency oscillator 210 that reference frequency is taken place, with the oscillation frequency of said frequencies oscillator 210 with the institute fixed cycle frequency division corresponding with user's channel selection, it is compared with the frequency of feedback, the PLL device 220 of output voltage thereupon, for the output voltage that makes above-mentioned PLL device 220 is subjected to the minimum voltage controller 230 of controlling output of influence on every side, the output signal correspondent frequency voltage of signals control generator 240 of output and above-mentioned voltage controller 230, amplify the output signal of above-mentioned voltage-controlled oscillator 240, receive via sound at the wireless frequency amplifier 250 of above-mentioned PLL device 220 feedbacks with the oscillation frequency of signal of video signal accompanying song music signal and the above-mentioned voltage-controlled oscillator 240 of voice signal modulation becoming and pass on the transmission efferent 260 of antenna 130 outputs.
The variable FM receiving demodulation of tut device 150 as shown in Figure 8, possesses as lower member:
The frequency oscillator 310 that reference frequency takes place, catching up with the oscillation frequency of stating frequency oscillator 310 and the frequency of feedback compares, the PLL device 320 of output voltage thereupon, make the minimum and voltage controller 330 of control output of the output voltage of above-mentioned PLL device 320 influence around being subjected to, the local oscillator 340 of the corresponding set specific frequency signal of output signal of output and above-mentioned voltage control division 330, amplify the first wireless frequency amplifier 350 of the output signal of above-mentioned local oscillator 340 in 320 transmission of above-mentioned PLL device, the voice signal that sends from wireless microphone 140 receives by sound and passes on antenna 130 when being received, for improving sensitivity it is amplified the second wireless frequency amplifier 360 of back output, the output signal of above-mentioned second wireless frequency amplifier 360 and above-mentioned local oscillator 340 is mixed the mixer 370 of detection output sound medium wave signal, make the output signal of above-mentioned mixer 370 amplify the middle twt amplifier 380 and the demodulation of back output and export above-mentioned in the wave detector 390 of output signal of twt amplifier 380.
At this, above-mentioned PLL device 220,320 comprises with lower member:
With the output frequency of said frequencies oscillator 210,310 first frequency divider 221,321 with institute's fixed cycle frequency division, with the output signal of above-mentioned wireless frequency amplifier 250,350 second frequency divider 222,322 with institute's fixed cycle frequency division output, and comparison follower 223,323 and output and the above-mentioned relatively voltage output 224,324 of the output signal correspondent voltage of follower 223,323 of above-mentioned first frequency divider 221,321 being compared output signal thereupon with the output frequency of above-mentioned second frequency divider 222,322.
According to embodiments of the invention, the effect of apparatus for radio transmitting and receiving of portable karaoke, as described below:
When at first introducing power supply, according to enforcement of the present invention, that has utilized VCD have/and wireless dual-purpose image accompanying song machine is activated.
After the startup, the user utilizes the ammonium button that is provided with on button input unit 10 on the operation front panel be arranged on body or the wireless microphone 140, select one of CD mode or computer mode, in order to selected song, the input initiation command, systems control division divides 20 control VCD controller 40 or PLC/FPGA controllers 50 thereupon, by above-mentioned VCD controller 40 or PLC/FPGA controller 50 image, captions, accompaniment music, sound is exported from body.
In the case, on the wireless microphone 140, through control knob and the command signal imported receives through sound and passes on antenna 130 and control signal and detect detuner 160, after the demodulation to system controller 20 outputs.
And, above-mentioned system controller 20, in the middle of the control command of button input unit 10 or wireless microphone 140 inputs, main order is to generate and export the data that screen display (OnscreenDisplay:OSD) is produced.
If, set under the situation of CD mode, system controller 20, the path of control ON/OFF switch (SW), export by VCD controller 40 through ON/OFF switch (SW) and voice detector 30 by the voice signal that wireless microphone is imported, or pass on antenna 130 and the variable FM receiving demodulation of sound device 150 and ON/OFF switch 30 by 40 outputs of VCD control section by the voice signal process sound reception of wireless microphone 140 inputs.
Above-mentioned VCD controller 40, press the control of system controller 20, make CD go up the signal of video signal and the caption signal regeneration of storage, by 60 outputs of audio communication selector switch, simultaneously together with the last relevant accompaniment music signal of storing of CD, will be by the voice signal of tut test section 30 inputs, by 70 outputs of audio communication selector switch.
With reference to second figure of the action of having above-mentioned VCD control section 40, each several part illustrates in greater detail as follows:
By system controller 20 input control signals, MPEG executor 41 is with CDP executor 42 output control signal, the therefore images that compression is being stored on CD.The captions accompaniment music is exported.
In the case, CDP executor 42 amplifies self-actuated controller 43 Control Driver 44 through high frequency, makes the motor rotation in dvd playback storehouse.So, after the rotation of the motor in dvd playback storehouse 45, choose and high frequency amplification self-actuated controller 43 and digital signal processor 46, by mpeg decoder 47 outputs by signal (mpeg signal) process of CD compression.
Karaoke executor (4B), to mix by the microphone voice signal of voice detector 30 inputs and the accompaniment music signal of importing by mpeg decoder 47, and the height of regulating accompaniment music according to the control signal of being imported by MPEG executor 41 is exported accompaniment music and voice signal with number/analogy converter 4C output through the audio communication wave filter.
Video signal D/A scrambler 4A will convert anaiog signal and output to by the image and the caption signal of mpeg decoder 47 inputs.
But, set under the situation of computer mode, the path of system controller 20 control ON/OFF switches (SW), voice signal by the wire microphone input, export by PLC/FPGA controller 50 through ON/OFF switch (SW) and voice detector 30, or, receive through sound and to pass on antenna 130 sound variable FM receiving demodulation device 150ON/OFF switches (SW) and voice detector 30 and export by the PLC/FPGA controller by the voice signal of wireless microphone 140 input.
Above-mentioned PLC/FPGA controller 50, according to the control of system controller 20, after the signal of video signal stored on the semiconductor memory and caption signal read, by 60 outputs of video signal selector, simultaneously with the relevant accompaniment music signal of storing on the semiconductor memory, by 70 outputs of audio communication selector.
With reference to the Fig. 3 with above-mentioned PLC/FPGA controller 50 actions, each several part is described in more detail as follows:
Because above-mentioned intermediary interface 58 controlling audio communication digital signal processor 5B, and the mode of storing the accompaniment music data of audio data storer 5A and providing by PCM data device 59 is modulated to pulse and makes it by number/analogy converter 5C output.
The signal transformation that number/analogy converter 5C will be imported by the signal processor 5B of sound number becomes anaiog signal, and exports with the accompaniment signal via impact damper 5D.
Video signal processor 53 make by the image of PLC/FPGA executor 52 input and caption signal by video decoded device 55 decodings after, after separating device 56 synchronizing signal is separated by synchronizing signal, make by video information coder 57 codings, make it with image/caption signal output.Simultaneously, video signal processor 53 utilizes the microphone voice signal of voice detector 53 inputs, after measuring user's performance level (beat that shows with captions with whether consistent be standard), export intelligence signals according to measurement result by video signal reservoir 54 mark is presented on the television image by the beat of voice signal input.
Video signal selector switch 60 press system controller 20 control command be tuned to CD mode or computer mode state, the signal of video signal of selecting the external image signal and importing from VCD controller 40, and from one of signal of video signal of PLC/FPGA controller 50 input, with caption signal mutually after the mixing, respectively from TV radio frequency modulator 90 tv wireless transmitters 100 and the output of circuit output image signal cable.
Above-mentioned external image signal is same laser disc player (Laser Disc Player; LDP), the video recorder (VTR) and the identical signals such as (CCD) of photographing by the input of external image machine, when external image machine (CCD camera) was gone up in connection, the image of oneself was presented on the TV screen especially, enjoyed the enjoyment of singing while can see the appearance of oneself singing.
And, audio communication selector switch 70 also according to the control command of system controller 20 be tuned to CD state or computer state, this outside audio communication signal and the accompaniment music signal of importing from VCD controller 40, one of and the accompaniment music signal of PLC/FPGA controller input, with it and voice signal mutually after the mixing, to TV radio frequency modulator 90 tv wireless transmitters 100, variable FM acoustic transmitter 120, Earphone Amplifier 80 and the output of circuit voice output signal cable.
Above-mentioned TV radio frequency modulator 90 will by the signal of video signal of video signal selector switch 60 input and caption signal and the accompaniment music of importing by audio communication selector switch 70 and voice signal be tuned to TV 3, therefore 4 channels and exporting are exported image caption and accompaniment music and song by TV (not having diagram).
And, above-mentioned tv wireless transmitter 100 will be modulated into high-frequency signal by the image of video signal selector switch 60 inputs and the accompaniment music and the voice signal of caption signal and 70 inputs of audio communication selector switch, realize broadcasting in the air by transmitting antenna 110, so image and captions are exported with accompaniment music and song by the specific channel on the TV (do not have diagram) (remove 3,4 channels beyond).
Above-mentioned variable FM acoustic transmitter 120 will be modulated into the FM high-frequency signal by the accompaniment music and the voice signal of audio communication selector switch 70 inputs, receive transmitter antenna 130 by sound and realize airborne spread.Therefore, by the characteristic frequency frequency band of FM radio receiver (not having diagram) accompaniment music and song are exported.
Above-mentioned Earphone Amplifier 80 will amplify output by the accompaniment music and the voice signal of audio communication selector switch 70 inputs.Therefore by earphone (not having diagram) accompaniment music song is exported.
When above-mentioned circuit voice output signal cable and circuit output image signal cable are connecting external mechanical (not having diagram), accompaniment music and song are exported with image and captions by above-mentioned external mechanical.At this moment, utilize the image of video camera oneself will be displayed on the screen, and during with video-recorder recording that the said external machine is connected, the image and the sound of oneself singing are recorded down together, the user can reset repeatedly and watch attitude, the accuracy in pitch of oneself singing, sting word, emotion etc., after the comprehensive self-criticism, make to sing to have more effect.
And, in order on the above-mentioned PLC/FPGA controller 50 that is positioned on the above-mentioned mainboard 159, arbitrarily to increase new song, not pressing audio data in above-mentioned PLC/FPGA controller 50 stored 185 o'clock, the user plugs the clamp insertion groove 190 in the vacancy at body electric battery position earlier, will be arranged with a plurality of clamps 180 that store the audio data storer 185 of the accompaniment music signal that needs and lyrics data.Can replace above-mentioned clamp 18 later on, allow the user can append and replace the accompaniment music and the lyrics of other required audio data storer 185 simply.At this moment, on this audio data storer 185, can store several thousand first songs basically, the work of having only above-mentioned mainboard 195 can not be exported by the accompaniment music signal.
As mentioned above, because of accompanying song music signal and lyrics data are not housed on product, royalties are not included in the price of product, thereby the price of product reduces.
Some out splice going splices of above-mentioned clamp insertion groove 190, be connected in message digital signal processor 5B in the PLC/FPGA controller 50 via the interface portion of mainboard 195, the user is inserted in above-mentioned clamp 180 on the above-mentioned card companion insertion groove 200, during song that action button input unit 10 and select will be sung, be stored in the accompaniment music signal on the audio data storeies 185 and lyrics data in the above-mentioned clamp 180 and export with the accompaniment music signal because the control audio communication digital signal processor 5B of system controller 20 reads by clamp insertion groove 200.
And the audio data storer 185 in above-mentioned clamp 180 can be by various music signals such as singer, age, theme and countries.So the user inserts clamp insertion groove 190 and gets final product as long as buy the clamp 180 that stores the song that oneself needs.
On the other hand, both can buy the method for other card and append the song that oneself needs, owing in above-mentioned clamp 180, have several instruction counter sockets, the instruction counter that stores the song that needs can be inserted on the instruction counter socket simultaneously, also can append the song of wanting.At this moment, the general normal index of reference memory body that makes of above-mentioned audio data storer.
The present invention can apply to " portable type has/wireless song accompaniment device (comprising the microphone formula) " or " deferred type song accompaniment device (audio communication amplifying type) " waits on all accompanying song machines, when being used for " portable type has/wireless song accompaniment device (comprising the microphone formula) ", as long as the vacancy of plug-in pond part by on the clamp insertion groove make card and mainboard become the interface, when being used for " deferred type song accompaniment device (audio communication amplifying type) ", only the faceplate part that is positioned at mainboard can be opened and closed, set up the clamp insertion groove in this vacancy and make card and mainboard become the interface just can.
And, the work of above-mentioned variable FM acoustic transmitter 200 is described, what exported from said frequencies oscillator 210 is for realizing the position specific reference frequency of the promptly stable frequency control vibration of control mutually.
When reference frequency is vibrated on said frequencies oscillator 210, export behind the specific frequency division value frequency division of output frequency by user's selection of the 1st frequency divider 221 with this frequency oscillator.
Relatively follower 233 is a reference value with the signal of above-mentioned the 1st frequency divider 221 outputs, this and the signal that feeds back via the 2nd frequency divider 222 are compared, by signal value of this output control signal and feedback than reference value a little bit smaller childhood, export control signal by the difference of signal to the increase of "+" end for making this voltage, when the signal value of feedback is bigger than reference value, export control signal by the difference of signal to "-" end for making voltage.
As mentioned above, when fiducial value being exported by follower relatively 223, voltage follower 224 is exported by the control signal that this compares follower 223 for making voltage, voltage controller 230 receives the output signal of this voltage follower 224 simultaneously, for influence on every side being controlled to minimum and transmitting to voltage-controlled oscillator 240.
Above-mentioned voltage-controlled oscillator 240 is a kind of oscillation frequency loops, to export with the corresponding oscillation frequency of the output signal of above-mentioned voltage controller 230, to sending follower 260 and 250 transmission of wireless frequency amplifier.
Wireless frequency amplifier 250 amplifies the oscillation frequency of above-mentioned voltage-controlled oscillator 240 and exports, the 2nd frequency divider 222 with the output signal of this wireless frequency amplifier 250 with the specific period frequency division after, to above-mentioned relatively follower 223 transmission.
In other words, 220 the 1st frequency dividers 221 of PLL device, the 2nd frequency divider 222, relatively follower 223 and voltage follower 224 will be after the reference frequency of frequency oscillator 210 inputs be compared with the oscillation frequency of voltage-controlled oscillator 240, are not subjected to owing to electronic unit constitutes the resistance on the printed circuit board in loop and holds a device (R, C in order to form; Do not have diagram) influence stabilized frequency and control.
As mentioned above, when stable frequency is exported via voltage-controlled oscillator 230, send follower 260 voice signal of audio communication selector switch 70 among Fig. 1 is modulated into the FM frequency that voltage-controlled oscillator 230 thus sends, pass on antenna 130 transmission and receive by sound.
Receive by tut and to pass on the wireless signal (aerial ripple) of antenna 130 transmission, export via the external voice device that is positioned at specific range.At this moment and since above-mentioned audio communication device general be tuned to the FM frequency of 98.3MHz frequency band, by the region situation may with radio frequency swinging cross mutually.
As mentioned above, when the song accompaniment of portable type image is used by other audio communication devices,, can utilize body button input unit 10 to increase and decrease frequency channel if during with other any broadcasting frequency generation swinging cross.
If describe in detail is such, obtains increase and decrease and may be shifted into 16 channels at most by body knob input unit 10 with the reference transmission frequency of 98.3MHz.As mentioned above, when changing channel, system controller 20 outputs and the corresponding channel selecting signal of selecteed channel.
By the 1st frequency divider 221 transmission to PLL device 220, this first frequency divider 221 is the reference frequency frequency division of said frequencies oscillator 210 simultaneously by the channel selecting signal of said system controller 20 output, make it to become with conversion after the frequency that adapts of channel.
As mentioned above, behind the channel conversion and when having selected the easiest realization to receive the frequency of passing on, can make the accompanying song machine in use not with other broadcasting frequency swinging cross.
As mentioned above, variable FM sound receives transmitter 200 wireless microphone 140 is set again, because of the wireless microphone 140 general frequencies of using the 219.3MHz frequency band, in when, owing to other any broadcasting frequencys or surrounding environment swinging cross or noise taking place, can utilize attached to the dip switch on the exterior panel, transform to maximum 16 channels with reference to 219.3MHz, therefore can clearly send.
On the other hand, pass on antenna 130 and be received because the signal of above-mentioned wireless microphone 140 outputs receives by sound, and to 300 transmission of the variable FM receiving demodulation of sound device, the PLL device 320 in the variable FM receiving demodulation of this sound device 300 is stablized frequency with the PLL device 220 that above-mentioned variable FM sound receives in the transmitter 200 by same work.Promptly when frequency oscillator 310 reference frequencies are exported, the 1st frequency divider 321 is by exporting after with this reference frequency frequency division with the corresponding frequency division value of selection that uses.
Relatively follower 323 thus the signal that sends of the 1st frequency divider 321 export comparison signal with comparing by the signal of the 2nd frequency divider 322 feedbacks, voltage follower 324 will be exported with the comparison signal correspondent voltage of being sent by follower 323 relatively.
As mentioned above, specific voltage is when voltage follower 324 outputs, and voltage controller 330 controls to minimum with influence on every side and transmits to local oscillator 320.
At this moment, above-mentioned local oscillator 340 will produce corresponding high-frequency signal and export with the input ground voltage, after this high-frequency signal amplifies by the 1st wireless frequency amplifier 35, via behind the 2nd frequency divider 322 frequency divisions to above-mentioned relatively follower 323 transmission.Be output with this stable local oscillating frequency.
As mentioned above, under for the state that produces stable local oscillating frequency, the voice signal that sends from wireless microphone 140 receives by sound and passes on antenna 130 when receiving, the 2nd wireless frequency amplifier 360 makes it to amplify in order to improve sensitivity, and mixer 370 mixes the output signal of this 2nd wireless frequency amplifier 360 mutually with the output signal of above-mentioned local oscillator 340 and exports the medium wave signal.
By the medium wave signal of above-mentioned mixer 370 outputs, amplify via middle twt amplifier 380, by wave detector 390 be demodulated to original signal and via ON/OFF switch (SW) to voice detector 30 transmission.
Voice signal to above-mentioned voice detector 30 transmission is output by TV, outside audio communication device or earphone via particular path.
At this moment, as mentioned above, when on wireless microphone 140, utilizing dip switch change-over frequency channel, because the reception work of the variable FM receiving demodulation of the sound device 300 of accompaniment device body should be different, therefore, use and utilize knob follower 10 conversion frequencies in the same method of the channel of wireless microphone 140 up conversions.
As mentioned above, the invention provides apparatus for radio transmitting and receiving of portable karaoke, this accompaniment device is reservation easily not only, do not produce noise, longer its service time because of using high capacity cell, and can not be out of order because of impact, and append song easily, and provide various background video.
And, portable type accompanying song machine body possesses the other plate insertion groove of the audio data storer that stores accompanying song music signal and lyrics data, as long as buy the card that the song that needs is housed, insert in and make on the portable type accompanying song machine body and can sing in order to exercise, so because royalties are not included in the product price, product price just reduces, just can use because of the user only need buy the card that the required song and the lyrics are housed, thereby needn't pay royalties for unwanted song and the lyrics and make expense obtain saving.As mentioned above, buy the card that song accompaniment device product and music signal are arranged, reduced expense because of need.And during this products export, foreign user also only buys and stores the clamp of national music separately, improves the interests of both parties when reducing expense.
Because when between body and audio communication device, carrying out wireless transmission and wireless microphone and body when carrying out the wireless transmission reception, utilize the PLL mode, therefore can make frequency stabilization, in when, because of other broadcast singals or noise on every side swinging cross taking place, can be transformed into other channels, therefore reach the effect that prevents swinging cross.
Claims (10)
1, a kind of VCD's of utilization has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, and from semiconductor memory and CD playback image, captions and accompaniment music, difference stored video data, captions data and accompaniment music data in the described semiconductor memory; Store described image data, described captions data and described accompaniment music data among the described CD respectively, it is characterized in that, comprising:
The VCD controller is decoded to image data, captions data and the accompaniment music data of above-mentioned CD, with its output of resetting;
The PLC/FPGA controller is decoded to image data, captions data and the accompaniment music data of above-mentioned semiconductor memory, with its output of resetting;
The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal from above-mentioned VCD controller or the output of PLC/FPGA controller;
The video signal selector switch carries out mixing and output to signal of video signal and caption signal from above-mentioned VCD controller or the output of PLC/FPGA controller;
System controller is controlled selectively to the action of a side in above-mentioned VCD controller and the above-mentioned PLC/FPGA controller, and controls above-mentioned audio communication selector switch and above-mentioned video signal selector switch;
The button input unit is to above-mentioned system controller input user's order;
Wireless microphone, the part in the above-mentioned user's of above-mentioned system controller wireless transmission order and above-mentioned user's sound;
Control signal detects detuner, detects user's command signal and carries out outputing to the said system controller after the demodulation from above-mentioned wireless microphone;
The variable FM receiving demodulation of sound device when above-mentioned user's voice signal is imported by wireless microphone, becomes this sound signal processing the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side;
Voice detector is located between tut variable FM receiving demodulation device and above-mentioned VCD controller or the PLC/FPGA controller, will be supplied with above-mentioned VCD controller or PLC/FPGA controller by the voice signal of the variable FM receiving demodulation of tut device demodulation;
The tv wireless transmitter will be modulated into high-frequency signal at above-mentioned audio communication selector switch and above-mentioned video signal selector switch through the signal of mixing respectively, and sends to the outside;
Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable;
The television transmission antenna will carry out airborne spread by modulated high-frequency signal in above-mentioned tv wireless transmitter;
The sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command that sends from above-mentioned wireless microphone;
Display shows the operating state of said system controller and above-mentioned VCD controller or PLC/FPGA controller to the user;
The TV radio frequency modulator will be modulated into the TV high-frequency signal at the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch, send by wired form.
2, the VCD's of utilization as claimed in claim 1 has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, it is characterized in that described VCD controller comprises:
The MPEG executor according to the control signal by the input of said system controller, is exported accompaniment music, sound, image, the caption signal of above-mentioned CD and tut detecting device;
The CDP controller drives CD according to the control signal by above-mentioned MPEG executor input;
High frequency amplifies self-actuated controller, will be amplified by the signal that above-mentioned CDP controller is imported from the box storehouse and export;
Driver according to the drive signal of being amplified the self-actuated controller input by above-mentioned high frequency, drives the motor in box storehouse;
Data according to the drive signal of being amplified the self-actuated controller input by above-mentioned high frequency, is chosen from above-mentioned CD in the dvd playback storehouse;
The digital signal processor will become digital signal output afterwards by the signal transformation of above-mentioned high frequency amplification self-actuated controller input;
Mpeg decoder, according to signal by above-mentioned digital signal processor input, decoding accompaniment music, image, caption signal;
Storer is by the above-mentioned code data of separating of the temporary transient storage of above-mentioned mpeg decoder;
Video signal D/A scrambler will be transformed into anaiog signal output afterwards by the image and the caption signal of above-mentioned mpeg decoder input;
The Karaoke executor is to carrying out mixing and output by the accompaniment music signal of above-mentioned mpeg decoder input and by the voice signal that above-mentioned microphone is imported;
Number/analogy converter will be become anaiog signal output afterwards by the signal transformation of Karaoke executor input; With
The audio communication wave filter carries out filtering and output to the signal by above-mentioned number/analogy converter input.
3, the VCD's of utilization as claimed in claim 1 has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, it is characterized in that described PLC/FPGA controller comprises:
The PLC/FPGA executor according to the control signal by the input of said system controller, is derived image and captions data from above-mentioned semiconductor memory, and it is transmitted;
The video signal processor is from above-mentioned PLC/FPGA executor together image output, captions data and control signal;
Video decoded device is to being decoded by image, the captions data of above-mentioned video signal processor input and exporting;
The video signal storer is connected with above-mentioned video decoded device;
Synchronizing signal separator is isolated synchronizing signal from the video signal of being imported by above-mentioned video decoded device, and with its output;
Video information coder is to being encoded by the video signal of above-mentioned video decoded device input and exporting;
Intermediary interface is according to the control signal managing sound source signal by above-mentioned PLC/FPGA executor input;
PCM data device, storage is used for the data of pulse code modulated;
Audio communication number/analog signal processor, the accompaniment music signal of the above-mentioned semiconductor memory that will derive according to the control signal by intermediary interface input carries out pulse code modulated and output according to the signal of above-mentioned PCM data device;
Number/anaiog signal converter will be become anaiog signal output afterwards by the signal transformation of above-mentioned audio communication number/analog signal processor input; With
Buffer filter carries out filtering and output to the signal by above-mentioned number/analogy converter input.
4, apparatus for radio transmitting and receiving of portable karaoke as claimed in claim 1 is characterized in that, also comprises:
Clamp, be connected on the PLC/FPGA executor of above-mentioned PLC/FPGA controller, be provided with at least one storer on this clamp, store a first accompaniment song and a lyrics auxiliary information in this storer at least, according to user's selection, will the accompany song and the lyrics output to connector;
The clamp insertion groove is located between above-mentioned PLC/FPGA executor and the described clamp, accommodates the connector of above-mentioned clamp, and is electrically connected with this connector.
5, apparatus for radio transmitting and receiving of portable karaoke as claimed in claim 1 is characterized in that, described variable FM acoustic transmitter comprises:
Send the frequency oscillator of reference frequency;
The PLL device to carry out frequency division with the corresponding some cycles of user's channel selection, is compared with it the oscillation frequency of said frequencies oscillator, thereupon output voltage with the frequency of feedback;
Voltage controller, output after the output voltage of above-mentioned PLL device is subjected to influence on every side with being controlled to Min.;
Voltage-controlled oscillator, the output signal correspondent frequency signal of output and above-mentioned voltage controller;
The wireless frequency amplifier amplifies the output signal of above-mentioned voltage-controlled oscillator, feeds back to above-mentioned PLL device;
Send efferent, signal of video signal, accompanying song music signal and voice signal are modulated into the oscillation frequency of above-mentioned voltage-controlled oscillator, send via the sound transmission/reception antennas.
6, apparatus for radio transmitting and receiving of portable karaoke as claimed in claim 1 is characterized in that, the variable FM receiving demodulation of described sound device comprises:
Send the frequency oscillator of reference frequency;
The PLL device, with the oscillation frequency of said frequencies oscillator with the corresponding some cycles frequency division of user's channel selection, output voltage thereupon;
Voltage controller, output after the output voltage of above-mentioned PLL device is subjected to influence on every side with being controlled to Min.;
Local oscillator, output and the corresponding specific high-frequency signal of the output signal of above-mentioned voltage controller;
The first wireless frequency amplifier, the output signal of amplifying above-mentioned local oscillator is applied to above-mentioned PLL device;
The second wireless frequency amplifier when voice signal that sends from wireless microphone is received by the sound transmission/reception antennas, amplifies back output with this voice signal, to improve the inspiration degree;
Mixer mixes and detection output sound medium wave signal with the output signal of above-mentioned second wireless frequency amplifier and above-mentioned local oscillator;
Middle twt amplifier amplifies back output with the output signal of above-mentioned mixer; With
Wave detector carries out demodulation and output to the output signal of twt amplifier in above-mentioned.
7, apparatus for radio transmitting and receiving of portable karaoke as claimed in claim 5 is characterized in that, described PLL device comprises:
First frequency divider, with the output frequency of said frequencies oscillator with the some cycles frequency division;
Second frequency divider is also exported the output signal of above-mentioned wireless frequency amplifier with the some cycles frequency division;
Relatively follower is compared the output frequency of above-mentioned first frequency divider and above-mentioned second frequency divider, and is exported corresponding signal; With
Voltage follower, output and the above-mentioned relatively output signal correspondent voltage of follower.
8, apparatus for radio transmitting and receiving of portable karaoke as claimed in claim 6 is characterized in that, described PLL device comprises:
First frequency divider, with the output frequency of said frequencies oscillator with the some cycles frequency division;
Second frequency divider is also exported the output signal of the above-mentioned first wireless frequency amplifier with the some cycles frequency division;
Relatively follower is compared the output frequency of above-mentioned first frequency divider and above-mentioned second frequency divider, and is exported corresponding signal; With
Voltage follower, output and the above-mentioned relatively output signal correspondent voltage of follower.
9, a kind of VCD's of utilization has/wireless dual-purpose apparatus for radio transmitting and receiving of portable karaoke, and from the CD of difference storing image data, captions data and accompaniment music data, playback image, captions and accompaniment music is characterized in that, comprising:
The VCD controller is decoded to the image data of above-mentioned CD and captions data and accompaniment music data, and with its output of resetting;
The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal from above-mentioned VCD controller output;
The video signal selector switch carries out mixing and output to signal of video signal and caption signal from above-mentioned VCD controller output;
System controller is controlled above-mentioned VCD controller, above-mentioned audio communication selector switch and above-mentioned video signal selector switch;
The button input unit is to above-mentioned system controller input user order;
Wireless microphone, a part and above-mentioned user's sound in the above-mentioned user's of above-mentioned system controller wireless transmission order;
Control signal detects detuner, detects user's command signal and carries out after the demodulation from above-mentioned wireless microphone, to above-mentioned system controller output;
The variable FM receiving demodulation of sound device under above-mentioned user's the situation of voice signal via the wireless microphone input, becomes the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side with the variable modulation treatment of this voice signal;
Voice detector is located between tut variable FM receiving demodulation device and the above-mentioned VCD controller, will supply with the VCD controller by the voice signal of the variable FM receiving demodulation of tut device demodulation;
The tv wireless transmitter will be modulated into high-frequency signal by the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch respectively, and sends to the outside;
Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable;
The television transmission antenna will carry out airborne spread at the high-frequency signal of above-mentioned tv wireless transmitter modulates; With
The sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command that sends from above-mentioned wireless microphone.
10, a kind ofly utilize having/wireless apparatus for radio transmitting and receiving of portable karaoke of semiconductor memory, from the semiconductor memory of storing image data, captions data and accompaniment music data respectively, playback image, captions and accompaniment music is characterized in that, comprising:
The PLC/FPGA controller is decoded to image data, captions data and the accompaniment music data of above-mentioned semiconductor memory, and with its output of resetting;
The audio communication selector switch carries out mixing and output to accompaniment music signal and voice signal by above-mentioned PLC/FPGA controller output;
The video signal selector switch carries out mixing and output to signal of video signal and caption signal by above-mentioned PLC/FPGA controller output;
System controller is controlled above-mentioned PLC/FPGA controller, above-mentioned video signal selector switch and above-mentioned audio communication selector switch;
The button input unit is to above-mentioned system controller input user order;
Wireless microphone, a part and user's sound in the above-mentioned user's of above-mentioned system controller wireless transmission order;
Control signal detects detuner, detects user's command signal and carries out after the demodulation from above-mentioned wireless microphone, to above-mentioned system controller output;
The variable FM receiving demodulation of sound device under the situation of above-mentioned user's voice signal via the wireless microphone input, becomes the received signal that separates the transmission frequency of certain frequency from impairment electric wave on every side with the variable modulation treatment of this voice signal;
Voice detector is located between tut variable FM receiving demodulation device and the PLC/FPGA controller, will supply with the PLC/FPGA controller by the voice signal of the variable FM receiving demodulation of tut device demodulation;
The tv wireless transmitter will be modulated into high-frequency signal by the signal of above-mentioned audio communication selector switch and the mixing of above-mentioned video signal selector switch respectively, and sends to the outside;
Variable FM acoustic transmitter is connected with the output terminal of above-mentioned audio communication selector switch, is modulated into output after harming the FM signal of transmission frequency that electric wave separates certain frequency on every side with voice signal is variable;
The television transmission antenna will carry out airborne spread by modulated high-frequency signal in above-mentioned tv wireless transmitter; With
The sound transmission/reception antennas, the FM high-frequency signal of the above-mentioned variable FM acoustic transmitter of airborne spread, or receive the control command of exporting by above-mentioned wireless microphone.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970045015U KR200196900Y1 (en) | 1997-12-31 | 1997-12-31 | Apparatus for radio transmitting and receiving of portable karaoke |
| KR19970045016 | 1997-12-31 | ||
| KR45016/1997 | 1997-12-31 | ||
| KR45015/1997 | 1997-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1240296A CN1240296A (en) | 2000-01-05 |
| CN1214384C true CN1214384C (en) | 2005-08-10 |
Family
ID=34914581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98126750 Expired - Fee Related CN1214384C (en) | 1997-12-31 | 1998-12-31 | Apparatus for radio transmitting and receiving of portable karaoke |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1214384C (en) |
| HK (1) | HK1023839A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349137C (en) * | 2002-11-18 | 2007-11-14 | 英保达股份有限公司 | Video and audio playing method |
| CN100350800C (en) * | 2005-06-03 | 2007-11-21 | 安凯（广州）软件技术有限公司 | MTV playing method for wireless network and wireless handheld apparatus and wireless network |
| KR100698116B1 (en) * | 2005-11-30 | 2007-03-26 | 엘지전자 주식회사 | Display device capable output intensity check and method for setting radio frequency favourite channel |
| CN107277300A (en) * | 2017-06-08 | 2017-10-20 | 山东中安科技股份有限公司 | Multifunctional intellectual audio-visual education programme all-in-one |
-
1998
- 1998-12-31 CN CN 98126750 patent/CN1214384C/en not_active Expired - Fee Related
-
2000
- 2000-05-19 HK HK00102991A patent/HK1023839A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1240296A (en) | 2000-01-05 |
| HK1023839A1 (en) | 2000-09-22 |
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