CN2929907Y - Instant listening, singing and recording kara ok device - Google Patents
Instant listening, singing and recording kara ok device Download PDFInfo
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- CN2929907Y CN2929907Y CN 200620055602 CN200620055602U CN2929907Y CN 2929907 Y CN2929907 Y CN 2929907Y CN 200620055602 CN200620055602 CN 200620055602 CN 200620055602 U CN200620055602 U CN 200620055602U CN 2929907 Y CN2929907 Y CN 2929907Y
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Abstract
A karaoke device which can immediately listen, sing and record, comprising an audio signal input device(100), a power amplifier(200), an immediate two-way audio encoder and decoder(20), a simulate/digital signal converter(10), a mini-controller(30), a memory device(40)and a moving memory device(50). The input port of the device comprising an audio input port or digital input port, the output port comprising an audio output jack, a digital output port or a radio frequency output device, or voluntary combined of the above three. The karaoke device which can immediate listen, sing and record is a carry-on pocket karaoke device, not only providing immediate function of the listen, sing and record, simultaneously support handling and utilizing of the computer and multimedia. The various technical indexes of the utility model are high, and can download or upload the song.
Description
Technical field the utility model relates to information storage device and method, particularly the instantaneous recording equipment of Caraok device.
Background technology karaoke accompaniment machine is subjected to extensively liking of friend teenager, becomes the powerful support of their creative thinking ability.Now, Karaoke more is subjected to shoppy favor, and it provides a social platform for business activity and contact.And Karaoke also becomes the mode of many home entertaining leisure.Karaoke is a kind of main frame that utilizes wired or wireless transmission to be connected with display.Main frame provides image and music data to display, can show the embedded lyrics and the title of the song of music on the display, and the user can sing under background music or the lyrics of sing-along.If Karaoke has more utility functions, anyone can sing as the star.Karaoke has recently become one of most popular entertainment way of given age colony, occupy firm status in industrial community.Karaoke equipment manufacturer dog-eat-dog wishes that all the Caraok device of oneself is shown one's talent from numerous manufacturers.For this purpose, each manufacturing commercial city spares no effort to add greater functionality in its Caraok device.
The karaoke machine kind of Chu Shouing is more in the market, and function differs.Conclude and get up to have economic formula, desk-top and combined type.Introduce their major function below and choose method: (1) economic formula karaoke machine.This kind machine belongs to common shape accompanying video, can satisfy general family and use.Characteristics are that price is lower, need external public address equipment during use or are circumscribed with the sound-track engraving apparatus use of output power greatly.
(2) desk-top karaoke machine.This machine belongs to medium-to-high grade class, and characteristics are multiple functional.Can adjust the sound degree of depth of microphone and vocal accompaniment source of sound respectively, the tonequality perfection, output power is big.
(3) combined type OK a karaoke club OK machine.Be a kind of multi-functional, class is higher, be specifically designed to the karaoke machine accompanying video that family's combination audio is used.Characteristics are enclosure designs standards, connect with combination audio to form behind the machine wholely, and every technical indicator is higher, and the product that has also is provided with AV (sound/look) converter.
Mention Karaoke, what everybody associated at first must be the karaoke chamber that can sing, and the tone color of singing fashion comes from the stereo set of high-quality, and Caraok device equipment is karaoke accompaniment machine, microphone, audio amplifier etc. nothing more than.For a cover Caraok device, not only each equipment in the device is very important, the prior adjusting operation that is in the device use.As everyone knows, the karaoke accompaniment machine is made up of front end circuit, reverberation unit, power amplifier three parts, integrates time-delay echo, singing effect and power amplification, and it plays a leading role in Caraok device.The planar circuit of this karaoke accompaniment machine as shown in Figure 1.Wherein reverberation unit adopts Charge Coupled Device (CCD) and bucket chain formula chronotron, and making sound have more is free tone sense and penetration power.Audio amplifier then is the most important terminal device of Karaoke, and the structural design of audio amplifier and the quality of loudspeaker are directly determining the quality of speaker quality, and knockdown audio amplifier will notice that each high and low loudspeaker phase place must be consistent, otherwise can influence playback effect.Certainly the power of audio amplifier also will be according to the big or small scientific allocation of environment.In Caraok device, microphone can be everybody the most familiar equipment, in order to reach good result of use, requires microphone to have special sensing and closely says effect, is used for improving its performance and anti-environmental interference.In Caraok device, the equipment of high-quality is no doubt important, but bad if tone color is handled, not only sound is dull, and can cause musical instrument and sing serious distortion.Remove in addition, the ratio between the adjusting of reverberation time, microphone and accompaniment volume, the tone of accompaniment music etc., all most important for whole device.General karaoke accompaniment machine lacks three functions, so can't lightly be convenient to use.
(1) do not have the numerical digit microphone device, can't record immediately.
(2) do not have numerical digit song data, can't play at any time.
(3) do not have the numerical digit memory body, can't store immediately.
Even invented a kind of Caraok device that can record at present, for example: the technical scheme disclosed in the CN02137374 " but method of work of portable recording type Caraok device ", this scheme has adopted digital encoding and decoding technique, Karaoke recording and storage are become may, but, because what this technology adopted is auto-adaptive increment pulse code modulation (PCM) (ADPCM) technology, its coding/decoding capability is limited, cause the loss of data easily, and its to adopt frequency also can only be 8KHz, impact effect, particularly adopt in such technology encoding-decoding process and long delay phenomenon can occur, can not make this Caraok device accomplish instant record, listen, sing, use very inconvenient.
Summary of the invention the utility model adopts the codec of the harmless high compression rate JPEG2000 encoding and decoding technique of interplantation to have instant two-way volume and separates function, solves the technical matters that the storage capacity that is subjected to the coding/decoding capability restriction in the prior art and produces is not enough and can not record immediately, listen, sing.By increasing the technology that different tonal ranges are sampled, accurately ideally compress and reproduce the virgin state of audio frequency, widen the bandwidth of audio frequency, solve the technical matters of lower tone in the prior art.Further adopting increases mobile memory and storer and adopts technology with computer fexible unit file layout, further solves to carry inconvenience in the prior art and can't directly carry out the technical matters of exchanges data with computer.
The scheme that the utility model solves the problems of the technologies described above is as follows: a kind of instant tin, sing, record Caraok device, comprise the sound signal input media, power amplifier and the audio and video display device that connect successively; Signalization treating apparatus between sound signal input media and power amplifier, this signal processing apparatus comprises the instant two way audio codec of interplantation JPEG2000 algorithm and connected analog/digital signal conversion device, microcontroller and storer is arranged that described microcontroller is connected by signal wire with storer.Also be provided with mobile memory in the described signal processing apparatus, the input of this mobile memory output port connect two-way codec, microcontroller and microcontroller respectively.
Immediately listen, sing, record intimate Ben Kala OK Caraok device and be a kind of high-quality, pocket Caraok device with oneself cheaply.The target of intimate Ben Kala OK provides a kind of Caraok device that can create high added value.Also can be used by the teenager easily simultaneously.In addition, intimate Ben Kala OK also has a purpose, and that is exactly the language education subsidiary function of expansion Caraok device.
This listens, sings, records Caraok device immediately is a kind of carry-on pocket karaoke machine, and the function of immediately listening, singing, record not only is provided, and supports computer and multimedia operation and utilization simultaneously.Every technical indicator is higher, can download or upload song.
This new utility model provides four kinds of brand-new functions and characteristic:
(1) digitisation design: the numerical digit information not only is easy to preserve and propagates, and also has repeatedly and duplicates and distortionless characteristic.For needing massive duplication, a large amount of information that transmits, digitisation is not only economy but also mode easily.Another benefit is manufacturing production easy and simple to handle and easy.
(2) this instant audio codec: instant two way audio codec can compression and decompression sound signal immediately.It not only can handle music data can also processes voice signals.And instant two way audio codec provides the various compression bit rates from harmless to high compression ratio.In addition, it can carry out the sampling of different frequency at voice signal, and long-time delay can not take place in the process of encoding and decoding.
(3) memory body: storer 40 and mobile memory 50 in the memory body are used to store music and speech data.Device can be adjusted the capacity of flash memory easily according to customer requirements.This internal storage 40 has the function of duplicating External memory equipment.
(4) computer converter: USB can import data into and spread out of PC, and Ethernet provides possibility for access internet simultaneously, even support that not inserting computing machine also can share data and amusement.Live wire (Firewire) connection helps the realization high efficiency of transmission.
Description of drawings
Fig. 1 is the principle of work synoptic diagram of existing Caraok device.
Fig. 2 is the principle schematic that Caraok device is listened, sings, recorded to the utility model immediately.
Principle schematic when Fig. 3 is the utility model application digital audio input equipment.
Principle schematic when Fig. 4 is the utility model application simulation audio input device.
Fig. 5 is the principle schematic of the utility model audio frequency output.
Fig. 6 is the principle schematic that the utility model is connected with computer network.
Fig. 7 is the principle schematic of the utility model by the microphone recording state.
Fig. 8 is the principle schematic of the utility model by the input of microphone plus music player.
Fig. 9 is the utility model is added the mobile memory input by microphone a principle schematic.
Figure 10 is the utility model is added the storer input by microphone a principle schematic.
Embodiment is in conjunction with above description of drawings concrete example scheme of the present utility model.
By among Fig. 1 and Fig. 2 as can be seen, a kind of instant tin, sing, record the device of Karaoke, comprise the sound signal input media 100, power amplifier 200 and the audio and video display device that connect successively; Signalization treating apparatus between sound signal input media 100 and power amplifier 200, this signal processing apparatus comprises instant two way audio codec 20 and connected analog/digital signal conversion device 10, microcontroller 30 and storer 40 arranged, and described microcontroller 30 and storer 40 are connected by signal wire; Be implanted with the compressed software of JPEG2000 algorithm in the described instant two way audio codec 20.
Instant two way audio codec 20 is critical components of the present utility model, instant two way audio codec 20 in the utility model adopts the JPEG2000 compress technique, can compression and decompression sound signal immediately, it not only can handle all right processes voice signals of music data, and, instant two way audio codec provides the various compression bit rates from harmless to high compression ratio, can effectively utilize storage space, and because the JPEG2000 compress technique is embedded in the instant two way audio codec 20, and make the module of hardwareization, accelerate the speed and the ability of encoding and decoding more, also just realized the purpose of instant two-way encoding and decoding.
By finding out among Fig. 2, also be provided with mobile memory 50 in the described signal processing apparatus, the input of this mobile memory 50 output port connect instant two-way codec 20 and microcontroller 30 respectively.The input port of described signal processing apparatus comprises audio input jack or data-in port, perhaps the two combination.The output port of described signal processing apparatus comprises audio output jack, data-out port or radio frequency output unit, or above-mentioned three's combination in any.The utility model can also be set up mobile memory 50, sends command request through instant two way audio codec 20 compressed digital signal by microcontroller 30 and deposits mobile memory 50 in; By the requirement of microcontroller 30 instruction of sending, the background audio digital signals that are pre-stored in the mobile memory 50 are accessed simultaneously, through exporting after decompress(ion) and the conversion of signals with behind user's the audio signal mixing.Storer 40, mobile memory 50 adopt the file device of FAT16 form, directly realize exchanges data with network.Storer 40 and mobile memory 50 are used for Ben Kala OK device storage music and speech data.Device can be adjusted the capacity of flash memory easily according to customer requirements.This internal storage 40 has the function of duplicating External memory equipment.Mobile memory 50 is used to deposit certain content, can be private data and information or commercial content data that specific publisher provides.External memory equipment such as SD, MS, SM and ProMMC card etc. can be used as mobile memory.The total data of storer 40 and mobile memory 50 can be easily by computing machine or internet transmission (upload and download).
By among Fig. 3 to Fig. 6 as can be known, described sound signal input media 100 comprises microphone 101, analog audio player 102 or digital audio player 103, or above-mentioned three kinds combination in any.Background audio signals can adopt by 101 scenes of the microphone in the sound signal input media 100 pick up, analog audio player 102 is by wired or wireless input mode or by digital audio player 103 input; Signal output adopts the digital output port that is connected by instant two way audio codec 20 directly to export digital signal, the perhaps wireless output of radio frequency output unit that is connected by microcontroller 30.Ben Kala OK device can handle sound that various audio frequency input sources comprise the wireless stereo audio signal of FM, the wireless monophonic audio signal of AM, people can be directly by the high-performance microphone receive import, the music of CD quality can be imported by directly being connected with CD Player, the player or the source of other various audio frequency, all can directly connect and import by the incoming line audio sockets.The output of Ben Kala OK device can be the simulating signal that is directly connected to audio amplifier, and the output audio amplifier can processed voice and two kinds of simulating signals of music.In addition, this device provides another kind of digital output end, and the I/O interface of this digital output port provides a platform, is used for supporting the integration of various Xi System.I/O interface in the Ben Kala OK device can provide the too integration of net (Ethernet) and live wire devices such as (firewire IEEE1394) of USB, second.USB can be used to connect any PC or autonomous device, data can be imported into to spread out of PC.。This increased functionality Ben Kala OK information transmit the function of (conveniently download and upload).Ben Kala OK device can be easily by the second that had in the I/O interface too net (Ethernet) be connected to the internet.Such function allows the user can share content and information in oneself device, and by internet and other the common amusement of user of the whole world.The integration that has the live wire device in the I/O of Ben Kala OK interface, day by day general by what high-transmission broadband internet, it is widely accepted therefore observing live wire (multimedia information rule) agreement.Ethernet provides possibility for access internet, even support that not inserting computing machine also can share data and amusement, live wire (Firewire) connection helps the realization high efficiency of transmission.
Ben Kala OK device can be carried out four kinds of different instantaneous recordings:
(1) first kind is that Ben Kala OK can catch simultaneously and sings and background music, the performance and the accompaniment music at scene are recorded simultaneously together, and through built-in this device of what or the microphone 101 that is external in device with speech simulation signal data digitalization, handle by instant two way audio codec 20, be stored in storer 40 or mobile memory 50 then.In this operation, Ben Kala OK device is being operated just as a sound-track engraving apparatus, and different places is that audio document is digitized processing and stores flash memory or SD card (as shown in Figure 7) into.
(2) second kinds of instantaneous recordings are to sing by the built-in or external microphone 101 by Ben Kala OK to catch, and background music is this device of music player 102 or 103 (for example: CD or DVD player, computer, MP3.... or the like) connection introducing by the external world, right Hou will be sung the audio document synchronous digitalization with background music, handle by instant two way audio codec 20, be stored in storer 40 or mobile memory 50 (see figure 8)s then.
(3) the third instantaneous recording is the accompaniment music that utilizes portable mobile memory 50 storages to record, mobile memory 50 can directly insert Ben Kala OK device and become one, right Hou can be when playing the accompaniment music of mobile memory 50, receive simultaneously by performance built-in or that external microphone imports into, with prerecording on mobile memory 50 the background music digital signal decompression and be processed into simulating signal, this simulating signal is played simultaneously and the song simulating signal coupling of catching by the built-in or external microphone 101 of this device.The simulating signal of this coupling (comprised background music with sing) will be by general cataloged procedure, and is compressed simultaneously and is stored in the storer 40.This device can with accompaniment music by computer download or other music player line recording Hou be stored in this device mobile memory 50 in (see figure 9)s.
(4) the 4th kinds of instantaneous recordings be with prerecording on storer 40 the background music digital signal decompression and be processed into simulating signal, this simulating signal is played out simultaneously and the song simulating signal coupling of catching by built-in microphone or the external microphone of Ben Kala OK.The simulating signal of this coupling (comprised background music and sung) will be by general cataloged procedure, and be compressed simultaneously and be stored in the storer 40 again, the background music on the storer 40 also can be downloaded or other music player line recording Hou storage (see figure 10) by computer.
Four kinds of above recording are used and function all can be recorded the mixing of performance and accompaniment music in the memory body that is kept at Ben Kala OK device, and it is through to satisfied effect to record repeatedly.
This instant performance and recorded the function of getting off and also can be employed as being to teach the self-study language exercise with the instrument of reading, this device also can be applicable to the language learning guidance.Utilize this device, language learner or student can read with the teacher of prerecording in mobile memory 50, and recording simultaneously is not down.The playback of will record again of right Hou is listened to, and the student can compare own and teacher's intonation, pronunciation and accent.constantly repeat with read, recording, playback listen in the training of comparison, the student can imitate as teacher, thus the genuine spoken language of association.
The third similarly is a portable Caraok device with vocal accompaniment function in the 4th kind of instantaneous recording.And if the dissatisfied recording of the part of recording result can delete again and rerecord.Under the situation of the third and the 4th kind of instantaneous recording, instant two way audio codec can carry out bidirectional operation, coding (compression) synchronously, decode (decompression).Because long-time delay does not take place instant two way audio codec, therefore become desirable instant Karaoke record solution when audio signal.
Analog/digital signal conversion device 10 or instant two way audio codec 20 carry out the sampling of different frequency range at sound signal in 48~8KHz scope, analog/digital signal conversion device 10 is exported the signal of 8-bit or two kinds of resolutions of 16-bit according to demand respectively.Analog/digital signal conversion device 10 can become the speech simulation conversion of signals numerical digit signal format.Immediately listening, sing, record analog/digital signal conversion device 10 in the utility model of Caraok device at us is to carry out the conversion of speech simulation signal under frequency and resolution arbitrarily.Be that sampling rate, 16-bit are that resolution and three-dimensional multichannel are used what to make the general scheme of music CD quality widely with frequency 44.1KHz at present.On the other hand, can provide with higher frequency 48KHz is sampling rate, and the DVD that produces better music quality effect also more and more is much accounted of and needs.Yet human audible frequency is low what 8KHz.Therefore, it is very important being provided at the function of carrying out various different sampling rates between 48KHz and the 8KHz frequency.So at this analog/digital signal conversion device 10 of listening, sing, record immediately in the Caraok device utility model is to sample with regard to various different frequencies such as 48KHz, 44.1KHz, 22KHz, 16KHz, 11KHz and 8KHz.In addition, can provide different voice signal resolution to be necessary in the scheme that conveniently is used in various kinds.Immediately the analog/digital signal conversion device 10 of listening, sing, record Caraok device is that 8-bit and two kinds of different voice signal resolutions of 16-bit can be provided.And at the digital signal of direct input, instant two way audio codec 20 can carry out the sampling of different frequency at this signal, and long-time delay can not take place in the process of encoding and decoding.
Claims (5)
1. listen immediately, sing, record Caraok device for one kind, comprise the sound signal input media (100), power amplifier (200) and the audio and video display device that connect successively; It is characterized in that: signalization treating apparatus between sound signal input media (100) and power amplifier (200), this signal processing apparatus comprises instant two way audio codec (20) and connected analog/digital signal conversion device (10), microcontroller (30) and the storer (40) of interplantation JPEG2000 algorithm, and described microcontroller (30) is connected by signal wire with storer (40).
According to described instant tin of claim 1, sing, record Caraok device, it is characterized in that: also be provided with mobile memory (50) in the described signal processing apparatus, the input of this mobile memory (50) output port connect instant two-way codec (20) and microcontroller (30) respectively.
According to described instant tin of claim 1, sing, record Caraok device, it is characterized in that: the input port of described signal processing apparatus comprises audio input jack or data-in port, perhaps the two combination.
According to described instant tin of claim 1, sing, record OK a karaoke club 0K device, it is characterized in that: the output port of described signal processing apparatus comprises audio output jack, data-out port or radio frequency output unit, or above-mentioned three's combination in any.
According to described instant tin of claim 1, sing, record Caraok device, it is characterized in that: described sound signal input media (100) comprises microphone (101), analog audio player (102) or digital audio player (103), or above-mentioned three kinds combination in any.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN 200620055602 CN2929907Y (en) | 2006-02-24 | 2006-02-24 | Instant listening, singing and recording kara ok device |
US11/400,277 US20070150082A1 (en) | 2005-12-27 | 2006-04-10 | Method, mechanism, implementation, and system of real time listen-sing-record STAR karaoke entertainment (STAR "Sing Through And Record") |
Applications Claiming Priority (1)
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CN 200620055602 CN2929907Y (en) | 2006-02-24 | 2006-02-24 | Instant listening, singing and recording kara ok device |
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CN2929907Y true CN2929907Y (en) | 2007-08-01 |
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CN 200620055602 Expired - Fee Related CN2929907Y (en) | 2005-12-27 | 2006-02-24 | Instant listening, singing and recording kara ok device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101980198A (en) * | 2010-11-01 | 2011-02-23 | 福州星网视易信息***有限公司 | Method for carrying karaoke |
CN102446529A (en) * | 2010-09-13 | 2012-05-09 | 索尼公司 | Signal processing apparatus and signal processing method |
TWI463487B (en) * | 2012-05-18 | 2014-12-01 | Nyquest Corp Ltd | Device and method for the tuning of digital audio |
-
2006
- 2006-02-24 CN CN 200620055602 patent/CN2929907Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102446529A (en) * | 2010-09-13 | 2012-05-09 | 索尼公司 | Signal processing apparatus and signal processing method |
CN101980198A (en) * | 2010-11-01 | 2011-02-23 | 福州星网视易信息***有限公司 | Method for carrying karaoke |
CN101980198B (en) * | 2010-11-01 | 2012-06-06 | 福州星网视易信息***有限公司 | Method for carrying karaoke |
TWI463487B (en) * | 2012-05-18 | 2014-12-01 | Nyquest Corp Ltd | Device and method for the tuning of digital audio |
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