CN206865697U - High definition audio module and earphone improvement structure thereof - Google Patents
High definition audio module and earphone improvement structure thereof Download PDFInfo
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- CN206865697U CN206865697U CN201720592853.8U CN201720592853U CN206865697U CN 206865697 U CN206865697 U CN 206865697U CN 201720592853 U CN201720592853 U CN 201720592853U CN 206865697 U CN206865697 U CN 206865697U
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- 238000006243 chemical reaction Methods 0.000 claims description 9
- 206010021703 Indifference Diseases 0.000 claims description 4
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- 238000001914 filtration Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
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Abstract
The utility model discloses a high definition audio module and earphone thereof improve structure, high definition audio module has: the system comprises a sound source input end, a sampling rate converter, a digital signal processor, a microprocessor, a high pitch filter, a high pitch loudspeaker, a low pitch filter and a low pitch loudspeaker; the earphone is provided with: the earmuff body, this earmuff body has the base plate, be equipped with woofer on the base plate, well loudspeaker and tweeter, and cover with first casing, and the second casing covers on first casing, form a first sound insulation space between first casing and the base plate, form a second sound insulation space between first casing and the second casing, be equipped with high definition audio module on the first casing and electric connection to tweeter respectively, well loudspeaker and woofer, when the earmuff body dials the sound again, shield external noise with first isolation space and second isolation space, quality when promoting the earphone and dialling the sound.
Description
Technical field
The utility model is on a kind of high definition audio module and its earphone improved structure, and particularly relating to one kind will can press
The source of sound to contract is reduced to the high definition audio module of high definition source of sound output, and sets the earphone of this high definition audio module to improve knot
Structure.
Background technology
The storing media of sound source signal, with the progress in epoch, such as vinyl record, tape, CD, up-to-date in early days
Digital Media archives, such as MP3, MP4；But the sound source signal in Digital Media archives, all it has been the number after A/D is changed
Word media archives, although with the progress of algorithm and computer hardware, big multimodal Digital Media archives can support 128K/
44.1kHz resolution ratio, but the tonequality that can be actually presented with vinyl record and tape is compared down, is still that gap is very remote, one
As for, at least want 24/96kHz high-resolution, could be close to the tonequality of vinyl record and tape, right most multimedia
Playing device and the play quality that can not provide such high standard, only the high audio-visual devices of price of purchase, therefore, high-quality
The Digital Media archives and special equipment of amount, the user of many pursuit tonequality is also allowed to hang back.
There is disadvantages mentioned above in view of common technology, inventor is the road for aforesaid drawbacks Improvement, there is this reality finally
With new generation.
Utility model content
The utility model main purpose is, there is provided a kind of that compressed source of sound can be reduced to what high definition source of sound exported
High definition audio module.
The utility model secondary objective is, there is provided a kind of earphone improved structure for setting this high definition audio module.
The utility model a further object is, there is provided a kind of earphone for independently exporting high pitch, middle pitch and bass changes
Enter structure.
The utility model is it is further an object to provide a kind of earphone improved structure that can isolate external noise interference.
To reach above-mentioned purpose and effect, the utility model high definition audio module includes：One receives the sound of an audio signal
Source input；One sampling rate converter being electrically connected with foregoing sound source input end, it receives aforementioned audio signal, and again right
Audio signal carries out high sampling rate conversion, produces a high definition audio signal；One number being electrically connected with aforementioned sample rate converter
Word signal processor, it receives a control signal and foregoing high definition audio signal, and according to control signal adjustment high definition audio news
Number ambient parameter, produce high definition audio output signal；One is electrical with aforementioned sample rate converter, digital signal processor respectively
The microprocessor of connection, it produces foregoing control signal and transmitted to foregoing digital signals processor, and controls aforementioned sample rate to turn
Parallel operation carries out the parameter of high sampling rate conversion；The one high pitch wave filter being electrically connected with foregoing digital signals processor, it is received
And the high definition low frequency output signal in high definition audio output signal is filtered, produce a high definition high pitch output signal and transmit to a high pitch
Loudspeaker；And one with the bass filter of foregoing digital signals processor electrics connection, it receives and filters high definition audio and exports
High definition high frequency output signal in signal, produce a high definition bass output signal and transmit to a bass horn.
When audio signal re-starts high sampling rate conversion, the signal transmission of generation high definition audio through foregoing sampling rate converter
To digital signal processor, digital signal processor produces high definition according to the ambient parameter of control signal adjustment high definition audio signal
Audio output signal, then high definition high pitch output signal is produced with high pitch wave filter and bass filter respectively and exported with high definition bass
Signal, loudspeaker is allowed to export high definition high pitch output signal, bass horn output high definition bass output signal.
According to above-mentioned high definition audio module, the sampling rate converter at least produces the high-resolution high definitions of 24/96kHz
Audio signal.
According to above-mentioned high definition audio module, the sound source input end can be an audio connection terminal and/or electric connection
One Bluetooth Receiver.
According to above-mentioned high definition audio module, the loudspeaker is further disposed on a substrate with bass horn, and high
There is a differential seat angle between sound loudspeaker and bass horn.
According to above-mentioned high definition audio module, in addition to a middle pitch wave filter and the middle pitch with the electric connection of middle pitch wave filter
Loudspeaker, middle pitch wave filter export to receive and filtering the high definition high frequency output signal in high definition audio output signal with high definition low frequency
Signal, produce a high definition middle pitch output signal and transmit to mediant trumpet.
To reach above-mentioned purpose and effect, the earphone of the utility model earphone improved structure has a hanger, hanger both ends
The earmuff body of a movable rotation is connected respectively, and the earmuff body comprises at least：One is provided with a bass horn and a loudspeaker
Substrate, substrate surface is sequentially provided with the first housing and one second housing, the first housing covering bass horn and loudspeaker,
Second housing covers the first housing, then one first sound deadening space, the first housing and second shell are formed between substrate and the first housing
One second sound deadening space is formed between body, and is connected in another side surface of substrate and covers an annular pad；And first housing
A high definition audio module is provided with, high definition audio module electrically connects with bass horn, loudspeaker and a sound source input end respectively
Connect, sound source input end is arranged between the second housing and substrate.
The audio signal of low sampling rate is converted into high definition audio signal using foregoing high definition audio module, and divides into height
Aloof from politics and material pursuits sound output signal is output to loudspeaker, and bass horn, and high, medium and low sound loudspeaker are output to high definition bass output signal
When exporting again, with the first insulating space and the second insulating space shielding external noise, lift quality during earphone tone dialing.
According to above-mentioned earphone improved structure, the sound source input end can be an audio connection terminal and/or electric connection one
Bluetooth Receiver.
According to above-mentioned earphone improved structure, there is a differential seat angle between the loudspeaker and bass horn.
According to above-mentioned earphone improved structure, the substrate is further provided with the middle pitch being electrically connected with high definition audio module
Loudspeaker.
More specifically understand according to each brief description of the drawings such as to make above-mentioned purpose, effect and feature of the present utility model to obtain
Under：
Brief description of the drawings
Fig. 1 is the block diagram of the utility model preferred embodiment.
Fig. 2 is the block diagram of the utility model another embodiment.
Fig. 3 is the stereogram of the another preferred embodiment of the utility model.
Fig. 4 is the optical cable one of the another preferred embodiment of the utility model.
Fig. 5 is the optical cable two of the another preferred embodiment of the utility model.
Fig. 6 is the phantom of the another preferred embodiment of the utility model.
Wherein：High definition audio module, 1, sound source input end, 11, sampling rate converter, 12, digital signal processor, 13,
High pitch wave filter, 14, loudspeaker, 15, bass filter, 16, middle pitch wave filter, 161, bass horn, 17, mediant trumpet,
171, bluetooth receiver, 18, microprocessor, 19, earphone, 2, hanger, 21, earmuff body, 22, substrate, 222, the first housing, 223,
Second housing, 224, annular pad, 221.
Embodiment
Refer to shown in Fig. 1, it is known that high definition audio module 1 described in the utility model mainly includes：
One sound source input end 11, to receive an audio signal, and the audio that sound source input end 11 can be wired connection connects
Connecting terminal, or receive ANTENNAUDIO signal Bluetooth Receiver 18, or the two and deposit.
One sampling rate converter 12, it is electrically connected with foregoing sound source input end 11, to receive audio signal, and again to sound
Frequency signal carries out high sampling rate conversion, produces a high definition audio signal, and so-called audio signal carries out high sampling rate conversion, be by
The audio signal (such as 128K/44.1kHz) of low sampling rate is sampled again with the mode of high sampling rate again, then adopts each
Sampling point is more intensive, and the high definition audio signal allowed after sampling is more close to analog signal, and at least 24/96kHz sampling
Rate；
One digital signal processor 13, be electrically connected with foregoing for sampling rate converter 12, for receive a control signal with
Foregoing high definition audio signal, and according to the ambient parameter of control signal adjustment high definition audio signal, produce high definition audio output news
Number, the setting of so-called ambient parameter, it is to allow high definition audio signal to carry out the amplitude of each sampled point or the adjustment of frequency, and can be with
Produce the sound effect of analogy classical music, supper bass, voice reinforcing, theater etc.；
One microprocessor 19, to be electrically connected with respectively with aforementioned sample rate converter 12, digital signal processor 13, it is produced
Control signal is stated before death to transmit to foregoing digital signals processor 13, and controls aforementioned sample rate converter 12 to carry out high sampling rate
The parameter of conversion；
One high pitch wave filter 14, it is electrically connected with respectively with foregoing digital signals processor 13, a loudspeaker 15, to receive
And the high definition low frequency output signal in high definition audio output signal is filtered, produce a high definition high pitch output signal and transmit to high pitch loudspeaker
15；
One bass filter 16, it is electrically connected with respectively with foregoing digital signals processor 13, a bass horn 17, to receive
And the high definition high frequency output signal in high definition audio output signal is filtered, produce a high definition bass output signal and transmit to bass loudspeaker
17, it is noted that loudspeaker 15 and bass horn 17 are further disposed on a substrate 222, and loudspeaker 15 with
There is a differential seat angle, and described substrate 222 between bass horn 17, can be as be described hereinafter represented by Fig. 3 to Fig. 6 embodiment；Again
Person, the sampling rate converter 12, digital signal processor 13, microprocessor 19, high pitch wave filter 14 and bass filter 16,
It can essentially be each independent electronic circuit or integrated circuit, then set on circuit boards or after integration
Integrated circuit.
When audio signal re-starts high sampling rate conversion through foregoing sampling rate converter 12, generation high definition audio signal passes
Transport to digital signal processor 13, ambient parameter production of the digital signal processor 13 according to control signal adjustment high definition audio signal
Raw high definition audio output signal, then high pitch wave filter 14, which receives and filters the high definition low frequency in high definition audio output signal, exports news
Number producing high definition high pitch output signal transmits to loudspeaker 15, and bass filter 16 receives and to filter high definition audio defeated
The high definition high frequency output signal gone out in signal produces high definition bass output signal and transmits the sound for bass horn 17, making low sampling rate
Frequency signal is converted to high definition audio signal, and it is externally defeated respectively with high definition bass output signal to divide into high definition high pitch output signal
Go out.
It should be noted that in the receptible full range audio signal of human ear institute, it can at least be divided into high pitch, middle pitch and bass
Three sections, then high definition audio output signal of the present utility model, which can further occupy, divides into high definition high pitch output signal, high definition
Middle pitch output signal and high definition bass output signal, it is defeated that foregoing high pitch wave filter 14 with bass filter 16 refilters high definition audio
When going out signal, the high definition high pitch output signal that high pitch wave filter 14 exports can further include high definition middle pitch output signal, or
The high definition bass output signal that bass filter 16 exports can further include high definition middle pitch output signal.
Refer to shown in Fig. 2, the utility model another embodiment is further characterized by compared to earlier figures 1：
Digital signal processor 13 is further electrically connected with a middle pitch wave filter 161, and middle pitch wave filter 161 is electrically connected with a mediant trumpet
171, middle pitch wave filter 20 is receives and filters the high definition high frequency output signal in high definition audio output signal and high definition low frequency is defeated
Go out signal, produce a high definition middle pitch output signal and transmit to mediant trumpet 171, whereby can be defeated by the high definition audio of whole tone frequency range
Go out signal and divide into three sections according to frequency height, allow high definition audio output signal again through loudspeaker 15, mediant trumpet
After 171 play with bass horn 17, more mellow and fuller full listening impression is produced.
Referring again to shown in Fig. 3 to Fig. 6, the utility model earphone 2 has a hanger 21, and the both ends of hanger 21 connect one respectively
The earmuff body 22 of movable rotation, the earmuff body 22 comprise at least：
One substrate 222, it is provided with a bass horn 17 and a loudspeaker 15, and is covered with one first housing 223 foregoing
Bass horn 17 and loudspeaker 15, then form one first sound deadening space, the first housing between the first housing 223 and substrate 222
223 are provided with a high definition audio module 1, and this high definition audio module 1 electrically connects with bass horn 17 and loudspeaker 15 respectively
Connect, and the one end of the first housing 223 is provided with a sound source input end 11 and is electrically connected with high definition audio module 1；It should be noted that institute
It can set each component in such as earlier figures 1, Fig. 2 respectively on a circuit board to state high definition audio module 1, or will
Each component integration in earlier figures 1, Fig. 2 is in integrated circuits；
One second housing 224, to be connected on aforesaid base plate 222, and cover the first housing 223, then the first housing 223 with
One second sound deadening space is formed between second housing 224；
One annular pad 221, to connect and being covered in another side surface of aforesaid base plate 222；
When the audio signal of low sampling rate is converted to high definition audio signal by foregoing high definition audio module 1, and divide into height
Aloof from politics and material pursuits sound output signal is output to loudspeaker 15, and bass horn 17, and high and low sound loudspeaker are output to high definition bass output signal
17 when exporting again, with the first insulating space and the second insulating space shielding external noise, lift quality during 2 tone dialing of earphone.
In summary, a kind of high definition audio module and its earphone improved structure of the present utility model really may achieve, and actually one
Have the invention of novelty and progressive, propose the application of utility model patent in accordance with the law；The only content of described above, it is only this practicality
New preferred embodiment explanation, the change extended such as according to technological means of the present utility model and category, modification, change or
Equivalent replacement person, it should all fall into interest field of the present utility model.
Claims (9)
- A kind of 1. high definition audio module, it is characterised in that：Including：One sound source input end, to receive an audio signal；One sampling rate converter, it is electrically connected with foregoing sound source input end, to receive audio signal, and audio signal is entered again Row high sampling rate is changed, and produces a high definition audio signal；One digital signal processor, it is electrically connected with aforementioned sample rate converter, to receive a control signal and foregoing high voiceless sound Frequency signal, and according to the ambient parameter of control signal adjustment high definition audio signal, produce high definition audio output signal；One microprocessor, to be electrically connected with respectively with aforementioned sample rate converter, digital signal processor, it produces foregoing control Signal is transmitted to foregoing digital signals processor, and controls the parameter of aforementioned sample rate converter progress high sampling rate conversion；One high pitch wave filter, it is electrically connected with respectively with foregoing digital signals processor, a loudspeaker, to receive and filtering high definition High definition low frequency output signal in audio output signal, produce a high definition high pitch output signal and transmit to loudspeaker；One bass filter, it is electrically connected with respectively with foregoing digital signals processor, a bass horn, to receive and filtering high definition High definition high frequency output signal in audio output signal, produce a high definition bass output signal and transmit to bass horn；By audio signal through foregoing sampling rate converter re-start high sampling rate conversion, produce high definition audio signal transmit to Digital signal processor, digital signal processor produce high voiceless sound according to the ambient parameter of control signal adjustment high definition audio signal Frequency output signal, receive high pitch wave filter and filter the high definition low frequency output signal in high definition audio output signal, and produce High definition high pitch output signal transmits to loudspeaker, and bass filter and receives and filter the height in high definition audio output signal Aloof from politics and material pursuits frequency output signal, and produce high definition bass output signal and transmit to bass horn, change the audio signal of low sampling rate For high definition audio signal, and divide into the structure that high definition high pitch output signal externally exports respectively with high definition bass output signal.
- A kind of 2. high definition audio module according to claim 1, it is characterised in that：The sampling rate converter at least produces The high-resolution high definition audio signals of raw 24/96kHz.
- A kind of 3. high definition audio module according to claim 1, it is characterised in that：The sound source input end is an audio One Bluetooth Receiver of connection terminal and/or electric connection.
- A kind of 4. high definition audio module according to claim 1, it is characterised in that：The loudspeaker and bass horn Set on a substrate, and there is a differential seat angle between loudspeaker and bass horn.
- A kind of 5. high definition audio module according to claim 1, it is characterised in that：Also include a middle pitch wave filter and The mediant trumpet being electrically connected with middle pitch wave filter, middle pitch wave filter is reception and filters the high definition in high definition audio output signal High frequency output signal and high definition low frequency output signal, produce a high definition middle pitch output signal and transmit to mediant trumpet.
- 6. a kind of earphone improved structure, has a hanger, hanger both ends connect the earmuff body of a movable rotation, its feature respectively It is：The earmuff body comprises at least：One substrate, it is provided with a bass horn and a loudspeaker, and covers foregoing bass horn and high pitch with one first housing Loudspeaker, then form one first sound deadening space between the first housing and substrate, the first housing is provided with a high definition audio module, high definition Audio-frequency module is electrically connected with bass horn and loudspeaker respectively, and is provided with and high voiceless sound between the second shell one end and substrate The sound source input end that frequency module is electrically connected with；One second housing, to be connected on aforesaid base plate, and the first housing is covered, then formed between the first housing and the second housing One second sound deadening space；One annular pad, to connect and being covered in another side surface of aforesaid base plate；The audio signal of low sampling rate is converted into high definition audio signal using foregoing high definition audio module, and divided into high aloof from politics and material pursuits Sound output signal is output to loudspeaker, and bass horn is output to high definition bass output signal, and with the first insulating space with Second insulating space shields external noise, the structure of quality when lifting earphone tone dialing.
- A kind of 7. earphone improved structure according to claim 6, it is characterised in that：The sound source input end is an audio One Bluetooth Receiver of connection terminal and/or electric connection.
- A kind of 8. earphone improved structure according to claim 6, it is characterised in that：The loudspeaker and bass horn Between there is a differential seat angle.
- A kind of 9. earphone improved structure according to claim 6, it is characterised in that：The substrate is provided with and high definition audio The mediant trumpet that module is electrically connected with.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106201427 | 2017-01-25 | ||
| TW106201427U TWM545340U (en) | 2017-01-25 | 2017-01-25 | High-definition audio module and earphone improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206865697U true CN206865697U (en) | 2018-01-09 |
Family
ID=60049017
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720592853.8U Expired - Fee Related CN206865697U (en) | 2017-01-25 | 2017-05-25 | High definition audio module and earphone improvement structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206865697U (en) |
| TW (1) | TWM545340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220802A1 (en) * | 2019-04-29 | 2020-11-05 | 李锐洪 | Portable pure stereo music player, stereo headphones, and portable stereo music playback system |
-
2017
- 2017-01-25 TW TW106201427U patent/TWM545340U/en not_active IP Right Cessation
- 2017-05-25 CN CN201720592853.8U patent/CN206865697U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220802A1 (en) * | 2019-04-29 | 2020-11-05 | 李锐洪 | Portable pure stereo music player, stereo headphones, and portable stereo music playback system |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM545340U (en) | 2017-07-11 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20190525 |