CN207369278U - Mobile intelligent terminal with inside recording function - Google Patents
Mobile intelligent terminal with inside recording function Download PDFInfo
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- CN207369278U CN207369278U CN201721363767.6U CN201721363767U CN207369278U CN 207369278 U CN207369278 U CN 207369278U CN 201721363767 U CN201721363767 U CN 201721363767U CN 207369278 U CN207369278 U CN 207369278U
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Abstract
Mobile intelligent terminal provided by the utility model, including housing, audio input unit, operating system processor and stereo-mixing circuit, operating system processor includes playing output terminal and recording input terminal, stereo-mixing circuit is electrically connected between audio input unit and operating system processor, and the audio signal of audio input unit input and the audio signal of broadcasting output terminal output are transmitted to operating system processor via after stereo-mixing circuit stereo process by input terminal of recording.Mobile intelligent terminal provided by the utility model has inside recording function, the audio signal that mobile intelligent terminal itself plays sends mobile intelligent terminal to via stereo-mixing circuit and carries out interior record in itself, for user in the case where being not required to by other intelligent terminals and sound card equipment, the mobile intelligent terminal only provided by present embodiment can be achieved with the live scene with accompaniment.
Description
Technical field
It the utility model is related to audio area, more particularly to a kind of mobile intelligent terminal with inside recording function.
Background technology
With the fast development of mobile equipment and network technology, more and more users are using mobile intelligent terminal (such as intelligence
Mobile phone, tablet computer etc.) carry out audio and video it is live.User usually requires to carry out accompaniment performance, existing mobile intelligence when live
Energy terminal does not possess inside recording function, and the music transmission that itself audio can not be played to application plays carries out interior record simultaneously to live application
Live output, if user wants to realize the live scene with accompaniment, it is necessary to play accompaniment simultaneously by another mobile intelligent terminal
Cause live field device more, line to live mobile intelligent terminal the accompaniment output of broadcasting by sound card equipment
It is complicated.
Utility model content
Based on this, the utility model provides a kind of mobile intelligent terminal with inside recording function, its own audio plays should
Live application program can be transferred to the music of broadcasting and carries out live output, without other mobile intelligent terminals and sound
The participation of card apparatus.
Mobile intelligent terminal provided by the utility model with inside recording function, including housing, further include：Audio input list
Member, it is set on the housing；Operating system processor, it is arranged in the housing, the operating system processor bag
Include and play output terminal and recording input terminal；Stereo-mixing circuit, it is arranged in the housing, and it is defeated to be electrically connected to the audio
Enter between unit and the operating system processor, the audio signal of the audio input unit input and described play export
Hold the audio signal of output described via being transmitted to after the stereo-mixing circuit stereo process by the recording input terminal
Operating system processor.
Further, the stereo-mixing circuit includes D/A conversion unit, downmixing unit and AD conversion unit, institute
The input terminal of D/A conversion unit is stated to be electrically connected with the broadcasting output terminal, the input terminal of the downmixing unit respectively with the number
The output terminal of mould converting unit and the audio input unit are electrically connected, the input terminal of the AD conversion unit and the audio mixing
The output terminal of unit is electrically connected, and the output terminal of the AD conversion unit and the recording input terminal are electrically connected.
Further, the mobile intelligent terminal further includes audio output unit, the audio output unit and the number
The output terminal of mould converting unit is electrically connected.
Further, the mobile intelligent terminal further includes audio output unit, and the audio output unit is mixed with described
The output terminal of sound unit is electrically connected.
Further, the stereo-mixing circuit includes stereo codecs, and the stereophonic encoder includes number
Word signal input part, digital signal output end, ADC input terminals and DAC output terminals, the digital signal input end and the broadcasting
Output terminal is electrically connected, and the DAC output terminals and the audio input unit are electrically connected with the ADC input terminals, the numeral letter
Number output terminal is electrically connected with the recording input terminal.
Further, the mobile intelligent terminal further includes audio output unit, the audio output unit and the DAC
Output terminal is electrically connected.
Further, the stereo codecs include CS42448 chips, CS4245 chips.
Further, the audio input unit includes microphone interface, circuit input interface, coaxial input interface, optical fiber
At least one of input interface.
Further, the audio output unit include headset output interface, circuit output interface, optical fiber output interface,
At least one of coaxial output interface.
Further, audio control key is provided with the housing, the audio control key passes through control unit and the solid
Sound mixer circuit is electrically connected.
Compared with prior art, mobile intelligent terminal provided in this embodiment has inside recording function, and mobile intelligent terminal is certainly
The audio signal that body plays sends mobile intelligent terminal to via stereo-mixing circuit and carries out interior record in itself, and user is being not required to borrow
In the case of helping other intelligent terminals and sound card equipment, the mobile intelligent terminal only provided by present embodiment can be achieved with
Live scene with accompaniment, hardware cost is saved for user, meanwhile, live equipment eliminates numerous and diverse interfacility link,
So that live scene is more succinct.
Brief description of the drawings
Fig. 1 is the structural representation for the mobile intelligent terminal with inside recording function that a kind of embodiment of the utility model provides
Figure；
Fig. 2 is the structural representation for the mobile intelligent terminal with inside recording function that another embodiment of the utility model provides
Figure；
Fig. 3 is the structural representation for the mobile intelligent terminal with inside recording function that another embodiment of the utility model provides
Figure；
Fig. 4 is the structural representation for the mobile intelligent terminal with inside recording function that another embodiment of the utility model provides
Figure.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
Fig. 1 and Fig. 2 are referred to, the mobile intelligent terminal with inside recording function that the utility model embodiment provides includes shell
Body 100, audio input unit 110, operating system processor 130 and stereo-mixing circuit 120.
Audio input unit 110 is arranged on housing 100, it is used for for external sound source equipment access mobile intelligent terminal,
With to mobile intelligent terminal input audio signal.Audio input unit 110 includes microphone interface, circuit input interface, coaxial defeated
At least one of incoming interface, optical fiber input interface.
Operating system processor 130 is used to run intelligent terminal operation system, is responsible for the control of whole terminal system.Operation
The valiant dragon series of high pass can be selected in system processor 130, the processor that kylin series etc. is usually used in smart mobile phone is thought in sea, can also select
It is usually used in the processor of tablet computer with serial, full will A/H series of the i.MX of NXP etc..Operating system processor 130 includes playing
Output terminal 132 and recording input terminal 131, wherein, play output terminal 132 and be used to believe the audio in operating system processor 130
Number output, recording input terminal 131 be used for audio signal is inputted into operating system processor 130.Those skilled in the art institute
It is well known, the I2S output pins that output terminal 132 is operating system processor 130 are played, recording input terminal 131 is operating system
The I2S input pins of processor 130, play output terminal 132 and recording input terminal 131 and pass through I2S signals and stereo-mixing electricity
Road 120 carries out audio signal transmission.
Stereo-mixing circuit 120 is electrically connected between operating system processor 130 and audio input unit 110, audio
Input unit 110 carries out audio transmission by stereo-mixing circuit 120 and operating system processor 130.It is specifically, stereo
Mixer circuit 120 is used for the audio signal inputted from audio input unit 110 and the broadcasting from operating system processor 130
The audio signal that output terminal 132 exports carries out stereo process, and the audio signal that processing obtains is passed via recording input terminal 131
Send to operating system processor 130.
By taking Android system as an example, music application program is broadcast by the Audiotrack modules of Android operation system bottom
Multimedia file is put, then audiotrack calls bottom layer driving, realizes audio signal is defeated by the broadcasting passage of processor
Go out to stereo-mixing circuit 120.Audio signal is sent to Android by stereo-mixing circuit 120 by input terminal 131 of recording
The inside buffer of the audiorecorder of operating system bottom, the application program (example for possessing recording function java layers follow-up
Such as live application program, K songs application program) the audio letter preserved in internal buffer can be obtained by " read () " interface
Number.
In one embodiment, Fig. 1 is referred to, stereo-mixing circuit 120 includes D/A conversion unit 121, audio mixing
Unit 122 and AD conversion unit 123, wherein, the input terminal of D/A conversion unit 121 is electrically connected with playing output terminal 132, is mixed
The input terminal of sound unit 122 is electrically connected with the output terminal and audio input unit 110 of D/A conversion unit 121 respectively, and modulus turns
The output terminal of the input terminal and downmixing unit 122 that change unit 123 is electrically connected, and the output terminal of AD conversion unit 123 and recording are defeated
Enter end 131 to be electrically connected.
In the present embodiment, from the digital audio and video signals warp for playing output terminal 132 and exporting of operating system processor 130
It is to downmixing unit 122, downmixing unit 122 that audio is defeated by being exported after being converted into simulated audio signal to D/A conversion unit 121
Enter the simulated audio signal that unit 110 and D/A conversion unit 121 transmit and carry out stereo process to form audio signal, audio mixing letter
It is converted into passing through after digital audio signal via AD conversion unit 123 number again and operating system is sent to by recording input terminal 131
Manage device 130.Specifically, AD conversion unit 123 and D/A conversion unit 121 select ADC chips or DAC chip respectively, mix
Sound unit 122 can be operational amplifier.It is well known to those skilled in the art, ADC chips, DAC chip and operational amplifier
Chip is respectively provided with least one signal input part and at least one signal output part, when audio input unit 110 is digital audio
During interface, another analog-digital chip need to be also set between audio input unit 110 and downmixing unit 122.
In another embodiment, Fig. 2 is referred to, stereo-mixing circuit 120 is stereo codecs 120.It is vertical
Body sound codec 120 generally has a digital signal input end and a digital signal output end, also with ADC input terminals
With DAC output terminals.In the present embodiment, play output terminal 132 to be electrically connected with digital signal input end, input terminal 131 of recording
It is electrically connected with digital signal output end, audio input unit 110 is electrically connected with ADC input terminals, and DAC output channels also pass through outside
Connecting line is electrically connected with ADC input channels.The digital audio and video signals of the output of output terminal 132 are played via stereo codecs
After 120 progress digital-to-analogue conversions ADC input channels are sent to from DAC output channels；It is logical from audio input unit 110 and DAC outputs
The audio signal of road input mixed via stereo codecs 120 after again via AD conversion unit from I2S output terminals
It is sent to digital signal input end.Stereo codecs 120 refer to the stereo volumes such as CS42448 chips, CS4245 chips
Decoding chip, these chips are respectively provided with multiple ADC input channels and multiple DAC output channels, and have sound mixing function, energy
Enough meets the needs of present embodiment.
In a kind of live scene, operating system processor 130 runs live software and music player software, user at the same time
Microphone is inserted into audio input unit 110 to input voice, music player software plays music to provide accompaniment to the user,
After the music signal that stereo-mixing circuit 120 plays human voice signal and music player software carries out audio mixing, then audio mixing believed
Number be sent in live software carry out it is live.If live software itself can play music, stereo-mixing circuit 120 is by people
After the music signal that acoustical signal and live software itself play carries out audio mixing, then audio signal is sent in live software and is carried out
It is live.In other words, from audio input unit 110 input human voice signal and mobile intelligent terminal play accompaniment signal via
Stereo-mixing circuit 120 be sent to mobile intelligent terminal carry out in record and it is live.
Compared with prior art, mobile intelligent terminal provided in this embodiment has inside recording function, and mobile intelligent terminal is certainly
The audio signal that body plays sends mobile intelligent terminal to via stereo-mixing circuit 120 and carries out interior record in itself, and user is not
In the case of need to be by other intelligent terminals and sound card equipment, the mobile intelligent terminal only provided by present embodiment be with regard to energy
Realize the live scene with accompaniment, hardware cost is saved for user, meanwhile, live equipment eliminates numerous and diverse equipment connection
Line so that live scene is more succinct.
In more preferably embodiment, Fig. 3 and Fig. 4 are referred to, mobile intelligent terminal includes housing 100, audio input unit
110th, stereo-mixing circuit 120 and operating system processor 130, further include audio output unit 140.
Audio output unit 140 is used for for outer audio equipment access mobile intelligent terminal, by mobile intelligent terminal
Audio signal export to outer audio equipment.Audio output interface includes earphone interface, circuit output interface, optical fiber output and connects
Mouth, at least one of coaxial output interface.
When stereo-mixing circuit 120 includes D/A conversion unit 121, downmixing unit 122 and AD conversion unit 123
When, audio output unit 140 can be electrically connected with the output terminal of D/A conversion unit 121 or the output terminal of downmixing unit 122.
If audio output unit 140 is electrically connected with the output terminal of D/A conversion unit 121, the digital audio that output terminal 132 exports is played
Signal is converted into not only being sent to the progress stereo process of downmixing unit 122 after simulation sound signal via D/A conversion unit 121, also
Exported from audio output unit 140；If audio output unit 140 is electrically connected with the output terminal of downmixing unit 122, downmixing unit
The audio signal formed in 122 is not only sent to AD conversion unit 123, is also exported from audio output unit 140.User Ke Tong
Cross audio output unit 140 to hear accompaniment signal or hear voice and the mixed signal of accompaniment, enable to user hearing
Carry out live in the case of accompaniment, more meet the live demand of user, allow user to obtain more preferably live-experience sense.
When stereo-mixing circuit 120 is stereo codecs 120, audio output unit 140 is solved with stereo compile
The DAC output terminals of code device 120 are electrically connected so that user is carried out directly by audio output unit 140 in the case where hearing accompaniment
Broadcast, more meet the live demand of user so that the live-experience sense of user is more preferably.
In more preferably embodiment, mobile intelligent terminal includes housing 100, audio input unit 110, stereo-mixing electricity
Road 120 and operating system processor 130, further include audio control key and control unit.
Audio control key is electrically connected by control unit with stereo-mixing circuit 120, and audio control key can be button, knob
Either STM series or 51 series monolithics can be selected at least one of poke rod control unit.In the present embodiment, sound
Frequency button, which is triggered, to be generated high level or low level signal and sends high/low level signal to the I/O mouths of singlechip chip,
Singlechip chip detects I/O mouthfuls of the corresponding control instruction of low and high level signal generation and sends control instruction to stereo
Mixer circuit 120.
Audio button can include microphone volume adjustment control key, monitor volume adjustment control key, circuit input/output volume tune
Control key etc. is saved, enables a user to manipulate the audio-frequency function of mobile intelligent terminal by audio control key.
The preferred embodiment of the above, only the utility model, the embodiment for being not intended to limit the utility model,
Those of ordinary skill in the art's central scope according to the present utility model and spirit, can very easily carry out corresponding accommodation
Or modification, therefore the scope of protection of the utility model should be subject to the protection domain required by claims.
Claims (10)
1. a kind of mobile intelligent terminal with inside recording function, including housing, it is characterised in that further include：
Audio input unit, it is set on the housing；
Operating system processor, it is arranged in the housing, and the operating system processor includes playing output terminal and recording
Input terminal；
Stereo-mixing circuit, it is arranged in the housing, is electrically connected to the audio input unit and the operating system
Between processor, the audio signal of audio input unit input and the audio signal for playing output terminal output via
The operating system processor is transmitted to by the recording input terminal after the stereo-mixing circuit stereo process.
2. mobile intelligent terminal according to claim 1, it is characterised in that the stereo-mixing circuit turns including digital-to-analogue
Unit, downmixing unit and AD conversion unit are changed, the input terminal of the D/A conversion unit is electrically connected with the broadcasting output terminal,
The input terminal of the downmixing unit is electrically connected with the output terminal of the D/A conversion unit and the audio input unit respectively, institute
State AD conversion unit input terminal and the downmixing unit output terminal be electrically connected, the output terminal of the AD conversion unit and
The recording input terminal is electrically connected.
3. mobile intelligent terminal according to claim 2, it is characterised in that it is defeated that the mobile intelligent terminal further includes audio
Go out unit, the audio output unit is electrically connected with the output terminal of the D/A conversion unit.
4. mobile intelligent terminal according to claim 2, it is characterised in that it is defeated that the mobile intelligent terminal further includes audio
Go out unit, the audio output unit is electrically connected with the output terminal of the downmixing unit.
5. mobile intelligent terminal according to claim 1, it is characterised in that the stereo-mixing circuit includes stereo
Codec, the stereophonic encoder include digital signal input end, digital signal output end, ADC input terminals and DAC outputs
End, the digital signal input end are electrically connected with the broadcasting output terminal, the DAC output terminals and the audio input unit and
The ADC input terminals are electrically connected, and the digital signal output end is electrically connected with the recording input terminal.
6. mobile intelligent terminal according to claim 5, it is characterised in that it is defeated that the mobile intelligent terminal further includes audio
Go out unit, the audio output unit is electrically connected with the DAC output terminals.
7. the mobile intelligent terminal according to claim 5 or 6, it is characterised in that the stereo codecs include
CS42448 chips, CS4245 chips.
8. mobile intelligent terminal according to claim 1, it is characterised in that the audio input unit connects including microphone
At least one of mouth, circuit input interface, coaxial input interface, optical fiber input interface.
9. according to the mobile intelligent terminal described in claim 3,4 or 6, it is characterised in that the audio output unit includes ear
Machine interface, circuit output interface, optical fiber output interface, at least one of coaxial output interface.
10. mobile intelligent terminal according to claim 1, it is characterised in that audio control key, institute are provided with the housing
Audio control key is stated to be electrically connected with the stereo-mixing circuit by control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721363767.6U CN207369278U (en) | 2017-10-23 | 2017-10-23 | Mobile intelligent terminal with inside recording function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721363767.6U CN207369278U (en) | 2017-10-23 | 2017-10-23 | Mobile intelligent terminal with inside recording function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207369278U true CN207369278U (en) | 2018-05-15 |
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ID=62421118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721363767.6U Expired - Fee Related CN207369278U (en) | 2017-10-23 | 2017-10-23 | Mobile intelligent terminal with inside recording function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207369278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495814A (en) * | 2018-11-21 | 2019-03-19 | 广州市百果园信息技术有限公司 | Audio connector, acoustic signal processing method and audio signal processing |
| CN113192526A (en) * | 2021-04-28 | 2021-07-30 | 北京达佳互联信息技术有限公司 | Audio processing method and audio processing device |
-
2017
- 2017-10-23 CN CN201721363767.6U patent/CN207369278U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495814A (en) * | 2018-11-21 | 2019-03-19 | 广州市百果园信息技术有限公司 | Audio connector, acoustic signal processing method and audio signal processing |
| CN113192526A (en) * | 2021-04-28 | 2021-07-30 | 北京达佳互联信息技术有限公司 | Audio processing method and audio processing device |
| CN113192526B (en) * | 2021-04-28 | 2023-10-31 | 北京达佳互联信息技术有限公司 | Audio processing method and audio processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180611 Address after: 518000 Longhua New District, Shenzhen, Guangdong Province, big wave street, big wave community, Huaning West Road, Xing Hui science and Technology Industrial Park, C building, 3rd floor, B area and F building, 6 floor. Patentee after: SHENZHEN KESUOSI ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 518054 room 410, North block, Wan De Lai Building, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN BOSHIWAN INFORMATION TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |