CN103578512B - Record method and the device thereof of quick playback - Google Patents
Record method and the device thereof of quick playback Download PDFInfo
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- CN103578512B CN103578512B CN201310492918.8A CN201310492918A CN103578512B CN 103578512 B CN103578512 B CN 103578512B CN 201310492918 A CN201310492918 A CN 201310492918A CN 103578512 B CN103578512 B CN 103578512B
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Abstract
The invention provides a kind of method and apparatus of the quick playback of recording, described method comprises: obtain multiple sound data; The multiple sound data Zhong Ge road voice data obtaining is processed; Voice data after treatment is play in a broadcast path, wherein, the audio driven layer of described broadcast path in mobile terminal. By the method each road of playback sound fast, and reach the object of hearing aid by the processing of sound.
Description
Technical field
The present invention relates to a kind of recording back method, more particularly, relate to one and utilize software to recordThe method and apparatus of the quick playback of sound.
Background technology
Along with the development of mobile terminal technology, for the people who has dysaudia, occur as Mobile phone audiphoneThe equipment with hearing-aid function. But existing as the mobile terminal of Mobile phone audiphone, be mostly based onOn the basis of hardware design, make mobile phone have hearing-aid function, these class methods not only allow mobile phone circuit design moreFor complexity, increased the cost of mobile phone simultaneously. Also have plenty of the method based on software, but this class movesHow long the recording playout-delay of terminal is, such as the delay of i Phone is generally at 70ms, and androidThe delay of mobile phone is greater than 200ms. If user wants, in using hearing-aid function, can also listen to the music,Broadcast etc., so just must buy specialized designs and expensive hearing-aid device.
Therefore, need a kind of cost-saving, reduce postpone recording back method.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, therefore, an aspect of of the present present invention provides onePlant the method and apparatus of the quick playback of recording.
To achieve these goals, provide a kind of method of the quick playback of recording, can comprise the following steps:Obtain multiple sound data; The multiple sound data Zhong Ge road voice data obtaining is processed; WillVoice data after treatment is play in a broadcast path, and wherein, described broadcast path is in movingThe audio driven layer of moving terminal.
Preferably, above-mentioned steps can also comprise: receiving control information, wherein, according to described control informationSelect multiple sound data.
Preferably, described processing can comprise by multiple sound data carry out audio mixing, Dui Ge road voice data entersAt least one in row volume adjusting and echo cancellation.
Preferably, described multiple sound data can comprise data, the Yong Huchuan that naturetone, microphone transmitOne or more in the data of passing, phone sound, broadcast sound.
To achieve these goals, propose a kind of device of the quick playback of recording, can comprise: obtain mouldPiece, obtains multiple sound data; Processing module, by the multiple sound data Zhong Ge road sound number obtainingAccording to processing; Playing module is play voice data after treatment in a broadcast path,Wherein, the audio driven layer of described broadcast path in mobile terminal.
Preferably, said apparatus can also comprise receiver module, for receiving control information, wherein, according toMultiple sound data are selected in described control information.
Preferably, the processing that processing module Dui Ge road voice data carries out can comprise multiple sound data to enterRow audio mixing, Dui Ge road voice data carry out at least one in volume adjusting and echo cancellation.
Preferably, described multiple sound data can comprise data, the Yong Huchuan that naturetone, microphone transmitOne or more in the data of passing, phone sound, broadcast sound.
The method and apparatus of the quick playback of above-mentioned recording, by the expansion to existing audio driven, in recordingIn path, increase a broadcast path, recording is processed to rear playback, effectively saved cost, solvePostpone long problem, realize the function of hearing aid.
Brief description of the drawings
By the description of exemplary embodiment of the present invention being carried out below in conjunction with accompanying drawing, of the present invention above-mentionedWill become apparent with other objects and feature, wherein:
Fig. 1 is the flow chart of the quick back method of recording of the first exemplary embodiment according to the present invention;
Fig. 2 is the flow chart of the quick back method of recording of the second exemplary embodiment according to the present invention;
Fig. 3 is the block diagram of the quick playback reproducer of recording of the 3rd exemplary embodiment according to the present invention;
Fig. 4 is the block diagram of the quick playback reproducer of recording of the 4th exemplary embodiment according to the present invention;
Fig. 5 is the quick playback reproducer of recording based on linux of according to the present invention the 5th exemplary embodimentBlock diagram.
Detailed description of the invention
Below, describe embodiments of the invention in detail with reference to accompanying drawing.
Generally speaking, can comprise the following steps according to the method for the quick playback of recording of the present invention: obtain manyRoad voice data; The multiple sound data Zhong Ge road voice data obtaining is processed; After processingVoice data in a broadcast path, play, wherein, described broadcast path is in mobile terminalAudio driven layer.
Below in conjunction with specific embodiments of the invention, the method for the quick playback of recording of the present invention is carried outDescribe in detail.
Fig. 1 is the flow process that the quick back method of recording of the first exemplary embodiment according to the present invention is shownFigure.
At step S101, obtain multiple sound data.
Specifically, multiple sound data can comprise that data, user that naturetone, microphone transmit transmitData (as music), phone sound, broadcast sound etc. in one or more.
At step S102, the multiple sound data Zhong Ge road voice data obtaining is processed.
Specifically, in order to realize various objects, for example, for allow the recording data that receives can and itsIts each circuit-switched data is play together and voice data is amplified and reaches the object that helps sound, can be to voice dataCarry out such processing, for example, according to arranging of user, voice data is amplified; According to having or not earphoneJudge whether to need echo processing; The play rules arranging according to user, carries out audio mixing selectivelyProcess.
In realization, can be user corresponding user interface is provided, so that user inputs in user interfaceVarious settings, such as volume adjustment, play rules etc.
At step S103, voice data after treatment is play in a broadcast path, wherein,The audio driven layer of described broadcast path in mobile terminal.
Specifically, the specific implementation process of audio driven layer is as follows, and for example, in the time listening to the music, audio frequency drivesPlay needed buffer (BUFFER) moving can distribution, the audio frequency of configuration codec (CODEC) the insideBroadcast path, arranges the various parameters of audio frequency, such as sample rate, and the gain of audio-frequency amplifier. After being ready to,Client layer transmits voice data to kernel, and kernel is passed to audio frequency by direct memory access (DMA)CODEC。
In the present invention, in recording chain, increase a broadcast path, in this broadcast path, play mixedData after closing. To play naturetone and music as example simultaneously, at DMA, music data is passed toBefore CODEC, music and naturetone are mixed, and then play mixed data.
Fig. 2 is the flow process that the quick back method of recording of the second exemplary embodiment according to the present invention is shownFigure.
At step S201, receiving control information, wherein, selects multiple sound according to described control informationData. For example, can in audio driven floor, increase the interface function for obtaining each road voice data. CauseThis, user can be by the order that each road voice data is obtained in input in user interface, and these orders can passDeliver to audio driven layer, thereby obtain each road voice data by audio driven floor.
At step S202, obtain selected multiple sound data.
At step S203, the multiple sound data Zhong Ge road voice data obtaining is processed.
At step S204, voice data after treatment is play in a broadcast path, wherein,The audio driven layer of described broadcast path in mobile terminal.
Taking existing android platform as example, the delay of its recording playback is at least 200ms, adopts thisAfter bright method, postpone to be reduced to 40ms, and the sound playing back has very strong spatial impression, increaseUser sound sensation experience. In addition, adopt method of the present invention to make the user both can music appreciating,Receive calls, broadcast listening etc. can not heard again naturetone around simultaneously, such as, can know and haveWho,, greeting with you, has avoided because brought earphone listen to the music and can't hear others' voice. WithFamily can also regulate according to the volume of individual hobby Dui Ge road voice data, when listening to the music,The multiplication factor of music is heightened, and the turning down sound volume that the sound of microphone typing is play, both reached like thisThe object of listening to the music can not hear again others speaking.
Fig. 3 is the block diagram that the quick playback reproducer of recording of the 3rd exemplary embodiment according to the present invention is shown.
As shown in Figure 3, the record device of quick playback comprises: acquisition module 301, processing module 302With playing module 303.
Acquisition module 301 is for obtaining multiple sound data.
Processing module 302 is for processing the multiple sound data Zhong Ge road voice data obtaining.Specifically, the topological structure of processing module is many inputs, single output. Input source can be microphoneThe data of transmitting, the data that user's space transmits, phone sound, broadcast sound, processing module is right as requiredVoice data carry out such as echo cancellation, noise reduction, volume amplify dwindle, the processing such as audio mixing.
Playing module 303 is for voice data after treatment is play at a broadcast path, itsIn, the audio driven layer of described broadcast path in mobile terminal.
Fig. 4 is the block diagram of the quick playback reproducer of recording of the 4th exemplary embodiment according to the present invention.
As shown in Figure 4, the quick playback reproducer of the recording of exemplary embodiment of the present comprises: receiver module401, acquisition module 402, processing module 403 and playing module 404.
Receiver module 401, for receiving control information, wherein, selects many according to described control informationRoad voice data. For example, user can carry out rule setting to audio mixing, such as only supporting recording and musicTwo-way sound carries out audio mixing mobile phone or supports each road sound to carry out audio mixing, can carry out by Dui Ge road sound simultaneouslyVolume adjusting.
Acquisition module 402 is for obtaining the multiple sound data of selection.
Processing module 403 is for processing the multiple sound data Zhong Ge road voice data obtaining.
Playing module 404 is for voice data after treatment is play at a broadcast path, itsIn, the audio driven layer of described broadcast path in mobile terminal.
Fig. 5 is the quick playback reproducer of recording based on linux of according to the present invention the 5th exemplary embodimentBlock diagram.
As shown in Figure 5, the quick playback reproducer of the recording based on linux comprises: user's space voice data connectsReceive module 501, user's space UI module 502, control module 503, kernel voice data receiver module504, audio processing modules 505 and output module 506.
The voice data that user's space voice data receiver module 501 transmits for receiving user's space.
User's space UI module 502 is for realizing the UI function of user's space, so that associated user is orderedBe input to kernel spacing and carry out control.
Control module 503 is for receiving the control information of user's space.
Kernel voice data receiver module 504 is for obtaining the voice data of kernel spacing, for example broadcast sound,The voice data that phone sound, microphone transmit etc.
Audio processing modules 505 is for processing receiving Ge road voice data, for example echo placeReason, stereo process etc.
Output module 506, for the voice data of handling is exported, can comprise receiver, raise one's voiceDevice etc.
As shown in Figure 5, user's space voice data receiver module 501 and user's space UI module 502Be positioned at user's space, control module 503, kernel voice data receiver module 504, audio processing modules505 and output module 506 be positioned at kernel spacing.
Should be appreciated that, recording according to an exemplary embodiment of the present invention quick playback reproducer and embodiment canCarry out the method for the quick playback of recording of the above description that sees figures.1.and.2, for fear of repetition, at thisRepeat no more.
The method and apparatus of the quick playback of above-mentioned recording, by increasing a broadcast path in audio driven,Recording is first carried out, as the processing of amplification, audio mixing, then being played back rapidly. This method bothDo not need to change the circuit design of mobile terminal, both reduced cost, solved again and postponed long problem, andAnd realize the function of hearing aid, made the movement of the method and apparatus that adopts exemplary embodiment of the present eventuallyEnd can be applicable to having the people of dysaudia to use.
Described in conjunction with specific embodiments the present invention above, but enforcement of the present invention is not limited to this.Within the spirit and scope of the present invention, those skilled in the art can carry out various modifications and variations, theseAmendment and modification are by within falling into the protection domain of claim restriction.
Claims (6)
1. a method for the quick playback of recording, comprises the following steps:
Obtain multiple sound data, wherein, described multiple sound data comprise that naturetone, user transmitThe data that at least one in data, phone sound, broadcast sound and microphone transmit;
The multiple sound data Zhong Ge road voice data obtaining is processed;
Voice data after treatment is play in a broadcast path, wherein, described broadcast pathIn the audio driven layer of mobile terminal,
Wherein, in audio driven layer, increase the interface function for obtaining described multiple sound data, obtainThe step of getting multiple sound data comprises: obtaining of inputting in user interface by reception user is described manyThe order of road voice data, obtains described multiple sound number in response to described order by audio driven layerAccording to.
2. the method for claim 1, also comprises: receiving control information, wherein, according to describedMultiple sound data are selected in control information.
3. the method for claim 1, wherein described processing comprises multiple sound data is carried outAudio mixing, Dui Ge road voice data carry out at least one in volume adjusting and echo cancellation.
4. a device for the quick playback of recording, comprising:
Acquisition module, obtains multiple sound data, wherein, described multiple sound data comprise naturetone,One or more in data that the data, user that microphone transmits are transmitted, phone sound, broadcast sound;
Processing module, processes the multiple sound data Zhong Ge road voice data obtaining;
Playing module is play voice data after treatment in a broadcast path, wherein, and instituteState the audio driven layer of broadcast path in mobile terminal,
Wherein, in audio driven layer, increase the interface function for obtaining described multiple sound data, obtainThe order of obtaining described multiple sound data that delivery piece is inputted in user interface by receiving user, comesObtain described multiple sound data in response to described order by audio driven layer.
5. device as claimed in claim 4, also comprises receiver module, for receiving control information;
Wherein, select multiple sound data according to described control information.
6. device as claimed in claim 4, wherein, what processing module Dui Ge road voice data carried out locatesReason comprise by multiple sound data carry out audio mixing, Dui Ge road voice data carries out volume adjusting and echo cancellationIn at least one.
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| CN104168534A (en) * | 2014-09-01 | 2014-11-26 | 北京塞宾科技有限公司 | Holographic audio device and control method |
| CN106325804B (en) * | 2015-07-03 | 2019-05-31 | 深圳市中兴微电子技术有限公司 | Audio-frequency processing method and system |
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