CN103578512A - Method and device for rapidly playing back records - Google Patents
Method and device for rapidly playing back records Download PDFInfo
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- CN103578512A CN103578512A CN201310492918.8A CN201310492918A CN103578512A CN 103578512 A CN103578512 A CN 103578512A CN 201310492918 A CN201310492918 A CN 201310492918A CN 103578512 A CN103578512 A CN 103578512A
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Abstract
The invention provides a method and device for rapidly playing back records. The method includes the steps that multiple paths of voice data are acquired; all the paths of voice data in the acquired multiple paths of voice data are processed; the processed voice data are played in a play route, wherein the play route is located in an audio drive layer of a mobile terminal. By the adoption of the method, all the paths of voices can be rapidly played back, and the otacoustic goal is achieved through processing of the voices.
Description
Technical field
The present invention relates to a kind of recording back method, more particularly, relate to a kind of record method and apparatus of quick playback of software that utilizes.
Background technology
Along with the development of mobile terminal technology, for the people who has dysaudia, there is the equipment with hearing-aid function as Mobile phone audiphone.Yet existingly as the mobile terminal of Mobile phone audiphone, be mostly to make mobile phone have hearing-aid function on the basis based on hardware design, these class methods not only allow mobile phone circuit design more complicated, have increased the cost of mobile phone simultaneously.Also have plenty of the method based on software, but how long the recording playout-delay of this class mobile terminal is, such as the delay of i Phone is generally at 70ms, the delay of android mobile phone is greater than 200ms.If user wants, when using hearing-aid function, can also listen to the music, broadcast etc. so just must be bought specialized designs and expensive hearing-aid device.
Therefore, need a kind of cost-saving, reduce the recording back method that postpones.
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 a kind of 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: obtained multiple sound data; The multiple sound data Zhong Ge road voice data obtaining is processed; Voice data after processing is play in a broadcast path, wherein, the audio driven layer of described broadcast path in mobile terminal.
Preferably, above-mentioned steps can also comprise: receiving control information, wherein, according to described control information, select multiple sound data.
Preferably, described processing can comprise that multiple sound data are carried out to audio mixing ,Dui Ge road voice data carries out at least one in volume adjusting and echo cancellation.
Preferably, described multiple sound data can comprise data that naturetone, microphone transmit, one or more in the data that user transmits, phone sound, broadcast sound.
To achieve these goals, proposed a kind of device of the quick playback of recording, can comprise: acquisition module, obtains multiple sound data; Processing module, processes the multiple sound data Zhong Ge road voice data obtaining; Playing module is play the voice data after processing in a broadcast path, wherein, and 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 to described control information, selects multiple sound data.
Preferably, the processing that processing module Dui Ge road voice data carries out can comprise that multiple sound data are carried out to audio mixing ,Dui Ge road voice data carries out at least one in volume adjusting and echo cancellation.
Preferably, described multiple sound data can comprise data that naturetone, microphone transmit, one or more in the data that user transmits, phone sound, broadcast sound.
The method and apparatus of the quick playback of above-mentioned recording by the expansion to existing audio driven, increases a broadcast path in recording chain, and recording is processed to rear playback, has effectively saved cost, has solved and has postponed long problem, realizes the function of hearing aid.
Accompanying drawing explanation
By the description of exemplary embodiment of the present invention being carried out below in conjunction with accompanying drawing, above and other object of the present invention and feature will become apparent, wherein:
Fig. 1 is the process flow diagram of the quick back method of recording of the first exemplary embodiment according to the present invention;
Fig. 2 is the process flow diagram 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 block diagram of the quick playback reproducer of recording based on linux of the 5th exemplary embodiment according to the present invention.
Embodiment
Below, with reference to accompanying drawing, describe embodiments of the invention in detail.
Generally speaking, according to the method for the quick playback of recording of the present invention, can comprise the following steps: obtain multiple sound data; The multiple sound data Zhong Ge road voice data obtaining is processed; Voice data after processing is play in a broadcast path, wherein, the audio driven layer of described broadcast path in mobile terminal.
Below in conjunction with specific embodiments of the invention, the method for the quick playback of recording of the present invention is described in detail.
Fig. 1 is the process flow diagram that the quick back method of recording of the first exemplary embodiment according to the present invention is shown.
At step S101, obtain multiple sound data.
Specifically, multiple sound data can comprise data that naturetone, microphone transmit, one or more in the data (as music) that user transmits, phone sound, broadcast sound etc.
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 the recording data receiving can be play together with other each circuit-switched data and voice data be amplified and reaches the object that helps sound, can carry out such processing to voice data, for example, according to arranging of user, voice data be amplified; According to having or not earphone to judge whether to need echo to process; The play rules arranging according to user, carries out the processing of audio mixing selectively.
In realization, can be user corresponding user interface is provided, so that user inputs various settings in user interface, such as volume adjustment, play rules etc.
At step S103, the voice data after processing 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, for example, when listening to the music, audio driven can be distributed broadcasting needed impact damper (BUFFER), the audio frequency broadcast path of configuration codec (CODEC) the inside, the various parameters of audio frequency are set, such as sampling rate, the gain of note amplifier.After being ready to, client layer transmits voice data to kernel, and kernel is passed to audio frequency CODEC by direct memory access (DMA).
In the present invention, in recording chain, increase a broadcast path, in this broadcast path, play mixed data.Take and play naturetone and music is example simultaneously, before DMA passes to CODEC by music data, music and naturetone are mixed, and then play mixed data.
Fig. 2 is the process flow diagram that the quick back method of recording of the second exemplary embodiment according to the present invention is shown.
At step S201, receiving control information, wherein, selects multiple sound data according to described control information.For example, can in audio driven floor, increase for obtaining the interface function of each road voice data.Therefore, user can be by the order that each road voice data is obtained in input in user interface, and these orders can be sent 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, the voice data after processing is play in a broadcast path, wherein, the audio driven layer of described broadcast path in mobile terminal.
The existing android platform of take is example, and delay of its recording playback is at least 200ms, adopts after method of the present invention, postpone to be reduced to 40ms, and the sound playing back has very strong spatial impression, and the sound sensation that has increased user is experienced.In addition, adopt method of the present invention to make the user both can music appreciating, receive calls, broadcast listenings etc. can not heard again naturetone around simultaneously, such as, can know and whom have greeting with you, avoid because listen to the music and can't hear others' voice with having gone up earphone.User can also regulate according to the volume of individual hobby Dui Ge road voice data, when listening to the music, the enlargement factor of music is heightened, and the turning down sound volume that the sound of microphone typing is play, had so not only reached the object of listening to the music but also can not hear 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 302 and playing module 303.
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 module 401, acquisition module 402, processing module 403 and playing module 404.
Fig. 5 is the block diagram of the quick playback reproducer of recording based on linux of the 5th exemplary embodiment according to the present invention.
As shown in Figure 5, the quick playback reproducer of the recording based on linux comprises: user's space voice data receiver module 501, user's space UI module 502, control module 503, kernel voice data receiver module 504, 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, for realizing the UI function of user's space, is carried out control so that associated user's order is input to kernel spacing.
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, the voice data transmitting such as broadcast sound, phone sound, microphone etc.
Output module 506, for the voice data of handling is exported, can comprise receiver, loudspeaker etc.
As shown in Figure 5, user's space voice data receiver module 501 and user's space UI module 502 are positioned at user's space, and control module 503, kernel voice data receiver module 504, audio processing modules 505 and output module 506 are positioned at kernel spacing.
Should be appreciated that, record according to an exemplary embodiment of the present invention quick playback reproducer and embodiment can be carried out the method for the quick playback of recording of the above description that sees figures.1.and.2, and for fear of repetition, do not repeat them here.
The method and apparatus of the quick playback of above-mentioned recording, by increasing a broadcast path in audio driven, first carries out, as the processing of amplification, audio mixing, then being played back rapidly to recording.This method neither needs to change the circuit design of mobile terminal, both reduced cost, solved again and postponed long problem, and realized the function of hearing aid, made to adopt the mobile terminal of the method and apparatus of exemplary embodiment of the present 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, and these modifications and modification are by within falling into the protection domain of claim restriction.
Claims (8)
- Recording quick playback a method, comprise the following steps:Obtain multiple sound data;The multiple sound data Zhong Ge road voice data obtaining is processed;Voice data after processing is play in a broadcast path, wherein, the audio driven layer of described broadcast path in mobile terminal.
- 2. the method for claim 1, also comprises: receiving control information, wherein, according to described control information, select multiple sound data.
- 3. the method for claim 1, wherein described processing comprises that multiple sound data are carried out to audio mixing ,Dui Ge road voice data carries out at least one in volume adjusting and echo cancellation.
- 4. the method for claim 1, wherein described multiple sound data comprise data that naturetone, microphone transmit, one or more in the data that user transmits, phone sound, broadcast sound.
- Recording quick playback a device, comprising:Acquisition module, obtains multiple sound data;Processing module, processes the multiple sound data Zhong Ge road voice data obtaining;Playing module is play the voice data after processing in a broadcast path, wherein, and the audio driven layer of described broadcast path in mobile terminal.
- 6. device as claimed in claim 5, also comprises receiver module, for receiving control information;Wherein, according to described control information, select multiple sound data.
- 7. device as claimed in claim 5, wherein, the processing that processing module Dui Ge road voice data carries out comprises that multiple sound data are carried out to audio mixing ,Dui Ge road voice data carries out at least one in volume adjusting and echo cancellation.
- 8. device as claimed in claim 5, wherein, described multiple sound data comprise data that naturetone, microphone transmit, one or more in the data that user transmits, phone sound, broadcast sound.
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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 |
| CN106325804A (en) * | 2015-07-03 | 2017-01-11 | 深圳市中兴微电子技术有限公司 | Audio processing method and system |
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