CN101261864B - A method and system for mixing recording voice at a mobile terminal - Google Patents
A method and system for mixing recording voice at a mobile terminal Download PDFInfo
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- CN101261864B CN101261864B CN2008100934650A CN200810093465A CN101261864B CN 101261864 B CN101261864 B CN 101261864B CN 2008100934650 A CN2008100934650 A CN 2008100934650A CN 200810093465 A CN200810093465 A CN 200810093465A CN 101261864 B CN101261864 B CN 101261864B
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Abstract
The invention discloses a method and a system for realizing the synthesis of sound recording on a mobile terminal. The method includes the following steps: select a multimedia document to be dubbed on a terminal; carry out the audio and video splitting of the multimedia document; decode the split audio data and video data to generate the decoded video data and the audio data in linear pulse code modulation recording format and back up the decoded audio data; the video data before the decoding can be directly used as the video backup if the video formats before and after the recoding synthesization are the same, otherwise, the decoded video data are encoded and then taken as the backup; record on the terminal to generate the audio data in the linear pulse code modulation recording format, the recorded audio data and the decoded audio data in the linear pulse code modulation recording format are synthesized to be encoded, then the video data after backup and the audio data after synthesized encoding are merged and encoded and output together. The method and the system cause the customer to realize the synthesizing function of sound recording by the mobile terminal.
Description
Technical field
The present invention relates to portable terminal recording synthetic technology, more particularly, relate to a kind of admission voice or music of being used on portable terminal and add in original music, animation or the video and go, in order to realize dubbing or the method and system of the function of dubbing in background music.
Background technology
In current mobile terminal (mobile phone), the multimedia function that can realize is a lot, can playing back music, animation and video record etc.; Portable terminal also can be realized functions such as recording simultaneously.If recording can be synthesized in the existing multimedia file, dub as giving one section animation, join perhaps for one section music and sing, then can be used for making the individual character the tinkle of bells or be used as multimedia message sending to kith and kin, will provide novel more interesting experience for mobile terminal user.
Summary of the invention
Technical matters solved by the invention is to provide a kind of method and system that recording is synthetic of realizing on portable terminal, to realize that the recording complex functionality that provides on the portable terminal is provided the user, the problem that can oneself record and dub for existing multimedia material.
In order to realize the problems referred to above, the invention provides a kind of method that recording is synthetic that on portable terminal, realizes, be applied to support it is characterized in that in the portable terminal of multi-medium data, may further comprise the steps:
Select to be its multimedia file of dubbing on the described portable terminal, described multimedia file is carried out the fractionation of Voice ﹠ Video, the voice data and the video data that split the back generation are decoded, generate the voice data of decoded video data and linear pulse-code modulation recording form, and this decoded voice data exported and back up, if the video format before and after recording is synthetic is identical, then the data before the video decode are directly backed up as video, otherwise, carry out again being used as backup again after the respective coding with the video data behind the video decode;
On described portable terminal, begin recording, generate the voice data of linear pulse-code modulation recording form, the voice data of this voice data recorded and described decoded linear pulse-code modulation recording form is synthesized together and encodes, voice data behind video data after the described backup and the described composite coding is merged coding, and output.
Method of the present invention, wherein, the voice data of described voice data that this is recorded and described decoded linear pulse-code modulation recording form is synthesized together, further be the audio frequency superposition algorithm of utilization pulse-code modulation recording form, the voice data of this voice data recorded and described decoded linear pulse-code modulation recording form is synthesized together.
Further, described multimedia file comprises music, animation and the video clip of the various forms of supporting on the described portable terminal.
Before the step of described method, also comprise judging whether insert earphone on the described portable terminal, then point out the user to insert earphone and regularly, then do not finish the step of this method and withdraw from as not inserting earphone in the stipulated time as not inserting earphone; Go into earphone if any inserting earphone or stipulated time interpolation, step below then continuing to carry out.
In order to realize the problems referred to above, the present invention also provides a kind of system that recording is synthetic that realizes on portable terminal, be applied to support in the portable terminal of multi-medium data, it is characterized in that, comprise multi-media decoding and encoding module, audio coding decoding module, coding and decoding video module, audio frequency backup module, video backup module, audio frequency load module, audio frequency output module, video output module, audio frequency laminating module, wherein
Described multi-media decoding and encoding module is used for will splitting and merging for the voice data of its multimedia file of dubbing and video data selecting on the described portable terminal;
Described audio coding decoding module is used for the voice data that described multi-media decoding and encoding module fractionation back generates is decoded, and the voice data that export described audio frequency laminating module stack back is encoded;
Described coding and decoding video module, be used for the video data that described multi-media decoding and encoding module fractionation back generates is decoded, if the video format before and after recording is synthetic is identical, then the data before the video decode are directly issued described video backup module, otherwise, carry out again issuing described video backup module again after the respective coding with the video data behind the video decode;
Described coding and decoding video module, be used for the video data that described multi-media decoding and encoding module fractionation back generates is decoded, if the video format before and after recording is synthetic is identical, then the data before the video decode are directly issued described video backup module, otherwise, carry out again issuing described video backup module again after the respective coding with the video data behind the video decode;
Described audio frequency backup module is used for the voice data of described audio coding decoding module output is backed up;
Described video backup module is used for described multi-media decoding and encoding module is backed up the video data of multi-medium data fractionation back output or the video data behind the described coding and decoding video module coding;
Described audio frequency load module is used for receiving the recording data, generates the voice data of linear pulse-code modulation recording form;
Described audio frequency laminating module is used for the voice data of described audio frequency load module generation and the voice data of the decoded linear pulse-code modulation recording form of described audio coding decoding module are synthesized.
System of the present invention, wherein, described audio frequency laminating module, be further used for using the audio frequency superposition algorithm of pulse-code modulation recording form, the voice data of described audio frequency load module generation and the voice data of the decoded linear pulse-code modulation recording form of described audio coding decoding module are synthesized.
Described system further comprises:
The audio frequency output module is used to export the decoded voice data of described audio coding decoding module;
The video output module is used to export the decoded video data of described coding and decoding video module.
Further, described multimedia file comprises music, animation and the video clip of the various forms of supporting on the described portable terminal.
Further comprise a judge module and timer, wherein, described judge module, be used to judge and whether insert earphone on the described portable terminal, as do not insert earphone then point out the user to insert earphone and start as described in timer regularly, do not insert earphone as described in the stipulated time of timer and then finish to log off; Go into earphone if any the stipulated time interpolation of inserting earphone or described timer, then indicate the work of described multi-media decoding and encoding module.
Compared with prior art, the present invention can add the audio that the user needs in original multimedia material to, so the no longer only simple multimedia files such as playing back music of portable terminal (mobile phone) can also be used to recording synthetic multimedia, produce personalized the tinkle of bells and multimedia short-movie.
Description of drawings
Fig. 1 is the method flow diagram that recording is synthetic of realizing on portable terminal of the present invention;
Fig. 2 is the system construction drawing that recording is synthetic of realizing on portable terminal of the present invention.
Embodiment
The present invention provides a kind of method and system that recording is synthetic of realizing here on portable terminal, to realize that the recording complex functionality that provides on the portable terminal (mobile phone) is provided the user, the problem that can oneself record and dub for existing multimedia material.Below embodiment is described in detail, but not as a limitation of the invention.
Realize the concrete workflow of the whole functional of the method for the invention, as shown in Figure 1, concrete steps are as follows:
The first step provides recording synthetic function items in mobile phone menu, and corresponding shortcut perhaps is provided;
In second step, when entering the recording complex functionality, if do not insert earphone on the mobile phone, prompting needs earphone.If the insertion earphone, the manager that then opens a file therefrom can select to be intended for the multimedia file that it is dubbed;
The 3rd step, choosing will be for behind its multimedia file of dubbing on the portable terminal, voice data in the multimedia file and video data are split, the voice data and the video data that split the back generation are decoded, generate decoded video data and linear PCM (Pulse Code Modulation, pulse-code modulation recording) voice data of form and output begin to play this multimedia file;
The 4th step, during play multimedia files, the voice data of decoded video data and linear pulse-code modulation recording form is backuped in the internal memory of mobile phone (if the video format of the synthetic front and back of recording is identical here, then the data before the video decode are directly backed up as video, otherwise with the video data behind the video decode, carry out again being used as backup again after the respective coding); Begin recording simultaneously, recording is the voice data from audio frequency load module input PCM form;
The 5th step, the digital audio-frequency data that to import the decoded linear PCM form of the voice data of (recording) and output with the pcm audio superposition algorithm is synthesized together and encodes, then with information recompiles such as corresponding picture, video datas, and be stored in the temporary file;
In the 6th step, after multimedia file played, the user ejected edit box and waits for the user-in file name by preserving key, after the user-in file name, temporary file is renamed as the filename of input.If the user selects not preserve, then temporary file is deleted.
In the above-mentioned steps, data such as audio or video are accomplished to play back in decoding needs the regular hour (being assumed to be t1); And be input to and be converted into digital audio-frequency data from the audio frequency of simulation, and be input to the mobile phone master chip, also need the regular hour (being assumed to be t2).So when the audio or video of input audio frequency and output superposes, the audio or video data of current firm decoding and the voice data of positive input can not be superposeed, otherwise can cause the problem that recording misplaces in the final multimedia file that synthesizes.Should be with the voice data of current input and (t1+t2) output audio or the video superimpose of decoding before the time.
In the above-mentioned steps, the voice data of PCM (Pulse Code Modulation, the pulse-code modulation recording) form of input and output is superposeed when synthetic, the scale factor of input and output can all be 0.5.Further improve be by MMI (man-machine interface) for the user provides interface, select configuration by the cellphone subscriber.
Here can be used for to its multimedia file of dubbing can be the music of the various forms of mobile phone support, as midi, and mp3 etc.; Can be animation also, as gif, forms such as swf; Or video clip, as forms such as 3gpp, mp4.But precondition is the decodes and plays that mobile phone must be supported the multi-medium data of the type.The form of the multimedia file after dubbing is the form of mobile phone acquiescence, can be mp3, mp4, and 3gpp, mobile phones such as avi can support it is carried out the form of encoding and decoding.
Because when dubbing, need one side to play, the one side recording, and may itself be exactly voice data or animation and the video that has sound as the multimedia file of material.Here caused echo noise by recording again with original sound stack for the sound that prevents to play, before described method step, just before beginning, recording synthetic method of the present invention also requires to use earphone, if so under the situation of not inserting earphone, open the recording complex functionality, must eject the prompted dialog frame and also start timer, requiring the user to insert earphone can use, and does not then finish the step of this method and withdraws from otherwise do not insert earphone in the stipulated time.
As shown in Figure 2, be the synthetic system construction drawing of realization recording of the present invention.
Also need mobile phone that the synthetic menu item of recording or shortcut and relevant MMI (man-machine interface) are set in the system of the present invention, menu item or shortcut are in order to offer the cellphone subscriber, as recording complex functionality inlet; MMI is used for carrying out man-machine interaction; Here also need to be provided with judge module, be used to judge whether insert earphone on the portable terminal, then point out the user to insert earphone and start timer regularly, then do not finish to log off as not inserting earphone in the stipulated time of timer as not inserting earphone; Go into earphone if any the stipulated time interpolation of inserting earphone or described timer, then indicate 201 work of multi-media decoding and encoding module;
Multi-media decoding and encoding module 201 is used for will being its multimedia file encoding and decoding of dubbing to what choose on the mobile phone, merges and fractionation voice data and video data;
Audio coding decoding module 202 is used for the voice data that multimedia file fractionation back generates is carried out audio decoder, and decoded data layout is the linear pcm digital audio format, and the voice data that export audio frequency laminating module 207 stack backs is encoded;
Coding and decoding video module 203 is used for carrying out the Code And Decode of video, specifically can decoding picture and data such as video; Mainly be that the video data that generates after multi-media decoding and encoding module 201 is split is decoded, to the coding video data of video backup module 205 backup back outputs; If the video format before and after recording is synthetic is identical, then the data before the video decode is directly issued video backup module 205, otherwise, carry out again issuing video backup module 205 again after the respective coding the video data behind the video decode;
Audio frequency backup module 204 is used for the outputting audio data of decoded PCM form is backed up, and gives over to recording and synthesizes;
Audio frequency laminating module (audio mixing) 207 is used for the voice data of the decoded linear pulse-code modulation recording form of audio coding decoding module and the voice data of recording are synthesized together;
Audio frequency output module 209, outputting audio data is play voice and music;
Audio frequency load module 206, input audio data is used for recording, generates the voice data of linear PCM form;
System of the present invention begin recording synthetic after, at first read the multi-medium data that need dub from file system interface.Decode then, split the Voice ﹠ Video data,, then skip over this step if having only audio frequency or video in the material of multimedia file.Again audio frequency and/or video data are decoded.Digital audio-frequency data to the PCM behind the audio decoder (Pulse Code Modulation, pulse-code modulation recording) form is simultaneously exported broadcast, and one side backs up, and gives over to the synthetic usefulness of recording.Data behind the video decode are exported demonstration, but will if the video format after recording is synthesized is identical with the video format of former multimedia material, then can directly use the preceding video data of decoding in two kinds of situation as backup to the backup of video data; If the video format before and after recording is synthetic is inequality, then needs and to be used as backup behind the decoded coding video data again.Will record in play multimedia files, with voice data and the backup of the voice data of corresponding time that recording obtains, the audio mixing that superposes is encoded then.With the coding of the Composite tone data behind the coding with video data backup the carrying out multimedia file of corresponding time, form the multi-medium data after final recording is synthesized, deposit in the file system then.
Compared with prior art, the described method and system of the embodiment of the invention can add the audio that the user needs in original multimedia material to, so no longer only simple multimedia files such as playing back music of portable terminal (mobile phone), can also be used to recording synthetic multimedia, produce personalized the tinkle of bells and multimedia short-movie.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. on portable terminal, realize the method that recording is synthetic for one kind, be applied to support it is characterized in that in the portable terminal of multi-medium data, may further comprise the steps:
Select to be its multimedia file of dubbing on the described portable terminal, described multimedia file is carried out the fractionation of Voice ﹠ Video, the voice data and the video data that split the back generation are decoded, generate the voice data of decoded video data and linear pulse-code modulation recording form, and this decoded voice data exported and back up, if the video format before and after recording is synthetic is identical, then the data before the video decode are directly backed up as video, otherwise, carry out again being used as backup again after the respective coding with the video data behind the video decode;
On described portable terminal, begin recording, generate the voice data of linear pulse-code modulation recording form, the voice data of this voice data recorded and described decoded linear pulse-code modulation recording form is synthesized together and encodes, voice data behind video data after the described backup and the described composite coding is merged coding, and output.
2. the method for claim 1, it is characterized in that, the voice data of described voice data that this is recorded and described decoded linear pulse-code modulation recording form is synthesized together, further be the audio frequency superposition algorithm of utilization pulse-code modulation recording form, the voice data of this voice data recorded and described decoded linear pulse-code modulation recording form is synthesized together.
3. method as claimed in claim 1 or 2 is characterized in that, described multimedia file comprises music, animation and the video clip of the various forms of supporting on the described portable terminal.
4. the method for claim 1, it is characterized in that before the step of described method, also comprise judging whether insert earphone on the described portable terminal, then point out the user to insert earphone and regularly as not inserting earphone, then do not finish the step of this method and withdraw from as not inserting earphone in the stipulated time; Go into earphone if any inserting earphone or stipulated time interpolation, step below then continuing to carry out.
5. on portable terminal, realize the system that recording is synthetic for one kind, be applied to support in the portable terminal of multi-medium data, it is characterized in that, comprise multi-media decoding and encoding module, audio coding decoding module, coding and decoding video module, audio frequency backup module, video backup module, audio frequency load module, audio frequency output module, video output module, audio frequency laminating module, wherein
Described multi-media decoding and encoding module is used for will splitting and merging for the voice data of its multimedia file of dubbing and video data selecting on the described portable terminal;
Described audio coding decoding module is used for the voice data that described multi-media decoding and encoding module fractionation back generates is decoded, and the voice data that export described audio frequency laminating module stack back is encoded;
Described coding and decoding video module, be used for the video data that described multi-media decoding and encoding module fractionation back generates is decoded, if the video format before and after recording is synthetic is identical, then the data before the video decode are directly issued described video backup module, otherwise, carry out again issuing described video backup module again after the respective coding with the video data behind the video decode;
Described audio frequency backup module is used for the voice data of described audio coding decoding module output is backed up;
Described video backup module is used for described multi-media decoding and encoding module is backed up the video data of multi-medium data fractionation back output or the video data behind the described coding and decoding video module coding;
Described audio frequency load module is used for receiving the recording data, generates the voice data of linear pulse-code modulation recording form;
Described audio frequency laminating module is used for the voice data of described audio frequency load module generation and the voice data of the decoded linear pulse-code modulation recording form of described audio coding decoding module are synthesized.
6. system as claimed in claim 5, it is characterized in that, described audio frequency laminating module, be further used for using the audio frequency superposition algorithm of pulse-code modulation recording form, the voice data of described audio frequency load module generation and the voice data of the decoded linear pulse-code modulation recording form of described audio coding decoding module are synthesized.
7. system as claimed in claim 5 is characterized in that, further comprises:
The audio frequency output module is used to export the decoded voice data of described audio coding decoding module;
The video output module is used to export the decoded video data of described coding and decoding video module.
8. as claim 5,6 or 7 described systems, it is characterized in that described multimedia file comprises music, animation and the video clip of the various forms of supporting on the described portable terminal.
9. system as claimed in claim 5, it is characterized in that, further comprise a judge module and timer, wherein, described judge module, be used to judge whether insert earphone on the described portable terminal, as do not insert earphone then point out the user to insert earphone and start as described in timer regularly, do not insert earphone as described in the stipulated time of timer and then finish to log off; Go into earphone if any the stipulated time interpolation of inserting earphone or described timer, then indicate the work of described multi-media decoding and encoding module.
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101740084B (en) * | 2009-11-25 | 2012-05-09 | 中兴通讯股份有限公司 | Clipping method and mobile terminal of multi-media segment |
| CN102638606A (en) * | 2011-02-14 | 2012-08-15 | 苏州巴米特信息科技有限公司 | Method for making photographing animation of background music on mobile phone |
| US8935362B2 (en) * | 2012-05-25 | 2015-01-13 | Smsc Holdings S.A.R.L. | Multi-media file emulation device |
| CN102842323A (en) * | 2012-09-13 | 2012-12-26 | 北京富年科技有限公司 | Mobile terminal and video scoring method applied to mobile terminal |
| CN102868862A (en) * | 2012-09-13 | 2013-01-09 | 北京富年科技有限公司 | Method and equipment for dubbing video applied to mobile terminal |
| CN104333802A (en) * | 2013-12-13 | 2015-02-04 | 乐视网信息技术（北京）股份有限公司 | Video playing method and video player |
| CN103905925B (en) * | 2014-03-07 | 2018-04-27 | 深圳创维数字技术有限公司 | The method and terminal that a kind of repeated program plays |
| CN105898499A (en) * | 2015-12-15 | 2016-08-24 | 乐视网信息技术（北京）股份有限公司 | Mobile client and video file modification method thereof |
| CN105635772A (en) * | 2015-12-30 | 2016-06-01 | 北京奇艺世纪科技有限公司 | Picture-in-picture video playing method and mobile terminal supporting picture-in-picture video playing |
| CN108055490B (en) * | 2017-10-25 | 2021-04-13 | 北京密境和风科技有限公司 | Video processing method and device, mobile terminal and storage medium |
| CN110392273B (en) * | 2019-07-16 | 2023-08-08 | 北京达佳互联信息技术有限公司 | Audio and video processing method and device, electronic equipment and storage medium |
| CN110602416B (en) * | 2019-09-06 | 2022-03-22 | Oppo广东移动通信有限公司 | Video processing method, terminal and computer readable storage medium |
| CN112040310A (en) * | 2020-09-03 | 2020-12-04 | 广州优谷信息技术有限公司 | Audio and video synthesis method and device, mobile terminal and storage medium |
| CN115250367A (en) * | 2021-11-12 | 2022-10-28 | 稿定（厦门）科技有限公司 | Method and apparatus for mixing multimedia files |
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Application publication date: 20080910 Assignee: Xi'an Chris Semiconductor Technology Co. Ltd. Assignor: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Contract record no.: 2019440020036 Denomination of invention: A method and system for mixing recording voice at a mobile terminal Granted publication date: 20100818 License type: Common License Record date: 20190619 |
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