CN103152605B - A kind of method of voice data transcoding, device and transcoding server - Google Patents
A kind of method of voice data transcoding, device and transcoding server Download PDFInfo
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- CN103152605B CN103152605B CN201310069736.XA CN201310069736A CN103152605B CN 103152605 B CN103152605 B CN 103152605B CN 201310069736 A CN201310069736 A CN 201310069736A CN 103152605 B CN103152605 B CN 103152605B
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Abstract
The invention discloses a kind of method of voice data transcoding.Described method comprises: the electronic program guide information obtaining audio data stream to be collected; According to the device channels arranged in the configuration file preset, gather audio signal from the equipment interface corresponding with described device channels; According to the coded format arranged in the configuration file preset and coding parameter, be the voice data of preset format by described audio-frequency signal coding; According to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, described voice data is saved as audio program files.The voice data collected can be stored into separately for program request on server with the form of program according to the configuration file pre-set and EPG electronic program guide information by the technical program, can improve the collection of voice data and the efficiency of transcoding.The invention also discloses the device for realizing described method and transcoding server.
Description
Technical field
The present invention relates to Audiotechnica field, particularly relate to a kind of method of voice data transcoding, device and transcoding server.
Background technology
Along with the development of existing audio frequency and video technology, traditional audio system based on broadcast mode has started to live or demand (telecommunication) service aspect development online.The audio collection of existing system and disposal ability cannot meet the business development of " network radio station ", cannot meet the access collection of digitized signal, and its system processing power can not meet the including of more multichannel signal, encode and the business demand such as live.
Traditional program of radio station makes the service standard of virtual live employing Windows Media Services (windows media service), editorial staff is by human configuration playlist, the audio file of the wma form editted is carried out layout, and perform Windows Windows plan target every day to switch playlist, this kind of mode of operation is very dumb, the playlist editted is adjusted convenient not directly perceived, cause system operation workload large, system failure rate is higher, the requirement of inapplicable present Network development.
The service on demand system of traditional station program is generally based on Real system, in a planned way control at times to gather to multipath audio signal and be recorded as rm (real media, a kind of form of network flow-medium) after formatted file, concentrate and be sent to Real Media Service (service of rm format media) server external order program service is provided, the collection process of this system is often hung up extremely, causing to gather omits unsuccessfully, mode is by hand needed to adopt back desired data from other media platforms, cause efficiency so low, collection mortality is high, poor in timeliness, manageability is poor and need the problems such as a large amount of manual work.
Summary of the invention
The embodiment of the present invention provides a kind of method of voice data transcoding, device and transcoding server, for realizing in real time, being converted to by multi-path audio-frequency data efficiently the voice data of required form, and be stored as audio program files for program request according to the broadcast slot information of program, or be directly supplied to direct broadcast server for live with the form of data flow.
One aspect of the present invention, proposes a kind of method of voice data transcoding, comprises the following steps: the electronic program guide information obtaining audio data stream to be collected; According to the device channels arranged in the configuration file preset, gather audio signal from the equipment interface corresponding with described device channels; According to the coded format arranged in the configuration file preset and coding parameter, be the voice data of preset format by described audio-frequency signal coding; According to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, described voice data is saved as audio program files.The technical program can arrange configuration file according to various acquisition parameter, collection and the transcoding of voice data is carried out according to configuration file, according to the configuration file pre-set and EPG electronic program guide information, the voice data collected is stored into separately on server for program request with the form of program, do not need artificial participation, the collection of voice data and the efficiency of transcoding can be improved.Preferably, the coded format arranged in the configuration file that described basis is preset and coding parameter, also comprise after by described audio-frequency signal coding being the step of the voice data of preset format: according to the direct broadcast server position arranged in the configuration file preset and live agreement, send the voice data after described coding to direct broadcast server and carry out live.The voice data collected can be sent to for live on default direct broadcast server with the form of data flow according to the protocol type preset by the technical program, can improve the operational efficiency of direct broadcast service, reduces failure rate.
Preferably, the step of the electronic program guide information of the audio data stream that described acquisition is to be collected comprises further: interval acquiring electronic program guide information upgrading electronic program guide information before at preset timed intervals.The technical program upgrades EPG information by intermittent, can the time period information of continuous audio calibration data flow, improves the accuracy generating program file time point according to voice data and program broadcasting time.
Preferably, the transcoding audio data file memory location arranged in the configuration file that described basis is preset and naming rule and described electronic program guide information, comprise further by the step that described voice data saves as audio program files: use temporary file name to preserve to the audio program files generated; Task terminate rear according to described naming rule rename audio program files.In the technical program, can ensure that the file generated is not used by other.
Preferably, according to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, also step is comprised: detect described audio program files after described voice data being saved as the step of audio program files, after the program gathered is complete, the program of collection is published on server.In the technical program, for the incomplete program of collection, can ensure that it is not distributed on vod server by detecting, improving system works stability.
Another aspect of the present invention, propose a kind of device of voice data transcoding, comprise configuration file and module, electronic program guides acquisition module, audio signal sample module, audio data coding module and audio file preservation module is set, wherein: described electronic program guides acquisition module, for obtaining the electronic program guide information of audio data stream to be collected; Described audio signal sample module, for according to the device channels arranged in the configuration file preset, gathers audio signal from the equipment interface corresponding with described device channels; Described audio-frequency signal coding, for according to the coded format arranged in the configuration file preset and coding parameter, is the voice data of preset format by described audio data coding module; Described audio program files preserves module, for according to the transcoding audio data file memory location arranged in the configuration file preset and naming rule and described electronic program guide information, each audio program is saved as audio program files.。Preferably, described device also comprises audio data transmission module, for according to the direct broadcast server position arranged in the configuration file preset and live agreement, sends the voice data after described coding to direct broadcast server and carries out live.
Preferably, described electronic program guides acquisition module is further used for: interval acquiring electronic program guide information upgrading electronic program guide information before at preset timed intervals.
Preferably, described audio program files preservation module is further used for: use temporary file name to preserve to the audio program files generated; Task terminate rear according to described naming rule rename audio program files.
Preferably, also comprising audio program files detection module, for detecting described audio program files, after the program gathered is complete, the program of collection being published on server.
Another aspect of the present invention, also proposed a kind of transcoding server, comprises arbitrary described device in the technique scheme being no less than.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method for a kind of voice data transcoding in the embodiment of the present invention;
Fig. 2 is the flow chart of a kind of preferred embodiment of embodiment of the present invention sound intermediate frequency transcoded data method;
Fig. 3 is the structural representation of the device of a kind of voice data transcoding in the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of preferred embodiment of device of embodiment of the present invention sound intermediate frequency transcoded data;
Fig. 5 is the structural representation of the another kind of preferred embodiment of device of embodiment of the present invention sound intermediate frequency transcoded data.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 is the flow chart of the method for a kind of voice data transcoding in the embodiment of the present invention.As shown in Figure 1, comprise the following steps:
Step 101, obtain the electronic program guide information of audio data stream to be collected;
The audio program that each radio station is broadcasted all can have broadcast time, can the information of Real-time Obtaining EPG (Electronic Program Guide) electronic program guides by network, i.e. each program time period residing in audio stream.
The device channels arranged in the configuration file that step 102, basis are preset, gathers audio signal from the equipment interface corresponding with described device channels;
Described audio-frequency signal coding is the voice data of preset format by the coded format arranged in the configuration file that step 103, basis are preset and coding parameter;
Step 104, according to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, described voice data is saved as audio program files.
Preset audio transcoded data configuration file, described configuration file comprises device channels, coded format, coding parameter and transcoding audio data file memory location and naming rule.Concrete, the model of designation number Audio signal input device is needed in configuration file, such as AES/EBU digital interface, most this equipment there is multiple input channel, coded format and coding parameter that the title of each passage, Data Source and the collection voice data corresponding with this passage need can be set in configuration file.
In step 102, after receiving the voice data of input channel transmission, according to coded format and coding parameter, transcoding process is carried out to voice data, obtain the voice data of predetermined format, such as AAC form.
The technical program can arrange configuration file according to various acquisition parameter, collection and the transcoding of voice data is carried out according to configuration file, for adapting to the needs of audio program order program service, after by audio data collecting transcoding, need according to the configuration file pre-set and EPG electronic program guide information, the voice data collected to be stored into separately on server for program request with the form of program, this process does not need artificial participation, can improve the collection of voice data and the efficiency of transcoding.
In storing process, preferably, interval acquiring electronic program guide information electronic program guide information is before upgraded at preset timed intervals.EPG information is upgraded by intermittent, can the time period information of continuous audio calibration data flow, improve the accuracy generating program file time point according to voice data and program broadcasting time.
In order to ensure that the file generated is not used by other, temporary file name is used to preserve to the audio program files generated; Task terminates rear according to described naming rule rename.
Inevitably there will be random fault due to system or mistake appears in transfer of data, the audio file collected all may be caused to occur mistake, the delay such as caused due to abnormal program termination starts the file gathering and terminate in advance to gather.Therefore need, after audio file collection generates, to detect described audio program files, the incomplete program of collection is not published on server.Like this for the incomplete program of collection, can ensure that it is not distributed on vod server by detecting, improving system works stability.
In this technical scheme, audio file can support that the file of S48, mp3, aac or wma form inputs, coding parameter is inputted by operational factor, comprises output format, export file name, bit rate, sample rate, sampling resolution etc., and output format supports aac, wma and mp3.
In technique scheme, the various information gathered and occur in transcoding and file generated process all can export with the form of daily record, administrative staff are enable to obtain system operation data by daily record, so that adjustment in time and maintenance, daily record comprises transcoding success or failed returns mark, and the error description information of transcoding failure.
Fig. 2 is the flow chart of the another kind of preferred embodiment of embodiment of the present invention sound intermediate frequency transcoded data method.As shown in Figure 2, step is comprised: step 201, obtain the electronic program guide information of audio data stream to be collected;
The device channels arranged in the configuration file that step 202, basis are preset, gathers audio signal from the equipment interface corresponding with described device channels;
Described audio-frequency signal coding is the voice data of preset format by the coded format arranged in the configuration file that step 203, basis are preset and coding parameter;
The direct broadcast server position arranged in the configuration file that step 204, basis are preset and live agreement, send the voice data after described coding to direct broadcast server and carry out live.
The voice data collected can be sent to for live on default direct broadcast server with the form of data flow according to the protocol type preset by the technical program, can improve the operational efficiency of direct broadcast service, reduces failure rate.
Fig. 3 is the structural representation of the device of a kind of voice data transcoding in the embodiment of the present invention.As shown in Figure 3, comprise electronic program guides acquisition module 301, audio signal sample module 302, audio data coding module 303 and audio program files and preserve module 304, wherein: described electronic program guides acquisition module, for obtaining the electronic program guide information of audio data stream to be collected; Described audio signal sample module, for according to the device channels arranged in the configuration file preset, gathers audio signal from the equipment interface corresponding with described device channels; Described audio-frequency signal coding, for according to the coded format arranged in the configuration file preset and coding parameter, is the voice data of preset format by described audio data coding module.Audio program files preserves module 304 for according to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, and described voice data is saved as audio program files.
Fig. 4 is the structural representation of a kind of preferred embodiment of device of embodiment of the present invention sound intermediate frequency transcoded data.As shown in Figure 4, electronic program guides acquisition module 401, audio signal sample module 402, audio data coding module 403 and audio data transmission module 404 is comprised.Wherein, audio data transmission module, for according to the direct broadcast server position arranged in the configuration file preset and live agreement, sends the voice data after described coding to direct broadcast server and carries out live, other modules are identical with a upper device embodiment, do not repeat them here.
In above-mentioned each device embodiment, electronic program guides acquisition module is further used for: interval acquiring electronic program guide information upgrading electronic program guide information before at preset timed intervals.Audio program files is preserved module and is further used for: use temporary file name to preserve to the audio program files generated; Task terminate rear according to described naming rule rename audio program files.
Fig. 5 is the structural representation of the another kind of preferred embodiment of device of embodiment of the present invention sound intermediate frequency transcoded data.As shown in Figure 5, comprise electronic program guides acquisition module 501, audio signal sample module 502, audio data coding module 503, audio program files preservation module 504 and audio program files detection module 505, wherein, audio program files detection module 505 is for detecting described audio program files, be published on server to the complete program of collection, other modules are identical with first device embodiment, repeat no more.
It should be noted that at this, according to the setting of configuration file, can simultaneously output audio live TV stream and audio file, also only can export live TV stream or only export local audio file.
The embodiment of the present invention also proposed a kind of transcoding server, comprises arbitrary described device in the said apparatus technical scheme being no less than.Multiple transcoding device can be run like this on a station server simultaneously, read the audio content of different passage on an equipment.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a method for voice data transcoding, is characterized in that, comprises the following steps:
Obtain the electronic program guide information of audio data stream to be collected;
According to the device channels arranged in the configuration file preset, gather audio signal from the equipment interface corresponding with described device channels;
According to the coded format arranged in the configuration file preset and coding parameter, be the voice data of preset format by described audio-frequency signal coding;
According to the transcoding audio data file memory location that arranges in the configuration file preset and naming rule and described electronic program guide information, described voice data is saved as audio program files;
Direct broadcast server position and live agreement is also comprised in described configuration file;
The described coded format that arranges according to described configuration file and coding parameter, also comprise after being the step of the voice data of preset format by described audio-frequency signal coding:
The direct broadcast server position arranged according to described configuration file and live agreement, send the voice data after described coding to direct broadcast server and carry out live.
2. method according to claim 1, is characterized in that, the step of the electronic program guide information of the audio data stream that described acquisition is to be collected comprises further:
Interval acquiring electronic program guide information electronic program guide information is before upgraded at preset timed intervals.
3. method according to claim 1, it is characterized in that, the described transcoding audio data file memory location that arranges according to preset configuration file and naming rule and described electronic program guide information, comprise further by the step that described voice data saves as audio program files:
Temporary file name is used to preserve to the audio program files generated;
Task terminate rear according to described naming rule rename audio program files.
4. method according to claim 1, it is characterized in that, the transcoding audio data file memory location arranged according to described preset configuration file and naming rule and described electronic program guide information, also comprise step after described voice data being saved as the step of audio program files:
Detect described audio program files, after the program gathered is complete, the program of collection is published on server.
5. the device of a voice data transcoding, it is characterized in that, comprise configuration file and module, electronic program guides acquisition module, audio signal sample module, audio data coding module and audio file preservation module is set, wherein: described electronic program guides acquisition module, for obtaining the electronic program guide information of audio data stream to be collected;
Described audio signal sample module, for according to the device channels arranged in the configuration file preset, gathers audio signal from the equipment interface corresponding with described device channels;
Described audio-frequency signal coding, for according to the coded format arranged in the configuration file preset and coding parameter, is the voice data of preset format by described audio data coding module;
Described audio program files preserves module, for according to the transcoding audio data file memory location arranged in the configuration file preset and naming rule and described electronic program guide information, described voice data is saved as audio program files;
Described device also comprises audio data transmission module, for according to the direct broadcast server position arranged in the configuration file preset and live agreement, sends the voice data after described coding to direct broadcast server and carries out live.
6. device according to claim 5, is characterized in that, described electronic program guides acquisition module is further used for:
Interval acquiring electronic program guide information electronic program guide information is before upgraded at preset timed intervals.
7. device according to claim 5, is characterized in that, described audio program files is preserved module and is further used for: use temporary file name to preserve to the audio program files generated; Task terminate rear according to described naming rule rename audio program files.
8. device according to claim 5, is characterized in that, also comprises audio program files detection module, for detecting described audio program files, after the program gathered is complete, is published on server by the program of collection.
9. a transcoding server, is characterized in that, comprises the arbitrary described device of the claim 5 to 8 being no less than.
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| CN201310069736.XA CN103152605B (en) | 2013-03-05 | 2013-03-05 | A kind of method of voice data transcoding, device and transcoding server |
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| CN201310069736.XA CN103152605B (en) | 2013-03-05 | 2013-03-05 | A kind of method of voice data transcoding, device and transcoding server |
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| CN103152605B true CN103152605B (en) | 2015-09-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103763508B (en) * | 2014-01-13 | 2017-04-19 | 深圳市迪威视讯股份有限公司 | Voice frequency access method for video conference terminal and video conference terminal |
| CN103986592A (en) * | 2014-05-23 | 2014-08-13 | 北京鸿达以太文化发展有限公司 | Multimedia data on-demand system and method for mobile terminal |
| CN108268432B (en) * | 2017-12-14 | 2022-02-01 | 中央电视台 | Program engineering file conversion method and device |
| CN112187776B (en) * | 2020-09-24 | 2022-12-27 | 施耐德电气（中国）有限公司 | Data transmission method, device, terminal, platform and computer storage medium |
| CN114679593B (en) * | 2022-02-09 | 2023-09-22 | 上海哔哩哔哩科技有限公司 | Live broadcast transcoding processing method, device and system |
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| CN1798328A (en) * | 2004-12-30 | 2006-07-05 | 华为技术有限公司 | Implement system and method for customizing content of TV program |
| CN101169794A (en) * | 2006-10-24 | 2008-04-30 | 索尼株式会社 | Database producing method, program, device and image content recording device |
| CN101582919A (en) * | 2009-04-14 | 2009-11-18 | 冯俊秋 | Method and system for playing of Internet television |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030158614A1 (en) * | 2002-02-18 | 2003-08-21 | Friel Joseph T | Audio system for vehicle with battery-backed storage |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798328A (en) * | 2004-12-30 | 2006-07-05 | 华为技术有限公司 | Implement system and method for customizing content of TV program |
| CN101169794A (en) * | 2006-10-24 | 2008-04-30 | 索尼株式会社 | Database producing method, program, device and image content recording device |
| CN101582919A (en) * | 2009-04-14 | 2009-11-18 | 冯俊秋 | Method and system for playing of Internet television |
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Denomination of invention: Method and device for audio data transcoding and transcoding server Effective date of registration: 20151130 Granted publication date: 20150909 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: TVMining (Beijing) Media Technology Co., Ltd. Registration number: 2015990001068 |
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