CN109901811A - Applied to the sound mixing method and device in digitlization court's trial - Google Patents
Applied to the sound mixing method and device in digitlization court's trial Download PDFInfo
- Publication number
- CN109901811A CN109901811A CN201910141304.2A CN201910141304A CN109901811A CN 109901811 A CN109901811 A CN 109901811A CN 201910141304 A CN201910141304 A CN 201910141304A CN 109901811 A CN109901811 A CN 109901811A
- Authority
- CN
- China
- Prior art keywords
- audio
- audio data
- data
- court
- trial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Stereophonic System (AREA)
Abstract
The invention discloses a kind of sound mixing methods and device applied in digitlization court's trial, this method comprises: acquiring the audio data of each spokesman in court trial process；To the audio data of acquisition, the time sheet data of setting duration is extracted every time；The time sheet data Zhong Ge road audio data for setting duration is sorted from large to small by volume, the audio data of the forward setting number of selected and sorted carries out stereo process.The present invention can be while guaranteeing that all spokesman for participating in court's trial have carried out stereo process, reduce the number for participating in the audio data of stereo process, and then the volume of the audio after audio mixing is reduced, it avoids sound too noisy, can satisfy court to the quality requirement of audio.
Description
Technical field
The present invention relates to audio signal processing technique field more particularly to it is a kind of applied to digitlization court's trial in sound mixing method and
Device.
Background technique
Digitizing court's trial system is to meet court trial process according to related standards and specifications and disclose, is just, is efficient, is true, is saturating
Bright requirement breaks time and space factor to the movable limitation of court's trial, with technological means such as Streaming Media, video conferences, most
Limits specification court's trial activity improves court's trial efficiency, provides convenient and fast service for judge, party, the masses, ensures trial procedure
System that is open, efficiently carrying out.
With the application of Streaming Media and video conferencing technology in digitlization court's trial, need in court trial process to more and more
Audio, video data recorded, transmitted and handled.Such as the court's trial activity of a routine, it needs using camera and microphone
It records a video, record to court's trials participants such as judge, party, witnesses in court, for convenience to the audio-video number of recording
According to being stored and being played, need to carry out video data picture synthesis, and audio mixing is carried out to audio data.But some
In big criminal court's trial, it may have more than ten parties, that just needs to carry out the audio mixing at least more than ten tunnels, and current
Sound mixing method it is too simple, only the audio at least more than ten tunnels is overlapped, which results in audio mixing come out audio
Volume is excessive, and sound is too noisy, is unable to satisfy court to the quality requirement of audio.
Summary of the invention
The embodiment of the present invention provides a kind of sound mixing method applied in digitlization court's trial, to reduce the audio after audio mixing
Volume, avoid sound too noisy, this method comprises:
Acquire the audio data of each spokesman in court trial process；
To the audio data of acquisition, the time sheet data of setting duration is extracted every time；
The time sheet data Zhong Ge road audio data for setting duration is sorted from large to small by volume, selected and sorted is forward
Setting number audio data carry out stereo process.
Optionally, before the audio data to the forward setting number that sorts carries out stereo process, flat processing is first carried out.
Optionally, this method further include:
When carrying out stereo process, audio mixing is had neither part nor lot in the last time, this needs the audio data of audio mixing to carry out fading in place
Reason.Optionally, this method further include:
When carrying out stereo process, audio mixing is participated in the last time, this is not involved in the audio data of audio mixing and fades out place into property
Reason.
Optionally, this method further include:
Audio data after stereo process is smoothed.
The embodiment of the present invention also provides a kind of device sound mixing applied in digitlization court's trial, to reduce the sound after audio mixing
The volume of frequency avoids sound too noisy, which includes:
Data acquisition module, for acquiring the audio data of each spokesman in court trial process；
Data extraction module extracts the time sheet data of setting duration for the audio data to acquisition every time；
Stereo process module, for the time sheet data Zhong Ge road audio data of duration will to be set by volume from big to small
The audio data of sequence, the forward setting number of selected and sorted carries out stereo process.
Optionally, the device further include:
Fade in processing module, for having neither part nor lot in audio mixing to the last time, this needs the sound of audio mixing when carrying out stereo process
Frequency is according to carrying out fading in processing.
Optionally, the device further include:
It fades out processing module, for when carrying out stereo process, to last participation audio mixing, this to be not involved in the sound of audio mixing
Frequency is faded out processing according into property.
The embodiment of the present invention also provides a kind of computer equipment, including memory, processor and storage are on a memory simultaneously
The computer program that can be run on a processor, the processor realize the above method when executing the computer program.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
Execute the computer program of the above method.
In the embodiment of the present invention, the audio data of each spokesman in court trial process is acquired, and to the audio data of acquisition,
The time sheet data for extracting setting duration every time will set the time sheet data Zhong Ge road audio data of duration by volume from big
Audio data to small sequence, the forward setting number of selected and sorted carries out stereo process, is guaranteeing all hairs for participating in court's trial
While speech people has carried out stereo process, the number for participating in the audio data of stereo process is reduced, audio mixing is thereby reduced
The volume of audio afterwards avoids sound too noisy, can satisfy court to the quality requirement of audio.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the flow diagram for the sound mixing method being applied in digitlization court's trial in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram for the device sound mixing being applied in digitlization court's trial in the embodiment of the present invention；
Fig. 3 is the specific example figure for the sound mixing method being applied in digitlization court's trial in the embodiment of the present invention.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, with reference to the accompanying drawing to this hair
Bright embodiment is described in further details.Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Digitizing court's trial system is to meet court trial process according to related standards and specifications and disclose, is just, is efficient, is true, is saturating
Bright requirement breaks time and space factor to the movable limitation of court's trial, with technological means such as Streaming Media, video conferences, most
Limits specification court's trial activity improves court's trial efficiency, provides convenient and fast service for judge, party, the masses, ensures trial procedure
System that is open, efficiently carrying out.
With the application of Streaming Media and video conferencing technology in digitlization court's trial, need in court trial process to more and more
Audio, video data recorded, transmitted and handled.Such as the court's trial activity of a routine, it needs using camera and microphone
It records a video, record to court's trials participants such as judge, party, witnesses in court, for convenience to the audio-video number of recording
According to being stored and being played, need to carry out video data picture synthesis, and audio mixing is carried out to audio data.But some
In big criminal court's trial, it may have more than ten parties, that just needs to carry out the audio mixing at least more than ten tunnels, and current
Sound mixing method it is too simple, only the audio at least more than ten tunnels is overlapped, which results in audio mixing come out audio
Volume is excessive, and sound is too noisy, is unable to satisfy court to the quality requirement of audio.
To solve the above-mentioned problems, as shown in Fig. 1, the embodiment of the invention provides one kind to be applied in digitlization court's trial
Sound mixing method, this method comprises:
The audio data of each spokesman in step 101, acquisition court trial process.
Step 102, the audio data to acquisition extract the time sheet data of setting duration every time.
Step 103 is sorted from large to small the time sheet data Zhong Ge road audio data for setting duration by volume, selection
The audio data for the setting number for sorting forward carries out stereo process.
By attached drawing 1 as it can be seen that the sound mixing method provided in an embodiment of the present invention being applied in digitlization court's trial, passes through acquisition front yard
The audio data of each spokesman during examining, and to the audio data of acquisition, the time sheet data of setting duration is extracted every time,
The time sheet data Zhong Ge road audio data for setting duration is sorted from large to small by volume, the forward setting road of selected and sorted
Several audio datas carries out stereo process, while guaranteeing that all spokesman for participating in court's trial have carried out stereo process, drop
The number of the low audio data for participating in stereo process, the volume of the audio after thereby reducing audio mixing avoid sound too noise
It is miscellaneous, it can satisfy court to the quality requirement of audio.
For step 101, each spokesman includes the spokesman at court's trial scene in court trial process, and in internet distal end
Spokesman.
For step 102 and 103, for example, if 16 road audio datas, extract 16 road audio datas every time and exist
Data in 10ms-30ms, and extract volume in 10ms-30ms and come first three or first five audio data, and to this
Three tunnels or five road audio datas carry out stereo process.
In order to avoid when the audio data to the forward setting number that sorts carries out stereo process, a few road audio datas are folded
Add rear sound excessive, can first be carried out at flat before the audio data to the forward setting number that sorts carries out stereo process
Reason.
Specifically, for example, before the audio data for setting number being carried out stereo process, first respectively multiplied by one
Coefficient between 0-1, such as 0.3,0.4, to reduce respective volume.
In embodiments of the present invention, in order to avoid having neither part nor lot in audio mixing to the last time, this need the audio data of audio mixing into
When row stereo process, volume increases suddenly, this method further include:
When carrying out stereo process, audio mixing is had neither part nor lot in the last time, this needs the audio data of audio mixing to carry out fading in place
Reason.
Wherein, fading in processing is the common audio processing mode in this field.For example, can by the road audio data according to
The secondary linear coefficient multiplied by a 0-1, increases the audio data linearly.
In embodiments of the present invention, in order to avoid participating in audio mixing to the last time, this be not involved in the audio data of audio mixing into
When row stereo process, volume suddenly disappears, this method further include:
When carrying out stereo process, audio mixing is participated in the last time, this is not involved in the audio data of audio mixing and fades out place into property
Reason.
Wherein, fading in processing is the common audio processing mode in this field.For example, can by the road audio data according to
The secondary linear coefficient multiplied by (such as 1,0.9,0.8,0.7) a 1-0, reduces the audio data linearly.
In embodiments of the present invention, in order to improve stereo process effect, this method further include:
Audio data after stereo process is smoothed.
Based on the same inventive concept, a kind of audio mixing dress applied in digitlization court's trial is additionally provided in the embodiment of the present invention
It sets, as described in the following examples.Due to the principle that solves the problems, such as of device sound mixing that is applied in digitlization court's trial be applied to
The sound mixing method digitized in court's trial is similar, and therefore, the implementation applied to the device sound mixing in digitlization court's trial may refer to answer
For digitizing the implementation of the sound mixing method in court's trial, overlaps will not be repeated.It is used below, term " unit " or
The combination of the software and/or hardware of predetermined function may be implemented in " module ".Although device is preferably described in following embodiment
It is realized with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
The embodiment of the invention also provides a kind of device sound mixings applied in digitlization court's trial, as shown in Fig. 2, the dress
It sets and includes:
Data acquisition module 201, for acquiring the audio data of each spokesman in court trial process；
Data extraction module 202 extracts the time sheet data of setting duration for the audio data to acquisition every time；
Stereo process module 203, for the time sheet data Zhong Ge road audio data of duration will to be set by volume from big
Audio data to small sequence, the forward setting number of selected and sorted carries out stereo process.
In embodiments of the present invention, the device further include:
Fade in processing module, for having neither part nor lot in audio mixing to the last time, this needs the sound of audio mixing when carrying out stereo process
Frequency is according to carrying out fading in processing.
In embodiments of the present invention, the device further include:
It fades out processing module, for when carrying out stereo process, to last participation audio mixing, this to be not involved in the sound of audio mixing
Frequency is faded out processing according into property.
With a specific example, the present invention will be described below, and as shown in Fig. 3, specific stereo process process is such as
Under:
It determines audio format, audio format is used to the audio format (such as S16) of standard, to avoid adopting for audio is carried out again
Sample；
The audio data for acquiring court's trial scene and/or internet distal end is every road audio number by taking 16 road audio datas as an example
According to appropriately sized buffer area is provided, with circulation storage, covering data；
Detection whether there is audio data at this time, if it is not, the audio data of audio mixing is smoothed,
If so, then extracting 16 road audio datas in 10ms from buffer area, three maximum audios of sound are selected, and insert it into this
The audio list of secondary audio mixing；
Volume adjustment is carried out to three road audio datas of this secondary audio mixing；
The audio list of this audio mixing is compared with the audio list of last time audio mixing, judges the audio column of this audio mixing
Whether there is last time there is no the audio data of audio mixing in table, if so, then carrying out fading in processing operation to the audio data, if do not had
Have, judge in the audio list of this audio mixing whether without last time audio mixing audio data, if it is, to the audio number
According to processing operation of fading out is carried out, otherwise, then audio mixing directly is carried out to three data；
Whether the audio data after judging audio mixing has exceeded maximum value limitation, if it is, maximum audio data is set
Otherwise audio data in this audio mixing list is inserted into the list of last time audio mixing, and to audio mixing by the maximum value after being set to audio mixing
Audio data afterwards is smoothed.
The embodiment of the invention also provides a kind of computer equipments, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor realize the above method when executing computer program.
The embodiment of the invention also provides a kind of computer readable storage medium, computer-readable recording medium storage is held
The computer program of the row above method.
To sum up, the present invention is by the audio data of each spokesman in acquisition court trial process, and to the audio data of acquisition,
The time sheet data for extracting setting duration every time will set the time sheet data Zhong Ge road audio data of duration by volume from big
Audio data to small sequence, the forward setting number of selected and sorted carries out stereo process, is guaranteeing all hairs for participating in court's trial
While speech people has carried out stereo process, the number for participating in the audio data of stereo process is reduced, audio mixing is thereby reduced
The volume of audio afterwards avoids sound too noisy, can satisfy court to the quality requirement of audio.
The present embodiment can also be avoided when the audio data to the forward setting number that sorts carries out stereo process, several roads
Sound is excessive after audio data superposition；It avoids carrying out multiplicating audio mixing；Promote stereo process effect etc..
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of sound mixing method applied in digitlization court's trial characterized by comprising
Acquire the audio data of each spokesman in court trial process；
To the audio data of acquisition, the time sheet data of setting duration is extracted every time；
The time sheet data Zhong Ge road audio data for setting duration is sorted from large to small by volume, selected and sorted is forward to be set
The audio data for determining number carries out stereo process.
2. the method as described in claim 1, which is characterized in that mixed in the audio data to the forward setting number that sorts
Before sound processing, flat processing is first carried out.
3. the method as described in claim 1, which is characterized in that further include:
When carrying out stereo process, audio mixing is had neither part nor lot in the last time, this needs the audio data of audio mixing to carry out fading in processing.
4. the method as described in claim 1, which is characterized in that further include:
When carrying out stereo process, audio mixing is participated in the last time, this is not involved in the audio data of audio mixing and fades out processing into property.
5. the method as described in claim 1, which is characterized in that further include:
Audio data after stereo process is smoothed.
6. a kind of device sound mixing applied in digitlization court's trial characterized by comprising
Data acquisition module, for acquiring the audio data of each spokesman in court trial process；
Data extraction module extracts the time sheet data of setting duration for the audio data to acquisition every time；
Stereo process module, for arranging the time sheet data Zhong Ge road audio data for setting duration from big to small by volume
The audio data of sequence, the forward setting number of selected and sorted carries out stereo process.
7. device as claimed in claim 6, which is characterized in that further include:
Fade in processing module, for having neither part nor lot in audio mixing to the last time, this needs the audio number of audio mixing when carrying out stereo process
According to carrying out fading in processing.
8. device as claimed in claim 6, which is characterized in that further include:
It fades out processing module, for when carrying out stereo process, to last participation audio mixing, this to be not involved in the audio number of audio mixing
It fades out processing according into property.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes any side of claim 1 to 5 when executing the computer program
Method.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has perform claim
It is required that the computer program of 1 to 5 any the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141304.2A CN109901811B (en) | 2019-02-26 | 2019-02-26 | Sound mixing method and device applied to digital court trial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141304.2A CN109901811B (en) | 2019-02-26 | 2019-02-26 | Sound mixing method and device applied to digital court trial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109901811A true CN109901811A (en) | 2019-06-18 |
| CN109901811B CN109901811B (en) | 2022-09-06 |
Family
ID=66945340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910141304.2A Active CN109901811B (en) | 2019-02-26 | 2019-02-26 | Sound mixing method and device applied to digital court trial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109901811B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104836A (en) * | 2020-11-23 | 2020-12-18 | 全时云商务服务股份有限公司 | Audio mixing method, system, storage medium and equipment for audio server |
| CN115942056A (en) * | 2023-03-07 | 2023-04-07 | 共道网络科技有限公司 | Video carousel method, device and equipment in remote court trial and readable storage medium |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050281418A1 (en) * | 2004-06-21 | 2005-12-22 | Waves Audio Ltd. | Peak-limiting mixer for multiple audio tracks |
| CN101179693A (en) * | 2007-09-26 | 2008-05-14 | 深圳市丽视视讯科技有限公司 | Mixed audio processing method of session television system |
| CN101414463A (en) * | 2007-10-19 | 2009-04-22 | 华为技术有限公司 | Method, apparatus and system for encoding mixed sound |
| CN103050124A (en) * | 2011-10-13 | 2013-04-17 | 华为终端有限公司 | Sound mixing method, device and system |
| CN104539816A (en) * | 2014-12-25 | 2015-04-22 | 广州华多网络科技有限公司 | Intelligent voice mixing method and device for multi-party voice communication |
| CN104835520A (en) * | 2015-03-27 | 2015-08-12 | 广州荔支网络技术有限公司 | Mobile equipment recording method and device |
| CN105719653A (en) * | 2016-01-28 | 2016-06-29 | 腾讯科技（深圳）有限公司 | Mixing processing method and device |
| CN106161814A (en) * | 2015-03-24 | 2016-11-23 | 北京视联动力国际信息技术有限公司 | The sound mixing method of a kind of Multi-Party Conference and device |
| CN106973253A (en) * | 2016-01-13 | 2017-07-21 | 华为技术有限公司 | A kind of method and device for adjusting media flow transmission |
| CN107800902A (en) * | 2017-09-15 | 2018-03-13 | 北京容联易通信息技术有限公司 | The sound mixing method and system of multi-path voice |
| CN108881783A (en) * | 2017-05-09 | 2018-11-23 | 腾讯科技（深圳）有限公司 | Realize method and apparatus, computer equipment and the storage medium of multi-conference |
| CN109300482A (en) * | 2018-09-13 | 2019-02-01 | 广州酷狗计算机科技有限公司 | Audio recording method, apparatus, storage medium and terminal |
-
2019
- 2019-02-26 CN CN201910141304.2A patent/CN109901811B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050281418A1 (en) * | 2004-06-21 | 2005-12-22 | Waves Audio Ltd. | Peak-limiting mixer for multiple audio tracks |
| CN101179693A (en) * | 2007-09-26 | 2008-05-14 | 深圳市丽视视讯科技有限公司 | Mixed audio processing method of session television system |
| CN101414463A (en) * | 2007-10-19 | 2009-04-22 | 华为技术有限公司 | Method, apparatus and system for encoding mixed sound |
| CN103050124A (en) * | 2011-10-13 | 2013-04-17 | 华为终端有限公司 | Sound mixing method, device and system |
| CN104539816A (en) * | 2014-12-25 | 2015-04-22 | 广州华多网络科技有限公司 | Intelligent voice mixing method and device for multi-party voice communication |
| CN106161814A (en) * | 2015-03-24 | 2016-11-23 | 北京视联动力国际信息技术有限公司 | The sound mixing method of a kind of Multi-Party Conference and device |
| CN104835520A (en) * | 2015-03-27 | 2015-08-12 | 广州荔支网络技术有限公司 | Mobile equipment recording method and device |
| CN106973253A (en) * | 2016-01-13 | 2017-07-21 | 华为技术有限公司 | A kind of method and device for adjusting media flow transmission |
| CN105719653A (en) * | 2016-01-28 | 2016-06-29 | 腾讯科技（深圳）有限公司 | Mixing processing method and device |
| CN108881783A (en) * | 2017-05-09 | 2018-11-23 | 腾讯科技（深圳）有限公司 | Realize method and apparatus, computer equipment and the storage medium of multi-conference |
| CN107800902A (en) * | 2017-09-15 | 2018-03-13 | 北京容联易通信息技术有限公司 | The sound mixing method and system of multi-path voice |
| CN109300482A (en) * | 2018-09-13 | 2019-02-01 | 广州酷狗计算机科技有限公司 | Audio recording method, apparatus, storage medium and terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104836A (en) * | 2020-11-23 | 2020-12-18 | 全时云商务服务股份有限公司 | Audio mixing method, system, storage medium and equipment for audio server |
| CN115942056A (en) * | 2023-03-07 | 2023-04-07 | 共道网络科技有限公司 | Video carousel method, device and equipment in remote court trial and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109901811B (en) | 2022-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9319821B2 (en) | Method, an apparatus and a computer program for modification of a composite audio signal | |
| CN107911646B (en) | Method and device for sharing conference and generating conference record | |
| US6829018B2 (en) | Three-dimensional sound creation assisted by visual information | |
| CN101502089B (en) | Method for carrying out an audio conference, audio conference device, and method for switching between encoders | |
| US7257231B1 (en) | Stream segregation for stereo signals | |
| CN108366216A (en) | TV news recording, record and transmission method, device and server | |
| CN105072189B (en) | A kind of desktop area sharing method and system | |
| KR20160119218A (en) | Sound image playing method and device | |
| US10141011B2 (en) | Conversation quality analysis | |
| CN109901811A (en) | Applied to the sound mixing method and device in digitlization court's trial | |
| CN109859753A (en) | Voice-activated method and device applied to digital court | |
| Rudzki et al. | Perceptual evaluation of bitrate compressed ambisonic scenes in loudspeaker based reproduction | |
| DE102012214611B4 (en) | Improved sound quality in conference calls | |
| CN112752037A (en) | Processing method and device for mixed audio and video stream | |
| CN112839195A (en) | Method and device for consulting meeting record, computer equipment and storage medium | |
| WO2019042217A1 (en) | Video editing method and terminal | |
| CN110620986B (en) | Scheduling method and device of audio processing algorithm, audio processor and storage medium | |
| CN104392744A (en) | Method and apparatus for recording voice frequency | |
| CN114762039A (en) | Conference data processing method and related equipment | |
| JP2005338402A (en) | Speech recording system, sound recording device, speech analyzing device, speech recording method, and program | |
| US8963989B2 (en) | Data distribution apparatus, data distribution method, and program | |
| DE102011003450A1 (en) | Generation of user-adapted signal processing parameters | |
| CN111243594A (en) | Method and device for converting audio frequency into characters | |
| CN106131355B (en) | A kind of sound playing method and device | |
| US9723424B2 (en) | Making available a sound signal for higher order ambisonics signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100094 5 floor 101, 6 building, No. 3, Fung Xiu Road, Haidian District, Beijing. Applicant after: Beijing Huaxia Dentsu Technology Co.,Ltd. Address before: 100094 5 floor 101, 6 building, No. 3, Fung Xiu Road, Haidian District, Beijing. Applicant before: CHINASYS TECHNOLOGIES Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |