CN110493636A - Audio-video adjusting method, device, terminal device and storage medium - Google Patents
Audio-video adjusting method, device, terminal device and storage medium Download PDFInfo
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- CN110493636A CN110493636A CN201910812058.9A CN201910812058A CN110493636A CN 110493636 A CN110493636 A CN 110493636A CN 201910812058 A CN201910812058 A CN 201910812058A CN 110493636 A CN110493636 A CN 110493636A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4852—End-user interface for client configuration for modifying audio parameters, e.g. switching between mono and stereo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to a kind of audio-video adjusting method, device, terminal device and storage mediums, applied to audio adjustment technology field, this method comprises: obtaining the default scene audio parameter threshold of audio-video document and target playback equipment to be played, wherein, the default scene audio parameter threshold is determined by broadcasting scene；The audio-video document is parsed, to obtain the audio frequency parameter of the audio-video document；Using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment；The audio frequency parameter to be regulated and the default scene audio parameter threshold are subjected to operation, obtain the regulating allocation parameter of the target playback equipment；According to the audio frequency parameter to be regulated of regulating allocation parameter regulation target playback equipment, so that target playback equipment plays the audio-video document.By above technical scheme, in playing audio-video document, the purpose that can automatically adjust playback equipment audio frequency parameter is not only realized, also improves the precision of playback equipment adjustment.
Description
Technical field
The present invention relates to audio adjustment technology fields, and in particular to a kind of audio-video adjusting method, device, terminal device and
Storage medium.
Background technique
With the rapid development of Streaming Media, more and more audio-video documents are uploaded on steaming media platform by people, with
It is downloaded and plays for other users.However, since all audio-video documents are during upload, it all can be through overcompression again
It uploads, therefore, the audio frequency parameter for being uploaded audio-video document can change, and different steaming media platforms are to audio-video document pressure
The standard of contracting is different, and the original audio-video document audio that different user uploads also is different, and leads to the sound of audio-video document
Frequency parameter differences are larger.
In the prior art, steaming media platform LUFS (Loudness units relative to Full Scale,
Volume unit relative to full size) it is generally -23LUFS or -16LUFS, which is generally suitable for handheld terminal and sets
Audio-video document on standby playing stream media platform, if desired plays on speaker or other equipment, then the audio loudness value is remote
It is not nearly enough, need the external playback equipment with power amplification function.In addition, on the playback equipment with power amplification function
Before playing all kinds of audio-video documents, it is also necessary to which fixed audio frequency parameter is set, due to the audio frequency parameter of each audio-video document
It differs greatly, reaches good unified result of broadcast to meet each audio-video document, when switching playing audio-video document,
Need manually to be adjusted playback equipment or cooperate the tuner of profession to implement to adjust, it is not only cumbersome,
And the accuracy manually adjusted is not high, is unable to reach ideal result of broadcast.
Summary of the invention
In view of this, a kind of audio-video adjusting method, device, terminal device and storage medium are provided, to solve existing skill
In art, the problem of audio frequency parameter of playback equipment is unable to adjust automatically in playing audio-video document.
In order to achieve the above object, the present invention adopts the following technical scheme:
In a first aspect, using a kind of audio-video adjusting method, this method comprises: obtaining audio-video document and mesh to be played
Mark the default scene audio parameter threshold of playback equipment, wherein the default scene audio parameter threshold is determined by broadcasting scene；
The audio-video document is parsed, to obtain the audio frequency parameter of the audio-video document；Using the audio frequency parameter as the target
The audio frequency parameter to be regulated of playback equipment；The audio frequency parameter to be regulated and the default scene audio parameter threshold are transported
It calculates, obtains the regulating allocation parameter of the target playback equipment；It is set according to the broadcasting of target described in the regulating allocation parameter regulation
Standby audio frequency parameter to be regulated, so that target playback equipment plays the audio-video document.
Second aspect, using a kind of audio-video regulating device, the device include: audio-video obtain module, for obtain to
The audio-video document of broadcasting and the default scene audio parameter threshold of target playback equipment, wherein the default scene audio ginseng
Number threshold value is determined by broadcasting scene；Audio-video parsing module, for parsing the audio-video document, to obtain the audio-video text
The audio frequency parameter of part；Parameter determination module, for using the audio frequency parameter as the audio to be regulated of the target playback equipment
Parameter；Parameter computing module, for the audio frequency parameter to be regulated and the default scene audio parameter threshold to be carried out operation,
Obtain the regulating allocation parameter of the target playback equipment；Parameter adjustment module, for according to the regulating allocation parameter regulation
The audio frequency parameter to be regulated of the target playback equipment, so that the target playback equipment plays the audio-video document.
The third aspect, using a kind of terminal device, which includes: processor, and is connected with the processor
The memory connect；The memory is for storing computer program, and the computer program is for executing described in first aspect
Audio-video adjusting method；The processor is for calling and executing the computer program in the memory.
Fourth aspect, using a kind of storage medium, the storage medium is stored with computer program, the computer program
When being executed by processor, each step in audio-video adjusting method as described in relation to the first aspect is realized.
The invention adopts the above technical scheme, in playing audio-video document, obtains audio-video document to be played first,
The default scene audio parameter threshold of target playback equipment is determined further according to broadcasting scene；Again by parsing the audio-video text
Part obtains the audio frequency parameter of the audio-video document；Join the audio frequency parameter as the audio to be regulated of target playback equipment
Number；Operation is carried out to the audio frequency parameter to be regulated and the default scene audio parameter threshold, the target broadcasting is obtained and sets
The standby regulating allocation parameter for needing to adjust；According to target playback equipment described in the regulating allocation parameter regulation, so as to be played
Audio-video document can adapt to the play parameter of target playback equipment, and play the audio-video document.Pass through the above technology
Scheme does not need to manually adjust playback equipment when switching playing audio-video document, and it is not necessary to modify or adjustment audio file,
The maximum limitation for breaching the adjusting of software audio, realizes the control that audio customizes in playing process, and operation is more convenient, and
And by calculating regulating allocation parameter according to different audio frequency parameters, and then target playback equipment is adjusted, not only realizing can
The purpose of adjust automatically playback equipment audio frequency parameter, and the precision of playback equipment adjustment is also improved, reach and has more managed
The result of broadcast thought.
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.
Fig. 1 is a kind of flow chart of audio-video adjusting method provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of audio-video adjusting method flow chart；
Fig. 3 is a kind of structural schematic diagram for audio-video regulating device that further embodiment of this invention provides；
Fig. 4 is that yet another embodiment of the invention provides a kind of structural schematic diagram of terminal device.
Appended drawing reference:
Audio-video obtains module -301, audio-video parsing module -302, parameter determination module -303, parameter computing module -
304, parameter adjustment module -305, processor -401, memory -402.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment
Fig. 1 is a kind of flow chart of audio-video adjusting method provided in an embodiment of the present invention, and this method can be by the present invention
The audio-video regulating device that embodiment provides executes, and the mode which can be used software and/or hardware realizes.With reference to Fig. 1,
This method can specifically include following steps:
S101, the default scene audio parameter threshold for obtaining audio-video document and target playback equipment to be played, wherein
The default scene audio parameter threshold is determined by broadcasting scene.
Specifically, in a kind of audio-video adjusting method provided in an embodiment of the present invention, with a specific example come into
Row explanation, when user's click play audio-video document on computers, the controller of computer can obtain sound view to be played first
Frequency file, to analyze in advance audio-video document to be played, further, since different broadcasting scenes have it is different
Audio frequency parameter is played, for example, needing to increase the audio ginseng of playback equipment under the outdoor environments such as square when playing audio-video document
Number, the default scene audio parameter threshold of playback equipment can be bigger than normal at this time；In the environment of indoors when playing audio-video document, this
When playback equipment audio frequency parameter of audio frequency parameter when can be than outdoor broadcasting it is smaller, therefore, in playback equipment playing audio-video text
Before part, computer can determine the default scene audio parameter threshold of playback equipment according to currently playing scene, according to default scene
Audio frequency parameter threshold value is adjusted playback equipment.Before being played can by way of bluetooth or data line, by computer with
The playback equipments such as high-power speaker connection, so that data transmission is more rapidly stable.
S102, the parsing audio-video document, to obtain the audio frequency parameter of the audio-video document.
Specifically, in the present embodiment, after user's click play key, so that computer obtains audio-video text to be played
Part, computer can parse the audio-video document, pass through parsing during audio-video document to be played is read in load
Obtain the audio frequency parameter of the audio-video document, wherein audio frequency parameter can be sound effect parameters.Because in actual application,
Audio-video document is either downloaded from Streaming Media or user uploads on computer oneself, and audio-video document is all
It has passed through compression processing, so that the audio frequency parameter of audio-video document has different degrees of loss, and due on different Streaming Medias
Compression standard it is different so that the audio frequency parameter of each audio-video document differs greatly, therefore, in playing audio-video document,
It needs to parse audio-video document, obtains the audio frequency parameter of audio-video document, according to the audio of audio-video document to be played
The default scene audio parameter threshold of parameter and target playback equipment, is adjusted playback equipment.
S103, using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment.
Specifically, in actual application, since the audio frequency parameter that each audio-video document parses is fixed
, the audio frequency parameter of audio-video document itself can not be adjusted, the audio frequency parameter of playback equipment, therefore, In can only be adjusted
Before being adjusted to playback equipment, first the audio frequency parameter for parsing audio-video document is matched with playback equipment, it will
To be regulated audio frequency parameter of the audio frequency parameter of audio-video document as target playback equipment, further according to the default of target playback equipment
Audio frequency parameter to be played is adjusted in scene audio parameter threshold, is adjusted with reaching according to the audio frequency parameter of audio-video document
The purpose of the audio frequency parameter of target playback equipment finally realizes ideal result of broadcast.
S104, the audio frequency parameter to be regulated and the default scene audio parameter threshold are subjected to operation, obtained described
The regulating allocation parameter of target playback equipment.
Specifically, in the present embodiment, since the audio frequency parameter to be regulated of target playback equipment is audio-video document
Therefore audio frequency parameter according to the audio frequency parameter to be regulated and the default scene audio parameter threshold, is guaranteeing audio-video text
Under the conditions of part broadcasting is distortionless, so that target playback equipment plays audio-video text according to default scene audio parameter threshold
Part finally obtains the regulating allocation parameter of target playback equipment, during actually calculating, can use in the prior art
Big data algorithm is based on big data technology, calculates audio frequency parameter, other algorithms can also be used, for example, according to parsing
The audio frequency parameter that audio-video document obtains determines in audio frequency parameter in the case where not influencing audio-video document broadcasting distortion
The regulated quantity of loudness numerical value obtains the high and low sound number of the audio-video document by the regulated quantity of loudness numerical value multiplied by some coefficient
Value observes the peak value of audio-video document according to high and low sound numerical value, and the peak value in the peak value and default scene audio parameter is carried out
Compare, whether excessive judge difference, if difference is excessive, target playback equipment is adjusted, it is made to meet playing condition, it will
Regulated quantity is as the regulating allocation parameter that target playback equipment is adjusted.
The audio frequency parameter to be regulated of S105, the target playback equipment according to the regulating allocation parameter regulation, so that institute
It states target playback equipment and plays the audio-video document.
Specifically, after obtaining regulating allocation parameter according to audio frequency parameter to be regulated and default scene audio parameter threshold, electricity
The controller at brain end sends regulating allocation parameter in target playback equipment, by the controller in target playback equipment according to meter
The regulating allocation parameter of calculating adjusts target playback equipment, i.e., the audio frequency parameter to be regulated of target playback equipment is adjusted,
Under the conditions of guaranteeing that audio-video document plays distortionless, playback equipment is enable to play according to default scene audio parameter threshold
Audio-video document automatically switches to play next audio-video document when audio-video document to be played plays, more than execution
Step is not necessarily to manual intervention, to realize the purpose of automatic adjustment playback equipment audio frequency parameter, reaches ideal result of broadcast.
The invention adopts the above technical scheme, in playing audio-video document, obtains audio-video document to be played first,
The default scene audio parameter threshold of target playback equipment is determined further according to broadcasting scene；Again by parsing the audio-video text
Part obtains the audio frequency parameter of the audio-video document；Join the audio frequency parameter as the audio to be regulated of target playback equipment
Number；Operation is carried out to the audio frequency parameter to be regulated and the default scene audio parameter threshold, the target broadcasting is obtained and sets
The standby regulating allocation parameter for needing to adjust；According to target playback equipment described in the regulating allocation parameter regulation, so as to be played
Audio-video document can adapt to the play parameter of target playback equipment, and play the audio-video document.Pass through the above technology
Scheme does not need to manually adjust playback equipment, operation is more convenient, and passes through basis when switching playing audio-video document
Different audio frequency parameters calculate regulating allocation parameter, and then adjust target playback equipment, not only realize can adjust automatically broadcast
The purpose of equipment audio frequency parameter is put, and also improves the precision of playback equipment adjustment, has reached more ideal and has played effect
Fruit.
In the above-described embodiments, target playback equipment is adjusted according to the sound effect parameters of audio-video document, is to broadcast
Before playback video file, the adjusting to target playback equipment would have been completed, when target playback equipment playing audio-video text
When part, it need to only be played according to the parameter regulated.In addition, by a kind of audio-video adjusting side provided in an embodiment of the present invention
Method can also be adjusted target playback equipment in playing process during practical application, specifically, can set
A preset time threshold is set, which is determined by the play time of audio-video document, therefore, in above-described embodiment
Audio frequency parameter can also be preset time threshold parameter.It is illustrated with specific example, preset time threshold can
To be 1min, obtain audio-video document to be played first, through the foregoing embodiment in audio-video adjusting method, calculate tune
Configuration parameter is saved, since preset time threshold is 1min, target playback equipment is not adjusted first, target broadcasting is set
It is standby first to be played out according to the audio frequency parameter of audio-video document in playing audio-video document, when target playback equipment plays sound
When the time of video file is equal to or more than 1min, at this time further according to regulating allocation parameter regulation target playback equipment.By setting
Preset time threshold is set, the time of decision target playback equipment adjusting that can be more convenient according to broadcasting scene and plays feelings
Condition freely determines the regulating time and regulating allocation parameter of target playback equipment.
Fig. 2 be another embodiment of the present invention provides a kind of audio-video adjusting method flow chart, the present embodiment is upper
Refinement on the basis of stating embodiment, to step each in above-described embodiment progress.With reference to Fig. 2, this method be can specifically include
Following steps:
S201, the playing request for receiving user identify the audio-video document to be played according to the playing request.
Specifically, in the present embodiment, when user needs playing audio-video document, mouse or finger can be passed through first
The beginning broadcasting button on computer screen is clicked, computer receives the playing request of user, further according to playing request using existing
OCR (Optical Character Recognition, optical character identification) technology in technology, to audio-video document title
In text information identified, determine the title of audio-video document to be played, by operating above, playing audio-video text
When part, the accuracy of file identification can be improved, prevent the audio-video document information played back and user from wanting the sound played
Video file is not inconsistent.
S202, the default scene audio parameter threshold for obtaining audio-video document and target playback equipment to be played, wherein
The default scene audio parameter threshold is determined by broadcasting scene.
S203, audio analysis software is called, the audio-video document is parsed, to obtain the audio frequency parameter.
Specifically, in actual application, after obtaining audio-video document to be played, can be controlled by computer
Device calls audio analysis software in the prior art to analyze audio-video document, obtains audio frequency parameter, wherein audio parsing
Software can use R128GAIN software, which is a kind of audio loudness scanner, can be scanned to audio-video document,
To obtain the audio frequency parameter of audio-video document, in the present embodiment, by using audio analysis software in the prior art, benefit
It with the efficient parsing function of high-performance processor in analysis software, can quickly analyze to obtain audio frequency parameter, can accelerate to adjust
The process of playback equipment.
S204, using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment.
S205, the difference for calculating the audio frequency parameter to be regulated and the default scene audio parameter threshold.
Specifically, being obtained due to using audio frequency parameter as the audio frequency parameter to be regulated of target playback equipment according to parsing
The audio frequency parameter of audio-video document and the default scene audio parameter threshold of playback equipment, are adjusted playback equipment, therefore,
In the present embodiment, to the operation of audio frequency parameter to be regulated and default scene audio parameter threshold, it can be calculating between the two
Difference, do not influence audio-video document play distortion under the premise of, can using the difference being calculated as adjust broadcasting set
Standby regulating allocation parameter, to reach the result of broadcast for playing scene.
If S206, the difference are less than preset difference value threshold value, the tune of the target playback equipment is taked the difference as
Save configuration parameter.
Specifically, in actual application, since the audio frequency parameter of each audio-video document is irregular, and different fields
Default scene audio parameter threshold under scape is also different, therefore, according to audio frequency parameter to be regulated and default scene audio parameter
The difference that threshold calculations obtain it is not of uniform size, in the present embodiment, due to using the audio frequency parameter of audio-video document as target
Therefore the audio frequency parameter to be regulated of playback equipment when audio frequency parameter and smaller default scene audio parameter threshold difference, obtains
Difference it is also smaller, and actually reconcile during, the audio frequency parameter of each audio-video document has certain variation model
It encloses, makes the audio frequency parameter of audio-video document played back beyond variation range if adjusting playback equipment, will appear sound view
Frequency file plays the case where distortion, compromises sound quality, therefore, also needs to be arranged one in the audio-video adjusting method of the present embodiment
A preset difference value threshold value, the preset difference value threshold value it is to be understood that audio-video document maximum changing value, i.e. preset difference value threshold value
It is determined by audio-video document itself.When the difference of calculating is less than preset difference value threshold value, show that the playback equipment after adjusting is being broadcast
The case where being not in distortion when playback video file, or in the acceptable distortion range of human ear, therefore, using the difference as
Regulating allocation parameter, is adjusted target playback equipment.
If S207, the difference are greater than or equal to preset difference value threshold value, using the preset difference value threshold value as the mesh
Mark the regulating allocation parameter of playback equipment.
Specifically, if calculated difference is greater than or equal to preset difference value threshold value, being indicated if pressed with the principle in S206
Target playback equipment is adjusted according to difference, then has exceeded the maximum changing range of audio frequency parameter, it may appear that audio-video document plays
The case where distortion, therefore, when the difference of audio frequency parameter to be regulated and default scene audio parameter threshold is more than preset difference value threshold value
When, using preset difference value threshold value as the regulating allocation parameter of target playback equipment, it is undistorted can to guarantee that audio-video document plays
Under the conditions of, so that the effect that playback equipment plays back is more in line with the audio frequency parameter of currently playing scene.
S208, the regulating allocation parameter is sent to the target playback equipment.
Specifically, the regulating allocation parameter being calculated is sent to mesh by wire transmission or wireless transmission method by computer
Playback equipment is marked, and is adjusted according to regulating allocation parameters on target playback equipment, enables target playback equipment accurate
Ground is according to the audio frequency parameter playing audio-video document after adjusting, to reach the mesh of the audio frequency parameter of automatic adjustment target playback equipment
, finally realize ideal result of broadcast.
S209, audio decoder is called, audio signal is sent to the target playback equipment by the audio decoder.
Specifically, in actual application, is calculating regulating allocation parameter and adjusting the audio ginseng of target playback equipment
While number, it is also necessary to call audio decoder in the prior art, by way of soft decoding or hard decoder, obtain digital sound
Frequency signal, wherein obtained digital audio and video signals can be transmitted directly to target playback equipment；Digital audio can also be believed
Number it is converted into analog audio signal, then analog audio signal is sent to target playback equipment, by target playback equipment by mould
Quasi- audio signal plays back.Wherein, the mode for sending audio signal can be wire transmission, by Audio Data Line by audio
Decoder is attached with target playback equipment, is also possible to pass through bluetooth or WiFi (Wireless using wireless transmission method
Fidelity, Wireless Fidelity) form connection.
The audio frequency parameter to be regulated of S210, the target playback equipment according to the regulating allocation parameter regulation, so that institute
It states target playback equipment and plays the audio-video document.
It should be noted that in the present embodiment, S206 is to judge the case where difference is less than preset difference value threshold value, and S207 is
Judge the case where difference is greater than or equal to preset difference value threshold value, and in actual application, be either less than or greater than etc.
In the no sequencing of the judgement of the two illustrates only in Fig. 2 of the present embodiment and first judges that difference is less than preset difference value threshold
The case where value, judges the case where difference is greater than or equal to preset difference value threshold value afterwards, and it is default poor first to judge that difference is greater than or equal to
The case where being worth threshold value judge that the case where difference is less than preset difference value threshold value is not shown in FIG. 2 afterwards.
The invention adopts the above technical scheme, and mainly by receiving the playing request of user, audio-video document can be improved
Resolution, call audio analysis software parse to obtain audio frequency parameter, improve the efficiency of adjusting, calculate regulating allocation parameter
When, by the preset difference value threshold value of setting according to the audio frequency parameter of different audio-video file, it is ensured that audio-video document is being broadcast
Do not occur the case where distortion when putting, ensure that the play sound effect of audio-video document, and according to different audio frequency parameters, realizes automatic adjust
The purpose for the audio frequency parameter that section playback equipment plays back.
Further, the audio frequency parameter include: audio peak, loudness yield value, bass gain value, middle pitch yield value and
Treble gain value.
Specifically, in a practical situation, parsing audio frequency parameter that audio-video document obtains by audio analysis software can be with
It is loudness yield value, the size of loudness yield value representative voice, in the present embodiment, default scene audio parameter threshold specifically may be used
To be default scene audio loudness threshold；Audio frequency parameter is also possible to audio peak, indicates the attainable loudness of audio highest；Also
Bass gain value, middle pitch yield value and the treble gain value that can be audio, by detecting a variety of audio frequency parameters, so that adjusting
More accurately target playback equipment can be adjusted in the process, improve the precision of adjusting.In addition, according to audio frequency parameter
Obtained regulating allocation parameter can be audio peak, loudness yield value, bass gain value, middle pitch yield value and treble gain
Value, is also possible to the input gain value and output attenuatoin value of target playback equipment.
Fig. 3 is a kind of structural schematic diagram for audio-video regulating device that further embodiment of this invention provides, which is applicable in
In a kind of audio-video adjusting method that the execution embodiment of the present invention is supplied to.As shown in figure 3, the device can specifically include: sound
Video acquiring module 301, audio-video parsing module 302, parameter determination module 303, parameter computing module 304, parameter regulation mould
Block 305, in which:
Audio-video obtains module 301, for obtaining the default scene of audio-video document and target playback equipment to be played
Audio frequency parameter threshold value, wherein the default scene audio parameter threshold is determined by broadcasting scene.
Audio-video parsing module 302, for parsing the audio-video document, to obtain the audio ginseng of the audio-video document
Number.
Parameter determination module 303, for joining the audio frequency parameter as the audio to be regulated of the target playback equipment
Number.
Parameter computing module 304, for by the audio frequency parameter to be regulated and the default scene audio parameter threshold into
Row operation obtains the regulating allocation parameter of the target playback equipment.
Parameter adjustment module 305, for the to be regulated of the target playback equipment according to the regulating allocation parameter regulation
Audio frequency parameter, so that the target playback equipment plays the audio-video document.
It further, further include audio identification module, for being set in acquisition audio-video document to be played and target broadcasting
Before standby default scene audio parameter threshold, receive the playing request of user, it is described wait broadcast according to playing request identification
The audio-video document put.
Further, audio-video parsing module 302 includes: the first calling module, is specifically used for calling audio analysis software,
The audio-video document is parsed, to obtain the audio frequency parameter.
Further, parameter computing module 304 includes: difference operation submodule, is specifically used for calculating the sound to be regulated
The difference of frequency parameter and the default scene audio parameter threshold；Difference judging submodule, if being less than specifically for the difference
Preset difference value threshold value then takes the difference as the regulating allocation parameter of the target playback equipment；If the difference be greater than or
Equal to preset difference value threshold value, then using the preset difference value threshold value as the regulating allocation parameter of the target playback equipment.
Further, further includes: parameter sending module, for by the audio frequency parameter to be regulated and the default scene
Audio frequency parameter threshold value carries out operation and joins the regulating allocation after obtaining the regulating allocation parameter of the target playback equipment
Number is sent to the target playback equipment.
Further, further includes: the second calling module, for being broadcast in the target according to the regulating allocation parameter regulation
The audio frequency parameter to be regulated of equipment is put, so as to call audio solution before the target playback equipment plays the audio-video document
Code device sends audio signal to the target playback equipment by the audio decoder.
Further, the audio frequency parameter include: audio peak, loudness yield value, input gain value, output attenuatoin value,
Bass gain value, middle pitch yield value and treble gain value.
The audio-video tune that any embodiment of that present invention provides can be performed in audio-video regulating device provided in an embodiment of the present invention
Section method has the corresponding functional module of execution method and beneficial effect.
Fig. 4 is that yet another embodiment of the invention provides a kind of structural schematic diagram of terminal device, as shown in figure 4, the terminal is set
It is standby to include:
Processor 401, and the memory 402 being connected with processor 401；Memory 402 is for storing computer journey
Sequence, the computer program are used to execute the audio-video adjusting method in the above embodiment of the present invention；Processor 401 is for calling
And the computer program in the memory 402 is executed, above-mentioned audio-video adjusting method at least includes the following steps:
Obtain the default scene audio parameter threshold of audio-video document and target playback equipment to be played, wherein described
Default scene audio parameter threshold is determined by broadcasting scene；The audio-video document is parsed, to obtain the audio-video document
Audio frequency parameter；Using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment；By the audio to be regulated
Parameter and the default scene audio parameter threshold carry out operation, obtain the regulating allocation parameter of the target playback equipment；Root
According to the audio frequency parameter to be regulated of target playback equipment described in the regulating allocation parameter regulation, so that target playback equipment plays institute
State audio-video document.
The embodiment of the present invention also provides a kind of storage medium, and the storage medium is stored with computer program, the calculating
When machine program is executed by processor 401, each step in the audio-video adjusting method provided in such as embodiment of the present invention is realized, it should
Audio-video adjusting method at least includes the following steps:
Obtain the default scene audio parameter threshold of audio-video document and target playback equipment to be played, wherein described
Default scene audio parameter threshold is determined by broadcasting scene；The audio-video document is parsed, to obtain the audio-video document
Audio frequency parameter；Using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment；By the audio to be regulated
Parameter and the default scene audio parameter threshold carry out operation, obtain the regulating allocation parameter of the target playback equipment；Root
According to the audio frequency parameter to be regulated of target playback equipment described in the regulating allocation parameter regulation, so that target playback equipment plays institute
State audio-video document.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of audio-video adjusting method characterized by comprising
Obtain the default scene audio parameter threshold of audio-video document and target playback equipment to be played, wherein described default
Scene audio parameter threshold is determined by broadcasting scene；
The audio-video document is parsed, to obtain the audio frequency parameter of the audio-video document；
Using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment；
The audio frequency parameter to be regulated and the default scene audio parameter threshold are subjected to operation, the target broadcasting is obtained and sets
Standby regulating allocation parameter；
According to the audio frequency parameter to be regulated of target playback equipment described in the regulating allocation parameter regulation, so that the target plays
Audio-video document described in device plays.
2. audio-video adjusting method according to claim 1, which is characterized in that obtain audio-video document to be played and
Before the default scene audio parameter threshold of target playback equipment, further includes:
The playing request for receiving user identifies the audio-video document to be played according to the playing request.
3. audio-video adjusting method according to claim 1, which is characterized in that the parsing audio-video document, with
Obtain the audio frequency parameter of the audio-video document, comprising:
Audio analysis software is called, the audio-video document is parsed, to obtain the audio frequency parameter.
4. audio-video adjusting method according to claim 1, which is characterized in that it is described by the audio frequency parameter to be regulated and
The default scene audio parameter threshold carries out operation, obtains the regulating allocation parameter of the target playback equipment, comprising:
Calculate the difference of the audio frequency parameter to be regulated Yu the default scene audio parameter threshold；
If the difference is less than preset difference value threshold value, the regulating allocation ginseng of the target playback equipment is taked the difference as
Number；
If the difference is greater than or equal to preset difference value threshold value, using the preset difference value threshold value as the target playback equipment
Regulating allocation parameter.
5. audio-video adjusting method according to claim 1, which is characterized in that by the audio frequency parameter to be regulated and institute
It states default scene audio parameter threshold and carries out operation, after obtaining the regulating allocation parameter of the target playback equipment, further includes:
The regulating allocation parameter is sent to the target playback equipment.
6. audio-video adjusting method according to claim 1, which is characterized in that according to the regulating allocation parameter regulation
The audio frequency parameter to be regulated of the target playback equipment, so that before the target playback equipment plays the audio-video document,
Further include:
Audio decoder is called, audio signal is sent to the target playback equipment by the audio decoder.
7. audio-video adjusting method according to claim 1, which is characterized in that the audio frequency parameter include: audio peak,
Loudness yield value, bass gain value, middle pitch yield value and treble gain value.
8. a kind of audio-video regulating device, which is characterized in that described device includes:
Audio-video obtains module, for obtaining the default scene audio parameter of audio-video document and target playback equipment to be played
Threshold value, wherein the default scene audio parameter threshold is determined by broadcasting scene；
Audio-video parsing module, for parsing the audio-video document, to obtain the audio frequency parameter of the audio-video document；
Parameter determination module, for using the audio frequency parameter as the audio frequency parameter to be regulated of the target playback equipment；
Parameter computing module, for the audio frequency parameter to be regulated and the default scene audio parameter threshold to be carried out operation,
Obtain the regulating allocation parameter of the target playback equipment；
Parameter adjustment module, the audio to be regulated for the target playback equipment according to the regulating allocation parameter regulation are joined
Number, so that the target playback equipment plays the audio-video document.
9. a kind of terminal device characterized by comprising
Processor, and the memory being connected with the processor；
The memory is at least used for perform claim and requires any one of 1-7 for storing computer program, the computer program
The audio-video adjusting method；
The processor is for calling and executing the computer program in the memory.
10. a kind of storage medium, which is characterized in that the storage medium is stored with computer program, the computer program quilt
When processor executes, realize such as each step in the described in any item audio-video adjusting methods of claim 1-7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261470A (en) * | 2020-10-21 | 2021-01-22 | 维沃移动通信有限公司 | Audio processing method and device |
| CN115102931A (en) * | 2022-05-20 | 2022-09-23 | 阿里巴巴（中国）有限公司 | Method for adaptively adjusting audio delay and electronic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999492A (en) * | 2011-09-08 | 2013-03-27 | 百度在线网络技术（北京）有限公司 | Method and device for adjusting volume of media file |
| CN103456334A (en) * | 2012-06-01 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Method and device for playing audio file |
| CN103701419A (en) * | 2013-12-06 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Volume regulating method and device |
| CN107526568A (en) * | 2017-08-18 | 2017-12-29 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| CN108647005A (en) * | 2018-05-15 | 2018-10-12 | 努比亚技术有限公司 | Audio frequency playing method, mobile terminal and computer readable storage medium |
| CN109375893A (en) * | 2018-11-20 | 2019-02-22 | 北京小米移动软件有限公司 | Audio frequency playing method and device |
| CN109508170A (en) * | 2018-12-15 | 2019-03-22 | 深圳壹账通智能科技有限公司 | Volume setting method, device, computer equipment and storage medium |
| CN109547848A (en) * | 2018-11-23 | 2019-03-29 | 北京达佳互联信息技术有限公司 | Loudness method of adjustment, device, electronic equipment and storage medium |
| DE102017218483A1 (en) * | 2017-10-16 | 2019-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | METHOD FOR ADJUSTING PARAMETERS FOR INDIVIDUAL ADJUSTMENT OF AN AUDIO SIGNAL |
-
2019
- 2019-08-30 CN CN201910812058.9A patent/CN110493636A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999492A (en) * | 2011-09-08 | 2013-03-27 | 百度在线网络技术（北京）有限公司 | Method and device for adjusting volume of media file |
| CN103456334A (en) * | 2012-06-01 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Method and device for playing audio file |
| CN103701419A (en) * | 2013-12-06 | 2014-04-02 | 乐视致新电子科技（天津）有限公司 | Volume regulating method and device |
| CN107526568A (en) * | 2017-08-18 | 2017-12-29 | 广东欧珀移动通信有限公司 | volume adjusting method, device, terminal device and storage medium |
| DE102017218483A1 (en) * | 2017-10-16 | 2019-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | METHOD FOR ADJUSTING PARAMETERS FOR INDIVIDUAL ADJUSTMENT OF AN AUDIO SIGNAL |
| CN108647005A (en) * | 2018-05-15 | 2018-10-12 | 努比亚技术有限公司 | Audio frequency playing method, mobile terminal and computer readable storage medium |
| CN109375893A (en) * | 2018-11-20 | 2019-02-22 | 北京小米移动软件有限公司 | Audio frequency playing method and device |
| CN109547848A (en) * | 2018-11-23 | 2019-03-29 | 北京达佳互联信息技术有限公司 | Loudness method of adjustment, device, electronic equipment and storage medium |
| CN109508170A (en) * | 2018-12-15 | 2019-03-22 | 深圳壹账通智能科技有限公司 | Volume setting method, device, computer equipment and storage medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261470A (en) * | 2020-10-21 | 2021-01-22 | 维沃移动通信有限公司 | Audio processing method and device |
| CN115102931A (en) * | 2022-05-20 | 2022-09-23 | 阿里巴巴（中国）有限公司 | Method for adaptively adjusting audio delay and electronic equipment |
| CN115102931B (en) * | 2022-05-20 | 2023-12-19 | 阿里巴巴（中国）有限公司 | Method for adaptively adjusting audio delay and electronic equipment |
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