CN106648534A - Method of simultaneously playing mutually-exclusive audios - Google Patents
Method of simultaneously playing mutually-exclusive audios Download PDFInfo
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- CN106648534A CN106648534A CN201611217201.2A CN201611217201A CN106648534A CN 106648534 A CN106648534 A CN 106648534A CN 201611217201 A CN201611217201 A CN 201611217201A CN 106648534 A CN106648534 A CN 106648534A
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- 238000002156 mixing Methods 0.000 claims abstract description 132
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
Abstract
The invention discloses a method of simultaneously playing mutually-exclusive audios. The method comprises steps of determining an audio mixing enhancing application program via addition of an audio type of STREAM_FORCE_MIX and according to user selections, correcting an audio data type of the audio mixing enhancing application program into STREAM_FORCE_MIX, applying an audio strategy according to the STREAM_FORCE_MIX type, and gradually lowering media player media volume according to a set audio mixing enhancing priority strategy and a volume management strategy when the audio mixing enhancing application program and the audio data of the media player are played at the same time. And therefore, demands of hearing two or more sounds upon some scenes by users can be met, and multi-audio interaction experience can be improved for the users.
Description
Technical field
The application is related to ARIXTRA art audio systems, and the audio frequency of mutual exclusion is realized simultaneously more particularly in Android system
The method of broadcasting.
Background technology
Audio system of ARIXTRA (Android) system design based on type, its elementary tactics is：High priority type is beaten
Disconnected low priority type, new-comer interrupts what is be currently played when same priority is interacted.
The opening of Android causes call ununified specifications of the third party APP to audio system, flow process also it is each not
It is identical.Even exist and bypass, do not apply for audio frequency strategy, force with other audio players with the situation of same volume audio mixing；Have
A little then notice that be not responding to audio system, request, such as " DUCK ".
It is mostly by increasing hardware (for example in Android automotive fields：Single-chip microprocessor MCU, audio mixing chip, multi-loudspeaker
Deng) mode realize that multi-path media sound is played simultaneously.
Some applications such as high moral navigation, is by applying for audio frequency strategy " AUDIOFOCUS_GAIN_TRANSIENT_MAY_
DUCK ", asks other application " reduction volume " to realize that therewith audio mixing coexists.
Found by analysis, existing audio mixing technology has following defect：
1st, mutually interrupting to coexist.Some scenes need two kinds of output simultaneously (or more) audio frequency, such as while listening
Song is navigated on one side using Baidu, is as a result that navigation voice frequently interrupts music, complete music cannot be almost appreciated during travelling, use
Family experience is poor.
2nd, cannot give top priority to what is the most important sound, cause easily to ignore important voice messaging.Some APP do not apply for audio frequency strategy, or
Person is not responding to audio system request, forces with equal volume and other player audio mixings.For example：High moral navigation attempts to solve navigation
Sound and music audio mixing, when playing navigation, request music reduces volume, but some music players are to be not responding to " flat " request
, it is impossible to reach the purpose of prominent navigation sound.
3rd, APP is depended on to realize while playing, the player of mutual exclusion cannot be realized playing simultaneously.
4th, high cost.Vehicular platform is increasing hardware to realize that navigation sound and multimedia sound increased into by way of coexisting
This.
The content of the invention
This application provides a kind of audio frequency to mutual exclusion realizes the method played simultaneously, to solve the sound of android terminal mutual exclusion
The problem that frequency cannot be played, improves experience when user's Multi-audio-frequency is interacted.
This application discloses a kind of audio frequency to mutual exclusion realizes the method played simultaneously, android terminal is applied to, including：
A, increase audio types STREAM_FORCE_MIX, in audio priory level strategy STREAM_FORCE_MIX is increased
The audio frequency strategy of type；
B, determined according to the selection of user audio mixing strengthen application program, preserve audio mixing strengthen application program list；Wherein,
It is to need the application program with media sound audio mixing that audio mixing strengthens application program；Volume management strategy is determined according to the setting of user；
C, in application program playing audio-fequency data, the calling process title of the application program is obtained, if described should
With program in the list that preserved audio mixing strengthens application program, then the type of the voice data is revised as into STREAM_
FORCE_MIX；
When D, application requests audio frequency strategy, judge whether bag name is empty, be not space-time in bag name, obtain calling process
Number, and then bag name is obtained, and judge that data base's audio mixing strengthens with the presence or absence of the record of the bag name in application program table, if deposited
, then audio types are revised as into STREAM_FORCE_MIX, apply for audio frequency strategy；
E, strengthen priority policy according to the audio mixing for arranging to the voice data of the application program and media player
Voice data carries out playing simultaneously, wherein, according to set volume management strategy media volume is progressively decayed with it is extensive
It is multiple.
Preferably, in the D, when application requests audio frequency strategy, further including：Judge that whether request type is
STREAM_MUSIC, if STREAM_MUSIC, then continues executing with and judges whether bag name is empty operation.
Preferably, the B includes：
All installation kits in traversal Android system, in retrieving its PackageInfo
PackageInfo.requestedPermissions information；
Whether traversal requestedPermissions information includes SD card write permission；
The PackageInfo of application SD card write permission is preserved, including：Bag name, title and ICON；
In the result that interface display traversal is obtained, browse for user, arrange, and determined according to the selection of user therein mixed
Sound strengthens application program.
Preferably, the volume management strategy is：
Wherein：
0 grade, represent that audio mixing strengthens application program with media sound with identical volume audio mixing；
1 grade, media sound reduces by 20% when representing audio mixing；
2 grades, media sound reduces by 40% when representing audio mixing；
3 grades, media sound reduces by 60% when representing audio mixing；
4 grades, media sound reduces by 80% when representing audio mixing；
5 grades, media sound volume is 0 when representing audio mixing.
Preferably, the audio mixing strengthens priority policy being：
Preferably, media volume is progressively decayed according to set volume management strategy including with recovery：
When audio mixing strengthens application program strategy success, and when commencing play out, current media volume is preserved, as media
Volume initial value；
Damped expoential in the volume management strategy that inquiry is arranged, and calculate and decline according to " damped expoential × media volume "
Media volume after subtracting；
Media volume is progressively adjusted to the media volume after calculated decay；
Terminate when audio mixing strengthens application program broadcasting, during release audio frequency strategy, progressively media volume is adjusted to media sound
Amount initial value.
As seen from the above technical solution, it is full this application discloses a kind of audio frequency to mutual exclusion realizes the method played simultaneously
Need while hearing the demand of two kinds or two or more sound under foot some scenes.For example more typical uses navigation (such as
Baidu's navigation, Kai Lide navigation) when, the problem of music is listened, in complex road condition, music is frequently navigated voice broadcast and interrupts,
Music cannot continuously be appreciated.By the present invention, user can arrange navigation application strengthens application program for audio mixing, can also arrange
Media sound pad value is clear, bright to ensure prior navigation sound, is unlikely to miss important traffic information.
The present invention does not rely on the realization of third party app, it is not necessary to increase hardware cost, it is only necessary to update audio system just
Can realize simultaneously playing the application program that script mutual exclusion can not coexist broadcasting, more rich, more friendly user can be brought
Experience, lifts terminal differential competition advantage.
Description of the drawings
Fig. 1 is the frame diagram of android terminal audio system improvement project of the present invention；
Fig. 2 is a terminal interface schematic diagram for being preferably provided with audio mixing assistant APP of the present invention；
Fig. 3 strengthens application program and arranges interface schematic diagram for the preferable audio mixing of the present invention one；
Fig. 4 arranges interface schematic diagram for the preferable media sound decay of the present invention one；
Fig. 5 is the Type mapping schematic diagram in a preferable audio stream of the invention；
Fig. 6 is the Type mapping schematic diagram in a preferable audio frequency strategy of the invention；
Fig. 7 is the preferable media sound decay of the present invention one and recovery handling process schematic diagram.
Specific embodiment
Purpose, technical scheme and advantage to make the application becomes more apparent, and develop simultaneously referring to the drawings embodiment, right
The application is described in further detail.
The invention discloses a kind of android terminal audio system improved method, the method is carried out on the basis of existing technology
Following improvement：
1st, new audio types " STREAM_FORCE_MIX " are increased, with independently of the phonetic type such as " STREAM_MUSIC "
Carry out volume and audio frequency tactical management.
2nd, audio priory level strategy is redesigned, increases the audio frequency strategy of " STREAM_FORCE_MIX " type so that its
Coexist with the audio types such as " STREAM_MUSIC ", mutually do not interrupt.
3rd, volume management strategy is designed, when " STREAM_FORCE_MIX " type player application audio frequency strategy, gradually
The volume of related audio type players such as " STREAM_MUSIC " is reduced to setting value；When " STREAM_FORCE_MIX " type
During player release audio frequency strategy, gradually recover the volume of related audio type players such as " STREAM_MUSIC ".Make it possible to
Highlight the sound that prior " STREAM_FORCE_MIX " type player is broadcasted.
4th, audio mixing assistant APP is designed, proposes and realize that " audio mixing enhancing " application program is recognized and managed by bag name.With
Family, should by audio mixing assistant APP records by selecting and arranging the application program for needing support and other media player audio mixings
With the bag name of program, for audio system Division identification.
5th, Type mapping, in audio system, during application requests audio frequency strategy, by extracting contrast calling process bag
The bag list of file names that name is preserved with audio mixing assistant, by the audio request coercion of type of matching " STREAM_FORCE_MIX " class is mapped as
Type, independently to carry out volume and tactical management, realizes that the application is played the purpose broadcasted simultaneously by mutual exclusion.
It is in most cases the audio frequency needs of navigation software and music player according to the analysis to existing audio mixing scene
Play simultaneously, this two classes application program needs the audio types for playing audio frequency to be usually STREAM_MUSIC, therefore, the application master
Refer to for STREAM_MUSIC types to be revised as STREAM_FORCE_MIX types.In below illustrating, with STREAM_
Illustrate as a example by MUSIC types.
Based on above-mentioned improvement, the method that the present invention is provided enables the player of script mutual exclusion while playing, and can
According to the setting of user, the sound that emphasis player is broadcasted in prominent audio mixing.The application journey with media sound audio mixing will be needed below
Sequence is referred to as " audio mixing enhancing " application program.The frame diagram of the present invention program as shown in figure 1, the module that mainly includes of the framework and its
Function is described as follows：
1st, audio mixing assistant APP modules
The major function of the module is as follows：
1) audio mixing strengthen application arrange submodule, for labelling audio mixing strengthen application program, user can by list and/
Or shift knob come be selected as audio mixing strengthen application program application program.
2) media sound decay arranges submodule, preferably, the present invention provides 6 grades of attenuation parameters, there is provided optional to user
Media volume decreasing value.
3) data base, for carrying out data preservation, strengthens audio mixing application program list and attenuation parameter is stored in data
In storehouse, and inquiry is provided and interface is changed.
2nd, audio frequency framework (Audio Framework) module
1) audio mixing strengthens application identification submodule, is strengthened by the audio mixing for contrasting calling process name and in data base and applies journey
Sequence list, judges whether the application program needs to carry out audio mixing enhancing.
2) audio mixing strengthens Type mapping submodule, its function mainly audio mixing is strengthened the audio types of application program from
STEAM_MUSIC replaces with STRREAM_MUSIC_MIX.After so processing, generic media sound data flow can be distinguished and " mixed
Sound strengthens " type audio data stream, so as to independently carry out audio frequency strategy and volume management.
3) audio frequency right of broadcasting (Audio Focus) priority policy optimization submodule, by designing independent audio types
And strategy, realize being coexisted with other media sound audio mixings.
4) distribution of audio mixing volume and regulation submodule, main to realize a kind of strategy, audio mixing for carrying out audio mixing volume process
Enhancing is played when interacting with media sound broadcasting audio mixing, the value that media volume is gradually lowered to arrange；Audio mixing strengthens application program
At the end of broadcasting, media volume is gradually restored to into initial value.
5) Audio Flinger stereo process submodule, realization distinguished with streamType audio mixing strengthen audio stream and
Media audio stream, and arranged according to media volume attenuation, it is overlapped, smooth process.
3rd, audio hardware level of abstraction (Audio Hal) module
The module is used to for the voice data finally given after " audio mixing enhancing " to be streamed to audio driven and equipment.
Below by a preferred embodiment, the enforcement to technical scheme is further elaborated.
First, audio mixing assistant APP is illustrated.
Fig. 2 is the terminal interface schematic diagram for being provided with audio mixing assistant APP of the present invention.The audio mixing assistant APP that the present invention is provided
Strengthen the entrance of application program as user management audio mixing, carry out the identification of audio mixing enhancing application program, protect to wrap entitled mark
Deposit and arrange.The major function of audio mixing assistant APP includes：Filtration based on the audio frequency play-back application of SD card authority；It is based on
The audio mixing of bag name strengthens application program identification, arranges；Media volume attenuation is arranged when audio mixing strengthens；Data base designs and is protected with parameter
Deposit.Specific functional modules decomposition description is as follows：
First, audio mixing strengthens application program screening
Android system cannot directly judge whether an application program is multimedia application.The present invention is in analysis
After the behavior characteristicss of conventional audio application, propose to filter out possible sound to apply for " SD card write permission " as condition
Frequency application program, so as to reduce the scope of user's selection.First, all installation kits in Ergodic Theory, retrieve its PackageInfo
In packageInfo.requestedPermissions information；Secondly, traversal requestedPermissions information is
It is no comprising SD card write permission (android.permission.WRITE_EXTERNAL_STORAGE), preserve application SD card and write power
The PackageInfo of limit, including bag name, title and ICON；Again, contrast the bag name whether be stored in data base's audio mixing strengthen should
With in flow sheet；Finally, interface display is carried out in the form of a list, browse for user, arrange.As shown in Figure 3.
2nd, based on the identification of bag name, setting and storage
In the present invention, database table forcemix is increased in Settings, comprising _ id (INTEGER) and mix_pkg
(TEXT) two fields, mix_pkg is used to record the bag name of audio mixing enhancing application program, such as Baidu's navigation
(com.baidu.BaiduMap), when it is that audio mixing strengthens application program that user arranges application program, by the bag of the application program
Name inserts (insert) in forcemix tables as mix_pkg field values, and refreshes interface audio mixing enhancing application description, switch
State.When equally application program being set to into non-audio mixing enhancing application program, corresponding deletion (delete) audio mixing strengthens to be applied
Field mix_pkg is equal to the record of this bag name in flow sheet forcemix, and refreshes UI interfaces.
3rd, media sound decay is arranged
When audio mixing strengthens application program with media application audio mixing, need to reduce media volume with protrusion " audio mixing enhancing "
The volume of application program.The audio mixing assistant APP of the present embodiment provides 5 grades of adjustable volumes, and as shown in table 1, user can be therefrom
Voluntarily select, as shown in Figure 4.When the application program for participating in audio mixing belongs to audio mixing strengthens application program, with identical volume
Carry out audio mixing.
| Damped expoential | Media volume | Audio mixing strengthens volume |
| 0 | 100% | 100% |
| 1 | 80% | 100% |
| 2 | 60% | 100% |
| 3 | 40% | 100% |
| 4 | 20% | 100% |
| 5 | 0% | 100% |
The media volume attenuation of table 1
0 grade, represent that audio mixing strengthens application program with media sound with identical volume audio mixing；
1 grade, media sound reduces by 20% when representing audio mixing；
2 grades, media sound reduces by 40% when representing audio mixing；
3 grades, media sound reduces by 60% when representing audio mixing；
4 grades, media sound reduces by 80% when representing audio mixing；
5 grades, media sound volume is 0 when representing audio mixing, quiet.
Secondly, strengthen type to audio mixing proposed by the present invention to illustrate.
First, type is increased newly：STREAM_FORCE_MIX
The present invention proposes that increasing audio mixing in Android audio systems strengthens type：STREAM_FORCE_MIX, to solve
The audio frequency of mutual exclusion plays the problem that cannot be played simultaneously.It is as follows to increase in AudioSystem：
Public static final int STREAM_FROCE_MIX=14；//for force mix
Private static final int NUM_STREAM_TYPES=15；//changed from 14
And increase this type in AudioPlayer, AuidoFlinger accordingly.Increase in AudioService simultaneously
It is 7 and 15 that adduction arranges default volume and max volume.
2nd, AudioStreamType mappings in MediaPlayer/AudioTrack
According to AudioFlinger software Mixed Audio Algorithm principles, voice data carries out volume according to stream (stream) type
Superposition, it is therefore desirable to which distinguishing audio mixing when audio stream is created strengthens voice data and generic media sound data.Android systems
Audio stream plays entrance has two in system：One is the MediaPlayer played using Android multimedia frameworks, another
It is AudioTrack that self-defined player is used.The present embodiment passes through to obtain calling process title, and in matching database
Audio mixing strengthens application program table to determine whether audio mixing enhancing audio stream, and then carrying out audio mixing strengthens Type mapping.Flow process is such as
Shown in Fig. 5, including：
Step 501：Select the entrance of the type for distinguishing audio stream.Wherein, MediaPlayer distinguishes " audio mixing enhancing " audio frequency
The optimum entrance of data is function setAudioStreamType (int streamType)；And AudioTrack distinguishes " audio mixing
The optimum entrance of enhancing " voice data stream is then constructed fuction AudioTrack (int streamType).
Step 502：GetCallingPid is called, calling process number is obtained.
Step 503：Acquisition process title.
Step 504：Inquiry data base audio mixing strengthens application program table.
Step 505：Judge that audio mixing strengthens whether comprising corresponding record in application program table, if it is not, skipping, tie
Beam this flow process, otherwise, continues executing with step 506.
Step 506：Audio types are replaced with into STREAM_FORCE_MIX from STREAM_MUSIC.
3rd, in AudioService STREAM_MUSIC to STREAM_FORCE_MIX mapping
Strengthen application program to distinguish audio mixing, the present embodiment is arranged by foregoing audio mixing assistant APP by user
Application program is that audio mixing strengthens application program, and records bag name, and audio framework receive request right of broadcasting
(requestAudioFocus) when calling, mapping audio mixing by bag name contrast identification strengthens Application Type, and flow process is such as
Shown in Fig. 6, including：
Step 601：Application call requestAudioFocus (stream_type), asks right of broadcasting.
Step 602：Judge whether request type is STREAM_MUSIC, i.e.,：Judge stream_type=STREAM_
MUSICIf it is, step 603 is continued executing with, and otherwise, process ends.
Step 603：Judge whether bag name is sky, i.e.,：Judge callingPackageName=nullIf wrapped entitled
Sky, then continue executing with step 606, if bag name is not sky, continue executing with step 604.
Step 604：Calling process number is obtained with function getCallingPid ().
Step 605：Bag name is obtained according to process number.It is used for realizing by two steps：Inquiry first is currently running
All application informations (being inquired about by calling ActivityManager.getRunningAppProcesses), then
According to returning result, the label information of the application program being currently running is inquired about (by call function
PackageManager.getApplicationLabel is inquired about), its bag name is finally found out from label information.
Step 606：Inquiry data base audio mixing strengthens the record of this bag name in application program table：
Cursor c=db.query (" t_mixapp ", new String [] { " name " }, " name=",new
String[]{callingPackageName},null,null,null)。
Step 607：According to Query Result, the record that whether there is this bag name in table is judged, i.e.,：(c.moveToFirst
())=nullIf there is the record of this bag name in table, execution step 608, otherwise, process ends.
Step 608：STREAM_MUSIC is replaced with into STREAM_FORCE_MIX, applies for audio frequency strategy.
4th, STREAM_FORCE_MIX priority policies
Table 2 strengthens priority policy table for the audio mixing of the present embodiment.
The audio mixing of table 2 strengthens Policy Table
Finally, the decay to media volume in audio mixing of the present invention enhancing is illustrated with recovery.
The principle of AudioFlinger software audio mixings is taken advantage of according to the type volume of each Track and the volume of left and right acoustic channels
Product realizes audio mixing to be overlapped, and the computing formula of wherein volume is as follows：
Float typeVolume=mStreamTypes [track->streamType()].volume；// type volume
Float v=masterVolume*typeVolume；
Vlf*=v；// L channel volume
Vrf*=v；// R channel volume
The volume of the left and right acoustic channels of the uncontrollable application player of system, therefore the present invention is by control
TypeVolume strengthens volume realizing during audio mixing media sound less than audio mixing, to reach the purpose for giving top priority to what is the most important.I.e.：
mStreamTypes[STREAM_FORCE_MIX].volume>mStreamTypes[STREAM_MUSIC]
.volume
Audio mixing strengthen interaction when audio system handling process as shown in fig. 7, comprises：
Step 701：Audio mixing strengthens application program strategy success, and commences play out.
Step 702：Preserve current media volume.
Step 703：The damped expoential arranged in inquiry audio mixing assistant, and calculated according to " damped expoential × media volume "
Media volume after decay.
Step 704：SetStreamVolume (music_new) is called, volume of music is gradually adjusted to pad value, wherein,
Parameter music_new is the media volume after the decay for calculating.
Step 705：Audio mixing strengthens to play and terminates to discharge audio frequency strategy.
Step 706：Call setStreamVolume (music_old), progressive recovery media volume to initial value, wherein,
Music_old is media volume initial value.
The preferred embodiment of the application is the foregoing is only, not to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of the application protection.
Claims (6)
1. a kind of audio frequency to mutual exclusion realizes the method played simultaneously, is applied to android terminal, it is characterised in that include：
A, increase audio types STREAM_FORCE_MIX, increase STREAM_FORCE_MIX types in audio priory level strategy
Audio frequency strategy；
B, determined according to the selection of user audio mixing strengthen application program, preserve audio mixing strengthen application program list；Wherein, audio mixing
It is to need the application program with media sound audio mixing to strengthen application program；Volume management strategy is determined according to the setting of user；
C, in application program playing audio-fequency data, the calling process title of the application program is obtained, if the application journey
The type of the voice data is then revised as STREAM_FORCE_ by sequence in the list that preserved audio mixing strengthens application program
MIX；
When D, application requests audio frequency strategy, judge whether bag name is empty, be not space-time in bag name, obtain calling process number,
And then bag name is obtained, and judge that data base's audio mixing strengthens with the presence or absence of the record of the bag name in application program table, if it does,
Then audio types are revised as into STREAM_FORCE_MIX, apply for audio frequency strategy；
E, according to arrange audio mixing strengthen priority policy to the voice data of the application program and the audio frequency of media player
Data carry out playing simultaneously, wherein, according to set volume management strategy media volume is progressively decayed and recovered.
2. method according to claim 1, it is characterised in that：
In the D, when application requests audio frequency strategy, further include：Judge whether request type is STREAM_
MUSIC, if STREAM_MUSIC, then continues executing with and judges whether bag name is empty operation.
3. method according to claim 1 and 2, it is characterised in that the B includes：
All installation kits in traversal Android system, in retrieving its PackageInfo
PackageInfo.requestedPermissions information；
Whether traversal requestedPermissions information includes SD card write permission；
The PackageInfo of application SD card write permission is preserved, including：Bag name, title and ICON；
In the result that interface display traversal is obtained, browse for user, arrange, and determine that audio mixing therein increases according to the selection of user
Strong application program.
4. method according to claim 1 and 2, it is characterised in that the volume management strategy is：
Wherein：
0 grade, represent that audio mixing strengthens application program with media sound with identical volume audio mixing；
1 grade, media sound reduces by 20% when representing audio mixing；
2 grades, media sound reduces by 40% when representing audio mixing；
3 grades, media sound reduces by 60% when representing audio mixing；
4 grades, media sound reduces by 80% when representing audio mixing；
5 grades, media sound volume is 0 when representing audio mixing.
5. method according to claim 1 and 2, it is characterised in that the audio mixing strengthens priority policy and is：
6. method according to claim 4, it is characterised in that media volume is entered according to set volume management strategy
Progressively decay includes row with recovery：
When audio mixing strengthens application program strategy success, and when commencing play out, current media volume is preserved, as media volume
Initial value；
Damped expoential in the volume management strategy that inquiry is arranged, and calculated after decay according to " damped expoential × media volume "
Media volume；
Media volume is progressively adjusted to the media volume after calculated decay；
Terminate when audio mixing strengthens application program broadcasting, during release audio frequency strategy, at the beginning of progressively media volume is adjusted to media volume
Initial value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217201.2A CN106648534B (en) | 2016-12-26 | 2016-12-26 | The method that the audio of a kind of pair of mutual exclusion is realized while being played |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217201.2A CN106648534B (en) | 2016-12-26 | 2016-12-26 | The method that the audio of a kind of pair of mutual exclusion is realized while being played |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106648534A true CN106648534A (en) | 2017-05-10 |
| CN106648534B CN106648534B (en) | 2019-09-13 |
Family
ID=58827991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611217201.2A Expired - Fee Related CN106648534B (en) | 2016-12-26 | 2016-12-26 | The method that the audio of a kind of pair of mutual exclusion is realized while being played |
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| CN110032357A (en) * | 2019-04-09 | 2019-07-19 | 青岛海信电器股份有限公司 | The output method and display equipment of the audio data of application program |
| CN110196708A (en) * | 2019-04-25 | 2019-09-03 | 深圳市布谷鸟科技有限公司 | A kind of audio frequency controller method applied to Android in-vehicle multi-media system |
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| CN112965685A (en) * | 2021-02-04 | 2021-06-15 | RealMe重庆移动通信有限公司 | Audio control method, device, system, terminal equipment and storage medium |
| CN113423006A (en) * | 2021-05-31 | 2021-09-21 | 惠州华阳通用电子有限公司 | Multi-audio-stream audio mixing playing method and system based on main and auxiliary sound channels |
| US11288033B2 (en) | 2019-04-09 | 2022-03-29 | Hisense Visual Technology Co., Ltd. | Method for outputting audio data of applications and display device |
| WO2022116709A1 (en) * | 2020-12-04 | 2022-06-09 | Oppo广东移动通信有限公司 | Audio playback method, apparatus, head-mounted display device, and storage medium |
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| CN107155155A (en) * | 2017-06-12 | 2017-09-12 | 宇龙计算机通信科技(深圳)有限公司 | Audio-frequency inputting method, device, mobile terminal and computer-readable recording medium |
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| CN110196708A (en) * | 2019-04-25 | 2019-09-03 | 深圳市布谷鸟科技有限公司 | A kind of audio frequency controller method applied to Android in-vehicle multi-media system |
| CN112533056A (en) * | 2019-09-17 | 2021-03-19 | 海信视像科技股份有限公司 | Display device and sound reproduction method |
| CN112533056B (en) * | 2019-09-17 | 2022-10-28 | 海信视像科技股份有限公司 | Display device and sound reproduction method |
| WO2022116709A1 (en) * | 2020-12-04 | 2022-06-09 | Oppo广东移动通信有限公司 | Audio playback method, apparatus, head-mounted display device, and storage medium |
| CN112965685A (en) * | 2021-02-04 | 2021-06-15 | RealMe重庆移动通信有限公司 | Audio control method, device, system, terminal equipment and storage medium |
| CN112965685B (en) * | 2021-02-04 | 2023-08-25 | RealMe重庆移动通信有限公司 | Audio control method, device, system, terminal equipment and storage medium |
| CN114979347A (en) * | 2021-02-21 | 2022-08-30 | 荣耀终端有限公司 | Method for playing audio and electronic equipment |
| CN114979347B (en) * | 2021-02-21 | 2023-05-12 | 荣耀终端有限公司 | Audio playing method, electronic equipment and chip system |
| CN113423006A (en) * | 2021-05-31 | 2021-09-21 | 惠州华阳通用电子有限公司 | Multi-audio-stream audio mixing playing method and system based on main and auxiliary sound channels |
| CN113423006B (en) * | 2021-05-31 | 2022-07-15 | 惠州华阳通用电子有限公司 | Multi-audio-stream audio mixing playing method and system based on main and auxiliary sound channels |
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