CN111629260A - Audio output method and device - Google Patents
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- CN111629260A CN111629260A CN202010464760.3A CN202010464760A CN111629260A CN 111629260 A CN111629260 A CN 111629260A CN 202010464760 A CN202010464760 A CN 202010464760A CN 111629260 A CN111629260 A CN 111629260A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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Abstract
The application discloses an audio output method and an audio output device, which are used for enabling different users to receive audio which the users like to hear without mutual interference, and the user experience can be improved under the condition that a plurality of users watch the same video. The method comprises the following steps: when a preset trigger event is detected, determining the number of simultaneously output audios; when the number of the simultaneously output audios is multiple, users corresponding to each channel of audio are respectively determined; and outputting each path of audio to the position of the corresponding user in a mode of shielding other users. By adopting the scheme provided by the application, different users can receive the audio which the users like to hear without mutual interference, and the user experience can be improved under the condition that a plurality of users watch the same video.
Description
Technical Field
The present disclosure relates to the field of audio processing, and in particular, to an audio output method and apparatus.
Background
Multimedia devices are becoming more powerful, and when watching video such as a movie or a tv show through various types of multimedia devices, the multimedia devices often support multi-language switching if there are multiple language versions of the video, and this improvement in multimedia devices has brought with it disadvantages, for example, family members watching a foreign movie together, family members of different age groups want to hear audio of different language versions, some family members may want to hear audio of mandarin, some family members may want to hear audio of foreign language original, and some family members want to hear audio of local language version.
Therefore, it is desirable to provide an audio output method that enables different users to receive audio that the users like to hear without interfering with each other, and that can improve the user experience when a plurality of users watch the same video.
Disclosure of Invention
An object of the embodiments of the present application is to provide an audio output method and apparatus, so that different users can receive audio that they like to hear without interfering with each other when watching the same video, thereby improving user experience.
In order to solve the technical problem, the embodiment of the application adopts the following technical scheme: an audio output method comprising:
when a preset trigger event is detected, determining the number of simultaneously output audios;
when the number of the simultaneously output audios is multiple, users corresponding to each channel of audio are respectively determined;
and outputting each path of audio to the position of the corresponding user in a mode of shielding other users.
The beneficial effect of this application lies in: when a preset trigger event is detected, determining the number of the simultaneously output audios, and when the number of the simultaneously output audios is multiple, respectively determining users corresponding to each channel of audio; the audio of each path is output to the position of the corresponding user in a mode of shielding other users, so that different users can receive the audio which the users like to hear without mutual interference, and the user experience can be improved under the condition that a plurality of users watch the same video.
In one embodiment, the preset trigger event includes:
outputting an event of a change in the number of audios; and/or
An event to start playing the multimedia file.
In one embodiment, the determining the users corresponding to the audio channels respectively includes:
determining a user positioned in a transmission range of a sound production module of the audio frequency as a user corresponding to the audio frequency through an infrared induction module; and/or
And determining users corresponding to each channel of audio by receiving input preset control instructions.
In one embodiment, the event of the change in the number of output audios includes:
detecting an event that a user leaves the current position and moves out of the transmission range of the corresponding audio; and/or
An event specifying a stop play instruction of audio is detected.
In one embodiment, the determining the number of simultaneous outputs of audio comprises:
determining the number of the sounding modules in the on state as the number of the audio output at the same time;
and/or
And determining the number of the sounding modules with the corresponding users in the transmission range as the number of the audio output at the same time.
In an embodiment, the outputting each channel of audio to the corresponding location of the user in a manner of shielding other users includes:
loading the sound wave corresponding to the audio frequency into a carrier signal with a frequency higher than a preset frequency;
and outputting the carrier signal carrying the sound wave corresponding to the audio to the position of the user after the carrier signal is amplified by the sound wave signal amplifying device.
The beneficial effect of this embodiment lies in: the sound wave corresponding to the audio is loaded into the carrier signal with the frequency higher than the preset frequency, so that the sound wave corresponding to the audio can be directionally propagated to a specific area by means of the high-frequency carrier signal and cannot be heard by users in other areas, the audio can be output to the position where the corresponding user is located in a mode of shielding other users, and the influence on other users is avoided.
In one embodiment, the method further comprises:
when a wireless connection request of a preset terminal is received, verifying the preset terminal;
when the verification is passed, establishing wireless connection with the preset terminal;
determining that the preset terminal is a local main control device, and reporting an identifier corresponding to a local sound generating device to the preset terminal;
and when a control instruction of the preset terminal to the target sound generating device is received, executing the control instruction.
The present application also provides an audio output device, including:
the device comprises a first determining module, a second determining module and a control module, wherein the first determining module is used for determining the number of simultaneously output audios when a preset trigger event is detected;
the second determining module is used for respectively determining users corresponding to each path of audio when the number of the audio output at the same time is multiple;
and the output module is used for outputting each path of audio to the position of the corresponding user in a mode of shielding other users.
In one embodiment, the output module includes:
the loading submodule is used for loading the sound wave corresponding to the audio frequency into a carrier signal with the frequency higher than the preset frequency;
and the output sub-module is used for outputting the carrier signal carrying the sound wave corresponding to the audio frequency to the position of the user after being amplified by the sound wave signal amplification device.
In one embodiment, the apparatus further comprises:
the verification module is used for verifying a preset terminal when a wireless connection request of the preset terminal is received;
the establishing module is used for establishing wireless connection with the preset terminal when the verification is passed;
the reporting module is used for determining that the preset terminal is a local main control device and reporting an identifier corresponding to a local sound generating device to the preset terminal;
and the execution module is used for executing the control instruction when receiving the control instruction of the preset terminal to the target sound generating device.
Drawings
Fig. 1 is a flowchart of an audio output method according to an embodiment of the present application;
fig. 2A is a schematic structural diagram of a sound module according to an embodiment of the present application;
fig. 2B is a flowchart of an audio output method according to an embodiment of the present application;
fig. 2C is a schematic view of a sound propagation range of the sound generation module according to an embodiment of the present application;
FIG. 2D is a schematic view of the sound transmission range of a conventional speaker in the prior art;
fig. 3 is a block diagram of an audio output device according to an embodiment of the present application;
fig. 4 is a block diagram of an audio output device according to an embodiment of the present application.
Detailed Description
Various aspects and features of the present application are described herein with reference to the drawings.
It will be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with a general description of the application given above and the detailed description of the embodiments given below, serve to explain the principles of the application.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the application of unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
Fig. 1 is a flowchart of an audio output method according to an embodiment of the present application, the method including the following steps S11-S13:
in step S11, when a preset trigger event is detected, determining the number of simultaneously output audios;
in step S12, when the number of the simultaneously output audio is plural, the users corresponding to the respective audio paths are determined respectively;
in step S13, each audio is output to the corresponding user position in a manner of masking other users.
In this embodiment, when a preset trigger event is detected, the number of simultaneously output audios is determined; wherein the preset trigger event may be an event in which the number of output audios is changed. In addition, the preset trigger event may also be an event of starting playing the multimedia file.
For example, family members watch a foreign movie through a television, family members of different age groups want to hear audio of different language versions, a user a wants to hear audio of mandarin, B user wants to hear audio of foreign language original, C user wants to hear audio of local dialect version, and the television is connected with a plurality of sound emission modules, and since there are three users, the three sound emission modules are turned on, and at this time, the number of simultaneously output audio can be determined to be 3 based on the number of sound emission modules in the turned-on state.
When the number of the simultaneously output audios is multiple, users corresponding to each channel of audio are respectively determined; specifically, it can be determined by the infrared sensing module that a user located within the transmission range of the sound generation module of the audio is a user corresponding to the audio, for example, the sound generation module a outputs the audio of mandarin, the sound generation module B outputs the audio of the foreign language original edition, and the sound generation module C outputs the audio of the local dialect version, so that the user a needs to be within the transmission range of the sound generation module a, the user B needs to be within the transmission range of the sound generation module B, and the user C needs to be within the transmission range of the sound generation module C. And determining that the user corresponding to the audio output by the sound generation module A is a, the user corresponding to the audio output by the sound generation module B is B, and the user corresponding to the audio output by the sound generation module C is C based on the infrared sensing module. For another example, the device may be debugged based on a remote controller, and each sound module outputs a corresponding audio, thereby determining that each audio corresponds to a user who wishes to hear the audio.
And outputting each path of audio to the position of the corresponding user in a mode of shielding other users.
Specifically, the sound wave corresponding to the audio frequency may be loaded into a carrier signal with a frequency higher than a preset frequency; and outputting the carrier signal carrying the sound wave corresponding to the audio to the position of the user after the carrier signal is amplified by the sound wave signal amplifying device.
The beneficial effect of this application lies in: when a preset trigger event is detected, determining the number of the simultaneously output audios, and when the number of the simultaneously output audios is multiple, respectively determining users corresponding to each channel of audio; the audio of each path is output to the position of the corresponding user in a mode of shielding other users, so that different users can receive the audio which the users like to hear without mutual interference, and the user experience can be improved under the condition that a plurality of users watch the same video.
In one embodiment, the preset triggering event includes:
outputting an event of a change in the number of audios; and/or
An event to start playing the multimedia file.
In one embodiment, the above step S12 may be implemented as the following step a1 and/or step a 2:
in step a1, determining, by the infrared sensing module, that a user located within a transmission range of the sound generation module of the audio is a user corresponding to the audio;
in step a2, a user corresponding to each audio is determined by receiving an input preset control command.
In this embodiment, it may be determined by the infrared sensing module that a user located within a transmission range of the sound generation module of the audio is a user corresponding to the audio, for example, the sound generation module a outputs an audio of mandarin, the sound generation module B outputs an audio of a foreign language original edition, and the sound generation module C outputs an audio of a local dialect version, so that the user a needs to be within the transmission range of the sound generation module a, the user B needs to be within the transmission range of the sound generation module B, and the user C needs to be within the transmission range of the sound generation module C. And determining that the user corresponding to the audio output by the sound generation module A is a, the user corresponding to the audio output by the sound generation module B is B, and the user corresponding to the audio output by the sound generation module C is C based on the infrared sensing module.
In addition, in this embodiment, the user corresponding to each channel of audio may be determined by receiving an input preset control instruction. For example, a user a wants to hear the audio of mandarin, a user B wants to hear the audio of foreign language original edition, and a user C wants to hear the audio of local dialect edition, then the remote controller can be used for debugging, so that the audio of mandarin is output by aiming at the sound production module of the user a, the audio of foreign language original edition is output by aiming at the sound production module of the user B, and the audio of local dialect edition is output by aiming at the sound production module of the user C, thereby determining the user corresponding to each audio by sending a preset control instruction to the local through the remote controller.
In one embodiment, the event of the change in the number of output audios includes:
detecting an event that a user leaves the current position and moves out of the transmission range of the corresponding audio; and/or
An event specifying a stop play instruction of audio is detected.
In this embodiment, the event that the number of output audios is changed may be an event that it is detected that the user leaves the current position and moves outside the transmission range of the corresponding audio; the event of the change in the number of output audios may also be an event of detecting a stop play instruction of a specified audio. Of course, the event of the change in the number of output audios may also be an event of detecting a stop playback instruction of a specified audio while detecting that the user leaves the current position and moves outside the transmission range of the corresponding audio.
For example, the user a has something else while watching a movie and leaves the current position, and then when it is detected that the user a leaves the current position and moves out of the transmission range of the corresponding audio, the sound generation module directed to the user a does not need to continue working, and at this time, the generation module directed to the user a is turned off, so that the number of the output audio is changed. Or, if the user a does not want to watch the movie continuously but does not leave the current position, an instruction to stop playing the audio is sent to the sound production module aligned to the user a through the remote controller, and at this time, the number of output audio is also changed.
Of course, in this embodiment, the two times of changing the output audio number may be implemented in combination, for example, the user a has something else while watching the movie and leaves the current position, and simultaneously sends an instruction to stop playing the audio to the sound module aiming at the user a through the remote controller.
In one embodiment, the above step S11 may be implemented as step B1 and/or step B2:
in step B1, determining the number of sound modules in the on state as the number of audio output at the same time;
in step B2, the number of sound modules corresponding to the user within the transmission range is determined as the number of simultaneously output audio.
In this embodiment, the number of simultaneously output audios may be determined by the number of the sound generation modules in the on state, for example, the television is connected with a plurality of sound generation modules, and when a movie starts to be watched, two sound generation modules are in the on state, so that it may be determined that the number of simultaneously output audios is 2. Fig. 2A is a schematic structural diagram of the sound generating modules, and as shown in fig. 2A, the two sound generating modules can be adjusted along the middle rotating shaft to automatically adjust the direction, or can be adjusted manually by a user. In addition, it can be understood that based on this structure, a new rotating shaft can be added, so that the number of the sound generating modules is changed to 3, or more, that is, the number of the sound generating modules in the application can be added based on the requirement, and the application does not limit the specific number of the generating modules.
For another example, when a movie is started to watch, the number of the sound modules of the corresponding user in the transmission range is determined to be 5 by the infrared device, and then 5 sound modules of the corresponding user in the transmission range can be started to output audio at the same time.
In one embodiment, as shown in FIG. 2B, the above step S13 can be implemented as the following steps S21-S22:
in step S21, loading a sound wave corresponding to the audio frequency into a carrier signal having a frequency higher than a preset frequency;
in step S22, the carrier signal carrying the sound wave corresponding to the audio is amplified by the sound wave signal amplifying device and then output to the position where the user is located.
In this embodiment, the sound wave corresponding to the audio frequency may be loaded into a carrier signal having a frequency higher than a preset frequency; and outputting the carrier signal carrying the sound wave corresponding to the audio to the position of the user after the carrier signal is amplified by the sound wave signal amplifying device.
It should be noted that when the frequency of the sound wave is higher than a specific value, the sound beam can be controlled to propagate at a small angle, so that the sound is similar to a laser, and therefore, the carrier signal can be an ultrasonic wave with a frequency higher than a preset value.
Fig. 2C is a schematic view of a sound propagation range of the sound generating module according to the present application, and fig. 2D is a schematic view of a sound propagation range of a conventional speaker in the prior art. As can be seen from fig. 2C, after the sound wave is loaded into the carrier signal with a frequency higher than the preset frequency, the propagation range of the sound is obviously smaller than the sound wave range of the conventional sound box, so as to implement the shielding function for users other than the user corresponding to the audio frequency.
The beneficial effect of this embodiment lies in: the sound wave corresponding to the audio is loaded into the carrier signal with the frequency higher than the preset frequency, so that the sound wave corresponding to the audio can be directionally propagated to a specific area by means of the high-frequency carrier signal without being heard by users in other areas, the audio can be output to the position where the corresponding user is located in a mode of shielding other users, and the influence on other users is avoided.
In one embodiment, the method may also be implemented as steps C1-C4:
in step C1, when a wireless connection request of a preset terminal is received, the preset terminal is verified;
in step C2, when the authentication is passed, establishing a wireless connection with the preset terminal;
in step C3, determining that the preset terminal is a local main control device, and reporting an identifier corresponding to the local sound generating device to the preset terminal;
in step C4, when a control command of the preset terminal to the target sound generating device is received, the control command is executed.
In the embodiment, when a wireless connection request of a preset terminal is received, the preset terminal is verified; the wireless terminal can be a remote controller of a television, and can also be a mobile terminal such as a mobile phone and a tablet personal computer. The verification can be specifically performed in the following manner:
in a first mode
The method comprises the steps of receiving an equipment identification code sent by a preset terminal, matching the equipment identification code with an equipment identification code pre-stored locally to judge whether the equipment identification code is pre-stored locally or not, and passing verification when the equipment identification code is stored locally.
Mode two
And receiving a password sent by a preset terminal, judging whether the password is consistent with a password pre-stored locally, and when the password is consistent with the password pre-stored locally, passing the verification.
Mode III
And judging whether the preset terminal is in the same wireless local area network with the local area network, and when the preset terminal is in the same wireless local area network with the local area network, the verification is passed.
When the verification is passed, establishing wireless connection with a preset terminal; determining that the preset terminal is a local main control device, and reporting an identifier corresponding to a local sound generating device to the preset terminal; and when a control instruction of the preset terminal to the target sound generating device is received, executing the control instruction, so that the preset terminal finely controls the audio types such as opening, closing and output of each sound generating device based on the identification corresponding to the sound generating device.
Fig. 3 is a block diagram of an audio output apparatus according to an embodiment of the present application, where the apparatus includes the following modules:
a first determining module 31, configured to determine, when a preset trigger event is detected, the number of simultaneously output audios;
a second determining module 32, configured to determine users corresponding to the audio channels respectively when the number of the audio channels output at the same time is multiple;
and the output module 33 is configured to output each channel of audio to a corresponding location where the user is located in a manner of shielding other users.
In one embodiment, as shown in fig. 4, the output module 33 includes:
the loading submodule 41 is used for loading the sound wave corresponding to the audio frequency into the carrier signal with the frequency higher than the preset frequency;
and the output sub-module 42 is configured to output a carrier signal carrying a sound wave corresponding to the audio to a position where the user is located after being amplified by the sound wave signal amplifying device.
In one embodiment, the apparatus further comprises:
the verification module is used for verifying the preset terminal when receiving a wireless connection request of the preset terminal;
the establishing module is used for establishing wireless connection with a preset terminal when the verification is passed;
the reporting module is used for determining that the preset terminal is a local main control device and reporting an identifier corresponding to a local sound generating device to the preset terminal;
and the execution module is used for executing the control instruction when receiving the control instruction of the preset terminal to the target sound generating device.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. An audio output method, comprising:
when a preset trigger event is detected, determining the number of simultaneously output audios;
when the number of the simultaneously output audios is multiple, users corresponding to each channel of audio are respectively determined;
and outputting each path of audio to the position of the corresponding user in a mode of shielding other users.
2. The method of claim 1, wherein the preset trigger event comprises:
outputting an event of a change in the number of audios; and/or
An event to start playing the multimedia file.
3. The method of claim 2, wherein the determining the users corresponding to the audio channels respectively comprises:
determining a user positioned in a transmission range of a sound production module of the audio frequency as a user corresponding to the audio frequency through an infrared induction module; and/or
And determining users corresponding to each channel of audio by receiving input preset control instructions.
4. The method of claim 3, wherein the event of the change in the number of output audios comprises:
detecting an event that a user leaves the current position and moves out of the transmission range of the corresponding audio; and/or
An event specifying a stop play instruction of audio is detected.
5. The method of claim 4, wherein the determining the number of simultaneous outputs of audio comprises:
determining the number of the sounding modules in the on state as the number of the audio output at the same time;
and/or
And determining the number of the sounding modules with the corresponding users in the transmission range as the number of the audio output at the same time.
6. The method of claim 1, wherein outputting each channel of audio to a corresponding location of a user in a manner of shielding other users comprises:
loading the sound wave corresponding to the audio frequency into a carrier signal with a frequency higher than a preset frequency;
and outputting the carrier signal carrying the sound wave corresponding to the audio to the position of the user after the carrier signal is amplified by the sound wave signal amplifying device.
7. The method of any one of claims 1-6, further comprising:
when a wireless connection request of a preset terminal is received, verifying the preset terminal;
when the verification is passed, establishing wireless connection with the preset terminal;
determining that the preset terminal is a local main control device, and reporting an identifier corresponding to a local sound generating device to the preset terminal;
and when a control instruction of the preset terminal to the target sound generating device is received, executing the control instruction.
8. An audio output device, comprising:
the device comprises a first determining module, a second determining module and a control module, wherein the first determining module is used for determining the number of simultaneously output audios when a preset trigger event is detected;
the second determining module is used for respectively determining users corresponding to each path of audio when the number of the audio output at the same time is multiple;
and the output module is used for outputting each path of audio to the position of the corresponding user in a mode of shielding other users.
9. The apparatus of claim 8, wherein the output module comprises:
the loading submodule is used for loading the sound wave corresponding to the audio frequency into a carrier signal with the frequency higher than the preset frequency;
and the output sub-module is used for outputting the carrier signal carrying the sound wave corresponding to the audio frequency to the position of the user after being amplified by the sound wave signal amplification device.
10. The apparatus of any one of claims 8-9, further comprising:
the verification module is used for verifying a preset terminal when a wireless connection request of the preset terminal is received;
the establishing module is used for establishing wireless connection with the preset terminal when the verification is passed;
the reporting module is used for determining that the preset terminal is a local main control device and reporting an identifier corresponding to a local sound generating device to the preset terminal;
and the execution module is used for executing the control instruction when receiving the control instruction of the preset terminal to the target sound generating device.
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| CN113438548A (en) * | 2021-08-30 | 2021-09-24 | 深圳佳力拓科技有限公司 | Digital television display method and device based on video data packet and audio data packet |
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| CN107644603A (en) * | 2017-10-19 | 2018-01-30 | 京东方科技集团股份有限公司 | Double vision display device and its driving method |
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| CN113438548A (en) * | 2021-08-30 | 2021-09-24 | 深圳佳力拓科技有限公司 | Digital television display method and device based on video data packet and audio data packet |
| CN113438548B (en) * | 2021-08-30 | 2021-10-29 | 深圳佳力拓科技有限公司 | Digital television display method and device based on video data packet and audio data packet |
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