CN115794022A - Audio output method, apparatus, device, storage medium, and program product - Google Patents
Audio output method, apparatus, device, storage medium, and program product Download PDFInfo
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Abstract
The present application relates to an audio output method, apparatus, device, storage medium, and program product. The method comprises the following steps: acquiring a single-channel audio code stream corresponding to each display connected with the equipment; generating a target audio code stream of each display according to the single-track audio code stream corresponding to each display; and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel. By adopting the method, the hardware cost for realizing the corresponding different sounds of each display can be reduced.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to an audio output method, apparatus, device, storage medium, and program product.
Background
At present, in a computer system, application scenarios using one host and multiple displays are increasing, for example, application scenarios of multiple screens in a vehicle. Along with the connection of a host and a plurality of displays for data transmission, it is currently required that different displays have different corresponding sounds, so that users of different displays can obtain different sounds.
In the related art, sound cards corresponding to displays are generally set in a host, that is, a plurality of sound cards are set in the host, and then different sounds are output through the sound cards corresponding to the displays for different users to use.
However, the above technique has a problem of large hardware cost.
Disclosure of Invention
In view of the above, it is desirable to provide an audio output method, an apparatus, a device, a storage medium, and a program product that can reduce hardware cost for implementation when different sounds are associated with respective displays.
In a first aspect, the present application provides an audio output method, including:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
generating target audio code streams of the displays according to the single-channel audio code streams corresponding to the displays;
and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In one embodiment, the generating the target audio code stream of each display according to the monaural audio code stream corresponding to each display includes:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
In one embodiment, the obtaining a monaural audio code stream corresponding to each display connected to the device includes:
acquiring audio files corresponding to each display connected with the equipment;
coding and decoding each audio file, and determining an initial audio code stream corresponding to each display;
and determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
In one embodiment, the initial audio code stream includes at least one of an audio code stream in a mono mode, an audio code stream in a plurality of independent channel modes, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode.
In one embodiment, if the initial audio code stream includes an audio code stream in a mono channel mode, determining, according to the initial audio code stream corresponding to each display, a mono channel audio code stream corresponding to each display includes:
and taking the audio code stream of the single sound channel mode corresponding to the display as the single sound channel code stream corresponding to the display.
In one embodiment, if the initial audio code stream includes audio code streams in multiple independent channel modes, determining a monaural audio code stream corresponding to each display according to the initial audio code stream corresponding to each display includes:
and determining an audio code stream of an independent sound channel mode from the audio code streams of the plurality of independent sound channel modes as a single sound channel code stream corresponding to the display.
In one embodiment, if the audio code stream includes an audio code stream in an initial stereo mode or an audio code stream in a combined stereo mode, determining a monaural audio code stream corresponding to each display according to the initial audio code stream corresponding to each display includes:
and carrying out data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and taking the processed audio code stream as a single-channel audio code stream corresponding to the displayer.
In one embodiment, the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
In one embodiment, the outputting the target audio code streams respectively using the corresponding target channels includes:
determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends;
and respectively carrying out digital-to-analog conversion on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
In one embodiment, the determining, from the candidate channels of the slave device, a target channel corresponding to each target audio code stream includes:
determining target sound channels corresponding to the displays from the candidate sound channels of the equipment according to the target audio code streams and the preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams;
wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
In a second aspect, the present application also provides an audio output device, comprising:
the acquisition module is used for acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
the generating module is used for generating target audio code streams of the displays according to the single-channel audio code streams corresponding to the displays;
and the output module is used for determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In a third aspect, the present application further provides an apparatus, including a memory and a processor, where the memory stores a computer program, and the processor implements the following steps when executing the computer program:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
generating target audio code streams of the displays according to the single-track audio code streams corresponding to the displays;
and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In a fourth aspect, the present application further provides a computer readable storage medium having a computer program stored thereon, the computer program when executed by a processor implementing the steps of:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
generating target audio code streams of the displays according to the single-channel audio code streams corresponding to the displays;
and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In a fifth aspect, the present application also provides a computer program product comprising a computer program which, when executed by a processor, performs the steps of:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
generating target audio code streams of the displays according to the single-channel audio code streams corresponding to the displays;
and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
According to the audio output method, the audio output device, the audio output equipment, the audio output storage medium and the audio output program product, the single-channel audio code streams corresponding to the multiple displays connected with the audio output equipment are obtained, the target audio code streams of the displays are generated according to the single-channel audio code streams corresponding to the displays, the target sound channels corresponding to the target audio code streams are determined from the candidate sound channels of the audio output equipment, and the target audio code streams are output by respectively adopting the corresponding target sound channels. In the method, the target audio code stream generated by the single-channel audio code stream of each display can be output through the corresponding target sound channel determined from the candidate sound channels of the equipment, so that different sounds corresponding to each display are output, and the realization process is realized without adding a sound card in the equipment, so that the hardware cost of the equipment brought by the sound card can be reduced, namely the hardware cost of the equipment can be reduced.
Drawings
FIG. 1 is a diagram of an exemplary audio output method;
FIG. 2 is a flow diagram illustrating an audio output method according to one embodiment;
FIG. 3 is a diagram illustrating an example of a mono audio stream mixing process in another embodiment;
FIG. 4 is a flowchart illustrating an audio output method according to another embodiment;
FIG. 5 is a flowchart illustrating an audio output method according to another embodiment;
FIG. 6 is an exemplary diagram of a different sound output by a patch cord earphone in another embodiment;
fig. 7 is a diagram showing an example of a bluetooth headset outputting different sounds in another embodiment;
FIG. 8 is a block diagram showing the structure of an audio output device according to an embodiment;
fig. 9 is an internal structural diagram of the apparatus in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The audio output method provided by the embodiment of the application can be applied to the application environment shown in fig. 1. The device 102 may be connected to a plurality of displays 104, and the device 102 may transmit the processed data to each display 104 for display or output through each display 104. The device 102 may be a computer device, for example, a terminal or a server, and if the device is a terminal, the device may be but is not limited to various personal computers, notebook computers, smart phones, tablet computers, internet of things devices, and portable wearable devices, and the internet of things devices may be smart speakers, smart televisions, smart air conditioners, smart car devices, and the like. The portable wearable device can be a smart watch, a smart bracelet, a head-mounted device, and the like. If the server is a server, the server may be implemented by an independent server or a server cluster composed of a plurality of servers. The display 104 may include a display screen, which may be a liquid crystal display screen or an electronic ink display screen.
In one embodiment, as shown in fig. 2, an audio output method is provided, which is illustrated by applying the method to the device 102 in fig. 1, and the method may include the following steps:
s202, acquiring a single-channel audio code stream corresponding to each display connected with the equipment.
The monaural channel refers to a sound channel, and generally refers to a process of mixing audio signals from different directions, uniformly recording the audio signals, and then reproducing the audio signals by using a sound box. The audio code stream refers to an audio signal obtained after signal analysis, encoding and decoding, and the like. By processing the audio signal into a code stream and then processing the code stream into a single-sound-channel audio code stream, the calculated amount of data can be reduced subsequently, and the processing efficiency of the audio signal is improved.
Specifically, the device may control to display specific application software on each display, and then the device collects audio signals generated by the application software on each display in the running process to obtain audio signals corresponding to each display, and processes the audio signals of each display into a monaural audio code stream to obtain a monaural audio code stream corresponding to each display.
And S204, generating target audio code streams of the displays according to the single-channel audio code streams corresponding to the displays.
In this step, after the device obtains the monaural audio code streams generated by the application software on each display, taking a display as an example, multiple application software may generally be run on the display at the same time, each application software may generate a monaural audio code stream, and then the display may correspond to multiple different monaural audio code streams, so that the device may obtain multiple different monaural audio code streams corresponding to the display; then, the device may select one of the multiple monaural audio code streams corresponding to the display as a target audio code stream corresponding to the display, or may perform comprehensive processing on the multiple monaural audio code streams corresponding to the display to obtain the target audio code stream corresponding to the display.
The target audio code streams of other displays can be obtained by processing in this way, and will not be described herein again.
And S206, determining target sound channels corresponding to the target audio code streams from the candidate sound channels of the equipment, and outputting the target audio code streams by adopting the corresponding target sound channels respectively.
In this step, the device may include two or more candidate channels, and each of the candidate channels is generally different, and the candidate channel is a channel existing in the device itself, that is, a sound playing channel, so that different sound outputs may be performed without performing hardware improvement on the device, and thus, hardware cost of the device may be reduced.
In addition, as an optional embodiment, when determining a target channel corresponding to each target audio code stream from the candidate channels of the slave device, the target channel corresponding to each display may be determined from the candidate channels of the slave device according to each target audio code stream and a preset corresponding relationship, and each target channel is determined as the target channel corresponding to each target audio code stream; wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
That is to say, a corresponding relationship between the displays and the candidate channels of the device may be pre-established, where the corresponding relationship may include identifiers of multiple displays and candidate channels corresponding to the identifiers, and after the target audio code stream of each display is obtained, the candidate channels under the corresponding identifiers may be matched in the corresponding relationship through the identifiers of the displays, and the candidate channels are determined as the target channels corresponding to the displays, that is, the target channels corresponding to the target audio code stream of the display, so that the target audio code stream corresponding to each display may be output by using the target channels corresponding to the target audio code stream, and different sounds corresponding to each display are output by using different channels, that is, a purpose of multi-screen abnormal sound is achieved.
For example, taking a vehicle-mounted multi-screen scene as an example, assuming that a main driving seat has one display a, each of a plurality of passenger seats except the main driving seat has one display B, and the number of the displays B is greater than or equal to 1, in order to implement that the sounds played by the displays a and the displays B are different, the sound of the display a can be controlled by the vehicle-mounted terminal to be output by using a first candidate sound channel of the vehicle-mounted terminal, and the sound of the display B is output by using a second candidate sound channel of the vehicle-mounted terminal, that is, multi-screen abnormal sound is implemented, and hardware of the vehicle does not need to be improved, and hardware cost of the device does not increase.
In the audio output method, the monaural audio code streams corresponding to the multiple displays connected with the equipment are obtained, the target audio code streams of the displays are generated according to the monaural audio code streams corresponding to the displays, the target sound channels corresponding to the target audio code streams are determined from the candidate sound channels of the equipment, and the target audio code streams are respectively output by adopting the corresponding target sound channels. In the method, the target audio code stream generated by the single-channel audio code stream of each display can be output through the corresponding target sound channel determined from the candidate sound channels of the equipment, so that different sounds corresponding to each display are output, and the realization process is realized without adding a sound card in the equipment, so that the hardware cost of the equipment brought by the sound card can be reduced, namely the hardware cost of the equipment can be reduced.
In the above embodiments, it is mentioned that the corresponding target audio code stream can be generated by the monaural audio code stream of each display, and the following embodiments describe a possible implementation of this process in detail.
In another embodiment, another audio output method is provided, and on the basis of the foregoing embodiment, the foregoing S204 may include the following steps:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
In this step, as shown in fig. 3, for example, a display is assumed to correspond to 1 to N monaural audio streams, where N may be any positive integer greater than or equal to 1. After obtaining the monaural audio code stream 1, the monaural audio code streams 2 to (N-1) and the monaural audio code stream N, the 1 to N monaural audio code streams can be input into an audio mixer for audio mixing processing to obtain a monaural audio code stream, namely, a target audio code stream corresponding to the display. For other displays, sound mixing processing can be carried out according to the method so as to obtain the corresponding target audio code streams.
It should be noted that, if there is one monaural audio code stream corresponding to the display, the monaural audio code stream may also be input to the audio mixer to perform audio mixing processing, so as to obtain one audio code stream.
In addition, the audio mixer described above is a device that processes audio, and may be a software type audio mixer, and the mixing process may be to mix a digital audio file and a line input audio signal, etc., and then synthesize a separate digital audio file.
In this embodiment, one or more monaural audio code streams corresponding to each display are subjected to audio mixing processing to generate a target audio code stream of each display, so that the sound corresponding to the display can better meet the audiovisual experience of human ears, and the auditory experience of a user is improved.
In the above embodiments, it is mentioned that the device can obtain the monaural audio code stream corresponding to each display, and the following embodiments describe a possible implementation of this process in detail.
In another embodiment, another audio output method is provided, and based on the above embodiment, as shown in fig. 4, the above S202 may include the following steps:
s302, audio files corresponding to all displays connected with the equipment are obtained.
For the specific application software displayed on each display, the audio signal generated during the operation process may be stored in the form of an audio file, so that the device may obtain the audio signal generated by the application software displayed on each display by acquiring the audio file. For the audio signals generated by a plurality of application software on each display, each application software may correspond to one audio file, or a plurality of application software of one display may correspond to one audio file together.
For the storage format of the audio file, MP3, AAC, WAV, WMA, CDA, FLAC, M4A, MID, and the like may be included. Wherein, the MP3 English full name is: moving Picture Experts Group Audio Layer III, the Chinese name is: the motion video expert compresses the standard audio layer 3; AAC full name is: advanced Audio Coding, the full name of Chinese is: advanced audio coding; WAV Chinese full name is: a waveform sound file; the WMA English full name is: windows Media Audio, the Chinese full name is: microsoft Audio Format; the CDA English full name is: the CD track, chinese full name is: track index format; FLAC English is called as: free Lossless Audio Codec, which is a full name in chinese: lossless audio compression coding; the M4A Chinese full name is: an extension of a file of the MPEG-4 audio standard; the MID English full name is: the music Instrument Digital Interface, which is called as follows: music equipment digital interface.
Specifically, the device controls to display specific application software on each display, and then the device acquires audio files corresponding to the displays by collecting audio files corresponding to audio signals generated by the application software on each display in the running process, wherein each display generally corresponds to a different audio file.
Here, the audio files corresponding to each display are different, and may be different in storage format of the audio files, or different in storage information in the audio files. In addition, the storage formats of the audio files corresponding to each display may be the same or different, and if one display corresponds to a plurality of audio files, the storage formats of the plurality of audio files may be the same or different, so that the storage of audio signals satisfying various storage formats can be diversified, and the applicability of the audio output method is improved.
S304, coding and decoding the audio files, and determining the initial audio code streams corresponding to the displays.
In this step, the storage formats of general audio files may be different, and after the audio file corresponding to each display is obtained, the initial audio code stream corresponding to each display may be obtained by performing codec processing, that is, encoding processing, decoding processing, and the like on each audio file. The converted audio code stream can be used in each subsequent audio output processing process without format conversion, so that the audio output efficiency can be improved.
And S306, determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
In this step, after obtaining the initial audio code stream corresponding to each display, as an optional embodiment, the initial audio code stream includes at least one of an audio code stream in a mono mode, an audio code stream in multiple independent channel modes, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode. The following describes how to determine the monaural audio code stream when the initial audio code stream is in these situations:
as an optional embodiment, if the initial audio code stream includes an audio code stream in a mono mode, the audio code stream in the mono mode corresponding to the display may be used as the mono code stream corresponding to the display. Namely, if the initial audio code stream corresponding to one display is the audio code stream in the mono channel mode, the device only performs coding and decoding processing on the audio file corresponding to the display, does not perform any processing on the obtained audio code stream, and directly uses the audio code stream as the mono channel audio code stream corresponding to the display.
As an optional embodiment, if the initial audio code stream includes audio code streams in multiple independent channel modes, an audio code stream in an independent channel mode may be determined from the audio code streams in the multiple independent channel modes as a monaural code stream corresponding to the display. After the audio code streams of the multiple independent channel modes corresponding to one display are obtained, the device only performs coding and decoding processing on the audio file corresponding to the display, and the obtained audio code stream can be used as a single-channel audio code stream corresponding to the display.
As an optional embodiment, if the initial audio code stream includes an audio code stream in a stereo mode or an audio code stream in a joint stereo mode, the audio code stream in the stereo mode or the audio code stream in the joint stereo mode is subjected to data processing, and the processed audio code stream is used as a monaural audio code stream corresponding to the display.
The device can perform Codec coding and decoding processing on the audio file, then can weight and superpose the data of the two sound channels according to the time sequence and synthesize one sound channel as a single sound channel audio code stream; other extraction modes can be selected, and in short, a single-channel audio code stream can be obtained, namely, the single-channel audio code stream corresponding to the display is obtained.
For the audio code stream of the display corresponding to the joint stereo mode, the mode only uniformly codes the parts with strong correlation of the two sound channels on the basis of the stereo mode; after the device performs Codec coding and decoding processing on the audio file, the device can generate a monaural audio code stream from the generated stereo code stream in the same manner as the stereo mode, namely, obtain the monaural audio code stream corresponding to the display.
In the embodiment, the device obtains the initial audio code stream by encoding and decoding the obtained audio files of the displays, and obtains the corresponding single-channel audio code stream through the initial audio code stream, so that the single-channel audio code stream corresponding to each display obtained by the device is more accurate through the process of analyzing and processing the audio files one step by one step, and the subsequent audio output result is more accurate. In addition, the monaural audio code streams in various modes are obtained by respectively processing the initial audio code streams in various modes, so that the monaural audio code streams in various modes can be covered, the applicability of the audio output method is improved, and the obtained monaural audio code streams can be more accurate by mode-division processing.
In the above embodiments, it is mentioned that the device may include a plurality of candidate channels, and as an optional embodiment herein, the candidate channels of the device may include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
The left channel and the right channel are both channels in a binaural stereo system of the device itself, and may each output different audio code streams, and the target channels corresponding to at least two displays in each display are different, for example, one display may correspond to the left channel, and both the display and the left channel correspond to the right channel; or one part of the display corresponds to the left channel and the other part of the display corresponds to the right channel; or one display corresponds to the right sound channel, and the display and the right sound channel both correspond to the left sound channel, so that multi-screen abnormal sounds are realized.
By way of example, continuing to take the vehicle-mounted multi-screen scene as an example, assuming that the main driving seat has one display a, each of the passenger seats except the main driving seat has one display B, and the number of the displays B is greater than or equal to 1, in order to realize that the sounds played by the displays a and the displays B are different, the sound of the display a can be controlled by the vehicle-mounted terminal to be output by using the left channel of the vehicle-mounted terminal, and the sound of the display B is output by using the right channel of the vehicle-mounted terminal, where the display pictures and the output sounds of all the displays B are the same, but are different from the output sound of the display a, i.e., the multi-screen abnormal sound is realized, so that no improvement on the hardware of the vehicle is needed, and therefore, the hardware cost of the device is not increased.
Based on the left and right channels, in order to eliminate the influence of the multi-screen abnormal sound on different users during output, which causes sound interference, the following embodiments may eliminate the influence by combining with the audio output device.
In another embodiment, on the basis of the foregoing embodiment, as shown in fig. 5, the outputting, in the step S206, each target audio code stream by using a corresponding target channel respectively may include the following steps:
s402, determining an audio output device connected with a target channel on the device; the audio output device comprises two output ends.
And S404, respectively performing digital-to-analog conversion on each target audio code stream and outputting the target audio code stream by adopting a corresponding output end.
The audio output device can be a plug wire earphone or a Bluetooth earphone, and the two output ends are respectively a right earphone.
As shown in fig. 6, assuming that the audio output device is a plug-in earphone, after target audio channels corresponding to target audio code streams of different displays are obtained, an interface end of the plug-in earphone may be inserted into an audio output port of the device, and after connection, digital-to-analog conversion processing may be performed on the target audio code streams of the displays by the device, or other audio processing may be performed, and then, the converted target audio code streams may be output through two output ends corresponding to the plug-in earphone, for example, the target audio code stream corresponding to the first display (corresponding to the screen 1 in the drawing) may be output through a left earphone, that is, the left earphone may be used by a user viewing the first display (corresponding to the screen 2 in the drawing), and the target audio code stream corresponding to the second display may be output through a right earphone, that is, the right earphone may be used by a user viewing the second display. Different positions of the interface end of the plug-in earphone correspond to different target sound channels, and the left earphone and the right earphone correspond to different target sound channels, so that different audio code streams can be output through two output ends of the plug-in earphone.
As shown in fig. 7, if the audio output device is a bluetooth headset, the device needs to have a bluetooth communication module (i.e., a bluetooth module in the figure), after obtaining target channels corresponding to target audio code streams of different displays, the device can be connected to the bluetooth communication module of the device through the bluetooth headset, and the rest of the devices are the same as the patch headset, and can output each of the converted target audio code streams through two output ends corresponding to the bluetooth headset. For example, the corresponding target audio code stream of the first display is output through a left-side earphone, that is, the left-side earphone can be used by a user viewing the first display, and the corresponding target audio code stream of the second display is output through a right-side earphone, that is, the right-side earphone can be used by a user viewing the second display. Wherein the left and right earphones of the Bluetooth earphone correspond to different target sound channels, thereby realizing outputting different audio code streams through two output ends of the Bluetooth earphone.
In this embodiment, by determining the audio output device connected to the target channel on the device, and performing digital-to-analog conversion on each target audio code stream and then outputting the target audio code stream through the output terminal corresponding to the audio output device, different audio code streams are output through different output terminals of the audio output device, so that the problem of interference caused by the sound of users of multiple displays can be avoided, and the hearing experience of the users can be further improved.
In order to more clearly illustrate the specific flow of the present solution, a detailed embodiment is given below for detailed description, and on the basis of the above embodiment, the method may include the following steps:
s1, acquiring audio files corresponding to displays connected with equipment;
s2, encoding and decoding each audio file, and determining an initial audio code stream corresponding to each display;
s3, if the initial audio code stream comprises the audio code stream in the single track mode, taking the audio code stream in the single track mode corresponding to the display as the single track code stream corresponding to the display;
s4, if the initial audio code stream comprises audio code streams of a plurality of independent sound channel modes, determining an audio code stream of an independent sound channel mode from the audio code streams of the plurality of independent sound channel modes as a single sound channel code stream corresponding to the display;
s5, if the initial audio code stream comprises an audio code stream in a stereo mode or an audio code stream in a combined stereo mode, performing data processing on the audio code stream in the stereo mode or the audio code stream in the combined stereo mode, and taking the processed audio code stream as a single-track audio code stream corresponding to the display;
s6, aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display;
s7, determining target sound channels corresponding to the displays from the candidate sound channels of the equipment according to the target audio code streams and the preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams; wherein, the corresponding relation comprises the corresponding relation between a display and a candidate sound channel of the equipment; the candidate sound channels of the equipment comprise a left sound channel and a right sound channel, and the target sound channels corresponding to the target audio code streams of at least two displays are different;
s8, determining audio output equipment connected with a target sound channel on the equipment; the audio output device comprises two output ends;
and S9, respectively performing digital-to-analog conversion on each target audio code stream and outputting the target audio code stream by adopting a corresponding output end.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides an audio output apparatus for implementing the audio output method mentioned above. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the method, so the specific limitations in one or more embodiments of the audio output device provided below can refer to the limitations on the audio output method in the foregoing, and details are not described here.
In one embodiment, as shown in fig. 8, there is provided an audio output device including: an obtaining module 11, a generating module 12 and an output module 13, wherein:
the acquisition module 11 is configured to acquire a monaural audio code stream corresponding to each display connected to the device;
the generating module 12 is configured to generate a target audio code stream of each display according to the monaural audio code stream corresponding to each display;
and the output module 13 is configured to determine a target sound channel corresponding to each target audio code stream from the candidate sound channels of the device, and output each target audio code stream by using the corresponding target sound channel.
In another embodiment, another audio output device is provided, and the generating module 12 may include:
and the sound mixing unit is used for carrying out sound mixing processing on one or more single-channel audio code streams corresponding to the displays aiming at each display to generate a target audio code stream of each display.
In another embodiment, another audio output device is provided, and the obtaining module 11 may include:
the device comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring audio files corresponding to displays connected with the device;
the encoding and decoding unit is used for encoding and decoding each audio file and determining an initial audio code stream corresponding to each display;
and the audio determining unit is used for determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
Optionally, the initial audio code stream includes at least one of an audio code stream in a mono channel mode, an audio code stream in a multiple independent channel mode, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode.
Optionally, if the initial audio code stream includes an audio code stream in a mono mode, the audio determining unit is specifically configured to use the audio code stream in the mono mode corresponding to the display as the mono code stream corresponding to the display.
Optionally, if the initial audio code stream includes audio code streams in multiple independent channel modes, the audio determining unit is specifically configured to determine an audio code stream in an independent channel mode from the audio code streams in the multiple independent channel modes as a monaural code stream corresponding to the display.
Optionally, if the initial audio code stream includes an audio code stream in a stereo mode or an audio code stream in a joint stereo mode, the initial audio code stream is specifically configured to perform data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and the processed audio code stream is used as a monaural audio code stream corresponding to the display.
In another embodiment, the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
Optionally, the output module 13 may include:
a device determination unit for determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends;
and the output unit is used for respectively carrying out digital-to-analog conversion processing on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
In another embodiment, another audio output device is provided, and the output module 13 may further include:
the target sound channel determining unit is used for determining a target sound channel corresponding to each display from the candidate sound channels of the equipment according to each target audio code stream and a preset corresponding relation, and determining each target sound channel as a target sound channel corresponding to each target audio code stream; wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
The various modules in the audio output device described above may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent from a processor in the device, and can also be stored in a memory in the device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, an apparatus is provided, for example, the apparatus is a terminal, and the internal structure thereof may be as shown in fig. 9. The apparatus includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the device is configured to provide computing and control capabilities. The memory of the device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operating system and the computer program to run on the non-volatile storage medium. The communication interface of the device is used for communicating with an external terminal in a wired or wireless manner, which may be implemented by WIFI, mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement an audio output method. The display screen of the device can be a liquid crystal display screen or an electronic ink display screen, and the input device of the device can be a touch layer covered on the display screen or a key, a track ball or a touch pad and the like arranged on the shell of the device.
Those skilled in the art will appreciate that the configuration shown in fig. 9 is a block diagram of only a portion of the configuration associated with the present application and does not constitute a limitation on the devices to which the present application applies, and that a particular device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, there is provided an apparatus comprising a memory having a computer program stored therein and a processor that when executing the computer program performs the steps of:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment; generating target audio code streams of the displays according to the single-track audio code streams corresponding to the displays; and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
In one embodiment, the processor when executing the computer program further performs the steps of:
acquiring audio files corresponding to each display connected with the equipment; coding and decoding each audio file, and determining an initial audio code stream corresponding to each display; and determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
In an embodiment, the initial audio code stream includes at least one of an audio code stream in a mono mode, audio code streams in a plurality of independent channel modes, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode.
In one embodiment, the processor when executing the computer program further performs the steps of:
and taking the audio code stream of the single sound channel mode corresponding to the display as the single sound channel code stream corresponding to the display.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and determining an audio code stream of an independent sound channel mode from the audio code streams of the plurality of independent sound channel modes as a single sound channel code stream corresponding to the display.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and carrying out data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and taking the processed audio code stream as a single-channel audio code stream corresponding to the display.
In one embodiment, the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends; and respectively carrying out digital-to-analog conversion processing on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
determining target sound channels corresponding to the displays from the candidate sound channels of the equipment according to the target audio code streams and the preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams; wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment; generating target audio code streams of the displays according to the single-track audio code streams corresponding to the displays; and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring audio files corresponding to each display connected with the equipment; coding and decoding each audio file, and determining an initial audio code stream corresponding to each display; and determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
In an embodiment, the initial audio code stream includes at least one of an audio code stream in a mono mode, audio code streams in a plurality of independent channel modes, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and taking the audio code stream of the single sound channel mode corresponding to the display as the single sound channel code stream corresponding to the display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and determining an audio code stream of an independent sound channel mode from the audio code streams of the plurality of independent sound channel modes as a single sound channel code stream corresponding to the display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and carrying out data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and taking the processed audio code stream as a single-channel audio code stream corresponding to the display.
In one embodiment, the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends; and respectively carrying out digital-to-analog conversion processing on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining target sound channels corresponding to the displays from the candidate sound channels of the equipment according to the target audio code streams and the preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams; wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
In one embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, performs the steps of:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment; generating target audio code streams of the displays according to the single-track audio code streams corresponding to the displays; and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring audio files corresponding to each display connected with the equipment; coding and decoding each audio file, and determining an initial audio code stream corresponding to each display; and determining the single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
In an embodiment, the initial audio code stream includes at least one of an audio code stream in a mono mode, an audio code stream in a plurality of independent channel modes, an audio code stream in a stereo mode, and an audio code stream in a joint stereo mode.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and taking the audio code stream of the single sound channel mode corresponding to the display as the single sound channel code stream corresponding to the display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and determining an audio code stream of an independent sound channel mode from the audio code streams of the plurality of independent sound channel modes as a single sound channel code stream corresponding to the display.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and carrying out data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and taking the processed audio code stream as a single-channel audio code stream corresponding to the display.
In one embodiment, the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of the at least two displays are different.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends; and respectively carrying out digital-to-analog conversion on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining target sound channels corresponding to the displays from the candidate sound channels of the equipment according to the target audio code streams and the preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams; wherein the correspondence includes a correspondence between the display and a candidate channel of the device.
It should be noted that the data referred to in the present application (including but not limited to data for analysis, stored data, displayed data, etc.) are information and data that are authorized by the user or sufficiently authorized by each party.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), magnetic Random Access Memory (MRAM), ferroelectric Random Access Memory (FRAM), phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases involved in the embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the various embodiments provided herein may be, without limitation, general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, or the like.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (14)
1. An audio output method, characterized in that the method comprises:
acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
generating a target audio code stream of each display according to the single-track audio code stream corresponding to each display;
and determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment, and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
2. The method of claim 1, wherein the generating a target audio code stream for each display according to a mono audio code stream corresponding to each display comprises:
and aiming at each display, performing sound mixing processing on one or more single-channel audio code streams corresponding to the display to generate a target audio code stream of each display.
3. The method according to claim 1 or 2, wherein the obtaining of the monaural audio code stream corresponding to each display connected to the device comprises:
acquiring audio files corresponding to each display connected with the equipment;
coding and decoding each audio file, and determining an initial audio code stream corresponding to each display;
and determining a single-channel audio code stream corresponding to each display according to the initial audio code stream corresponding to each display.
4. The method of claim 3, wherein the initial audio code stream comprises at least one of a mono mode audio code stream, a plurality of independent channel modes audio code streams, a stereo mode audio code stream, and a joint stereo mode audio code stream.
5. The method of claim 3, wherein the initial audio code stream comprises a mono audio code stream, and the determining the mono audio code stream corresponding to each of the displays according to the initial audio code stream corresponding to each of the displays comprises:
and taking the audio code stream of the single sound channel mode corresponding to the display as the single sound channel code stream corresponding to the display.
6. The method of claim 3, wherein the initial audio code stream comprises audio code streams in a plurality of independent channel modes, and the determining the monaural audio code stream corresponding to each display according to the initial audio code stream corresponding to each display comprises:
and determining an audio code stream of an independent sound channel mode from the audio code streams of the independent sound channel modes as a single sound channel code stream corresponding to the display.
7. The method of claim 3, wherein the initial audio code stream comprises an audio code stream in a stereo mode or an audio code stream in a joint stereo mode, and the determining the monaural audio code stream corresponding to each of the displays according to the initial audio code stream corresponding to each of the displays comprises:
and carrying out data processing on the audio code stream in the stereo mode or the audio code stream in the joint stereo mode, and taking the processed audio code stream as a single-track audio code stream corresponding to the display.
8. The method of claim 1 or 2, wherein the candidate channels of the device include a left channel and a right channel, and the target channels corresponding to the target audio streams of at least two of the displays are different.
9. The method of claim 8, wherein outputting each of the target audio code streams by using a corresponding target channel comprises:
determining an audio output device connected to a target channel on the device; the audio output device comprises two output ends;
and respectively carrying out digital-to-analog conversion on each target audio code stream and then outputting the target audio code stream by adopting a corresponding output end.
10. The method according to claim 1 or 2, wherein the determining a target channel corresponding to each target audio code stream from the candidate channels of the device includes:
determining target sound channels corresponding to the displays from candidate sound channels of the equipment according to the target audio code streams and a preset corresponding relation, and determining the target sound channels as the target sound channels corresponding to the target audio code streams;
wherein the correspondence comprises a correspondence between a display and a candidate channel of the device.
11. An audio output device, characterized in that the device comprises:
the acquisition module is used for acquiring a single-channel audio code stream corresponding to each display connected with the equipment;
the generating module is used for generating target audio code streams of the displays according to the single-track audio code streams corresponding to the displays;
and the output module is used for determining a target sound channel corresponding to each target audio code stream from the candidate sound channels of the equipment and outputting each target audio code stream by respectively adopting the corresponding target sound channel.
12. An apparatus comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of any one of claims 1 to 10 when executing the computer program.
13. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 10.
14. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 10 when executed by a processor.
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