CN117234454B - Multichannel audio output control method and device and electronic equipment - Google Patents
Multichannel audio output control method and device and electronic equipment Download PDFInfo
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Abstract
The invention discloses a multichannel audio output control method, which is used for a multichannel audio output control device, wherein the output control device comprises a plurality of audio output channels, at least one background audio channel is arranged in the plurality of audio output channels, and the background audio channel is used for outputting background audio and comprises the following steps: when the background audio channel is in a state of outputting background audio, controlling a plurality of audio output channels to enter a synchronous output state, and simultaneously outputting the audio on each channel by the plurality of audio output channels in the synchronous output state; when trigger audio is input, receiving the trigger audio, analyzing corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except background audio; controlling the triggering audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel; the invention can reduce the influence of the trigger audio on the background audio play, so that the user can not be interrupted to listen to the background audio.
Description
Technical Field
The present invention relates to the field of audio control, and in particular, to a method and apparatus for controlling multi-channel audio output, and an electronic device.
Background
With the development of technology, electronic devices are developed more mature. The electronic device may perform audio input for multiple sound sources, as well as multi-channel audio output.
However, in the related art, when the electronic device performs multi-channel audio output and the trigger audio is generated by the trigger audio input, the background audio in the multi-channel audio output is disturbed, so that the multi-channel audio output cannot be performed according to the set output content, and the user experience is poor.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the multi-channel audio output control method, the device and the electronic equipment are provided, so that the background audio is prevented from being disordered during multi-channel audio output, multi-channel audio output can be performed according to set output content, and user experience is good.
In order to solve the technical problems, the invention adopts a technical scheme that:
a multi-channel audio output control method for a multi-channel audio output control device, the output control device comprising a plurality of audio output channels including at least one background audio channel for outputting background audio, the method comprising:
Judging whether the background audio channel is in a state of outputting background audio, and controlling the plurality of audio output channels to enter a synchronous output state when the background audio channel is in the state of outputting the background audio, wherein the plurality of audio output channels simultaneously output the audio on the respective channels in the synchronous output state;
when trigger audio is input, receiving the trigger audio, and analyzing corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except the background audio;
controlling the triggering audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel;
the background audio channel or the target output channel comprises a peripheral channel, the peripheral channel comprises a left channel and a right channel, the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch and/or a right audio switch are/is configured on the left channel; the method for controlling the background audio to be output through the background audio channel comprises the following steps:
when the peripheral channel receives background audio and trigger audio at the same time, the left audio switch is controlled to be turned off, so that the left channel stops outputting audio to the left loudspeaker, and the background audio is mixed and then is output to the right loudspeaker through the right channel; or (b)
And controlling the right audio switch to be disconnected so as to stop the right channel from outputting audio to the right loudspeaker, and outputting the background audio to the left loudspeaker through the left channel after mixing.
In order to solve the technical problems, the invention adopts another technical scheme that:
a multi-channel audio output control device comprising a plurality of audio output channels including at least one background audio channel for outputting background audio and a controller for performing the following method:
judging whether the background audio channel is in a state of outputting background audio, and controlling the plurality of audio output channels to enter a synchronous output state when the background audio channel is in the state of outputting the background audio, wherein the plurality of audio output channels simultaneously output the audio on the respective channels in the synchronous output state;
when trigger audio is input, receiving the trigger audio, and analyzing corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except the background audio;
controlling the triggering audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel;
The background audio channel or the target output channel comprises a peripheral channel, the peripheral channel comprises a left channel and a right channel, the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch and/or a right audio switch are/is configured on the left channel;
when the peripheral channel receives background audio and trigger audio at the same time, the left audio switch is controlled to be turned off, so that the left channel stops outputting audio to the left loudspeaker, and the background audio is mixed and then is output to the right loudspeaker through the right channel; or (b)
And controlling the right audio switch to be disconnected so as to stop the right channel from outputting audio to the right loudspeaker, and outputting the background audio to the left loudspeaker through the left channel after mixing.
In order to solve the technical problems, the invention adopts another technical scheme that:
an electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, the processor implementing the steps of a multi-channel audio output control method as described above when executing the computer program.
The invention has the beneficial effects that: according to the method and the device, whether the background audio channel is in the state of outputting the background audio is judged, when the background audio channel is in the state of outputting the background audio, the synchronous output state of the plurality of audio output channels is started, and in the synchronous output state, the plurality of audio output channels simultaneously output the audio on the respective channels, so that the output of the background audio in the background audio channel can not be interrupted when the triggering audio is input, and the background audio is prevented from being disturbed when the multi-channel audio is output. Meanwhile, when trigger audio is input, the corresponding channel information in the trigger audio is analyzed to obtain a target output channel, wherein the trigger audio comprises other audio except background audio; and then controlling the trigger audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel. By using the method, in a scene with a plurality of sound sources and a plurality of audio output channels, when the trigger audio input is generated, the background audio played in the background audio channel is not influenced, so that the user is not interrupted to listen to the background audio, and the user experience is good; in addition, the method and the device can control the triggering audio to be output through the target output channel, so that the effect of multi-channel audio output according to the set output content can be achieved.
Drawings
Fig. 1 is a flowchart of steps of a multi-channel audio output control method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a configuration of two channels when a peripheral channel is enabled according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a dual channel configuration when a peripheral channel is not enabled according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a mixing process according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a multi-channel audio output control device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, 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 for purposes of illustration only and are not intended to limit the present application.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
In the related art, when the electronic device performs multi-channel audio output and generates trigger audio when the trigger audio is generated by the trigger audio input, background audio in the multi-channel audio output is disturbed, and the multi-channel audio output cannot be performed according to the set output content, so that the user experience is poor.
For example, some electronic devices include multiple audio output channels, but the multiple audio output channels are mutually exclusive during actual use and cannot operate simultaneously. Such as the speaker of a cell phone and the earphone connected to the cell phone, normally only one party sounds.
Similarly, this problem is also associated with financial payment terminals such as cash registers. Financial payment terminals such as cash registers are equipped with a set of independent intelligent systems, such as android systems. The system can be provided with music playing software, and merchants can directly play background music through the music playing software on the cash register. Merchants often set up speakers at different locations in a store to play background music in order to achieve better ambiance. At this time, if the cash register generates other triggering audio output such as collection and takeaway prompts, the default scheme of the android system can directly output triggering audio in all audio output channels, or after weakening/cutting off the signal of the background audio which is being played originally, the triggering audio is output, so that part of users can receive information which is not valuable to them, for example, for the customers having dinner in a store, the prompt tones such as collection and takeaway are invalid information, and interrupting the playing of the original background audio such as background music can further affect the user experience. Therefore, in the related art, when a multi-channel audio output is performed by a financial payment terminal such as a cash register, when a trigger audio is generated by a trigger audio input, background audio in the multi-channel audio output is disturbed, and the multi-channel audio output cannot be performed according to the set output content, so that the user experience is poor. The financial payment terminal can comprise a cash register, a financial POS machine, an intelligent POS machine, a card swiping machine, a code scanner and other terminals with payment processing capacity.
In order to solve the above problems, the application provides a multi-channel audio output control method, a device and an electronic device. The following describes a multi-channel audio output control method.
The multi-channel audio output control method can be used for a multi-channel audio output control device, wherein the output control device comprises a plurality of audio output channels, at least one background audio channel is arranged in the plurality of audio output channels, and the background audio channel is used for outputting background audio. The audio output control device can be a terminal with a plurality of audio output channels and processing requirements of multi-sound source input, such as an intelligent cash register, a mobile phone, a computer and the like. For example, it may be the financial payment terminal described above.
The following describes the multi-channel audio output control method of the present invention in detail, including steps 110-130.
Step 110, judging whether the background audio channel is in a state of outputting background audio, and controlling the plurality of audio output channels to enter a synchronous output state when the background audio channel is in a state of outputting the background audio, wherein the plurality of audio output channels simultaneously output the audio on the respective channels in the synchronous output state.
The state where the background audio channel is outputting the background audio may be: the merchant sets up background audio play through audio output controlling means, for example, the merchant opens the music player, plays background audio. The merchant may also remotely control the audio output control device to output background audio, for example, the merchant sends a play instruction to the audio output control device through other intelligent devices.
When the background audio channels on the terminal with the processing requirement of multi-sound source input are in a state of outputting background audio, the method controls the plurality of audio output channels to enter a synchronous output state, and in the synchronous output state, the plurality of audio output channels simultaneously output the audio on the respective channels. The synchronous output state of the audio output control device is different from the original output state of the audio output control device, and the original output state of the audio output control device plays the trigger audio when the trigger audio exists.
And 120, when the trigger audio is input, receiving the trigger audio, and analyzing the corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except background audio.
The input of the trigger audio is that on the basis of playing the background audio, other audio inputs except the background audio exist. For example, for a mobile phone, background music played by the music player is background audio, and when the background music is played by the music player, if a message prompt tone, an alarm clock, an incoming call prompt tone and the like are input, the input of the audio is triggered. For the cash register, the background music played by the cash register is background audio, and if the background music is input with cashier prompt tones, takeaway prompt tones, welcome voices, meal taking notification and the like, the background music is input with triggering audio. The triggering audio can also be burst and short in duration; or may be added actively by the merchant for a long duration, such as a promotional notice or the like.
And 130, controlling the trigger audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel.
After the target output channel is confirmed, the triggering audio can be controlled to be output through the target output channel, and meanwhile, the background audio is controlled to be output through the background audio channel. So that each audio output channel sequentially outputs audio.
In one embodiment of the present application, the background audio channels of the present application include peripheral channels; the peripheral channel comprises a left channel and a right channel, wherein the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch is configured on the left channel and/or a right audio switch is configured on the right channel.
The background audio channel is set to be a peripheral channel, wherein the peripheral channel can present better music effect due to the left channel and the right channel. The peripheral channel in the application is a channel which is output to a loudspeaker outside the multi-channel audio output control device body for playing, for example, a channel which is output through an earphone interface on the multi-channel audio output control device body, a channel which is output through Bluetooth on the multi-channel audio output control device for transmitting audio outwards, and the like. The left audio switch is configured on the left channel and/or the right audio switch is configured on the right channel, so that the effect of cutting off the output audio of the left speaker of the left channel can be achieved by using the left audio switch, and the effect of cutting off the output audio of the right speaker of the right channel can be achieved by using the right audio switch.
When the peripheral channel receives the background audio and the trigger audio at the same time, the method for controlling the output of the background audio through the background audio channel in step S130 includes:
step 131, controlling the left audio switch to be turned off so as to stop the left channel from outputting audio to the left speaker, and outputting the background audio to the right speaker through the right channel after mixing; or (b)
Step 132 controls the right audio switch to be turned off so that the right channel stops outputting audio to the right speaker, and the background audio is mixed and then output to the left speaker through the left channel.
The fact that the peripheral channel receives the background audio and the trigger audio simultaneously means that when the peripheral channel has the trigger audio and the background audio input simultaneously, the peripheral channel is configured with the left channel and the right channel, and in this case, the background audio and the trigger audio can respectively walk the left channel and the right channel, so that audio confusion output by the peripheral channel can be caused, and user experience is greatly affected. For example, taking a cash register as an example, when the cash register has both background audio and trigger audio, the two audio will walk the left channel and the right channel of the peripheral channel (such as the earphone channel) of the cash register at the same time, so that the audio output through the earphone is very disordered, which greatly affects the user experience. The present application specifically discloses the content of step 131 or step 132 above in order to solve the problem.
Wherein, step 131 and step 132 are alternative schemes, when the left audio switch is controlled to be turned off, the left channel stops outputting audio to the left speaker, and the left speaker is silent. When the right audio switch is controlled to be turned off, the right channel stops the right speaker from outputting audio, and the right speaker does not sound. The above-described improvements of the present application are made based on the existence of multi-tone interference in the related art.
In the related art, the peripheral channels of the electronic device include a left channel and a right channel, the left channel is connected to a left speaker, and the right channel is connected to a right speaker, but in the related art, the left channel is not configured with a left audio switch or the right channel is not configured with a right audio switch. This presents the following problems: because one sound channel can play one sound source, when two sound sources (background audio and trigger audio) correspond to one audio output channel with two sound channels, the left sound channel and the right sound channel can respectively play two sound sources, and because the peripheral channel is usually connected with equipment with the left sound channel and the right sound channel respectively output, such as an earphone or a sound box group with more than one sound channel, playing different sound sources on two sides of the earphone can influence the receiving of information by a user, which influences the playing experience of using the peripheral channel. When the background audio and the trigger audio exist, the sound output by the background audio channel comprises the background audio and the trigger audio at the same time, so that the experience is poor for customers.
And the application is provided with a left audio switch on the left channel and/or a right audio switch on the right channel. The left audio switch or the right audio switch can be controlled to realize the opening and closing of a single sound channel, and then the sound channel on one side of the earphone can be closed, so that a user cannot receive information of two sound sources at the same time, confusion to the user is avoided, and user experience can be further improved.
The invention has the beneficial effects that: according to the method and the device, whether the background audio channel is in the state of outputting the background audio is judged, when the background audio channel is in the state of outputting the background audio, the synchronous output state of the plurality of audio output channels is started, and in the synchronous output state, the plurality of audio output channels simultaneously output the audio on the respective channels, so that the output of the background audio in the background audio channel can not be interrupted when the triggering audio is input, and the background audio is prevented from being disturbed when the multi-channel audio is output. Meanwhile, when trigger audio is input, the corresponding channel information in the trigger audio is analyzed to obtain a target output channel, wherein the trigger audio comprises other audio except background audio; and then controlling the trigger audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel. By using the method, in a scene with a plurality of sound sources and a plurality of audio output channels, when the trigger audio input is generated, the background audio played in the background audio channel is not influenced, so that the user is not interrupted to listen to the background audio, and the user experience is good; in addition, the method and the device can control the triggering audio to be output through the target output channel, so that the effect of multi-channel audio output according to the set output content can be achieved.
In one embodiment of the present application, it is determined whether the background audio channel is in a state of outputting the background audio, and when the background audio channel is not in a state of outputting the background audio, a default output mode is maintained, that is, the audio output control device maintains an original output state, and in the original output state, when there is a trigger audio, the trigger audio will be played, and at this time, all the audio output channels are playing the trigger audio. By utilizing the scheme, the stability of the audio output control device is prevented from being reduced due to frequent switching, and the stability of the audio output control device can be effectively improved.
In one embodiment of the present application, in step 110, in the android system, the method for determining that the background audio channel is in a state of outputting the background audio may include:
acquiring a playing state of a native player of the audio output control device; if the original player is in a playing state, indicating that the background audio channel is in a state of outputting background audio; if the native player is not in the playing state, the background audio channel is not in the state of outputting the background audio.
The audio output control device can use an android system, and the native players (MediaPlayer and Audio Traker) of the android system are called by the interface to play the audio when all music playing software plays the music. For example, when a third party player is installed on the cash register, the third party player is also the native player that is invoked when the user plays music through the third party player. Therefore, the method can judge that the background audio channel is in the state of outputting the background audio, is simple and quick, does not need to aim at the states of a plurality of third-party players, and greatly shortens the time for judging that the background audio channel is in the state of outputting the background audio. It should be noted that, the triggering audio in the present application may not need to be performed by a native player, and the native player may be understood as a player that plays a specific audio file, for example, MP3, MP4, WMA, etc., and the native player needs to perform decoding processing on the specific audio file and then play the specific audio file. The triggering audio can be directly output through the audio output channel, so that the scheme is suitable for the condition that the triggering audio does not need to be played by using a native player.
In one embodiment of the present application, in step 110, the method for determining that the background audio channel is in a state of outputting the background audio may further include:
acquiring a trigger instruction; if the trigger instruction is received, the background audio channel is indicated to be in a state of outputting background audio; and if the trigger instruction is not received, indicating that the background audio channel is not in a state of outputting the background audio.
The trigger instruction may be an instruction that the audio output control device automatically responds to output when there is trigger audio. The audio output control device can set a preset mapping table, wherein the preset mapping table comprises all trigger audio. When the input audio belongs to the trigger audio in the mapping table, the corresponding trigger instruction can be automatically output. Therefore, the method can directly judge that the background audio channel is in the state of outputting the background audio in a mode of triggering the instruction, is simple and quick, can be suitable for the situation that the triggering audio needs to be played by using the original player, and has strong applicability.
In one embodiment of the present application, in step 110, a method of controlling a plurality of audio output channels to enter a synchronous output state may include:
And controlling the plurality of audio output channels to independently operate without mutual interference.
When the audio output control device uses the android system, the default mode of the android system is that the android system is mutually interfered by default when audio input exists, the application modifies the interference logic in the android system, and when the background audio channel is in a state of outputting background audio, the audio output channels are controlled to independently operate and are not mutually interfered. Multiple audio output channels can be quickly controlled to enter a synchronous output state.
In one embodiment of the present application, the method for obtaining the target output channel by analyzing the corresponding channel information in the trigger audio in step 120 includes:
step 121, analyzing the trigger audio, and determining the type of the trigger audio.
The trigger audio can be of different types, and the type of the trigger audio can be obtained by analyzing the trigger audio. For example, a special identification code may be used to distinguish between different types. When the audio output control device is a cash register, the type of trigger audio may be a receipt information audio, a welcome information audio, a take-out information audio, a meal taking information audio, etc., which may be identified by identification codes S, H, W and Q, respectively. The collection information audio is used to prompt the merchant for the receipt of money, so that the audio may be played through a speaker located closer to the merchant, such as a speaker of a cash register. And the take-away information audio is used to prompt the merchant that a take-away order is available, which can also be played through a speaker that is closer to the merchant. While the welcome message audio user indicates welcome to the customer and can be output via a bluetooth channel to a speaker located at the doorway. The meal taking information audio is used for prompting a customer to take a meal, and the meal taking information audio can be output to a buzzer positioned on a table of the customer through a Bluetooth channel for playing. Wherein, bluetooth passageway also is an audio output passageway that this application audio output controlling means established, can set up a plurality of bluetooth passageways and connect different speakers respectively, for example, establishes to bluetooth passageway 1 with the speaker of gate department, will connect setting up of customer desktop buzzer to bluetooth passageway 2, realizes the audio playback effect of different regions and different functions through a plurality of bluetooth passageways.
And step 122, confirming channel information according to the type of the trigger audio to obtain a target output channel.
The channel information may be determined by triggering the type of audio, e.g. the welcome information in the example above may be bluetooth channel 1. Therefore, different target output channels can be obtained according to different types of the trigger audio to output the trigger audio, and different types of people needing the trigger audio can be accurately positioned. For example, when a checkout is made, a checkout success notification is played through a local default speaker; when a user is sensed to enter a store, outputting the user to a gate loudspeaker through a Bluetooth channel 1; when receiving the take-out order, playing through a local default loudspeaker; when prompting the user to get the meal, output desktop bee calling organ through bluetooth passageway 2, then can communicate the information comparatively accurately, avoid using the user of different passageways to receive the audio frequency of indifferent, further avoid the mutual interference of audio frequency, improve user's experience.
In one embodiment of the present application, an audio intercommunication switch is disposed between the left speaker and the right speaker, and further, the method for outputting the background audio through the right channel after mixing the background audio in step 131 includes:
Step 1311, mixing the background audio into mono background audio;
step 1312, outputting the mono background audio to the right speaker through the right channel;
step 1313, controlling the audio intercommunication switch to be closed, so that the left speaker and the right speaker play the mono background audio.
The method for mixing the background audio and outputting the mixed background audio through the left channel in step 132 includes:
step 1321, mixing the background audio into mono background audio;
step 1322, outputting the mono background audio to the left speaker through the left channel;
and 1323, controlling the audio intercommunication switch to be closed so that the left speaker and the right speaker play the mono background audio.
The original method of step 131 or step 132 may make the left speaker have no sound or the right speaker have no sound, and thus the user experience is not good enough. The direct turn-off of the peripheral output of the left channel or the right channel can cause that the speaker corresponding to the turned-off side channel has no sound, which can also give the user bad use experience, and the user misuses the speaker as the hardware equipment to have a fault. On the basis, an audio intercommunication switch is arranged between the left speaker and the right speaker, and the corresponding method for mixing the background audio in step 131 and outputting the mixed background audio through the right channel comprises the steps of mixing the background audio into mono background audio; outputting the mono background audio to a right loudspeaker through a right channel; and controlling the audio intercommunication switch to be closed so that the left loudspeaker and the right loudspeaker both play the mono background audio. Thus, the user side can hear the audio output by the right channel and the left channel. Therefore, the problem of poor user experience caused by no sound of one loudspeaker can be avoided. Namely, the method and the device realize that the background audio channel is not interfered by the triggering audio through sacrificing the tone quality (without a left channel), and improve the user experience.
The method in step 132 is similar to the method in step 131, and is merely a left-right channel switching, which is not described herein.
In one embodiment of the present application, the method principle of mixing background audio into mono background audio is shown in fig. 4. Mixing is to adjust the left channel and the right channel (the left channel L1 and the right channel R1 corresponding to the sound source 1 and the left channel L2 and the right channel R2 corresponding to the sound source 2) from the same sound source according to a preset amplitude control, process the signals through a mixer and a gain unit, guide the digital signals into a coder and decoder (CODEC) through a PDM (Pulse Density Modulation) interface, convert the digital signals into analog signals (DAC) through the CODEC, and output the analog signals as required, for example, in fig. 4, adjust the R2 of the sound source 2 to be output together with the L1 of the sound source 1 through the left and right channels of the same earphone; the audio information of the left channel and the right channel is combined into one channel L1orR2 for output, namely, the left channel and the right channel of the same sound source (background audio) are combined into one channel for output after the mixing is completed, so that the loss of information when the two channels of the peripheral channel respectively output the two sound sources can be avoided. Most of the audio is dual-channel, if the audio is directly output, a user can only acquire the content in a single channel, so that information is lost, the left channel and the right channel of the audio are mixed and then output, and therefore, although the dual-channel effect is lost through single-channel output, the user can acquire the complete information of the dual channels of the audio, and the loss of the information in the audio is avoided.
In one embodiment of the present application, a default speaker is disposed on the multi-channel audio output control device, referring to fig. 2, the target output channel includes a default channel, the default channel includes a channel connected to the default speaker and playing audio through the default speaker, and controlling to trigger audio to output through the target output channel in step 130 includes:
step 133, controlling the left channel to be connected with a default loudspeaker, taking the left channel as the default channel, and outputting the trigger audio to the default loudspeaker through the left channel; or (b)
Step 134, controlling the right channel to be connected with the default speaker, taking the right channel as the default channel, and outputting the trigger audio to the default speaker through the right channel.
According to the scheme, the left and right channels of the original peripheral channel are disconnected through the step 131 or the step 132, the disconnected channels are used as default channels, and trigger audio is output to a default loudspeaker through the disconnected channels. Specifically, both the above-described cases of step 133 and step 134 are included.
When the left audio switch corresponding to the left channel is disconnected, the left channel is controlled to be connected with the default loudspeaker, the left channel is used as the default channel, the trigger audio is output to the default loudspeaker through the left channel, and the right channel normally outputs the background audio at the moment. Under the condition of external peripheral equipment, the left channel of the peripheral equipment channel is taken as a target output channel, and the right channel is taken as a background audio channel; if the right audio switch corresponding to the right channel is disconnected, when the audio is output through the peripheral channel, the speaker (the left speaker and the right speaker) of the peripheral channel and the default speaker can both sound and respectively serve as the target output channel and the background audio channel, the played audio cannot be mutually influenced, the mutual interference of different audio input is further avoided, and the user experience is improved.
In one embodiment of the present application, a default connection switch is provided between the left channel and the default speaker or the right channel and the default speaker are directly provided with the default connection switch.
Controlling the left channel to connect with the default speaker in step 133 includes: the default connection switch is controlled to close so that the left channel outputs audio to the default speaker.
Controlling the right channel to connect with the default speaker in step 134 includes: the default connection switch is controlled to close so that the left channel outputs audio to the default speaker.
After the left audio switch or the right audio switch is turned off, the self trigger audio in the left channel or the right channel which stops outputting the audio to the loudspeaker is output to the default loudspeaker, so that the loudspeaker connected with the peripheral channel and the default loudspeaker respectively output the background audio and the trigger audio, and users using the peripheral (left and right loudspeakers) and using the default loudspeaker cannot interfere with each other.
In one embodiment of the present application, as shown in fig. 3, a default speaker is disposed on the multi-channel audio output control device, and the target output channel includes a default channel, where the default channel includes a channel that connects to the default speaker and plays audio through the default speaker; the method for controlling the triggering audio to be output through the target output channel in step 130 includes:
And outputting the triggering audio to the default loudspeaker through a default channel.
If the background audio is played in the default channel, due to the fact that the synchronous output state is set, when the trigger audio is analyzed out of the default channel and is output to the default loudspeaker through the default channel, the background audio can be kept in the play state in the default loudspeaker without being interrupted, and therefore the influence on a user using the loudspeaker to listen to the background audio when the trigger audio is played is reduced.
The difference between the two schemes of fig. 2 and 3 is that fig. 2 effectively uses the cut-off left and right channels to output directly as default channels. While fig. 3 directly discards the cut left and right channels, and directly outputs them from the default channel. The default connection switch described above may not be required to be provided with the scheme of fig. 3. It should be noted that, the default channel and the peripheral channel in the present application are hardware channels set by the audio output control device, and have actual hardware content. Whereas the background audio channel and the target output channel of the present application are channels on the characteristics, which are channels for outputting specific audio. For example, the background audio channel represents a channel for outputting background audio, and the target output channel represents a channel for outputting trigger audio. These channels may be hardware channels as described above and the output needs to be done by means of the hardware channels as described above.
In one embodiment of the present application, controlling the triggering audio output through the target output channel in step 130 includes:
and if the trigger audios from a plurality of sound sources are received at the same time, sequencing all the trigger audios according to a preset priority to obtain an audio play list, and controlling the trigger audios to be output through the target output channel one by one according to the audio play list.
Further, if the same target output channel simultaneously comprises trigger audios of a plurality of sound sources, all the trigger audios are sequenced according to a preset priority to obtain an audio play list, and the trigger audios are controlled to be output through the target output channels one by one according to the audio play list, namely if the trigger audios of the plurality of sound sources correspond to different target output channels, the trigger audios are directly output through different target output channels.
If trigger audios from a plurality of sound sources are received at the same time, the trigger audios of all the sound sources can not be heard when the trigger audios of the sound sources are directly and simultaneously played, the priority of each sound source is preset at the moment, the audio corresponding to the sound sources is sequentially played according to the priority, and the situation that the content can not be heard after the simultaneous playing is avoided; for example, the priority ranking may be set to a cashier alert tone, a takeaway alert tone, a welcome voice; and when the trigger audio of three different sound sources of the cashing prompting sound, the takeaway prompting sound and the welcome voice are received simultaneously, the three different sound sources are sequentially played according to the order of the cashing prompting sound, the takeaway prompting sound and the welcome voice.
The application embodiments of the present application are specifically described below, and the present application may apply the above solution to electronic devices such as cash registers. Taking the cash register as an example, when the cash register itself contains a default speaker, the cash register is further connected with a peripheral channel (a channel dedicated to playing background audio, wherein the peripheral channel is usually an earphone channel in the cash register, and if a merchant selects to output the background audio in the form of bluetooth, such a special bluetooth channel for playing the background audio may also be a peripheral channel).
After the cash register adopts the multi-channel audio output control method in the invention, the effects achieved are collated in the following table 1:
TABLE 1
Through the implementation condition of the table, after the scheme of the application is applied, the device with the plurality of audio output channels can realize the maximum utilization of each audio output channel, namely, the device can output through different audio output channels when a plurality of audio inputs exist, so that the targeted experience improvement of users corresponding to different audio output channels is realized.
Referring to fig. 5, the present invention further provides a multi-channel audio output control device, which includes a plurality of audio output channels and a controller, wherein the plurality of audio output channels include at least one background audio channel, and the background audio channel is used for outputting background audio;
The background audio channel or the target output channel comprises a peripheral channel, the peripheral channel comprises a left channel and a right channel, the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch is configured on the left channel and/or a right audio switch is configured on the right channel;
an audio intercommunication switch is arranged between the left speaker and the right speaker;
in one embodiment of the present application, a default speaker is provided on the multi-channel audio output control device, and the target output channel includes a default channel, where the default channel includes a channel that connects to the default speaker and plays audio through the default speaker;
it can be seen that a multi-channel audio output control device according to the present invention includes a plurality of specific embodiments, and one of the embodiments is illustrated in fig. 5: when the peripheral channel receives the background audio and the trigger audio simultaneously, namely, the peripheral channel is used as the background audio channel and the target output channel simultaneously, the traditional method can output the background audio and the trigger audio from the left channel and the right channel respectively; further, an audio intercommunication switch can be arranged to be communicated with the left speaker and the right speaker, so that the left speaker can also receive and output an audio signal of a right channel when the left audio switch is turned off, and misunderstanding of carrying out equipment hardware faults to a user is avoided; meanwhile, the communication switch of the left channel and the default channel is closed, so that the audio signal in the left channel can be output through the default loudspeaker, and the audio received by the left channel can be normally output while the user of the peripheral channel is not disturbed; further advantageous effects have been described in the above method and are not described here in detail;
The controller is used for executing each step in the multi-channel audio output control method. The specific steps and effects of the multi-channel audio output control method have been described above, and are not repeated here.
Referring to fig. 6, the present invention further provides an electronic device 300, including a memory 301, a processor 302, and a computer program stored in the memory 301 and running on the processor 302, where the processor 302 implements the steps in a multi-channel audio output control method as described above when executing the computer program.
The beneficial effects of the electronic device of the present invention are the same as the above method, and will not be described here again.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent changes made by the description of the invention and the accompanying drawings, or direct or indirect application in the relevant art, are intended to be included within the scope of the invention.
Claims (6)
1. A multi-channel audio output control method for a multi-channel audio output control device, the output control device comprising a plurality of audio output channels including at least one background audio channel for outputting background audio, the method comprising:
Judging whether the background audio channel is in a state of outputting background audio, and controlling the plurality of audio output channels to enter a synchronous output state when the background audio channel is in the state of outputting the background audio, wherein the plurality of audio output channels simultaneously output the audio on the respective channels in the synchronous output state;
when trigger audio is input, receiving the trigger audio, and analyzing corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except the background audio;
controlling the triggering audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel;
the background audio channel or the target output channel comprises a peripheral channel, the peripheral channel comprises a left channel and a right channel, the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch and/or a right audio switch are/is configured on the left channel; an audio intercommunication switch is arranged between the left speaker and the right speaker; the method for controlling the background audio to be output through the background audio channel comprises the following steps:
When the peripheral channel receives background audio and trigger audio at the same time, the left audio switch is controlled to be turned off, so that the left channel stops outputting audio to the left loudspeaker, and the background audio is mixed into mono background audio; outputting the mono background audio to the right speaker through the right channel; controlling the audio intercommunication switch to be closed so that the left loudspeaker and the right loudspeaker play the mono background audio; or (b)
Controlling the right audio switch to be switched off so as to stop the right channel from outputting audio to the right loudspeaker, and mixing the background audio into mono background audio; outputting the mono background audio to the left speaker through the left channel; controlling the audio intercommunication switch to be closed so that the left loudspeaker and the right loudspeaker play the mono background audio;
the multi-channel audio output control device is provided with a default loudspeaker, the target output channel comprises a default channel, and the default channel comprises a channel which is connected with the default loudspeaker and plays audio through the default loudspeaker; the method for controlling the triggering audio to be output through the target output channel comprises the following steps:
Controlling the left channel to be connected with the default loudspeaker, taking the left channel as a default channel, and outputting the trigger audio to the default loudspeaker through the left channel; or (b)
And controlling the right channel to be connected with the default loudspeaker, taking the right channel as the default channel, and outputting the trigger audio to the default loudspeaker through the right channel.
2. The method according to claim 1, wherein a default connection switch is provided between the left channel and the default speaker, and the controlling the left channel to be connected to the default speaker includes:
and controlling the default connection switch to be closed so that the left channel outputs audio to the default loudspeaker.
3. The method for controlling multi-channel audio output according to claim 1, wherein the method for analyzing the corresponding channel information in the trigger audio to obtain the target output channel comprises:
analyzing the trigger audio and determining the type of the trigger audio;
and confirming channel information according to the type of the triggering audio to obtain a target output channel.
4. The method according to claim 1, wherein said controlling the output of the trigger audio through the target output channel comprises:
and if trigger audios from a plurality of audio sources are received at the same time, sequencing all the trigger audios according to a preset priority to obtain an audio play list, and controlling the trigger audios to be output through the target output channel one by one according to the audio play list.
5. A multi-channel audio output control device, comprising a plurality of audio output channels and a controller, wherein the plurality of audio output channels comprise at least one background audio channel, the background audio channel is used for outputting background audio, and the controller is used for executing the following method:
judging whether the background audio channel is in a state of outputting background audio, and controlling the plurality of audio output channels to enter a synchronous output state when the background audio channel is in the state of outputting the background audio, wherein the plurality of audio output channels simultaneously output the audio on the respective channels in the synchronous output state;
when trigger audio is input, receiving the trigger audio, and analyzing corresponding channel information in the trigger audio to obtain a target output channel, wherein the trigger audio comprises other audio except the background audio;
Controlling the triggering audio to be output through the target output channel, and simultaneously controlling the background audio to be output through the background audio channel; the background audio channel or the target output channel comprises a peripheral channel, the peripheral channel comprises a left channel and a right channel, the left channel is connected with a left loudspeaker, the right channel is connected with a right loudspeaker, and a left audio switch and/or a right audio switch are/is configured on the left channel; an audio intercommunication switch is arranged between the left speaker and the right speaker;
when the peripheral channel receives background audio and trigger audio at the same time, the left audio switch is controlled to be turned off, so that the left channel stops outputting audio to the left loudspeaker, and the background audio is mixed into mono background audio; outputting the mono background audio to the right speaker through the right channel; controlling the audio intercommunication switch to be closed so that the left loudspeaker and the right loudspeaker play the mono background audio; or (b)
Controlling the right audio switch to be switched off so as to stop the right channel from outputting audio to the right loudspeaker, and mixing the background audio into mono background audio; outputting the mono background audio to the left speaker through the left channel; controlling the audio intercommunication switch to be closed so that the left loudspeaker and the right loudspeaker play the mono background audio;
The multi-channel audio output control device is provided with a default loudspeaker, the target output channel comprises a default channel, and the default channel comprises a channel which is connected with the default loudspeaker and plays audio through the default loudspeaker; the method for controlling the triggering audio to be output through the target output channel comprises the following steps:
controlling the left channel to be connected with the default loudspeaker, taking the left channel as a default channel, and outputting the trigger audio to the default loudspeaker through the left channel; or (b)
And controlling the right channel to be connected with the default loudspeaker, taking the right channel as the default channel, and outputting the trigger audio to the default loudspeaker through the right channel.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, characterized in that the processor implements the steps of a multi-channel audio output control method according to any of claims 1-4 when executing the computer program.
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