WO2017107491A1 - 音频播放方法及装置 - Google Patents

音频播放方法及装置 Download PDF

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Publication number
WO2017107491A1
WO2017107491A1 PCT/CN2016/092804 CN2016092804W WO2017107491A1 WO 2017107491 A1 WO2017107491 A1 WO 2017107491A1 CN 2016092804 W CN2016092804 W CN 2016092804W WO 2017107491 A1 WO2017107491 A1 WO 2017107491A1
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WIPO (PCT)
Prior art keywords
audio decoding
decoding parameter
audio
parameter
sampling frequency
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PCT/CN2016/092804
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English (en)
French (fr)
Inventor
龙全明
龙桂明
孙韬正
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小米科技有限责任公司
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Application filed by 小米科技有限责任公司 filed Critical 小米科技有限责任公司
Priority to RU2016146464A priority Critical patent/RU2654160C1/ru
Priority to KR1020167026901A priority patent/KR101834269B1/ko
Priority to JP2016559433A priority patent/JP2018509007A/ja
Publication of WO2017107491A1 publication Critical patent/WO2017107491A1/zh

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages

Definitions

  • the present disclosure relates to the field of terminal technologies, and in particular, to an audio playing method and apparatus.
  • a split TV is a television that separates an image display portion, a signal processing portion, and a sound system.
  • the split TV can include a split screen and a split host, which can be used for image display, and the split host can bring its own sound system, which can be used for signal processing and outputting sound.
  • the split TV can upgrade the hardware configuration, it can directly replace the split host and retain the split screen, which reduces the cost of upgrading the hardware configuration. Therefore, more and more users start to use the split TV.
  • the split host can be used not only in conjunction with the split screen, but the split host can also be used in conjunction with a third party terminal, for example, the third party terminal can be a third party television. DVD player, player, etc. Since the audio system of the split host can play audio, some third-party terminals connected to the split host can also play audio, and the audio information can only be played through one device. Therefore, it is necessary to The method of audio playback when the host computer is connected to a third-party terminal.
  • the present disclosure provides an audio playing method and apparatus.
  • an audio playback method comprising:
  • the first audio decoding parameter being an audio decoding parameter of a third party terminal externally connected to the split host, wherein the first audio decoding parameter is used to describe converting the digital audio signal into an analog audio signal Conversion ability
  • the second audio decoding parameter is the split host Audio decoding parameters
  • the first audio decoding parameter and the second audio decoding parameter each include at least an audio decoding mode.
  • the first audio decoding parameter and the second audio decoding parameter further include at least one of the following parameters:
  • the determining, based on the first audio decoding parameter and the second audio decoding parameter, from the third-party terminal and the split host Choose equipment with high conversion capabilities including:
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency, acquiring a first sampling frequency and a second sampling frequency, The first sampling frequency is a sampling frequency included in the first audio decoding parameter, and the second sampling frequency is a sampling frequency included in the second audio decoding parameter;
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include a number of channels, acquiring the first channel number and the second channel
  • the number of the first channels is the number of channels included in the first audio decoding parameter
  • the number of second channels is the number of channels included in the second audio decoding parameter
  • the split host is determined as a device with a large conversion capability.
  • the acquiring the first audio decoding parameter includes: :
  • the acquiring the first audio decoding parameter from the EDID of the third-party terminal includes:
  • the first audio decoding parameter is obtained from the data document.
  • the second audio decoding parameter from the third party terminal and the split host, before selecting the device where the audio decoding parameter with high conversion capability is located, including:
  • the second audio decoding parameter from the third party terminal and the split host, selecting a device with a large conversion capability, including:
  • the third party audio source And acquiring, by the third party audio source, the third audio decoding parameter, where the third audio decoding parameter is an audio decoding parameter of the third-party playing source, ;
  • an audio playback device comprising:
  • a first acquiring module configured to acquire a first audio decoding parameter, where the first audio decoding parameter is an audio decoding parameter of a third party terminal externally connected to the split host, where the first audio decoding parameter is used to describe the digital audio Conversion of signals into analog audio signals;
  • a selection module configured to select, according to the first audio decoding parameter and the second audio decoding parameter, a device with a large conversion capability from the third-party terminal and the split host, where the second audio decoding parameter is Describe the audio decoding parameters of the split host;
  • a playing module for playing audio through the selected device
  • the first audio decoding parameter and the second audio decoding parameter each include at least an audio decoding mode.
  • the first audio decoding parameter and the second audio decoding parameter further include at least one of the following parameters:
  • the selecting module includes:
  • a first determining unit configured to determine a first number and a second number, where the first number is a number of audio decoding modes included in the first audio decoding parameter, and the second number is The number of audio decoding modes included in the second audio decoding parameter;
  • a second determining unit configured to determine, when the first number is greater than the second number, the third-party terminal as a device with a large conversion capability
  • a third determining unit configured to determine, when the first number is smaller than the second number, the split host as a device with a large conversion capability.
  • the selecting module further includes:
  • a first acquiring unit configured to acquire a first sampling frequency if the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency when the first number is equal to the second number And a second sampling frequency, the first sampling frequency is a sampling frequency included in the first audio decoding parameter, and the second sampling frequency is a sampling frequency included in the second audio decoding parameter;
  • a fourth determining unit configured to determine, when the first sampling frequency is greater than the second sampling frequency, the third-party terminal as a device with a large conversion capability
  • a fifth determining unit configured to determine, when the first sampling frequency is less than the second sampling frequency, the split host as a device with a large conversion capability.
  • the selecting module further includes:
  • a second acquiring unit configured to acquire a first sound if the first audio decoding parameter and the second audio decoding parameter further include a number of channels when the first number is equal to the second number The number of tracks and the number of second channels, the number of first channels being the number of channels included in the first audio decoding parameter, and the number of second channels being the number of channels included in the second audio decoding parameter ;
  • a sixth determining unit configured to determine, when the number of the first channels is greater than the number of the second channels, a device with a large conversion capability
  • a seventh determining unit configured to determine the split host as a device with a large conversion capability when the number of the first channels is smaller than the number of the second channels.
  • the first acquiring module includes:
  • a reading unit configured to read extended display identification data EDID of the third-party terminal by using a specified interface
  • a third acquiring unit configured to acquire the first audio decoding parameter from an EDID of the third-party terminal.
  • the third acquiring unit includes:
  • a first obtaining subunit configured to acquire a data file from an EDID of the third party terminal according to the specified path
  • a second obtaining subunit configured to obtain the first audio decoding parameter from the data document.
  • the device includes:
  • a reading module configured to read an EDID of the split host
  • a second acquiring module configured to acquire the second audio decoding parameter from an EDID of the split host.
  • the selecting module includes:
  • a fourth obtaining unit configured to: when the split host is further connected to a third-party playing source, and the third-party playing source has a sound And acquiring, by the frequency playing function, a third audio decoding parameter, where the third audio decoding parameter is an audio decoding parameter of the third-party playing source;
  • a selecting unit configured to select, from the third party terminal, the split host, and the third party play source, based on the first audio decoding parameter, the second audio decoding parameter, and the third audio decoding parameter A device with high conversion capabilities.
  • an audio playback device comprising:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the first audio decoding parameter being an audio decoding parameter of a third party terminal externally connected to the split host, wherein the first audio decoding parameter is used to describe converting the digital audio signal into an analog audio signal Conversion ability
  • the second audio decoding parameter is the split host Audio decoding parameters
  • the first audio decoding parameter and the second audio decoding parameter each include at least an audio decoding mode.
  • the technical solution provided by the embodiment of the present disclosure may include the following beneficial effects: in the embodiment of the present disclosure, since both the split host and the third-party terminal can perform audio play, and the playback effects of the split host and the third-party terminal are different,
  • the first audio decoding parameter and the second audio decoding parameter may be compared to select a device with a large conversion capability as a device for audio playback, which improves the audio playback effect and improves the accuracy of selecting the playback device.
  • FIG. 1 is a block diagram of an audio playback system, according to an exemplary embodiment.
  • FIG. 2 is a block diagram of another audio playback system, according to an exemplary embodiment.
  • FIG. 3 is a flowchart of an audio playing method according to an exemplary embodiment.
  • FIG. 4 is a flowchart of another audio playing method according to an exemplary embodiment.
  • FIG. 5 is a block diagram of a first type of audio playback device, according to an exemplary embodiment.
  • FIG. 6 is a block diagram of a first selection module, according to an exemplary embodiment.
  • FIG. 7 is a block diagram of a second selection module, according to an exemplary embodiment.
  • FIG. 8 is a block diagram of a third selection module, according to an exemplary embodiment.
  • FIG. 9 is a block diagram of a first acquisition module, according to an exemplary embodiment.
  • FIG. 10 is a block diagram of a third obtaining unit, according to an exemplary embodiment.
  • FIG. 11 is a block diagram of a second type of audio playback device, according to an exemplary embodiment.
  • FIG. 12 is a block diagram of a fourth selection module, according to an exemplary embodiment.
  • FIG. 13 is a block diagram of a third type of audio playback device, according to an exemplary embodiment.
  • the system includes a split host and a split screen, and the split host can be connected to a split screen through a High Definition Multimedia Interface (HDMI), which is used for signal processing. And the playback of audio information, the split screen is used to display images.
  • the split host may also be connected to a third-party play source on the basis of connecting the split screen, the third-party play source is a device for providing a video source or an audio source, and the third-party play source may have audio play.
  • the playback source of the function of course, the third-party playback source can also be a playback source that does not have an audio playback function.
  • the split host can not only connect with the split screen through HDMI, but also the external host can connect to the third party terminal through HDMI.
  • the third party terminal can not only perform image display but also audio play. And the third party terminal may be externally connected to the third party terminal.
  • the split screen is used to display the image, and the split host can be used for audio playback, and if the third-party play source has the audio play function,
  • the third-party source can also be used for audio playback, that is, the system includes two devices with audio playback capabilities.
  • the split host and the third party terminal can be used for audio playback, and if the third party play source has the audio play function, the third party The source can also be used for audio playback, which means that the system includes three devices with audio playback capabilities. Since the audio information can only be played by one of the devices, the embodiment of the present disclosure provides a method for playing audio information, so that one device can be selected from a plurality of devices having audio playback functions for audio playback.
  • FIG. 3 is a flowchart of an audio playing method according to an exemplary embodiment. As shown in FIG. 3, the audio playing method is used in a terminal, and includes the following steps.
  • a first audio decoding parameter is obtained, where the first audio decoding parameter is an audio decoding parameter of a third party terminal externally connected to the split host, and the first audio decoding parameter is used to describe converting the digital audio signal into a simulation. The ability to convert audio signals.
  • step 302 based on the first audio decoding parameter and the second audio decoding parameter, from the third party terminal and the In the split host, a device with a large conversion capability is selected, and the second audio decoding parameter is an audio decoding parameter of the split host.
  • step 303 audio playback is performed by the selected device.
  • the first audio decoding parameter and the second audio decoding parameter both include at least an audio decoding mode.
  • the split host and the third-party terminal can perform audio play, and the playback effects of the split host and the third-party terminal are different, the first audio decoding parameter and the second audio decoding parameter can be performed.
  • a device with a large conversion capability is selected as an audio playback device, which improves the audio playback effect and improves the accuracy of selecting a playback device.
  • the first audio decoding parameter and the second audio decoding parameter further include at least one of the following parameters:
  • selecting a device having a large conversion capability from the third-party terminal and the split host based on the first audio decoding parameter and the second audio decoding parameter includes:
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency, acquiring a first sampling frequency and a second sampling frequency, the first sampling frequency a sampling frequency included in the first audio decoding parameter, where the second sampling frequency is a sampling frequency included in the second audio decoding parameter;
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include the number of channels, acquiring the first channel number and the second channel number, the first The number of channels is the number of channels included in the first audio decoding parameter, and the number of second channels is the number of channels included in the second audio decoding parameter;
  • the split host is determined as a device with a large conversion capability.
  • the acquiring the first audio decoding parameter includes:
  • the first audio decoding parameter is obtained from the EDID of the third party terminal.
  • acquiring the first audio decoding parameter from the EDID of the third-party terminal includes:
  • the first audio decoding parameter is obtained from the data document.
  • based on the first audio decoding parameter and the second audio decoding parameter, from the third party terminal and the split host, before selecting a device where the audio decoding parameter having a large conversion capability is located including:
  • the second audio decoding parameter is obtained from the EDID of the split host.
  • selecting a device having a large conversion capability from the third-party terminal and the split host based on the first audio decoding parameter and the second audio decoding parameter includes:
  • the split host further has an external third party play source and the third party play source has an audio play function, acquiring a third audio decoding parameter, where the third audio decoding parameter is an audio decoding parameter of the third party play source;
  • FIG. 4 is a flowchart of another audio playing method according to an exemplary embodiment. Referring to FIG. 4, the method includes:
  • the split host acquires a first audio decoding parameter, where the first audio decoding parameter is an audio decoding parameter of a third party terminal externally connected to the split host, where the first audio decoding parameter is used to describe the digital audio signal. Convert to the conversion capability of an analog audio signal.
  • the split host can also perform audio playback. Therefore, in order to compare the audio playback effect of the third-party terminal with the audio playback effect of the split host, the third-party terminal and the split host are Selecting a device with better audio playback effect, the split host can obtain the first audio decoding parameter, and the operation of the split audio host to obtain the first audio decoding parameter can be: reading the EDID of the third party terminal through the specified interface; The first audio decoding parameter is obtained from the EDID of the third party terminal.
  • the operation of obtaining the first audio decoding parameter from the EDID of the third-party terminal by the split host may be: obtaining a data file from the EDID of the third-party terminal according to the specified path; and obtaining the data from the data file An audio decoding parameter.
  • the specified path refers to the path for obtaining the data document from the EDID, and since the data file is generally located at a fixed position in the EDID, the specified path may be set in advance, which is not specifically limited in the embodiment of the present disclosure.
  • the data document refers to a document containing audio configuration information in the EDID, which may be CEA-861 (Consumer Electronics Association-861, Electronic Consumers Association-861), that is, an uncompressed value set by CEA.
  • CEA-861 Consumer Electronics Association-861, Electronic Consumers Association-861
  • the video standard is not specifically limited in this embodiment of the present disclosure.
  • the split host when the split host obtains the data file of the third party terminal, the split host can be based on the audio decoding parameter. And identifying the audio decoding parameters from the data file, and determining the obtained audio decoding parameters as the first audio decoding parameters.
  • the audio decoding parameter identifier is used to uniquely identify the audio decoding parameter, and the audio decoding parameter identifier may be a name of the audio decoding parameter, or may be a fixed number of the audio decoding parameter, and may be other identifiers.
  • the disclosed embodiments do not specifically limit this.
  • the split host can obtain the data document as DATA BLOCK according to the specified path, and if the audio decoding parameter identifier is Audio, the split host can be based on The audio decoding parameter identifies Audio, obtains audio decoding parameters corresponding to Audio from the DATA BLOCK, and determines the obtained audio decoding parameters as the first audio decoding parameters.
  • the specified interface is used to obtain the EDID of the third-party terminal, and the designated interface may be HDMI or other interfaces, which is not specifically limited in this embodiment of the disclosure.
  • the first audio decoding parameter includes at least an audio decoding mode, where the audio decoding mode refers to a method for decoding audio information in a third-party terminal, and the audio information decoding mode may be PCM (Pulse Code Modulation). Modulation), AC3 (Audio Coding 3), DTS (Digital Theater Systems), LPC (Linear Predictive Coding), and the like, which are not specifically limited in the embodiments of the present disclosure.
  • PCM Pulse Code Modulation
  • Modulation Modulation
  • AC3 Audio Coding 3
  • DTS Digital Theater Systems
  • LPC Linear Predictive Coding
  • the split host when the split host is connected to the split screen, since the split screen does not have an audio play function, the split host does not need to obtain the first audio decoding parameter through the designated interface, and when the split host is connected to a third party. In the terminal, since the third-party terminal has an audio playing function, the split host can obtain the first audio decoding parameter through the specified interface.
  • the first audio decoding parameter may include not only an audio decoding mode, but also at least one of the following parameters: a sampling frequency and a number of channels.
  • the first audio decoding parameter may further include other parameters, such as the number of audio bits, and the like, which is not specifically limited in this embodiment of the present disclosure.
  • the split host selects a device with a large conversion capability from the third terminal and the split host based on the first audio decoding parameter and the second audio decoding parameter, and the second audio decoding parameter is the split.
  • the audio decoding parameters of the host are the same.
  • the host may select, from the third party terminal and the split host, a device with a large conversion capability based on the first audio decoding parameter and the second audio decoding parameter, and the first audio decoding parameter and the second audio decoding parameter include at least an audio decoding mode.
  • the split host selects, according to the first audio decoding parameter and the second audio decoding parameter, an operation of selecting a device with a large conversion capability from the third terminal and the split host: determining the first number and a second number, the first number is the number of audio decoding modes included in the first audio decoding parameter, and the second number is the number of audio decoding modes included in the second audio decoding parameter; When a number is greater than the second number, the third-party terminal is determined to be a device with a large conversion capability; when the first number is smaller than the second number, Split host conversion capability is determined to a large apparatus.
  • the third-party terminal is determined to be a device with high conversion capability.
  • the second audio decoding parameter may also include not only the audio decoding mode, but also at least one of the following parameters: the sampling frequency and the number of channels.
  • the second audio decoding parameter may also include other parameters, such as the number of audio bits, etc., which are not specifically limited in this embodiment of the present disclosure.
  • the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency, acquiring a first sampling frequency and a second sampling frequency, the first sampling The frequency is a sampling frequency included in the first audio decoding parameter, and the second sampling frequency is a sampling frequency included in the second audio decoding parameter; when the first sampling frequency is greater than the second sampling frequency, determining, by the third terminal The device with high conversion capability; when the first sampling frequency is less than the second sampling frequency, the split host is determined as a device with high conversion capability.
  • sampling frequency refers to the number of times that the audio sample is obtained every second, and the sampling frequency may be 32Khz, 48Khz, 96Khz, etc., which is not specifically limited in the embodiment of the present disclosure.
  • the device with a large sampling frequency can be determined as a device with a large conversion capability.
  • the first audio decoding parameter and the second audio decoding parameter further include the number of channels
  • the first number of channels is the number of channels included in the first audio decoding parameter
  • the second number of channels is the number of channels included in the second audio decoding parameter; when the number of the first channels is greater than the second
  • the third-party terminal is determined as a device with a large conversion capability
  • the split host is determined as a device with a large conversion capability.
  • the number of channels refers to the number of channels that support audio playback, and the number of the channels may be mono, 4-channel, 5-channel, etc., which is not specifically limited in this embodiment of the present disclosure.
  • the device is determined to be a device with high conversion capability.
  • the first audio decoding parameter and the second audio decoding parameter both include the sampling frequency and the number of channels, acquiring the first sampling frequency and the second sampling frequency And determining, when the first sampling frequency is greater than the second sampling frequency, the third-party terminal as a device with a large conversion capability; and when the first sampling frequency is less than the second sampling frequency, determining the split host as a conversion a device having a large capacity; when the first sampling frequency and the second sampling frequency are the same, continuing to acquire the first channel number and the second channel number, when the first channel number is greater than the second channel number, The third-party terminal determines the device with a large conversion capability; when the number of the first channel is less than the number of the second channel, the split host is determined to be a device with a large conversion capability.
  • the first channel number and the second channel number may also be acquired first, when the first channel number is greater than the The third channel number is determined as a device with a large conversion capability; when the number of the first channel is less than the second channel number, The split host is determined to be a device with a large conversion capability; when the number of the first channel and the second channel are the same, the first sampling frequency and the second sampling frequency are continuously acquired, when the first sampling frequency is greater than the second sampling frequency And determining, by the third-party terminal, a device with a large conversion capability; when the first sampling frequency is less than the second sampling frequency, determining the split host as a device with a large conversion capability.
  • the embodiment of the present disclosure does not specifically limit this.
  • the split host may further select the conversion based on the first decoding order.
  • the first decoding order is all audio decoding methods for decoding audio information, and is sorted according to the advantages and disadvantages of the decoding effect.
  • the split host may determine the audio included in the first audio decoding parameter. a sorting position of the decoding mode in the first decoding order, and determining a sorting position of the audio decoding manner included in the second audio decoding parameter in the first decoding order, if the first decoding order is sorted according to the decoding effect from good to bad
  • the device in which the audio decoding mode with the smallest sorting position is determined is determined as the device with high conversion capability. If the first decoding order is sorted in a manner that the decoding effect is inferior to excellent, the audio decoding mode with the largest sorting position is located.
  • the device is determined to be a device with high conversion capability. And if the same audio decoding mode exists in the first audio decoding parameter and the second audio decoding parameter, the split host may acquire different audio decoding modes in the first audio decoding parameter and the second audio decoding parameter, if the first decoding The order is to sort according to the decoding effect from superior to inferior, and the device in which the audio decoding mode with the smallest sorting position in different audio decoding modes is determined is determined as a device with large conversion capability, if the first decoding order is inferior according to the decoding effect. When sorting is performed in an excellent manner, the device in which the audio decoding mode having the largest sorting position among the different audio decoding modes is determined is determined as a device having a large conversion capability.
  • the split host can select not only the device with high conversion capability by the above method, but the split host can also include the first audio decoding parameter based on the first decoding order.
  • the audio decoding mode is compared with the audio decoding mode included in the second audio decoding parameter. Since the first decoding order is all audio decoding methods for decoding the audio information, the decoding effect is sorted according to the quality of the decoding effect, and therefore, The device in which the audio decoding mode with the best decoding effect is located is determined as a device with a large conversion capability.
  • the split host may compare different audio decoding modes, and the device in which the audio decoding mode with the best decoding effect is located Determined as a device with high conversion capability.
  • the split host when the first decoding order is sorted according to the decoding effect from superior to poor, and the first decoding order stored in the split host is DTS, AC3, PCM, LPC, when the first audio decoding parameter includes audio decoding The mode is PCM and AC3.
  • the audio decoding mode included in the second audio decoding parameter is PCM and LPC
  • the split host can be based on In the first decoding sequence, only the AC3 and the PLC are compared, and it is determined that the decoding effect of the AC3 is better than the LPC decoding effect. Therefore, the third-party terminal can be determined as a device with a large conversion capability.
  • the split host can also directly decode the audio decoding parameters included in the first audio decoding parameter according to the decoding effect. And sorting the audio decoding modes included in the second audio decoding parameter to obtain a second decoding sequence, after which the split host can determine, according to the second decoding order, the device where the audio decoding mode with the optimal decoding effect is located as A device with high conversion capabilities.
  • the split host may acquire audio decoding parameters that are different from the first audio decoding parameter and the second audio decoding parameter, and follow The decoding effect sorts the different audio decoding modes, and the device in which the audio decoding mode with the best decoding effect is determined is determined as a device with a large conversion capability.
  • the first decoding sequence may be stored in the split host in advance, and is not specifically limited in this embodiment of the present disclosure.
  • the manner in which the audio decoding mode is sorted in the first decoding sequence may be performed according to the decoding effect from the best to the bad, or may be arranged in a manner that the decoding effect is inferior to excellent, which is not specifically limited in the embodiment of the present disclosure.
  • the manner in which the audio decoding mode is sorted in the second decoding sequence may be sorted according to the decoding effect from good to bad, or may be sorted according to the decoding effect from superior to inferior, and the embodiment of the present disclosure also does not specifically limited.
  • the split host can determine the quality of the decoding effect according to the bandwidth required by the audio decoding mode, so as to sort according to the decoding effect, and can also determine the advantages and disadvantages of the decoding effect according to other methods, and the present disclosure.
  • the embodiment does not specifically limit this.
  • the split host can also randomly select one device from the split host and the third-party terminal, which is not specifically limited in this embodiment of the present disclosure.
  • the split host further selects, according to the first audio decoding parameter and the second audio decoding parameter, the device that is located in the third-party terminal and the split host, where the audio decoding parameter with the large conversion capability is located, the split host further The EDID of the split host can be read; the second audio decoding parameter is obtained from the EDID of the split host.
  • the manner in which the split host obtains the second audio decoding parameter from the EDID of the split host may refer to the manner in which the split host obtains the first audio decoding parameter, which is not described in detail in this disclosure.
  • step 403 audio playback is performed by the selected device.
  • the split host Since the split host is externally connected to a third-party terminal, a third-party broadcast source can be externally connected. Therefore, when the third-party broadcast source externally connected to the split host also has an audio play function, the split host can also obtain a third audio decoding parameter, the third audio decoding parameter is an audio decoding parameter of the third-party playing source; based on the first audio decoding parameter, the second audio decoding parameter, and the third audio decoding parameter, from the third-party terminal, Among the host and third-party playback sources, select devices with high conversion capabilities.
  • the operation of the split audio host to obtain the third audio decoding parameter may refer to the operation of the foregoing split host to obtain the first audio decoding parameter, which is not repeatedly described in this disclosure.
  • the split host may select a device with a large conversion capability from the third terminal, the split host, and the third-party play source based on the first audio decoding parameter, the second audio decoding parameter, and the third audio decoding parameter. Referring to the above step 402, the embodiments of the present disclosure will not be described again.
  • the third-party audio source refers to the playing source of the audio information, and the third-party playing source may be a shadow.
  • the embodiment of the present disclosure does not specifically limit the disc player, the music player, and the like.
  • the split host can also externally connect a plurality of devices having an audio play function, and the split host can compare the split host and the plurality of devices one by one to select a device with a large conversion capability for audio playback. That is, the device with the best playback effect is selected for audio playback, which is not specifically limited in the embodiment of the present disclosure.
  • the split host and the third-party terminal can perform audio play, and the playback effects of the split host and the third-party terminal are different, the first audio decoding parameter and the second audio decoding parameter can be performed.
  • a device with a large conversion capability is selected as an audio playback device, which improves the audio playback effect and improves the accuracy of selecting a playback device.
  • FIG. 5 is a block diagram of an audio playback device, according to an exemplary embodiment.
  • the apparatus includes a first acquisition module 501, a selection module 502, and a playback module 503.
  • the first obtaining module 501 is configured to obtain a first audio decoding parameter, where the first audio decoding parameter is an audio decoding parameter of a third-party terminal externally connected to the split host, where the first audio decoding parameter is used to describe the digital audio signal. Conversion to analog audio signal conversion capability;
  • the selecting module 502 is configured to select, according to the first audio decoding parameter and the second audio decoding parameter, a device with a large conversion capability from the third-party terminal and the split host, where the second audio decoding parameter is the split host Audio decoding parameters;
  • a playing module 503, configured to perform audio playback by using the selected device
  • the first audio decoding parameter and the second audio decoding parameter both include at least an audio decoding mode.
  • the first audio decoding parameter and the second audio decoding parameter further include at least one of the following parameters:
  • the selection module 502 includes:
  • the first determining unit 5021 is configured to determine a first number and a second number, where the first number is the number of audio decoding modes included in the first audio decoding parameter, and the second number is the second audio The number of audio decoding modes included in the decoding parameters;
  • the second determining unit 5022 is configured to determine, when the first number is greater than the second number, the third-party terminal as a device with a large conversion capability;
  • the third determining unit 5023 is configured to determine, when the first number is smaller than the second number, the split host as a device with a large conversion capability.
  • the selection module 502 further includes:
  • a first obtaining unit 5024 configured to acquire a first sampling frequency and a second if the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency when the first number is equal to the second number a sampling frequency, the first sampling frequency is a sampling frequency included in the first audio decoding parameter, and the second sampling frequency is a sampling frequency included in the second audio decoding parameter;
  • the fourth determining unit 5025 is configured to determine, when the first sampling frequency is greater than the second sampling frequency, the third-party terminal as a device with a large conversion capability;
  • the fifth determining unit 5026 is configured to determine, when the first sampling frequency is less than the second sampling frequency, the split host as a device with a large conversion capability.
  • the selection module further includes:
  • a second obtaining unit 5027 configured to: when the first number is equal to the second number, if the first audio decoding parameter and the second audio decoding parameter further include a number of channels, acquire a first channel quantity and a second number of channels, where the number of first channels is a number of channels included in the first audio decoding parameter, and the number of second channels is a number of channels included in the second audio decoding parameter;
  • the sixth determining unit 5028 is configured to determine, when the number of the first channels is greater than the number of the second channels, the third-party terminal as a device with a large conversion capability;
  • the seventh determining unit 5029 is configured to determine the split host as a device with a large conversion capability when the number of the first channels is less than the number of the second channels.
  • the first obtaining module 501 includes:
  • the reading unit 5011 is configured to read the extended display identification data EDID of the third-party terminal by using a specified interface
  • the third obtaining unit 5012 is configured to obtain the first audio decoding parameter from the EDID of the third-party terminal.
  • the third obtaining unit 5012 includes:
  • a first obtaining subunit 50121 configured to obtain a data file from an EDID of the third party terminal according to the specified path
  • the second obtaining subunit 50122 is configured to obtain the first audio decoding parameter from the data document.
  • the apparatus includes:
  • the reading module 504 is configured to read an EDID of the split host
  • the second obtaining module 505 is configured to obtain the second audio decoding parameter from the EDID of the split host.
  • the selection module 502 includes:
  • the fourth obtaining unit 50210 is configured to acquire a third audio decoding parameter, where the third audio decoding parameter is the third-party playing source, when the third-party playing source is further connected to the third-party playing source, and the third-party playing source has an audio playing function. Audio decoding parameters;
  • the selecting unit 50211 is configured to select, according to the first audio decoding parameter, the second audio decoding parameter, and the third audio decoding parameter, a large conversion capability from the third party terminal, the split host, and the third-party playing source. device.
  • the split host and the third-party terminal can perform audio play, and the playback effects of the split host and the third-party terminal are different, the first audio decoding parameter and the second audio decoding parameter can be performed.
  • a device with a large conversion capability is selected as an audio playback device, which improves the audio playback effect and improves the accuracy of selecting a playback device.
  • FIG. 13 is a block diagram of an apparatus 1300 for audio playback, according to an exemplary embodiment.
  • device 1300 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
  • device 1300 can include one or more of the following components: processing component 1302, memory 1304, power component 1306, multimedia component 1308, audio component 1310, input/output (I/O) interface 1312, sensor component 1314, And a communication component 1316.
  • Processing component 1302 typically controls the overall operation of device 1300, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 1302 can include one or more processors 1320 to execute instructions to perform all or part of the steps described above.
  • processing component 1302 can include one or more modules to facilitate interaction between component 1302 and other components.
  • processing component 1302 can include a multimedia module to facilitate interaction between multimedia component 1308 and processing component 1302.
  • Memory 1304 is configured to store various types of data to support operation at device 1300. Examples of such data include instructions for any application or method operating on device 1300, contact data, phone book data, messages, pictures, videos, and the like.
  • Memory 1304 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 1306 provides power to various components of device 1300.
  • Power component 1306 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 1300.
  • the multimedia component 1308 includes a screen between the device 1300 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1308 includes a front camera and/or a rear camera. When the device 1300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1310 is configured to output and/or input an audio signal.
  • the audio component 1310 includes a microphone (MIC) that is configured to receive an external audio signal when the device 1300 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 1304 or transmitted via communication component 1316.
  • the audio component 1310 also includes a speaker for outputting an audio signal.
  • the I/O interface 1312 provides an interface between the processing component 1302 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons can include but are not limited to: home button, volume button, start button And lock button.
  • Sensor assembly 1314 includes one or more sensors for providing device 1300 with a status assessment of various aspects.
  • sensor assembly 1314 can detect an open/closed state of device 1300, a relative positioning of components, such as the display and keypad of device 1300, and sensor component 1314 can also detect a change in position of one component of device 1300 or device 1300. The presence or absence of contact by the user with the device 1300, the orientation or acceleration/deceleration of the device 1300 and the temperature change of the device 1300.
  • Sensor assembly 1314 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1314 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1316 is configured to facilitate wired or wireless communication between device 1300 and other devices.
  • the device 1300 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1316 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 1316 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 1304 comprising instructions executable by processor 1320 of apparatus 1300 to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium when instructions in the storage medium are executed by a processor of a mobile terminal, enabling the mobile terminal to perform an audio playback method, the method comprising:
  • the first audio decoding parameter being an audio decoding parameter of a third party terminal externally connected to the split host, the first audio decoding parameter being used to describe a conversion capability of converting the digital audio signal into an analog audio signal .
  • the second audio decoding parameter is an audio decoding parameter of the split host.
  • Audio playback is performed through the selected device.
  • the first audio decoding parameter and the second audio decoding parameter both include at least an audio decoding mode.
  • the first audio decoding parameter and the second audio decoding parameter further include at least one of the following parameters:
  • selecting a device having a large conversion capability from the third-party terminal and the split host based on the first audio decoding parameter and the second audio decoding parameter includes:
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include a sampling frequency, acquiring a first sampling frequency and a second sampling frequency, the first sampling frequency a sampling frequency included in the first audio decoding parameter, where the second sampling frequency is a sampling frequency included in the second audio decoding parameter;
  • the split host is determined as a device with a large conversion capability.
  • the method further includes:
  • the first audio decoding parameter and the second audio decoding parameter further include the number of channels, acquiring the first channel number and the second channel number, the first The number of channels is the number of channels included in the first audio decoding parameter, and the number of second channels is the number of channels included in the second audio decoding parameter;
  • the split host is determined as a device with a large conversion capability.
  • the acquiring the first audio decoding parameter includes:
  • the first audio decoding parameter is obtained from the EDID of the third party terminal.
  • acquiring the first audio decoding parameter from the EDID of the third-party terminal includes:
  • the first audio decoding parameter is obtained from the data document.
  • based on the first audio decoding parameter and the second audio decoding parameter, from the third party terminal and the split host, before selecting a device where the audio decoding parameter having a large conversion capability is located including:
  • the second audio decoding parameter is obtained from the EDID of the split host.
  • selecting a device having a large conversion capability from the third-party terminal and the split host based on the first audio decoding parameter and the second audio decoding parameter includes:
  • the split host further has an external third party play source and the third party play source has an audio play function, acquiring a third audio decoding parameter, where the third audio decoding parameter is an audio decoding parameter of the third party play source;
  • the split host and the third-party terminal can perform audio play, and the playback effects of the split host and the third-party terminal are different, the first audio decoding parameter and the second audio decoding parameter can be performed.
  • a device with a large conversion capability is selected as an audio playback device, which improves the audio playback effect and improves the accuracy of selecting a playback device.

Abstract

一种音频播放方法及装置，属于终端技术领域，所述方法包括：获取第一音频解码参数，该第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，该第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力（301）；基于该第一音频解码参数和第二音频解码参数，从第三方终端和分体主机中，选择转换能力大的设备，该第二音频解码参数为该分体主机的音频解码参数（302）；通过选择的设备进行音频播放（303）；其中，该第一音频解码参数和该第二音频解码参数均至少包括音频解码方式。通过将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果和选择播放设备的准确度。

Description

音频播放方法及装置
本申请基于申请号为201510980320.2、申请日为2015年12月23日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及终端技术领域，尤其涉及一种音频播放方法及装置。
背景技术
分体电视是指将图像显示部分、信号处理部分和声音系统分离开来的电视。通常分体电视可以包括分体屏幕和分体主机，该分体屏幕可以用于进行图像显示，分体主机可以自带音响系统，从而可以用于进行信号处理和输出声音。并且由于分体电视在升级硬件配置时，可以直接更换分体主机而保留分体屏幕，降低了升级硬件配置的成本，因此，越来越多的用户开始使用分体电视。
目前，该分体主机不仅可以与分体屏幕进行配合使用，当然，该分体主机还可以外接第三方终端，与第三方终端进行配合使用，比如，该第三方终端可以为第三方电视机、影碟机、播放器等。由于分体主机自带的音响系统可以进行音频播放，并且分体主机外接的一些第三方终端也可以进行音频播放，而音频信息一般只能通过一个设备来播放，因此，亟需一种在分体主机外接第三方终端时进行音频播放的方法。
发明内容
为克服相关技术中存在的问题，本公开提供一种音频播放方法及装置。
根据本公开实施例的第一方面，提供一种音频播放方法，所述方法包括：
获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
通过选择的设备进行音频播放；
其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
结合第一方面，在上述第一方面的第一种可能的实现方式中，所述第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
采样频率，声道数量。
结合第一方面，在上述第一方面的第二种可能的实现方式中，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，包括：
确定第一个数和第二个数，所述第一个数为所述第一音频解码参数包括的音频解码方式的个数，所述第二个数为所述第二音频解码参数包括的音频解码方式的个数；
当所述第一个数大于所述第二个数时，将所述第三方终端确定为转换能力大的设备；
当所述第一个数小于所述第二个数时，将所述分体主机确定为转换能力大的设备。
结合第一方面的第二种可能的实现方式，在上述第一方面的第三种可能的实现方式中，所述确定第一个数和第二个数之后，还包括：
当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，所述第一采样频率为所述第一音频解码参数包括的采样频率，所述第二采样频率为所述第二音频解码参数包括的采样频率；
当所述第一采样频率大于所述第二采样频率时，将所述第三方终端确定为转换能力大的设备；
当所述第一采样频率小于所述第二采样频率时，将所述分体主机确定为转换能力大的设备。
结合第一方面的第二种可能的实现方式，在上述第一方面的第四种可能的实现方式中，所述确定第一个数和第二个数之后，还包括：
当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，所述第一声道数量为所述第一音频解码参数包括的声道数量，所述第二声道数量为所述第二音频解码参数包括的声道数量；
当所述第一声道数量大于所述第二声道数量时，将所述第三方终端确定为转换能力大的设备；
当所述第一声道数量小于所述第二声道数量时，将所述分体主机确定为转换能力大的设备。
结合第一方面至第一方面的第四种可能的实现方式中的任一可能的实现方式，在上述第一方面的第五种可能的实现方式中，所述获取第一音频解码参数，包括：
通过指定接口读取所述第三方终端的EDID(Extended Display Identification Data，扩展显示标识数据)；
从所述第三方终端的EDID中获取所述第一音频解码参数。
结合第一方面的第五种可能的实现方式，在上述第一方面的第六种可能的实现方式中，所述从所述第三方终端的EDID中获取所述第一音频解码参数，包括：
按照指定路径，从所述第三方终端的EDID中，获取数据文档；
从所述数据文档中获取所述第一音频解码参数。
结合第一方面至第一方面的第六种可能的实现方式中的任一可能的实现方式，在上述第一方面的第七种可能的实现方式中，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的音频解码参数所在的设备之前，包括：
读取所述分体主机的EDID；
从所述分体主机的EDID中获取所述第二音频解码参数。
结合第一方面至第一方面的第七种可能的实现方式中的任一可能的实现方式，在上述第一方面的第八种可能的实现方式中，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，包括：
当所述分体主机还外接第三方播放源且所述第三方播放源具有音频播放功能时，获取第三音频解码参数，所述第三音频解码参数为所述第三方播放源的音频解码参数；
基于所述第一音频解码参数、第二音频解码参数和所述第三音频解码参数，从所述第三方终端、所述分体主机和所述第三方播放源中，选择转换能力大的设备。
根据本公开实施例的第二方面，提供一种音频播放装置，所述装置包括：
第一获取模块，用于获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
选择模块，用于基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
播放模块，用于通过选择的设备进行音频播放；
其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
结合第二方面，在上述第二方面的第一种可能的实现方式中，所述第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
采样频率，声道数量。
结合第二方面，在上述第二方面的第二种可能的实现方式中，所述选择模块包括：
第一确定单元，用于确定第一个数和第二个数，所述第一个数为所述第一音频解码参数包括的音频解码方式的个数，所述第二个数为所述第二音频解码参数包括的音频解码方式的个数；
第二确定单元，用于当所述第一个数大于所述第二个数时，将所述第三方终端确定为转换能力大的设备；
第三确定单元，用于当所述第一个数小于所述第二个数时，将所述分体主机确定为转换能力大的设备。
结合第二方面的第二种可能的实现方式，在上述第二方面的第三种可能的实现方式中，所述选择模块还包括：
第一获取单元，用于当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，所述第一采样频率为所述第一音频解码参数包括的采样频率，所述第二采样频率为所述第二音频解码参数包括的采样频率；
第四确定单元，用于当所述第一采样频率大于所述第二采样频率时，将所述第三方终端确定为转换能力大的设备；
第五确定单元，用于当所述第一采样频率小于所述第二采样频率时，将所述分体主机确定为转换能力大的设备。
结合第二方面的第二种可能的实现方式，在上述第二方面的第四种可能的实现方式中，所述选择模块还包括：
第二获取单元，用于当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，所述第一声道数量为所述第一音频解码参数包括的声道数量，所述第二声道数量为所述第二音频解码参数包括的声道数量；
第六确定单元，用于当所述第一声道数量大于所述第二声道数量时，将所述第三方终端确定为转换能力大的设备；
第七确定单元，用于当所述第一声道数量小于所述第二声道数量时，将所述分体主机确定为转换能力大的设备。
结合第二方面至第二方面的第四种可能的实现方式中的任一可能的实现方式，在上述第二方面的第五种可能的实现方式中，所述第一获取模块包括：
读取单元，用于通过指定接口读取所述第三方终端的扩展显示标识数据EDID；
第三获取单元，用于从所述第三方终端的EDID中获取所述第一音频解码参数。
结合第二方面的第五种可能的实现方式，在上述第二方面的第六种可能的实现方式中，所述第三获取单元包括：
第一获取子单元，用于按照指定路径，从所述第三方终端的EDID中，获取数据文档；
第二获取子单元，用于从所述数据文档中获取所述第一音频解码参数。
结合第二方面至第二方面的第六种可能的实现方式中的任一可能的实现方式，在上述第二方面的第七种可能的实现方式中，所述装置包括：
读取模块，用于读取所述分体主机的EDID；
第二获取模块，用于从所述分体主机的EDID中获取所述第二音频解码参数。
结合第二方面至第二方面的第七种可能的实现方式中的任一可能的实现方式，在上述第二方面的第八种可能的实现方式中，所述选择模块包括：
第四获取单元，用于当所述分体主机还外接第三方播放源且所述第三方播放源具有音 频播放功能时，获取第三音频解码参数，所述第三音频解码参数为所述第三方播放源的音频解码参数；
选择单元，用于基于所述第一音频解码参数、第二音频解码参数和所述第三音频解码参数，从所述第三方终端、所述分体主机和所述第三方播放源中，选择转换能力大的设备。
根据本公开实施例的第三方面，提供一种音频播放装置，所述装置包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
通过选择的设备进行音频播放；
其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
本公开的实施例提供的技术方案可以包括以下有益效果：在本公开实施例中，由于分体主机和第三方终端都可以进行音频播放，并且分体主机和第三方终端的播放效果不同，因此，可以将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果，也提高了选择播放设备的准确度。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种音频播放系统架构图。
图2是根据一示例性实施例示出的另一种音频播放系统架构图。
图3是根据一示例性实施例示出的一种音频播放方法的流程图。
图4是根据一示例性实施例示出的另一种音频播放方法的流程图。
图5是根据一示例性实施例示出的第一种音频播放装置的框图。
图6是根据一示例性实施例示出的第一种选择模块的框图。
图7是根据一示例性实施例示出的第二种选择模块的框图。
图8是根据一示例性实施例示出的第三种选择模块的框图。
图9是根据一示例性实施例示出的一种第一获取模块的框图。
图10是根据一示例性实施例示出的一种第三获取单元的框图。
图11是根据一示例性实施例示出的第二种音频播放装置的框图。
图12是根据一示例性实施例示出的第四种选择模块的框图。
图13是根据一示例性实施例示出的第三种音频播放装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在对本公开实施例进行详细地解释说明之前，先对本公开实施例的系统架构予以介绍。如图1所示，该系统包括分体主机和分体屏幕，该分体主机可以通过HDMI(High Definition Multimedia Interface，高清晰度多媒体接口)与分体屏幕连接，该分体主机用于信号处理以及音频信息的播放，该分体屏幕用于显示图像。另外，该分体主机在连接分体屏幕的基础上还可以外接一个第三方播放源，该第三方播放源为用于提供视频源或者音频源的设备，且第三方播放源可以为具有音频播放功能的播放源，当然该第三方播放源还可以为不具有音频播放功能的播放源。再者，该分体主机不仅可以通过HDMI与分体屏幕进行连接，该分体主机还可以通过HDMI外接第三方终端，参见图2，第三方终端不仅可以进行图像显示，还可以进行音频播放，并且在该分体主机外接第三方终端的基础上还可以外接第三方播放源。
基于上述图1所示，当分体主机分别与分体屏幕和第三方播放源连接时，分体屏幕用于显示图像，分体主机可以用于音频播放，如果第三方播放源具有音频播放功能，则第三方播放源也可以用于音频播放，也即是该系统包括两个具有音频播放功能的设备。基于上述图2所示，当分体主机分别与第三方终端和第三方播放源连接时，分体主机和第三方终端均可以用于音频播放，如果第三方播放源具有音频播放功能，则第三方播放源也可以用于音频播放，也即是该系统包括三个具有音频播放功能的设备。而由于音频信息通常只能通过其中一个设备进行播放，因此，本公开实施例提供了一种音频信息播放方法，从而可以从多个具有音频播放功能的设备中选择一个设备来进行音频播放。
图3是根据一示例性实施例示出的一种音频播放方法的流程图，如图3所示，该音频播放方法用于终端中，包括以下步骤。
在步骤301中，获取第一音频解码参数，该第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，该第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力。
在步骤302中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该 分体主机中，选择转换能力大的设备，该第二音频解码参数为该分体主机的音频解码参数。
在步骤303中，通过选择的设备进行音频播放。
其中，该第一音频解码参数和该第二音频解码参数均至少包括音频解码方式。
在本公开实施例中，由于分体主机和第三方终端都可以进行音频播放，并且分体主机和第三方终端的播放效果不同，因此，可以将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果，也提高了选择播放设备的准确度。
在本公开的另一实施例中，该第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
采样频率，声道数量。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，包括：
确定第一个数和第二个数，该第一个数为该第一音频解码参数包括的音频解码方式的个数，该第二个数为该第二音频解码参数包括的音频解码方式的个数；
当该第一个数大于该第二个数时，将该第三方终端确定为转换能力大的设备；
当该第一个数小于该第二个数时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该确定第一个数和第二个数之后，还包括：
当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，该第一采样频率为该第一音频解码参数包括的采样频率，该第二采样频率为该第二音频解码参数包括的采样频率；
当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；
当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该确定第一个数和第二个数之后，还包括：
当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，该第一声道数量为该第一音频解码参数包括的声道数量，该第二声道数量为该第二音频解码参数包括的声道数量；
当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；
当该第一声道数量小于该第二声道数量时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该获取第一音频解码参数，包括：
通过指定接口读取该第三方终端的扩展显示标识数据EDID；
从该第三方终端的EDID中获取该第一音频解码参数。
在本公开的另一实施例中，从该第三方终端的EDID中获取该第一音频解码参数，包括：
按照指定路径，从该第三方终端的EDID中，获取数据文档；
从该数据文档中获取该第一音频解码参数。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的音频解码参数所在的设备之前，包括：
读取该分体主机的EDID；
从该分体主机的EDID中获取该第二音频解码参数。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，包括：
当该分体主机还外接第三方播放源且该第三方播放源具有音频播放功能时，获取第三音频解码参数，该第三音频解码参数为该第三方播放源的音频解码参数；
基于该第一音频解码参数、第二音频解码参数和该第三音频解码参数，从该第三方终端、该分体主机和该第三方播放源中，选择转换能力大的设备。
上述所有可选技术方案，均可按照任意结合形成本公开的可选实施例，本公开实施例对此不再一一赘述。
图4是根据一示例性实施例示出的另一种音频播放方法的流程图，参见图4，该方法包括：
在步骤401中，分体主机获取第一音频解码参数，该第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，该第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力。
由于第三方终端可以进行音频播放，分体主机也可以进行音频播放，因此，为了将第三方终端的音频播放效果和分体主机的音频播放效果进行比较，从而在第三方终端和分体主机中选择一个音频播放效果较好的设备，该分体主机可以获取第一音频解码参数，而该分体主机获取第一音频解码参数的操作可以为：通过指定接口读取该第三方终端的EDID；从该第三方终端的EDID中获取该第一音频解码参数。
其中，该分体主机从第三方终端的EDID中获取该第一音频解码参数的操作可以为：按照指定路径，从该第三方终端的EDID中，获取数据文档；从该数据文档中获取该第一音频解码参数。
需要说明的是，指定路径是指从EDID中获取数据文档的路径，并且由于数据文档一般位于EDID中的固定位置，因此，该指定路径可以事先设置，本公开实施例对此不做具体限定。
另外，数据文档是指在EDID中包含关于音频配置信息的文档，该数据文档可以为CEA-861(Consumer Electronics Association-861，电子消费协会-861)，也即是，由CEA制定的未压缩数值视频标准，本公开实施例对此不做具体限定。
再者，当分体主机获取到第三方终端的数据文档时，该分体主机可以基于音频解码参 数标识，从该数据文档中获取对应的音频解码参数，并将获取的音频解码参数确定为第一音频解码参数。
需要说明的是，音频解码参数标识用于唯一标识音频解码参数，且该音频解码参数标识可以为音频解码参数的名称等，也可以为音频解码参数的固定编号，当然还可以是其他标识，本公开实施例对此不做具体限定。
比如，当该指定路径为EDID->CEA BLOCK->DATA BLOCK时，该分体主机可以按照该指定路径，获取到数据文档为DATA BLOCK，假如音频解码参数标识为Audio，则分体主机可以基于音频解码参数标识Audio，从该DATA BLOCK中获取Audio对应的音频解码参数，将获取的音频解码参数确定为第一音频解码参数。
再者，指定接口用于获取第三方终端的EDID，且该指定接口可以为HDMI，也可以为其他接口，本公开实施例对此不做具体限定。
需要说明的是，第一音频解码参数至少包括音频解码方式，该音频解码方式是指在第三方终端中对音频信息进行解码的方式，该音频信息解码方式可以为PCM(Pulse Code Modulation，脉冲编码调制)、AC3(Audio Coding 3，音频编码3)、DTS(Digital Theater Systems，数字影院系统)、LPC(Linear Predictive Coding，线性预测编码)等，本公开实施例对此不做具体限定。
还需要说明的是，当该分体主机外接分体屏幕时，由于分体屏幕没有音频播放功能，因此，该分体主机无需通过指定接口获取第一音频解码参数，而当分体主机外接第三方终端时，由于第三方终端具有音频播放功能，因此该分体主机可以通过指定接口获取第一音频解码参数。
进一步地，该第一音频解码参数不仅可以包括音频解码方式，还可以包括以下参数中的至少一个：采样频率、声道数量。当然，该第一音频解码参数还可以包括其他的参数，比如，音频位数等，本公开实施例对此不做具体限定。
在步骤402中，分体主机基于该第一音频解码参数和第二音频解码参数，从该第三方终端和分体主机中，选择转换能力大的设备，该第二音频解码参数为该分体主机的音频解码参数。
由于转换能力是指将数字音频信号转换为模拟音频信号的能力，当转换能力越大时，设备进行音频播放时的音频播放效果越好，因此，为了获取较好的音频播放效果，该分体主机可以基于该第一音频解码参数和第二音频解码参数，从第三方终端和分体主机中，选择转换能力大的设备，而第一音频解码参数和第二音频解码参数至少包括音频解码方式，因此，该分体主机基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备的操作可以为：确定第一个数和第二个数，该第一个数为该第一音频解码参数包括的音频解码方式的个数，该第二个数为该第二音频解码参数包括的音频解码方式的个数；当该第一个数大于该第二个数时，将该第三方终端确定为转换能力大的设备；当该第一个数小于该第二个数时，将该分体主机确定为转换能力大的设备。
比如，当第一音频解码参数包括的音频解码方式为PCL、AC3和DTS时，第一个数为3个，当第二音频解码参数包括的音频解码方式为PCL和DTS时，第二个数为2个，第一个数3大于第二个数2，因此，将第三方终端确定为转换能力大的设备。
需要说明的是，该第二音频解码参数同样不仅可以包括音频解码方式，还可以包括以下参数中的至少一个：采样频率、声道数量。当然，该第二音频解码参数同样还可以包括其他的参数，比如，音频位数等，本公开实施例对此不做具体限定。
另外，当该第一个数等于该第二个数时，如果第一音频解码参数和该第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，该第一采样频率为该第一音频解码参数包括的采样频率，该第二采样频率为该第二音频解码参数包括的采样频率；当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备。
需要说明的是，采样频率是指每秒钟取得音频样本的次数，该采样频率可以为32Khz、48Khz、96Khz等，本公开实施例对此不做具体限定。
由于设备的采样频率越大播放音频信息的音频播放效果越好，因此，可以将采样频率大的设备确定为转换能力大的设备。
同理，当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，该第一声道数量为该第一音频解码参数包括的声道数量，该第二声道数量为该第二音频解码参数包括的声道数量；当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；当该第一声道数量小于该第二声道数量时，将该分体主机确定为转换能力大的设备。
需要说明的是，声道数量是指支持音频播放的通道的数量，该声道数量可以为单声道、4声道、5声道等，本公开实施例对此不做具体限定。
由于设备的声道数量越多设备的信噪比就越高，而信噪比越高设备产生的杂音越少，从而播放音频信息的音频播放效果越好，因此，可以将声道数量多的设备确定为转换能力大的设备。
同理，当该第一个数等于第二个数时，如果该第一音频解码参数和第二音频解码参数均还包括采样频率和声道数量，则获取第一采样频率和第二采样频率，当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备；当第一采样频率和第二采样频率相同时，继续获取第一声道数量和第二声道数量，当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；当该第一声道数量小于该第二声道数量时，将该分体主机确定为转换能力大的设备。
当然，当该第一音频解码参数和第二音频解码参数还包括采样频率和声道数量时，还可以先获取第一声道数量和第二声道数量，当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；当该第一声道数量小于该第二声道数量时，将该 分体主机确定为转换能力大的设备；当第一声道数量和第二声道数量相同时，继续获取第一采样频率和第二采样频率，当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备。本公开实施例对此不做具体限定。
进一步地，当第一个数和第二个数相同时，如果该第一音频解码参数和第二音频解码参数只包括音频解码方式，则该分体主机还可以基于第一解码顺序，选择转换能力大的设备，该第一解码顺序是对音频信息进行解码的所有音频解码方式，按照解码效果的优劣进行排序得到。
其中，当该分体主机获取到第一音频解码参数和第二音频解码参数，且该分体主机中事先存储有第一解码顺序时，该分体主机可以确定第一音频解码参数包括的音频解码方式在第一解码顺序中的排序位置，以及确定第二音频解码参数包括的音频解码方式在第一解码顺序中的排序位置，如果第一解码顺序是按照解码效果从优到劣的方式进行排序，则将排序位置最小的音频解码方式所在的设备确定为转换能力大的设备，如果第一解码顺序是按照解码效果从劣到优的方式进行排序，则将排序位置最大的音频解码方式所在的设备确定为转换能力大的设备。而如果第一音频解码参数和第二音频解码参数中存在相同的音频解码方式，则该分体主机可以获取第一音频解码参数和第二音频解码参数中不同的音频解码方式，如果第一解码顺序是按照解码效果从优到劣的方式进行排序，则将不同的音频解码方式中排序位置最小的音频解码方式所在的设备确定为转换能力大的设备，如果第一解码顺序是按照解码效果从劣到优的方式进行排序，则将不同的音频解码方式中排序位置最大的音频解码方式所在的设备确定为转换能力大的设备。
另外，当第一解码顺序事先存储于分体主机中，该分体主机不仅可以通过上述方法选择转换能力大的设备，该分体主机还可以基于第一解码顺序，将第一音频解码参数包括的音频解码方式和第二音频解码参数包括的音频解码方式进行一一对比，由于第一解码顺序是对音频信息进行解码的所有音频解码方式，按照解码效果的优劣进行排序得到，因此，将解码效果最优的音频解码方式所在的设备确定为转换能力大的设备。同样，如果第一音频解码参数和第二音频解码参数中存在相同的音频解码方式，则该分体主机可以将不相同的音频解码方式进行比较，将解码效果最优的音频解码方式所在的设备，确定为转换能力大的设备。
比如，当第一解码顺序是按照解码效果从优到劣的方式进行排序得到，且分体主机中存储的第一解码顺序为DTS、AC3、PCM、LPC，当第一音频解码参数包括的音频解码方式为PCM和AC3，第二音频解码参数包括的音频解码方式为PCM和LPC时，由于第一音频解码参数和第二音频解码参数中都包括音频解码方式PCM，因此，该分体主机可以基于第一解码顺序，只将AC3和PLC进行比较，确定AC3的解码效果优于该LPC解码效果，因此，可以将第三方终端确定为转换能力大的设备。
再者，该分体主机还可以直接按照解码效果，将第一音频解码参数包括的音频解码方 式和第二音频解码参数包括的音频解码方式进行排序，得到第二解码顺序，之后，该分体主机可以基于该第二解码顺序，将解码效果最优的音频解码方式所在的设备，确定为转换能力大的设备。同样，如果第一音频解码参数和第二音频解码参数中存在相同的音频解码方式，则该分体主机可以获取第一音频解码参数和第二音频解码参数中不相同的音频解码参数，并按照解码效果将不相同的音频解码方式进行排序，将解码效果最优的音频解码方式所在的设备，确定为转换能力大的设备。
需要说明的是，该第一解码顺序可以事先存储在分体主机中，本公开实施例对此不做具体限定。
另外，第一解码顺序中对音频解码方式进行排序的方式可以是按照解码效果从优到劣进行排序，也可以按照解码效果从劣到优的方式进行排列，本公开实施例对此不做具体限定。同理，第二解码顺序中对音频解码方式进行排序的方式可以是按照解码效果从优到劣进行排序，也可以按照解码效果从优到劣的方式进行排序，本公开实施例同样对此不做具体限定。
需要说明的是，该分体主机可以按照音频解码方式所需的频带宽度确定解码效果的优劣，从而按照解码效果进行排序，也可以按照其他方式确定解码效果的优劣从而进行排序，本公开实施例对此不做具体限定。
另外，当分体主机和第三方终端的转换能力相同时，该分体主机还可以从分体主机和第三方终端中随机选择一个设备，本公开实施例对此不做具体限定。
进一步地，该分体主机基于该第一音频解码参数和第二音频解码参数，从该第三方终端和分体主机中，选择转换能力大的音频解码参数所在的设备之前，该分体主机还可以读取该分体主机的EDID；从该分体主机的EDID中获取该第二音频解码参数。
其中，分体主机从该分体主机的EDID中获取第二音频解码参数的方式，可以参考分体主机获取第一音频解码参数的方式，本公开实施例对此不在进行一一赘述。
在步骤403中，通过选择的设备进行音频播放。
由于该分体主机在外接第三方终端的基础上，还可以外接一个第三方播放源，因此，当该分体主机外接的第三方播放源同样具有音频播放功能时，该分体主机还可以获取第三音频解码参数，该第三音频解码参数为该第三方播放源的音频解码参数；基于该第一音频解码参数、第二音频解码参数和第三音频解码参数，从该第三方终端、分体主机和第三方播放源中，选择转换能力大的设备。
其中，该分体主机获取第三音频解码参数的操作可以参考上述分体主机获取第一音频解码参数的操作，本公开实施例对此不再进行一一赘述。
另外，该分体主机基于该第一音频解码参数、第二音频解码参数和第三音频解码参数，从该第三方终端、分体主机和第三方播放源中选择转换能力大的设备的方法可以参考上述步骤402，本公开实施例对此不再进行一一赘述。
需要说明的是，该第三方音频源是指音频信息的播放来源，该第三方播放源可以是影 碟机、音乐播放器等，本公开实施例对此不做具体限定。
再者，该分体主机还可以外接多个具有音频播放功能的设备，该分体主机可以将该分体主机和该多个设备进行一一对比，从而选择出转换能力大的设备进行音频播放，也即是，选择出播放效果最好的设备进行音频播放，本公开实施例对此不做具体限定。
在本公开实施例中，由于分体主机和第三方终端都可以进行音频播放，并且分体主机和第三方终端的播放效果不同，因此，可以将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果，也提高了选择播放设备的准确度。
图5是根据一示例性实施例示出的一种音频播放装置框图。参照图5，该装置包括第一获取模块501，选择模块502和播放模块503。
第一获取模块501，用于获取第一音频解码参数，该第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，该第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
选择模块502，用于基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，该第二音频解码参数为该分体主机的音频解码参数；
播放模块503，用于通过选择的设备进行音频播放；
其中，该第一音频解码参数和该第二音频解码参数均至少包括音频解码方式。
在本公开的另一实施例中，该第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
采样频率，声道数量。
在本公开的另一实施例中，参见图6，该选择模块502包括：
第一确定单元5021，用于确定第一个数和第二个数，该第一个数为该第一音频解码参数包括的音频解码方式的个数，该第二个数为该第二音频解码参数包括的音频解码方式的个数；
第二确定单元5022，用于当该第一个数大于该第二个数时，将该第三方终端确定为转换能力大的设备；
第三确定单元5023，用于当该第一个数小于该第二个数时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，参见图7，该选择模块502还包括：
第一获取单元5024，用于当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，该第一采样频率为该第一音频解码参数包括的采样频率，该第二采样频率为该第二音频解码参数包括的采样频率；
第四确定单元5025，用于当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；
第五确定单元5026，用于当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，参见图8，该选择模块还包括：
第二获取单元5027，用于当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，该第一声道数量为该第一音频解码参数包括的声道数量，该第二声道数量为该第二音频解码参数包括的声道数量；
第六确定单元5028，用于当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；
第七确定单元5029，用于当该第一声道数量小于该第二声道数量时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，参见图9，该第一获取模块501包括：
读取单元5011，用于通过指定接口读取该第三方终端的扩展显示标识数据EDID；
第三获取单元5012，用于从该第三方终端的EDID中获取该第一音频解码参数。
在本公开的另一实施例中，参见图10，该第三获取单元5012包括：
第一获取子单元50121，用于按照指定路径，从该第三方终端的EDID中，获取数据文档；
第二获取子单元50122，用于从该数据文档中获取该第一音频解码参数。
在本公开的另一实施例中，参见图11，该装置包括：
读取模块504，用于读取该分体主机的EDID；
第二获取模块505，用于从该分体主机的EDID中获取该第二音频解码参数。
在本公开的另一实施例中，参见图12，该选择模块502包括：
第四获取单元50210，用于当该分体主机还外接第三方播放源且该第三方播放源具有音频播放功能时，获取第三音频解码参数，该第三音频解码参数为该第三方播放源的音频解码参数；
选择单元50211，用于基于该第一音频解码参数、第二音频解码参数和该第三音频解码参数，从该第三方终端、该分体主机和该第三方播放源中，选择转换能力大的设备。
在本公开实施例中，由于分体主机和第三方终端都可以进行音频播放，并且分体主机和第三方终端的播放效果不同，因此，可以将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果，也提高了选择播放设备的准确度。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图13是根据一示例性实施例示出的一种用于音频播放的装置1300的框图。例如，装置1300可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图13，装置1300可以包括以下一个或多个组件：处理组件1302，存储器1304，电源组件1306，多媒体组件1308，音频组件1310，输入/输出(I/O)的接口1312，传感器组件1314，以及通信组件1316。
处理组件1302通常控制装置1300的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件1302可以包括一个或多个处理器1320来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件1302可以包括一个或多个模块，便于处理组件1302和其他组件之间的交互。例如，处理组件1302可以包括多媒体模块，以方便多媒体组件1308和处理组件1302之间的交互。
存储器1304被配置为存储各种类型的数据以支持在装置1300的操作。这些数据的示例包括用于在装置1300上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器1304可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件1306为装置1300的各种组件提供电源。电源组件1306可以包括电源管理系统，一个或多个电源，及其他与为装置1300生成、管理和分配电源相关联的组件。
多媒体组件1308包括在所述装置1300和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件1308包括一个前置摄像头和/或后置摄像头。当装置1300处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1310被配置为输出和/或输入音频信号。例如，音频组件1310包括一个麦克风(MIC)，当装置1300处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1304或经由通信组件1316发送。在一些实施例中，音频组件1310还包括一个扬声器，用于输出音频信号。
I/O接口1312为处理组件1302和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮 和锁定按钮。
传感器组件1314包括一个或多个传感器，用于为装置1300提供各个方面的状态评估。例如，传感器组件1314可以检测到装置1300的打开/关闭状态，组件的相对定位，例如所述组件为装置1300的显示器和小键盘，传感器组件1314还可以检测装置1300或装置1300一个组件的位置改变，用户与装置1300接触的存在或不存在，装置1300方位或加速/减速和装置1300的温度变化。传感器组件1314可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1314还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件1314还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件1316被配置为便于装置1300和其他设备之间有线或无线方式的通信。装置1300可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信部件1316经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件1316还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置1300可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器1304，上述指令可由装置1300的处理器1320执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
一种非临时性计算机可读存储介质，当所述存储介质中的指令由移动终端的处理器执行时，使得移动终端能够执行一种音频播放方法，所述方法包括：
获取第一音频解码参数，该第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，该第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力。
基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，该第二音频解码参数为该分体主机的音频解码参数。
通过选择的设备进行音频播放。
其中，该第一音频解码参数和该第二音频解码参数均至少包括音频解码方式。
在本公开的另一实施例中，该第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
采样频率，声道数量。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，包括：
确定第一个数和第二个数，该第一个数为该第一音频解码参数包括的音频解码方式的个数，该第二个数为该第二音频解码参数包括的音频解码方式的个数；
当该第一个数大于该第二个数时，将该第三方终端确定为转换能力大的设备；
当该第一个数小于该第二个数时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该确定第一个数和第二个数之后，还包括：
当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，该第一采样频率为该第一音频解码参数包括的采样频率，该第二采样频率为该第二音频解码参数包括的采样频率；
当该第一采样频率大于该第二采样频率时，将该第三方终端确定为转换能力大的设备；
当该第一采样频率小于该第二采样频率时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该确定第一个数和第二个数之后，还包括：
当该第一个数等于该第二个数时，如果该第一音频解码参数和该第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，该第一声道数量为该第一音频解码参数包括的声道数量，该第二声道数量为该第二音频解码参数包括的声道数量；
当该第一声道数量大于该第二声道数量时，将该第三方终端确定为转换能力大的设备；
当该第一声道数量小于该第二声道数量时，将该分体主机确定为转换能力大的设备。
在本公开的另一实施例中，该获取第一音频解码参数，包括：
通过指定接口读取该第三方终端的扩展显示标识数据EDID；
从该第三方终端的EDID中获取该第一音频解码参数。
在本公开的另一实施例中，从该第三方终端的EDID中获取该第一音频解码参数，包括：
按照指定路径，从该第三方终端的EDID中，获取数据文档；
从该数据文档中获取该第一音频解码参数。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的音频解码参数所在的设备之前，包括：
读取该分体主机的EDID；
从该分体主机的EDID中获取该第二音频解码参数。
在本公开的另一实施例中，基于该第一音频解码参数和第二音频解码参数，从该第三方终端和该分体主机中，选择转换能力大的设备，包括：
当该分体主机还外接第三方播放源且该第三方播放源具有音频播放功能时，获取第三音频解码参数，该第三音频解码参数为该第三方播放源的音频解码参数；
基于该第一音频解码参数、第二音频解码参数和该第三音频解码参数，从该第三方终端、该分体主机和该第三方播放源中，选择转换能力大的设备。
在本公开实施例中，由于分体主机和第三方终端都可以进行音频播放，并且分体主机和第三方终端的播放效果不同，因此，可以将第一音频解码参数和第二音频解码参数进行比较，从而选择出转换能力大的设备作为音频播放的设备，提高了音频播放效果，也提高了选择播放设备的准确度。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (19)

  1. 一种音频播放方法，其特征在于，所述方法包括：
    获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
    基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
    通过选择的设备进行音频播放；
    其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
  2. 根据权利要求1所述的方法，其特征在于，所述第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
    采样频率，声道数量。
  3. 根据权利要求1所述的方法，其特征在于，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，包括：
    确定第一个数和第二个数，所述第一个数为所述第一音频解码参数包括的音频解码方式的个数，所述第二个数为所述第二音频解码参数包括的音频解码方式的个数；
    当所述第一个数大于所述第二个数时，将所述第三方终端确定为转换能力大的设备；
    当所述第一个数小于所述第二个数时，将所述分体主机确定为转换能力大的设备。
  4. 根据权利要求3所述的方法，其特征在于，所述确定第一个数和第二个数之后，还包括：
    当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，所述第一采样频率为所述第一音频解码参数包括的采样频率，所述第二采样频率为所述第二音频解码参数包括的采样频率；
    当所述第一采样频率大于所述第二采样频率时，将所述第三方终端确定为转换能力大的设备；
    当所述第一采样频率小于所述第二采样频率时，将所述分体主机确定为转换能力大的设备。
  5. 根据权利要求3所述的方法，其特征在于，所述确定第一个数和第二个数之后，还包括：
    当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解 码参数还包括声道数量，则获取第一声道数量和第二声道数量，所述第一声道数量为所述第一音频解码参数包括的声道数量，所述第二声道数量为所述第二音频解码参数包括的声道数量；
    当所述第一声道数量大于所述第二声道数量时，将所述第三方终端确定为转换能力大的设备；
    当所述第一声道数量小于所述第二声道数量时，将所述分体主机确定为转换能力大的设备。
  6. 根据权利要求1-5任一权利要求所述的方法，其特征在于，所述获取第一音频解码参数，包括：
    通过指定接口读取所述第三方终端的扩展显示标识数据EDID；
    从所述第三方终端的EDID中获取所述第一音频解码参数。
  7. 根据权利要求6所述的方法，其特征在于，所述从所述第三方终端的EDID中获取所述第一音频解码参数，包括：
    按照指定路径，从所述第三方终端的EDID中，获取数据文档；
    从所述数据文档中获取所述第一音频解码参数。
  8. 根据权利要求1-7任一权利要求所述的方法，其特征在于，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的音频解码参数所在的设备之前，包括：
    读取所述分体主机的EDID；
    从所述分体主机的EDID中获取所述第二音频解码参数。
  9. 根据权利要求1-8任一权利要求所述的方法，其特征在于，所述基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，包括：
    当所述分体主机还外接第三方播放源且所述第三方播放源具有音频播放功能时，获取第三音频解码参数，所述第三音频解码参数为所述第三方播放源的音频解码参数；
    基于所述第一音频解码参数、第二音频解码参数和所述第三音频解码参数，从所述第三方终端、所述分体主机和所述第三方播放源中，选择转换能力大的设备。
  10. 一种音频播放装置，其特征在于，所述装置包括：
    第一获取模块，用于获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换 为模拟音频信号的转换能力；
    选择模块，用于基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
    播放模块，用于通过选择的设备进行音频播放；
    其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
  11. 根据权利要求10所述的装置，其特征在于，所述第一音频解码参数和第二音频解码参数还包括以下参数中的至少一个：
    采样频率，声道数量。
  12. 根据权利要求10所述的装置，其特征在于，所述选择模块包括：
    第一确定单元，用于确定第一个数和第二个数，所述第一个数为所述第一音频解码参数包括的音频解码方式的个数，所述第二个数为所述第二音频解码参数包括的音频解码方式的个数；
    第二确定单元，用于当所述第一个数大于所述第二个数时，将所述第三方终端确定为转换能力大的设备；
    第三确定单元，用于当所述第一个数小于所述第二个数时，将所述分体主机确定为转换能力大的设备。
  13. 根据权利要求12所述的装置，其特征在于，所述选择模块还包括：
    第一获取单元，用于当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括采样频率，则获取第一采样频率和第二采样频率，所述第一采样频率为所述第一音频解码参数包括的采样频率，所述第二采样频率为所述第二音频解码参数包括的采样频率；
    第四确定单元，用于当所述第一采样频率大于所述第二采样频率时，将所述第三方终端确定为转换能力大的设备；
    第五确定单元，用于当所述第一采样频率小于所述第二采样频率时，将所述分体主机确定为转换能力大的设备。
  14. 根据权利要求12所述的装置，其特征在于，所述选择模块还包括：
    第二获取单元，用于当所述第一个数等于所述第二个数时，如果所述第一音频解码参数和所述第二音频解码参数还包括声道数量，则获取第一声道数量和第二声道数量，所述第一声道数量为所述第一音频解码参数包括的声道数量，所述第二声道数量为所述第二音频解码参数包括的声道数量；
    第六确定单元，用于当所述第一声道数量大于所述第二声道数量时，将所述第三方终端确定为转换能力大的设备；
    第七确定单元，用于当所述第一声道数量小于所述第二声道数量时，将所述分体主机确定为转换能力大的设备。
  15. 根据权利要求10-14任一权利要求所述的装置，其特征在于，所述第一获取模块包括：
    读取单元，用于通过指定接口读取所述第三方终端的扩展显示标识数据EDID；
    第三获取单元，用于从所述第三方终端的EDID中获取所述第一音频解码参数。
  16. 根据权利要求15所述的装置，其特征在于，所述第三获取单元包括：
    第一获取子单元，用于按照指定路径，从所述第三方终端的EDID中，获取数据文档；
    第二获取子单元，用于从所述数据文档中获取所述第一音频解码参数。
  17. 根据权利要求10-16任一权利要求所述的装置，其特征在于，所述装置包括：
    读取模块，用于读取所述分体主机的EDID；
    第二获取模块，用于从所述分体主机的EDID中获取所述第二音频解码参数。
  18. 根据权利要求10-17任一权利要求所述的装置，其特征在于，所述选择模块包括：
    第四获取单元，用于当所述分体主机还外接第三方播放源且所述第三方播放源具有音频播放功能时，获取第三音频解码参数，所述第三音频解码参数为所述第三方播放源的音频解码参数；
    选择单元，用于基于所述第一音频解码参数、第二音频解码参数和所述第三音频解码参数，从所述第三方终端、所述分体主机和所述第三方播放源中，选择转换能力大的设备。
  19. 一种音频播放装置，其特征在于，所述装置包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    获取第一音频解码参数，所述第一音频解码参数为外接在分体主机上的第三方终端的音频解码参数，所述第一音频解码参数用于描述将数字音频信号转换为模拟音频信号的转换能力；
    基于所述第一音频解码参数和第二音频解码参数，从所述第三方终端和所述分体主机中，选择转换能力大的设备，所述第二音频解码参数为所述分体主机的音频解码参数；
    通过选择的设备进行音频播放；
    其中，所述第一音频解码参数和所述第二音频解码参数均至少包括音频解码方式。
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