CN108684028B - Audio playing device adaptation method based on ble and Bluetooth audio receiver - Google Patents
Audio playing device adaptation method based on ble and Bluetooth audio receiver Download PDFInfo
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- CN108684028B CN108684028B CN201810541394.XA CN201810541394A CN108684028B CN 108684028 B CN108684028 B CN 108684028B CN 201810541394 A CN201810541394 A CN 201810541394A CN 108684028 B CN108684028 B CN 108684028B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention provides an audio playing device adaptation method based on ble and a Bluetooth audio receiver, wherein the method comprises the following steps: the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol; processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal; and sending the analog signal to an audio playing device connected with the analog signal. The invention enhances the adaptation effect for adapting different earphones and sound boxes of the Bluetooth audio receiver, can ensure that the music output conforms to the frequency response characteristics of the earphones and the sound boxes of the brand as much as possible, and exerts the audio characteristics of the earphones and the sound boxes of the brand. Meanwhile, the user can manually adjust the audio parameters on the intelligent terminal connected with the Bluetooth audio adapter according to the preference of the user so as to obtain the personally preferred music style.
Description
Technical Field
The present invention relates to the field of bluetooth audio receivers, and in particular, to a ble-based audio playing device adaptation method and a bluetooth audio receiver.
Background
There are many bluetooth audio receiver products on the market. The product is provided with an earphone jack, can be flexibly connected with various wired earphones, or connected with various sound boxes through an audio patch cord, and is flexible and various to use. When different wired earphones and sound boxes are adapted, the Bluetooth audio receiver uses the same set of audio parameters, so that the Bluetooth audio receiver cannot adapt to different earphones and sound boxes and cannot play the sound characteristics of different earphones and sound boxes.
Disclosure of Invention
The invention mainly aims to provide a ble-based audio playing device adaptation method and a Bluetooth audio receiver, and solves the problem that the existing Bluetooth audio receiver cannot adapt to different types of audio playing devices.
The invention provides an audio playing device adaptation method based on ble, which comprises the following steps:
the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol;
processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal;
and sending the analog signal to an audio playing device connected with the analog signal.
Preferably, the step of acquiring, by the bluetooth audio receiver through the ble protocol, the audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver includes:
the Bluetooth audio receiver establishes Bluetooth connection with the intelligent terminal;
and receiving the audio configuration information from the intelligent terminal through a ble protocol.
Preferably, the step of receiving the audio configuration information from the intelligent terminal through ble protocol further includes:
and acquiring audio configuration information of a specified audio playing equipment brand.
Preferably, the step of receiving the audio configuration information from the intelligent terminal through ble protocol further includes:
and obtaining self-defined audio configuration information.
Preferably, after the step of acquiring, by the bluetooth audio receiver, audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver through the ble protocol, the method further includes:
locally saving the audio configuration information.
In another aspect of the present invention, a bluetooth audio receiver is further provided, including:
the acquisition module is used for acquiring audio configuration information generated by the intelligent terminal according to the model of the audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol;
the generating module is used for processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal;
and the sending module is used for sending the analog signal to audio playing equipment connected with the sending module.
Preferably, the obtaining module includes:
the connection unit is used for establishing Bluetooth connection with the intelligent terminal;
and the receiving unit is used for receiving the audio configuration information from the intelligent terminal through a ble protocol.
Preferably, the obtaining module further comprises:
and the brand selection unit is used for acquiring audio configuration information of the specified audio playing equipment brand.
Preferably, the obtaining module further comprises:
and the self-regulation unit is used for acquiring self-defined audio configuration information.
Preferably, the obtaining module further comprises:
and the storage unit is used for locally storing the audio configuration information.
The invention provides an audio playing device adaptation method based on ble and a Bluetooth audio receiver, wherein the method comprises the following steps: the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol; processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal; and sending the analog signal to an audio playing device connected with the analog signal. The invention enhances the adaptation effect for adapting the Bluetooth audio receiver to different audio playing devices and sound boxes, can make the music output conform to the frequency response characteristics of the brand audio playing devices and sound boxes as much as possible, and exerts the audio characteristics of the brand audio playing devices and the sound boxes. Meanwhile, the user can manually adjust the audio parameters on the intelligent terminal connected with the Bluetooth audio adapter according to the preference of the user so as to obtain the personally preferred music style.
Drawings
Fig. 1 is a schematic flowchart of an embodiment of an adaptation method for a ble-based audio playing device according to the present invention;
fig. 2 is a schematic structural diagram of a bluetooth audio receiver according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention provides an audio playing device adaptation method based on ble, including:
s10, the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the Bluetooth audio receiver through a ble protocol;
s20, processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal;
and S30, sending the analog signal to an audio playing device connected with the analog signal.
In this embodiment, the bluetooth audio receiver is provided with a bluetooth audio chip and a ble chip or a dual-mode bluetooth chip for use, which support audio decoding and audio equalizer functions. The Bluetooth audio receiver can be connected with the intelligent terminal by adopting a ble protocol and an A2DP protocol. ble is a low power consumption bluetooth technology, which reduces the power consumption of the bluetooth audio receiver to the maximum. A2DP is an abbreviation for Advanced Audio Distribution Profile, the bluetooth Audio transmission model protocol. A2DP is a device capable of stacking data using a chip in an audio playback device to achieve high definition of sound. The audio playback device may be a certain brand of headphones or a sound box.
In step S10, the bluetooth audio receiver obtains, through the ble protocol, audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver. The audio configuration information refers to adjustment values for various audio parameters, such as an equalizer. The Equalizer (Equalizer) compensates the defects of the loudspeaker and the sound field by adjusting the electric signals of various frequencies, and compensates and modifies various sound sources. Or special scene modes such as subwoofer mode, concert hall mode.
In step S20, the bluetooth audio receiver processes the data audio received through the A2DP protocol according to the audio configuration information, generating an analog signal. The Bluetooth audio receiver has a dual mode or comprises two Bluetooth chips and can simultaneously receive audio configuration information and data audio. The data audio is obtained by the A2DP protocol. The audio configuration information and the data audio can be sent by the same intelligent terminal or different intelligent terminals. In this embodiment, the audio configuration information and the data audio are sent by the same intelligent terminal.
In step S30, the audio playing device connected to the bluetooth audio receiver may be a wired earphone or a wired sound box. The Bluetooth audio receiver is provided with an audio output interface connected with an audio playing device. The analog signal processed by the audio configuration information can release sound with better quality in the audio playing equipment. In one example, the audio configuration information is adapted to the audio playing device, and the audio playing device can achieve the best playing effect after the audio configuration information is processed.
Optionally, step S10 includes:
the Bluetooth audio receiver establishes Bluetooth connection with the intelligent terminal;
and receiving the audio configuration information from the intelligent terminal through a ble protocol.
In this embodiment, the bluetooth audio receiver establishes a bluetooth connection with the intelligent terminal, and then performs data transmission between the bluetooth audio receiver and the intelligent terminal. The intelligent terminal comprises but is not limited to a smart phone and a tablet computer supporting a Bluetooth dual mode. As long as bluetooth audio receiver keeps bluetooth with intelligent terminal to be connected, intelligent terminal can send audio configuration information for bluetooth audio receiver, and can not receive the influence because bluetooth audio receiver is in operating condition. That is, the bluetooth audio receiver may also receive audio configuration information when in the play state.
Optionally, step S10 further includes:
and acquiring audio configuration information of a specified audio playing equipment brand.
In this embodiment, install the APP that is used for adjusting bluetooth audio receiver's audio configuration information specially on the intelligent terminal who is connected with bluetooth audio receiver. The APP is pre-stored with audio configuration information of audio playing devices of different manufacturers. Taking earphones as an example, some brand manufacturers, such as seasel, AKG, iron triangle, Bose, etc., can specially allocate own earphones, so that the hearing effect of the earphones is more distinctive. The user selects the brand of headphones on the APP to adapt to access that brand of headphones or other audio playback device.
Optionally, step S10 further includes:
and obtaining self-defined audio configuration information.
In this embodiment, install the APP that is used for adjusting bluetooth audio receiver's audio configuration information specially on the intelligent terminal who is connected with bluetooth audio receiver. The APP also has an audio parameter adjusting function, and the volume of audio with different frequencies can be adjusted to achieve different audio effects. After the setting is finished, the intelligent terminal can send the audio configuration information to the Bluetooth audio receiver.
Optionally, after step S10, the method further includes:
locally saving the audio configuration information.
In this embodiment, the bluetooth audio receiver further has a function of storing audio configuration information. For example, the user has achieved good sound using the last audio configuration information, but inadvertently switches to another mode, resulting in poor sound results. At this time, since the bluetooth audio receiver has a function of storing the audio configuration information, the user can restore the audio configuration played last time according to the stored audio configuration information. In one example, a bluetooth audio receiver may hold up to ten copies of audio configuration information.
The invention provides an audio playing device adaptation method based on ble, which comprises the following steps: the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol; processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal; and sending the analog signal to an audio playing device connected with the analog signal. The invention enhances the adaptation effect for adapting different earphones and sound boxes of the Bluetooth audio receiver, can ensure that the music output conforms to the frequency response characteristics of the earphones and the sound boxes of the brand as much as possible, and exerts the audio characteristics of the earphones and the sound boxes of the brand. Meanwhile, the user can manually adjust the audio parameters on the intelligent terminal connected with the Bluetooth audio adapter according to the preference of the user so as to obtain the personally preferred music style.
Referring to fig. 2, an embodiment of the present invention further provides a bluetooth audio receiver, including:
the acquisition module 10 is configured to acquire, through a ble protocol, audio configuration information generated by the intelligent terminal according to the model of an audio playing device inserted into the bluetooth audio receiver;
the generating module 20 is configured to process the data audio received through the A2DP protocol according to the audio configuration information to generate an analog signal;
and the sending module 30 is configured to send the analog signal to an audio playing device connected to the sending module.
In this embodiment, the bluetooth audio receiver is provided with a bluetooth audio chip and a ble chip or a dual-mode bluetooth chip for use, which support audio decoding and audio equalizer functions. The Bluetooth audio receiver can be connected with the intelligent terminal by adopting a ble protocol and an A2DP protocol. ble is a low power consumption bluetooth technology, which reduces the power consumption of the bluetooth audio receiver to the maximum. A2DP is an abbreviation for Advanced Audio Distribution Profile, the bluetooth Audio transmission model protocol. A2DP is a device capable of stacking data using a chip in an audio playback device to achieve high definition of sound. The audio playback device may be a certain brand of headphones or a sound box.
In the obtaining module 10, the bluetooth audio receiver obtains, through the ble protocol, audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver. The audio configuration information refers to adjustment values for various audio parameters, such as an equalizer. The Equalizer (Equalizer) compensates the defects of the loudspeaker and the sound field by adjusting the electric signals of various frequencies, and compensates and modifies various sound sources. Or special scene modes such as subwoofer mode, concert hall mode.
In the generating module 20, the bluetooth audio receiver processes the data audio received through the A2DP protocol according to the audio configuration information to generate an analog signal. The Bluetooth audio receiver has a dual mode or comprises two Bluetooth chips and can simultaneously receive audio configuration information and data audio. The data audio is obtained by the A2DP protocol. The audio configuration information and the data audio can be sent by the same intelligent terminal or different intelligent terminals. In this embodiment, the audio configuration information and the data audio are sent by the same intelligent terminal.
In the sending module 30, the audio playing device connected to the bluetooth audio receiver may be a wired earphone or a wired speaker. The Bluetooth audio receiver is provided with an audio output interface connected with an audio playing device. The analog signal processed by the audio configuration information can release sound with better quality in the audio playing equipment. In one example, the audio configuration information is adapted to the audio playing device, and the audio playing device can achieve the best playing effect after the audio configuration information is processed.
Optionally, the obtaining module 10 includes:
the connection unit is used for establishing Bluetooth connection with the intelligent terminal;
and the receiving unit is used for receiving the audio configuration information from the intelligent terminal through a ble protocol.
In this embodiment, the bluetooth audio receiver establishes a bluetooth connection with the intelligent terminal, and then performs data transmission between the bluetooth audio receiver and the intelligent terminal. The intelligent terminal comprises but is not limited to a smart phone and a tablet computer supporting a Bluetooth dual mode. As long as bluetooth audio receiver keeps bluetooth with intelligent terminal to be connected, intelligent terminal can send audio configuration information for bluetooth audio receiver, and can not receive the influence because bluetooth audio receiver is in operating condition. That is, the bluetooth audio receiver may also receive audio configuration information when in the play state.
Optionally, the obtaining module 10 further includes:
and the brand selection unit is used for acquiring audio configuration information of the specified audio playing equipment brand.
In this embodiment, install the APP that is used for adjusting bluetooth audio receiver's audio configuration information specially on the intelligent terminal who is connected with bluetooth audio receiver. The APP is pre-stored with audio configuration information of audio playing devices of different manufacturers. Taking earphones as an example, some brand manufacturers, such as seasel, AKG, iron triangle, Bose, etc., can specially allocate own earphones, so that the hearing effect of the earphones is more distinctive. The user selects the brand of headphones on the APP to adapt to access that brand of headphones or other audio playback device.
Optionally, the obtaining module 10 further includes:
and the self-regulation unit is used for acquiring self-defined audio configuration information.
In this embodiment, install the APP that is used for adjusting bluetooth audio receiver's audio configuration information specially on the intelligent terminal who is connected with bluetooth audio receiver. The APP also has an audio parameter adjusting function, and the volume of audio with different frequencies can be adjusted to achieve different audio effects. After the setting is finished, the intelligent terminal can send the audio configuration information to the Bluetooth audio receiver.
Optionally, the obtaining module 10 further includes:
and the storage unit is used for locally storing the audio configuration information.
In this embodiment, the bluetooth audio receiver further has a function of storing audio configuration information. For example, the user has achieved good sound using the last audio configuration information, but inadvertently switches to another mode, resulting in poor sound results. At this time, since the bluetooth audio receiver has a function of storing the audio configuration information, the user can restore the audio configuration played last time according to the stored audio configuration information. In one example, a bluetooth audio receiver may hold up to ten copies of audio configuration information.
The invention provides a Bluetooth audio receiver, comprising: the acquisition module is used for acquiring audio configuration information generated by the intelligent terminal according to the model of the audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol; the generating module is used for processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal; and the sending module is used for sending the analog signal to audio playing equipment connected with the sending module. The invention enhances the adaptation effect for adapting different earphones and sound boxes of the Bluetooth audio receiver, can ensure that the music output conforms to the frequency response characteristics of the earphones and the sound boxes of the brand as much as possible, and exerts the audio characteristics of the earphones and the sound boxes of the brand. Meanwhile, the user can manually adjust the audio parameters on the intelligent terminal connected with the Bluetooth audio adapter according to the preference of the user so as to obtain the personally preferred music style.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. An audio playing device adapting method based on ble is characterized by comprising the following steps:
the Bluetooth audio receiver acquires audio configuration information generated by the intelligent terminal according to the model of audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol;
processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal;
and sending the analog signal to an audio playing device connected with the analog signal.
2. The audio playing device adapting method according to claim 1, wherein the step of the bluetooth audio receiver obtaining the audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver via the ble protocol comprises:
the Bluetooth audio receiver establishes Bluetooth connection with the intelligent terminal;
and receiving the audio configuration information from the intelligent terminal through a ble protocol.
3. The audio playing device adapting method according to claim 2, wherein the step of receiving the audio configuration information from the intelligent terminal via ble protocol further comprises:
audio configuration information specifying a brand of audio playback device is obtained.
4. The audio playing device adapting method according to claim 2, wherein the step of receiving the audio configuration information from the intelligent terminal via ble protocol further comprises:
and obtaining self-defined audio configuration information.
5. The audio playing device adapting method according to claim 1, wherein after the step of the bluetooth audio receiver obtaining, by the ble protocol, the audio configuration information generated by the intelligent terminal according to the model of the audio playing device inserted into the bluetooth audio receiver, the method further comprises:
locally saving the audio configuration information.
6. A bluetooth audio receiver, comprising:
the acquisition module is used for acquiring audio configuration information generated by the intelligent terminal according to the model of the audio playing equipment inserted into the Bluetooth audio receiver through a ble protocol;
the generating module is used for processing the data audio received by the A2DP protocol according to the audio configuration information to generate an analog signal;
and the sending module is used for sending the analog signal to audio playing equipment connected with the sending module.
7. The bluetooth audio receiver of claim 6, wherein the obtaining module comprises:
the connection unit is used for establishing Bluetooth connection with the intelligent terminal;
and the receiving unit is used for receiving the audio configuration information from the intelligent terminal through a ble protocol.
8. The bluetooth audio receiver of claim 7, wherein the obtaining module further comprises:
and the brand selection unit is used for acquiring audio configuration information of the specified audio playing equipment brand.
9. The bluetooth audio receiver of claim 7, wherein the obtaining module further comprises:
and the self-regulation unit is used for acquiring self-defined audio configuration information.
10. The bluetooth audio receiver of claim 6, wherein the obtaining module further comprises:
and the storage unit is used for locally storing the audio configuration information.
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