CN106843799B - Wall type charging device with Bluetooth power amplifier and audio data synchronization method - Google Patents
Wall type charging device with Bluetooth power amplifier and audio data synchronization method Download PDFInfo
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- CN106843799B CN106843799B CN201611196228.8A CN201611196228A CN106843799B CN 106843799 B CN106843799 B CN 106843799B CN 201611196228 A CN201611196228 A CN 201611196228A CN 106843799 B CN106843799 B CN 106843799B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a wall type charging device with a Bluetooth power amplifier and an audio data synchronization method. The invention ensures that the volume cannot be changed when the equipment is switched in the play mode, and simultaneously the storage unit also sends the stored volume information to the external equipment to ensure that the external equipment rewrites the volume display to ensure the synchronism of volume control, thereby avoiding the volume change caused by the change of the connection mode.
Description
Technical Field
the invention relates to smart homes, in particular to a wall type charging device with a Bluetooth power amplifier.
background
Audio devices such as iPhone, iPod, etc. manufactured by apple inc can output audio signals using bluetooth or lightning interfaces, and different definitions are made for the outputs of these two modes, where the volume levels (the percentage of the current volume to the maximum volume in the current mode) output by the bluetooth and lightning interfaces change asynchronously after the output ports are switched. For this reason, when a wall-type charging device (charging station bluetooth power amplifier product designed and manufactured by hang swan goose electrical appliances limited) with a bluetooth power amplifier, a lightning interface for charging and audio signal transmission is used, if the bluetooth playback mode is switched to the Docking playback mode (i.e. the charging and audio signal transmission are realized through the Docking of the lightning interface), the volume of the output will change. This phenomenon results in a bad user experience of the product, and when the user uses the same device as the sound source output, it is undesirable to change the volume level because the connection mode of the device is changed when the volume level is not adjusted.
disclosure of Invention
the invention aims to solve the technical problem of providing a wall type charging device with a Bluetooth power amplifier, which avoids the change of volume caused by the change of a connection mode.
in order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a take wall type charging device of bluetooth power amplifier, receives external device's audio information and sends audio signal to external speaker, its characterized in that: the device comprises an audio information receiving unit, an information processor, a storage unit, an MCU (microprogrammed control unit) and an audio power amplifier, wherein the audio information receiving unit is used for receiving audio information of external equipment and transmitting the audio information to the information processor, the information processor processes the audio information to separate audio signals and volume information, transmits the volume information to the MCU and the storage unit and transmits the audio signals to the audio power amplifier, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, the audio power amplifier amplifies the audio signals and transmits the audio signals to an external loudspeaker, the audio information receiving unit is provided with a Bluetooth module and a lightning interface, the information processor is provided with a lightning interface detection unit used for judging whether the state of the lightning interface changes or not and sends signals to the storage unit when the state of the lightning interface changes, and the storage unit sends the stored volume information before the switching of the playing mode to the MCU and the external equipment for processing.
Furthermore, the wall type charging device is also provided with a volume control unit for carrying out volume adjustment operation, the information processor adjusts volume information according to the volume adjustment operation of the volume control unit, sends the adjusted volume information to the storage unit, and sends the received volume information to the MCU and the external equipment for processing.
The invention also provides an audio data synchronization method of the wall type charging device with the Bluetooth power amplifier,
The audio data synchronization method before the switching of the play modes comprises the following steps:
firstly, the external equipment transmits audio information to an information processor through a Bluetooth module/lightning interface;
Secondly, the information processor processes the audio information and separates out audio signals and volume information;
Thirdly, the information processor transmits the volume information to the MCU and the storage unit, and transmits the audio signal to the audio power amplifier;
fourthly, the storage unit stores the received volume information;
fifthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information;
Sixthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
Seventhly, converting the audio electric signal into sound by a loudspeaker and outputting the sound;
the audio data synchronization method during switching the play modes comprises the following steps:
firstly, detecting that the connection state of the lightning interface is changed by a lightning interface detection unit to generate an excitation signal; meanwhile, the information processor continuously processes the audio information to separate out the audio signal and the volume information;
Secondly, the lightning interface detection unit sends an excitation signal to the storage unit and prevents the information processor from sending volume information;
thirdly, the storage unit sends the volume information which is originally stored and is not switched to the playing mode to the MCU and the external equipment for processing after being excited;
Fourthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, and the external equipment modifies the volume of the local current control unit and displays the volume;
fifthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
And sixthly, converting the audio electric signal into sound by the loudspeaker and outputting the sound.
Furthermore, when the volume control unit has volume adjustment operation, the information processor adjusts the volume information according to the volume adjustment operation of the volume control unit, and simultaneously sends the adjusted volume information to the storage unit, and the storage unit stores the received volume information and simultaneously sends the received volume information to the MCU and the external equipment for processing.
The technical scheme adopted by the invention is that the storage unit used for storing the current volume information is arranged, when the playing mode is switched, the storage unit sends the stored volume information before the playing mode is switched to the MCU, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, so that the volume cannot be changed when the playing mode of the equipment is switched, and meanwhile, the storage unit also sends the stored volume information to the external equipment to ensure that the external equipment rewrites volume display so as to ensure the synchronism of volume control, thereby avoiding the volume change caused by the change of the connection mode.
drawings
the invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a flowchart illustrating an audio data synchronization method according to the present invention.
Detailed Description
A wall-type charging device with a Bluetooth power amplifier is internally provided with the Bluetooth power amplifier, is connected with an external device and an external loudspeaker, receives audio information of the external device and sends an audio signal to the external loudspeaker, which comprises an audio information receiving unit, an information processor, a storage unit, an MCU (micro control unit) and an audio power amplifier, the audio information receiving unit is used for receiving the audio information of the external equipment and transmitting the audio information to the information processor, the information processor processes the audio information to separate an audio signal and volume level information, the volume information is transmitted to the MCU and the storage unit, the audio signal is transmitted to the audio power amplifier, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, and the audio power amplifier amplifies audio signals and transmits the audio signals to the external loudspeaker.
the wall type charging device is provided with the Bluetooth module, and is provided with the lightning interface, and the Bluetooth or the lightning interface is used for receiving the audio signal sent by the external equipment. The information processor is provided with a lightning interface detection unit used for judging whether the state of the lightning interface changes or not, and sending a signal to the storage unit when the state of the lightning interface changes, and the storage unit sends the stored volume information before the switching of the play mode to the MCU and the external equipment for processing.
furthermore, in order to facilitate the volume adjustment operation on the wall-type charging device, the wall-type charging device is further provided with a volume control unit for performing the volume adjustment operation, the information processor adjusts the volume information according to the volume adjustment operation of the volume control unit, sends the adjusted volume information to the storage unit, and sends the received volume information to the MCU and the external equipment for processing.
As shown in fig. 1, the present invention further provides an audio data synchronization method for a wall-type charging device with a bluetooth power amplifier.
The audio playing audio data synchronization method when the volume control unit is not operated and the playing mode is not switched is as follows:
firstly, the external equipment transmits audio information to an information processor through a Bluetooth module/lightning interface;
secondly, the information processor processes the audio information and separates out audio signals and volume information;
Thirdly, the information processor transmits the volume information to the MCU and the storage unit, and transmits the audio signal to the audio power amplifier;
fourthly, the storage unit stores the received volume information;
Fifthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information;
sixthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
and seventhly, converting the audio electric signal into sound by the loudspeaker and outputting the sound.
The audio playing audio data synchronization method when the volume control unit has volume adjustment operation is as follows:
firstly, the external equipment transmits audio information to an information processor through a Bluetooth module/lightning interface;
Secondly, the information processor processes the audio information and separates out audio signals and volume information;
thirdly, the information processor adjusts the volume information according to the volume adjusting operation of the volume control unit (the volume is + 1/-1);
fourthly, the information processor sends the separated audio signals to an audio power amplifier, and sends the adjusted volume information to a storage unit;
fifthly, the storage unit stores the received volume information and simultaneously sends the received volume information to the MCU and the external equipment for processing;
sixthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, and the external equipment modifies the volume of the local control unit and displays the volume;
seventhly, amplifying the audio signal by the audio power amplifier and transmitting the audio signal to an external loudspeaker;
and eighthly, converting the audio electric signal into sound by the loudspeaker and outputting the sound.
the audio playing audio data synchronization method during the switching of the playing modes comprises the following steps:
Firstly, detecting that the connection state of the lightning interface is changed by a lightning interface detection unit to generate an excitation signal; meanwhile, the information processor continuously processes the audio information to separate out the audio signal and the volume information;
secondly, the lightning interface detection unit sends an excitation signal to the storage unit and prevents the information processor from sending volume information;
Thirdly, the storage unit sends the volume information which is originally stored and is not switched to the playing mode to the MCU and the external equipment for processing after being excited;
Fourthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, and the external equipment modifies the volume of the local current control unit and displays the volume;
fifthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
and sixthly, converting the audio electric signal into sound by the loudspeaker and outputting the sound.
Claims (4)
1. the utility model provides a take wall type charging device of bluetooth power amplifier, receives external device's audio information and sends audio signal to external speaker, its characterized in that: the device comprises an audio information receiving unit, an information processor, a storage unit, an MCU (microprogrammed control unit) and an audio power amplifier, wherein the audio information receiving unit is used for receiving audio information of external equipment and transmitting the audio information to the information processor, the information processor processes the audio information to separate audio signals and volume information, transmits the volume information to the MCU and the storage unit and transmits the audio signals to the audio power amplifier, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, the audio power amplifier amplifies the audio signals and transmits the audio signals to an external loudspeaker, the audio information receiving unit is provided with a Bluetooth module and a lightning interface, the information processor is provided with a lightning interface detection unit used for judging whether the state of the lightning interface changes or not and sends signals to the storage unit when the state of the lightning interface changes, and the storage unit sends the stored volume information before the switching of the playing mode to the MCU and the external equipment for processing.
2. The wall type charging device with Bluetooth power amplifier of claim 1, characterized in that: the wall type charging device is also provided with a volume control unit for carrying out volume adjustment operation, the information processor adjusts volume information according to the volume adjustment operation of the volume control unit, sends the adjusted volume information to the storage unit, and sends the received volume information to the MCU and the external equipment for processing.
3. a audio data synchronization method of a wall type charging device with a Bluetooth power amplifier is characterized in that the audio data synchronization method before the switching of the play modes comprises the following steps:
firstly, the external equipment transmits audio information to an information processor through a Bluetooth module/lightning interface;
secondly, the information processor processes the audio information and separates out audio signals and volume information;
thirdly, the information processor transmits the volume information to the MCU and the storage unit, and transmits the audio signal to the audio power amplifier;
fourthly, the storage unit stores the received volume information;
fifthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information;
Sixthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
Seventhly, converting the audio electric signal into sound by a loudspeaker and outputting the sound;
the audio data synchronization method during switching the play modes comprises the following steps:
firstly, detecting that the connection state of the lightning interface is changed by a lightning interface detection unit to generate an excitation signal; meanwhile, the information processor continuously processes the audio information to separate out the audio signal and the volume information;
secondly, the lightning interface detection unit sends an excitation signal to the storage unit and prevents the information processor from sending volume information;
Thirdly, the storage unit sends the volume information which is originally stored and is not switched to the playing mode to the MCU and the external equipment for processing after being excited;
Fourthly, the MCU controls the power amplification multiple K of the audio power amplifier according to the input volume information, and the external equipment modifies the volume of the local current control unit and displays the volume;
fifthly, the audio power amplifier amplifies the audio signal and transmits the audio signal to an external loudspeaker;
and sixthly, converting the audio electric signal into sound by the loudspeaker and outputting the sound.
4. the audio data synchronization method of the wall-type charging device with the Bluetooth power amplifier according to claim 3, characterized in that: when the volume control unit has volume adjustment operation, the information processor adjusts the volume information according to the volume adjustment operation of the volume control unit, and simultaneously sends the adjusted volume information to the storage unit, and the storage unit stores the received volume information and simultaneously sends the received volume information to the MCU and the external equipment for processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611196228.8A CN106843799B (en) | 2016-12-22 | 2016-12-22 | Wall type charging device with Bluetooth power amplifier and audio data synchronization method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611196228.8A CN106843799B (en) | 2016-12-22 | 2016-12-22 | Wall type charging device with Bluetooth power amplifier and audio data synchronization method |
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| CN106843799A CN106843799A (en) | 2017-06-13 |
| CN106843799B true CN106843799B (en) | 2019-12-10 |
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| CN104115224A (en) * | 2011-10-14 | 2014-10-22 | 搜诺思公司 | Systems, methods, apparatus, and articles of manufacture to control audio playback devices |
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Denomination of invention: A wall charging device with Bluetooth amplifier and audio data synchronization method Effective date of registration: 20200922 Granted publication date: 20191210 Pledgee: Bank of China Limited Linan Branch Pledgor: HANGZHOU HONYAR ELECTRICAL Co.,Ltd. Registration number: Y2020330000744 |
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Date of cancellation: 20220215 Granted publication date: 20191210 Pledgee: Bank of China Limited Linan Branch Pledgor: HANGZHOU HONYAR ELECTRICAL Co.,Ltd. Registration number: Y2020330000744 |
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Denomination of invention: A wall charging device with Bluetooth power amplifier and audio data synchronization method Effective date of registration: 20230412 Granted publication date: 20191210 Pledgee: Baochu sub branch of Bank of Hangzhou Co.,Ltd. Pledgor: HANGZHOU HONYAR ELECTRICAL Co.,Ltd. Registration number: Y2023330000699 |
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