CN105872654B - Bluetooth connection switching method, apparatus and system in audio frequency broadcast system - Google Patents
Bluetooth connection switching method, apparatus and system in audio frequency broadcast system Download PDFInfo
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- CN105872654B CN105872654B CN201610165583.2A CN201610165583A CN105872654B CN 105872654 B CN105872654 B CN 105872654B CN 201610165583 A CN201610165583 A CN 201610165583A CN 105872654 B CN105872654 B CN 105872654B
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- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses bluetooth connection switching method, the apparatus and systems in a kind of audio frequency broadcast system.This method comprises:, when monitoring that bluetooth detects trigger event, obtaining the first bluetooth signal intensity of the audiogenic device that at least one other playback equipment in the audio frequency broadcast system detects after currently playing equipment and audiogenic device establish bluetooth connection；The currently playing equipment determines candidate's playback equipment according to the first bluetooth signal intensity obtained from least one other playback equipment；The currently playing equipment is when monitoring bluetooth connection handover event, disconnect the bluetooth connection with the audiogenic device, and the bluetooth connection established between the candidate playback equipment and the audiogenic device is controlled, to be received by the candidate playback equipment and play the audio, video data of the audiogenic device.The embodiment of the present invention improves the audio playback quality of audio frequency broadcast system.
Description
Technical field
Bluetooth connection switching side the present invention relates to audio play-back technology field, in especially a kind of audio frequency broadcast system
Method, apparatus and system.
Background technique
With the continuous development that mobile interchange is applied, the sound being made of playback equipments such as intelligent network speaker, bluetooth headsets
Frequency play system is just more more and more universal.These playback equipments are integrated with processor, network interface and bluetooth module, mutual in addition to playing
Audio-video in networking, audio frequency broadcast system, which can also play, is stored in local audio-video, is such as stored in audio frequency broadcast system
In the internal storage of certain playback equipment, external memory (such as USB flash disk), NAS (Network in intelligent terminal or local area network
Attached Storage, network attached storage) etc. audio-video document on other addressable audiogenic devices.
When certain playback equipment and audiogenic device establish bluetooth connection, which works as audio frequency broadcast system
Preceding playback equipment can receive by bluetooth connection and play the audio, video data that audiogenic device sends over.However, source of sound is set
Standby may be mobile, therefore bluetooth connection and transmission performance of the audiogenic device with currently playing equipment may become
Change, if Bluetooth signal dies down, transmission quality be deteriorated, cause audio and video playing quality decline such as cause play audio-video interrupt or
There is noise.For example, user is connected to certain playback equipment of audio frequency broadcast system using its smart phone, and audio-video is sent out
Be sent to this playback equipment broadcasting, if user hold smart phone to another place (such as from a parlor to bedroom), by
In the barrier that distance change is remote and wall is to signal, the bluetooth connection quality of above-mentioned smart phone and playback equipment can decline, even
Lead to the interruption in transmission, is eventually exhibited as appearance when audio frequency broadcast system plays the audio-video that above-mentioned smart phone transmits
Staccato.
Summary of the invention
A kind of bluetooth connection switching method being designed to provide in audio frequency broadcast system of the embodiment of the present invention, device and
System, to improve the audio playback quality of audio frequency broadcast system.
In a first aspect, the embodiment of the invention provides the bluetooth connection switching methods in a kind of audio frequency broadcast system, comprising:
After currently playing equipment and audiogenic device establish bluetooth connection, when monitoring that bluetooth detects trigger event, obtain
First bluetooth signal intensity of the audiogenic device that at least one other playback equipment detects in the audio frequency broadcast system；
The currently playing equipment is according to the first bluetooth signal intensity obtained, from least one other playback equipment
Middle determining candidate playback equipment；
The currently playing equipment disconnects and connecting with the bluetooth of the audiogenic device when monitoring bluetooth connection handover event
It connects, and controls the bluetooth connection established between the candidate playback equipment and the audiogenic device, to be set by candidate play
The standby audio, video data received and play the audiogenic device.
Second aspect, the embodiment of the invention provides the bluetooth connection switching methods in a kind of audio frequency broadcast system, comprising:
After audiogenic device and currently playing equipment establish bluetooth connection, the instruction that disconnects according to currently playing equipment is broken
The bluetooth connection with the currently playing equipment is opened, the bluetooth of the candidate playback equipment determined with the currently playing equipment is established
Connection；Candidate's playback equipment is the currently playing equipment when monitoring that bluetooth detects trigger event, is broadcast according to audio
What the first bluetooth signal intensity of the audiogenic device that at least one other playback equipment detects in place system determined；
The audiogenic device sends audio, video data to the candidate playback equipment, plays the candidate playback equipment and connects
The audio, video data of receipts.
The third aspect, the embodiment of the invention provides the bluetooth connection switching device in a kind of audio frequency broadcast system, configurations
In currently playing equipment, described device includes:
Bluetooth intensity obtains module, after establishing bluetooth connection for the currently playing equipment and audiogenic device, is monitoring
When detecting trigger event to bluetooth, the sound that at least one other playback equipment in the audio frequency broadcast system detects is obtained
First bluetooth signal intensity of source device；
Candidate device determining module, at least one other being broadcast from described according to the first bluetooth signal intensity obtained
It puts and determines candidate's playback equipment in equipment；
Module is established in bluetooth connection, for when monitoring bluetooth connection handover event, disconnecting and the audiogenic device
Bluetooth connection, and the bluetooth connection established between the candidate playback equipment and the audiogenic device is controlled, by the candidate
Playback equipment receives and plays the audio, video data of the audiogenic device.
Fourth aspect, the embodiment of the invention provides the bluetooth connection switching device in a kind of audio frequency broadcast system, configurations
In audiogenic device, described device includes:
Bluetooth connection module is set after establishing bluetooth connection for audiogenic device and currently playing equipment according to currently playing
The standby bluetooth connection for disconnecting instruction disconnection and the currently playing equipment, foundation are determined with the currently playing equipment
The bluetooth connection of candidate playback equipment；Candidate's playback equipment is that the currently playing equipment is monitoring bluetooth detection triggering
The first bluetooth letter when event, according to the audiogenic device that at least one other playback equipment in audio frequency broadcast system detects
What number intensity determined；
Data transmission blocks make the candidate playback equipment for sending audio, video data to the candidate playback equipment
Play received audio, video data.
5th aspect, the embodiment of the invention provides a kind of audio frequency broadcast systems, including currently playing equipment and at least one
A other playback equipments, the currently playing equipment include any embodiment of that present invention provide be configured in currently playing equipment
Audio frequency broadcast system in bluetooth connection switching device.
After technical solution provided in an embodiment of the present invention, currently playing equipment and audiogenic device establish bluetooth connection, currently
Playback equipment is by the first bluetooth signal intensity of the audiogenic device detected according to other playback equipments, from other playback equipments
In for audiogenic device determine candidate playback equipment, and control audiogenic device and candidate playback equipment establishes bluetooth connection, that is, in sound
When audio transmission is second-rate between source device and currently playing equipment, by being in time that audiogenic device replaces playback equipment, from
And the bluetooth connection and transmission of high quality are provided for audiogenic device, improve the audio playback quality of audio frequency broadcast system.
Detailed description of the invention
Fig. 1 a is the process of the bluetooth connection switching method in a kind of audio frequency broadcast system that the embodiment of the present invention one provides
Schematic diagram；
Fig. 1 b is a kind of audio frequency broadcast system structure chart that the embodiment of the present invention one provides；
Fig. 1 c is a kind of audio frequency broadcast system structure chart that the embodiment of the present invention one provides；
Fig. 2 is that the process of the bluetooth connection switching method in a kind of audio frequency broadcast system provided by Embodiment 2 of the present invention is shown
It is intended to；
Fig. 3 is that the process of the bluetooth connection switching method in a kind of audio frequency broadcast system that the embodiment of the present invention three provides is shown
It is intended to；
Fig. 4 is that the structure of the bluetooth connection switching device in a kind of audio frequency broadcast system that the embodiment of the present invention four provides is shown
It is intended to；
Fig. 5 a is the structure of the bluetooth connection switching device in a kind of audio frequency broadcast system that the embodiment of the present invention five provides
Schematic diagram；
Fig. 5 b is the structure chart of playback equipment in a kind of audio frequency broadcast system of the offer of the embodiment of the present invention five.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 a is the process of the bluetooth connection switching method in a kind of audio frequency broadcast system that the embodiment of the present invention one provides
Schematic diagram, this method can be executed by the bluetooth connection switching device in audio frequency broadcast system, and wherein the device can be by software
And/or hardware realization, a part that can be used as currently playing equipment are built in inside currently playing equipment.As shown in Figure 1a,
The implementation process includes:
After step 11, currently playing equipment and audiogenic device establish bluetooth connection, bluetooth detection trigger event is being monitored
When, obtain the first bluetooth letter for the audiogenic device that at least one other playback equipment in the audio frequency broadcast system detects
Number intensity.
In conjunction with shown in Fig. 1 b and Fig. 1 c, audio frequency broadcast system includes more playback equipments, passes through grid between playback equipment
(MESH) or the wireless private network such as point-to-point (Ad-hoc) is communicated, wherein in audio frequency broadcast system a playback equipment
Wired connection (with reference to Fig. 1 b) can be established with router, this playback equipment can also be established with router and be wirelessly connected (ginseng
Examine Fig. 1 c).Every playback equipment is integrated with bluetooth module in audio frequency broadcast system.Audiogenic device bluetooth-capable can be with
Playback equipment is transferred to playback equipment by bluetooth connection, by the audio, video data of audiogenic device, and playback equipment, which receives, comes from sound
After the audio, video data of source device, not only itself can play received audio, video data, can also be by received audio-video number
It is played out according to other playback equipments in audio frequency broadcast system are transferred to by private network.
Wherein, currently playing equipment refers to any playback equipment in audio frequency broadcast system, what other playback equipments referred to
It is the playback equipment in audio frequency broadcast system in addition to the playback equipment.
Illustratively, the audiogenic device that at least one other playback equipment detects in the audio frequency broadcast system is obtained
First bluetooth signal intensity may include:
A, at least one other playback equipment sends Bluetooth signal detection instruction in Xiang Suoshu audio frequency broadcast system.
Specifically, currently playing equipment passes through privately owned net when currently playing equipment monitoring to bluetooth detects trigger event
Network broadcasts Bluetooth signal detection instruction to other playback equipments, and wherein Bluetooth signal detection instruction includes the indigo plant of the audiogenic device
Tooth module information, the bluetooth module information include bluetooth title and/or bluetooth MAC (Media Access Control, media
Access control) address etc..
B, the first bluetooth signal intensity of the audiogenic device that at least one other playback equipment detects is obtained.
Specifically, after other playback equipments receive Bluetooth signal detection instruction, if the bluetooth mould of other playback equipments
What block was not turned on, then other playback equipments open bluetooth module, monitor the first bluetooth signal intensity of audiogenic device, and will prison
The first bluetooth signal intensity measured is sent to currently playing equipment, and currently playing equipment obtains what other playback equipments monitored
First bluetooth signal intensity of audiogenic device.
Here, foundation first bluetooth signal intensity more accurate for next step, determines from other playback equipments
Candidate playback equipment, in order to preferably determine the position of audiogenic device, currently playing equipment can be in audio frequency broadcast system
Repeatedly broadcast Bluetooth signal detection instruction indicates the first bluetooth signal intensity of other playback equipment repeated detection audiogenic devices simultaneously
Repeated detection is returned as a result, indicating that other playback equipments continue for some time monitoring and return to being averaged for repeated detection result
Value.
Step 12, the currently playing equipment are according to the first bluetooth signal intensity obtained, from described at least one other
Candidate's playback equipment is determined in playback equipment.
Illustratively, the strongest other broadcastings of the first bluetooth signal intensity that currently playing equipment can directly will test
Equipment is determined as candidate playback equipment；The other of the screening conditions for meeting setting can also be screened according to the first bluetooth signal intensity
Playback equipment, then according to the candidate broadcasting of workload information selection of candidate playback equipment from other playback equipments after screening
The smallest other playback equipments of workload are such as determined as candidate playback equipment by equipment.Above-mentioned screening conditions can be with the first indigo plant
Tooth signal strength is greater than the second bluetooth signal intensity of the audiogenic device that currently playing equipment detects.
Step 13, the currently playing equipment disconnect and the audiogenic device when monitoring bluetooth connection handover event
Bluetooth connection, and the bluetooth connection established between the candidate playback equipment and the audiogenic device is controlled, by the time
It selects playback equipment to receive and plays the audio, video data of the audiogenic device.
Specifically, currently playing equipment sets candidate's broadcasting when currently playing equipment monitoring is to bluetooth connection handover event
Bluetooth title and/or Bluetooth MAC address in such as candidate playback equipment of standby bluetooth module information, are sent to sound by bluetooth connection
Source device, and the bluetooth connection with audiogenic device is disconnected, bluetooth module of the audiogenic device according to the candidate playback equipment received
Information establishes the bluetooth connection between candidate playback equipment, and audiogenic device is transmitted by bluetooth connection to candidate playback equipment
Audio, video data, candidate playback equipment can play the audio, video data received, audio, video data can also be transferred to and be worked as
Preceding playback equipment plays out.It should be noted that if audiogenic device and currently playing equipment are linked into same wireless router,
Then currently playing equipment can also be by WIFI (Wireless Fidelity, Wireless Fidelity) network by candidate playback equipment
Bluetooth module information is sent to audiogenic device.
It is currently playing after technical solution provided in this embodiment, currently playing equipment and audiogenic device establish bluetooth connection
Equipment is from other playback equipments by the first bluetooth signal intensity of the audiogenic device detected according to other playback equipments
Audiogenic device determines candidate playback equipment, and controls audiogenic device and establish bluetooth connection with candidate playback equipment, that is, sets in source of sound
It is standby when audio transmission is second-rate between currently playing equipment, by being in time that audiogenic device replaces playback equipment, to be
Audiogenic device provides the bluetooth connection and transmission of high quality, improves the audio playback quality of audio frequency broadcast system.
Illustratively, the second of the audiogenic device that the currently playing equipment is detected according to the currently playing equipment is blue
The packet loss or the bit error rate of bluetooth transmission paths between tooth signal strength or the currently playing equipment and the audiogenic device,
Generate the bluetooth detection trigger event.
Specifically, being detected to currently playing device periodically after currently playing equipment and audiogenic device establish bluetooth connection
First bluetooth signal intensity of audiogenic device, or detect the packet loss or mistake of itself bluetooth transmission paths between audiogenic device
Code rate.If the second bluetooth signal intensity of the audiogenic device that the currently playing equipment detects is believed less than preset first bluetooth
The packet loss of bluetooth transmission paths is greater than preset number between intensity threshold or the currently playing equipment and the audiogenic device
The bit error rate of bluetooth transmission paths is greater than preset between packet loss threshold values or the currently playing equipment and the audiogenic device
Bit error rate threshold values then generates the bluetooth detection trigger event.
Illustratively, described currently playing to set if receiving the bluetooth connection detection instruction that the audiogenic device is sent
Bluetooth between standby the second bluetooth signal intensity or the currently playing equipment and the audiogenic device for detecting the audiogenic device
The packet loss or the bit error rate of transmission path, wherein the bluetooth connection detection instruction is by the audiogenic device according to the source of sound
What the motion state of equipment generated.
Specifically, after currently playing equipment and audiogenic device establish bluetooth connection, acceleration transducer, top in audiogenic device
The movement state information of the motion sensor senses audiogenic device such as spiral shell instrument, if detecting, audiogenic device is in moving condition, sound
Source device sends bluetooth connection detection instruction to currently playing equipment, and currently playing equipment receives bluetooth connection detection instruction
Afterwards, it detects the first bluetooth signal intensity of audiogenic device, or detects itself bluetooth transmission paths between audiogenic device and lose
Packet rate or the bit error rate.
Illustratively, the first bluetooth signal intensity of the audiogenic device detected in the candidate playback equipment, subtracts described
The difference of second bluetooth signal intensity of the audiogenic device that currently playing equipment detects is greater than preset second bluetooth signal intensity
When threshold values, the bluetooth connection handover event is generated.Wherein, the second bluetooth signal intensity threshold values is positive number.
Further, audio, video data is transmitted in order to avoid passing through bluetooth connection with audiogenic device in currently playing equipment
In the process, currently playing equipment is disconnected transmits data outage between audiogenic device caused by bluetooth connection, illustratively, in institute
The first bluetooth signal intensity for stating the audiogenic device that candidate playback equipment detects subtracts the sound that the currently playing equipment detects
The difference of second bluetooth signal intensity of source device is greater than preset second bluetooth signal intensity threshold values, and described currently playing sets
It is standby when being not in Bluetooth data transfer state with the audiogenic device, the bluetooth connection handover event is generated, if currently broadcasting
It puts equipment to be in song switching or play pause, then currently playing equipment and audiogenic device are not in Bluetooth data transfer state.
Embodiment two
Fig. 2 is that the process of the bluetooth connection switching method in a kind of audio frequency broadcast system provided by Embodiment 2 of the present invention is shown
Be intended to, this method can execute by the bluetooth connection switching device in audio frequency broadcast system, wherein the device can by software with/
Or hardware realization, a part that can be used as audiogenic device are built in inside audiogenic device.As shown in Fig. 2, the implementation process packet
It includes:
After step 21, audiogenic device and currently playing equipment establish bluetooth connection, the disconnection according to currently playing equipment connects
The bluetooth connection of instruction disconnection and the currently playing equipment is connect, the candidate broadcasting determined with the currently playing equipment is established and sets
Standby bluetooth connection.
Wherein, the candidate playback equipment is the currently playing equipment when monitoring that bluetooth detects trigger event, according to
First bluetooth signal intensity of the audiogenic device detected according to playback equipment at least one other in audio frequency broadcast system is true
Fixed.
Step 22, the audiogenic device send audio, video data to the candidate playback equipment, set candidate play
It is standby to play received audio, video data.
Illustratively, audiogenic device and currently playing equipment are established after bluetooth connection, in disconnection and audio frequency broadcast system
Before the bluetooth connection of currently playing equipment, further includes:
A, the audiogenic device detects the movement state information of the audiogenic device.
Motion sensor in audiogenic device, such as the motion state letter of acceleration transducer or gyroscope detection audiogenic device
Breath.
B, the audiogenic device generates bluetooth connection detection instruction according to the movement state information detected.
Illustratively, the audiogenic device generates bluetooth connection detection instruction, packet according to the movement state information detected
Include: if determining that the audiogenic device is in moving condition according to the movement state information detected, the audiogenic device is generated
Bluetooth connection detection instruction；Otherwise, motion state detection operation is continued to execute.
C, the audiogenic device sends the bluetooth connection detection instruction to the currently playing equipment, makes described currently to broadcast
It puts equipment and detects indigo plant between the second bluetooth signal intensity, the currently playing equipment and the audiogenic device of the audiogenic device
The packet loss or the bit error rate of tooth transmission path, so that the currently playing equipment, which generates the bluetooth, detects trigger event.
Embodiment three
The present embodiment on the basis of above-described embodiment one and embodiment two, with comprising playback equipment A, playback equipment B and
The audio frequency broadcast system of playback equipment C, and for audiogenic device is smart phone, it specifically provides in a kind of audio frequency broadcast system
Bluetooth connection switching method.Fig. 3 is the bluetooth connection switching in a kind of audio frequency broadcast system that the embodiment of the present invention three provides
The flow diagram of method, as shown in figure 3, this method comprises:
After step 31, smart phone and playback equipment A establish bluetooth connection, motion sensor senses intelligence in smart phone
The movement state information of mobile phone.
If step 32, smart phone are in moving condition, smart phone generates bluetooth connection detection instruction, and to broadcasting
Equipment A sends bluetooth detection instruction.
After step 33, playback equipment A receive bluetooth detection instruction, if detecting the second bluetooth signal intensity of smart phone
Less than bluetooth transmission paths between the first bluetooth signal intensity threshold values or playback equipment A and smart phone packet loss be greater than lose
The bit error rate of packet rate threshold values or the bluetooth transmission paths is greater than bit error rate threshold values, then bluetooth is broadcasted in audio frequency broadcast system
Signal detection instruction.
Wherein, Bluetooth signal detection instruction includes the bluetooth title and/or Bluetooth MAC address of smart phone.
Step 34, playback equipment B and playback equipment C detect smart phone according to the Bluetooth signal detection instruction received
The first bluetooth signal intensity, and the first bluetooth signal intensity is sent to playback equipment A.
Step 35, playback equipment A are according to received first bluetooth signal intensity, from playback equipment B and playback equipment C really
Fixed candidate's playback equipment.
Specifically, if the first bluetooth signal intensity that playback equipment B is detected is greater than or equal to what playback equipment C was detected
Playback equipment B is then determined as candidate playback equipment by the first bluetooth signal intensity；Otherwise, playback equipment C is determined as candidate to broadcast
Put equipment.
The bluetooth module information of candidate playback equipment is sent to smart phone, and disconnection and intelligence by step 36, playback equipment A
The bluetooth connection of energy mobile phone.
Step 37, candidate playback equipment establish the bluetooth connection with smart phone, receive smart phone by bluetooth connection
Audio, video data.
Received audio, video data is transferred to playback equipment A and played out by step 38, candidate playback equipment.
Fourth embodiment
Fig. 4 is that the structure of the bluetooth connection switching device in a kind of audio frequency broadcast system that the embodiment of the present invention four provides is shown
It is intended to, which can be configured in currently playing equipment.As shown in figure 4, the bluetooth connection in the audio frequency broadcast system switches
The specific structure of device may include:
Bluetooth intensity obtains module 41, after establishing bluetooth connection for the currently playing equipment and audiogenic device, is supervising
Measure bluetooth detection trigger event when, obtain at least one other playback equipment in the audio frequency broadcast system detect it is described
First bluetooth signal intensity of audiogenic device；
Candidate device determining module 42, for according to the first bluetooth signal intensity obtained, from described at least one other
Candidate's playback equipment is determined in playback equipment；
Module 43 is established in bluetooth connection, for disconnecting and the audiogenic device when monitoring bluetooth connection handover event
Bluetooth connection, and the bluetooth connection established between the candidate playback equipment and the audiogenic device is controlled, by the time
It selects playback equipment to receive and plays the audio, video data of the audiogenic device.
Further, the device further include:
Trigger event generation module, the second bluetooth letter of the audiogenic device for being detected according to the currently playing equipment
The packet loss or the bit error rate of bluetooth transmission paths number between intensity or the currently playing equipment and the audiogenic device, generate
The bluetooth detects trigger event.
Further, the trigger event generation module is specifically used for:
If it is blue that the second bluetooth signal intensity of the audiogenic device that the currently playing equipment detects is less than preset first
The packet loss of bluetooth transmission paths is greater than pre- between tooth signal strength threshold values or the currently playing equipment and the audiogenic device
If packet loss threshold values or the currently playing equipment and the audiogenic device between bluetooth transmission paths the bit error rate be greater than it is pre-
If bit error rate threshold values, then generate bluetooth detection trigger event.
Further, the device further include:
Detection instruction receiving module, if the bluetooth connection detection instruction sent for receiving the audiogenic device, is examined
Survey Bluetooth transmission between the second bluetooth signal intensity or the currently playing equipment and the audiogenic device of the audiogenic device
The packet loss or the bit error rate in path, wherein the bluetooth connection detection instruction is by the audiogenic device according to the audiogenic device
Motion state generate.
Further, bluetooth intensity acquisition module 41 may include:
Detection instruction transmission unit is monitoring indigo plant after establishing bluetooth connection for currently playing equipment and audiogenic device
When tooth detects trigger event, at least one other playback equipment sends Bluetooth signal detection and refers in Xiang Suoshu audio frequency broadcast system
It enables, the Bluetooth signal detection instruction includes the bluetooth module information of the audiogenic device, wherein the bluetooth module packet
Include bluetooth title and/or Bluetooth MAC address；
Bluetooth intensity acquiring unit, for obtaining the of the audiogenic device that at least one other playback equipment detects
One bluetooth signal intensity.
Further, which can also include handover event generation module, be used for:
In the first bluetooth signal intensity of the audiogenic device detected, subtracts the source of sound that the currently playing equipment detects and set
The difference of the second standby bluetooth signal intensity generates the bluetooth connection and cuts when being greater than preset second bluetooth signal intensity threshold values
Change event；Alternatively,
In the first bluetooth signal intensity of the audiogenic device detected, subtracts the source of sound that the currently playing equipment detects and set
The difference of the second standby bluetooth signal intensity, be greater than preset second bluetooth signal intensity threshold values, and the currently playing equipment with
When the audiogenic device is not in Bluetooth data transfer state, the bluetooth connection handover event is generated.
Further, candidate device determining module 42 is specifically used for:
The strongest other playback equipments of the first bluetooth signal intensity that will test are determined as candidate playback equipment.
Bluetooth connection switching device in audio frequency broadcast system provided in this embodiment, is mentioned with any embodiment of that present invention
The bluetooth connection switching method executed by currently playing equipment supplied belongs to same inventive concept, and any implementation of the present invention can be performed
The bluetooth connection switching method executed provided by example by currently playing equipment has the indigo plant for executing and being executed by currently playing equipment
The corresponding functional module of tooth connection switching method and beneficial effect.The not technical detail of detailed description in the present embodiment, can join
See the bluetooth connection switching method executed by currently playing equipment that any embodiment of that present invention provides.
5th embodiment
Fig. 5 a is the structure of the bluetooth connection switching device in a kind of audio frequency broadcast system that the embodiment of the present invention five provides
Schematic diagram, the device can be configured in audiogenic device.As shown in Figure 5 a, the bluetooth connection in the audio frequency broadcast system switches dress
The specific structure set may include:
Bluetooth connection module 51, after establishing bluetooth connection for audiogenic device and currently playing equipment, according to currently playing
The bluetooth connection for disconnecting instruction disconnection and the currently playing equipment of equipment is established and is determined with the currently playing equipment
Candidate playback equipment bluetooth connection；Candidate's playback equipment is that the currently playing equipment is monitoring bluetooth detection touching
The first bluetooth when hair event, according to the audiogenic device that at least one other playback equipment in audio frequency broadcast system detects
What signal strength determined；
Data transmission blocks 52 set candidate play for sending audio, video data to the candidate playback equipment
It is standby to play received audio, video data.
Further, which can also include:
Motion state detection module, after establishing bluetooth connection for audiogenic device and currently playing equipment, disconnection and sound
In frequency play system before the bluetooth connection of currently playing equipment, the movement state information of the audiogenic device is detected；
Detection instruction generation module, for generating bluetooth connection detection instruction according to the movement state information detected；
Detection instruction sending module makes institute for sending the bluetooth connection detection instruction to the currently playing equipment
State that currently playing equipment detects the second bluetooth signal intensity of the audiogenic device, the currently playing equipment is set with the source of sound
The packet loss or the bit error rate of bluetooth transmission paths between standby, so that the currently playing equipment generates the bluetooth detection triggering thing
Part.
Further, detection instruction generation module is specifically used for:
If determining that the audiogenic device is in moving condition, the audiogenic device according to the movement state information detected
Generate bluetooth connection detection instruction.
Bluetooth connection switching device in audio frequency broadcast system provided in this embodiment, is mentioned with any embodiment of that present invention
The bluetooth connection switching method executed by audiogenic device supplied belongs to same inventive concept, and any embodiment of that present invention institute can be performed
The bluetooth connection switching method executed by audiogenic device provided, has the bluetooth connection switching side for executing and being executed by audiogenic device
The corresponding functional module of method and beneficial effect.The not technical detail of detailed description in the present embodiment, reference can be made to the present invention is any
The bluetooth connection switching method executed by audiogenic device that embodiment provides.
In addition, the embodiment of the invention also provides a kind of audio frequency broadcast system, including currently playing equipment and at least one
Other playback equipments, the currently playing equipment include any embodiment of that present invention provide be configured in currently playing equipment
Bluetooth connection switching device in audio frequency broadcast system.
As shown in Figure 5 b, every playback equipment specifically includes that processor, bluetooth module, network connect in audio frequency broadcast system
Mouth, audio amplification block, loudspeaker and memory；
The processor is the core of playback equipment, for executing control program, communicates, coordinates with each functional module in periphery
With the work for controlling each functional module.
The bluetooth module allows playback equipment by Bluetooth technology and is likewise supplied with bluetooth for realizing Bluetooth communication
The equipment (such as smart phone) of function establishes connection, obtains audio, video data or control data.What bluetooth module will acquire
Audio, video data and control data are transferred to processor, and the audio, video data for also transmitting processor and control data are sent
To other bluetooth equipments.
The network interface can make wired network interface, can also make the radio network interface for meeting 802.11 specifications,
The processor may be coupled to internet by network interface, obtain network flow-medium audio, video data.By network interface,
The especially form of wireless network, more playback equipments can form a radio audio-video system, realize the synchronization of audio-video
It plays.Under normal conditions, each controlling terminal is also to be connected by wireless network (such as WIFI) into audio-visual system, to audio-video
Playback equipment in system and system carries out operation control.
The analog audio signal that the audio amplification block is used to send over processor carries out power amplification, with driving
Loudspeaker sounding.
The loudspeaker is sound-reducing component, and quantity can be one or more.
Some configuration datas of program and audio-visual system that the reservoir is executed for storage processor, such as net
Network connects data, information volume, grouping information and the list of songs played etc..
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (19)
1. the bluetooth connection switching method in a kind of audio frequency broadcast system characterized by comprising
It is described current when monitoring that bluetooth detects trigger event after currently playing equipment and audiogenic device establish bluetooth connection
Playback equipment obtains the first of the audiogenic device that at least one other playback equipment in the audio frequency broadcast system detects
Bluetooth signal intensity；Wherein, every playback equipment is all integrated with bluetooth mould in the audiogenic device and the audio frequency broadcast system
Block, playback equipment and audiogenic device pass through bluetooth connection；
The currently playing equipment is according to the first bluetooth signal intensity obtained, from least one other playback equipment really
Fixed candidate's playback equipment；
The currently playing equipment disconnects the bluetooth connection with the audiogenic device when monitoring bluetooth connection handover event,
And the bluetooth connection established between the candidate playback equipment and the audiogenic device is controlled, to be connect by the candidate playback equipment
Receive and play the audio, video data of the audiogenic device；
Wherein, the currently playing equipment obtains the sound that at least one other playback equipment detects in the audio frequency broadcast system
First bluetooth signal intensity of source device, comprising:
The currently playing equipment at least one other playback equipment into the audio frequency broadcast system sends Bluetooth signal detection
Instruction, the Bluetooth signal detection instruction includes the bluetooth module information of the audiogenic device, wherein the bluetooth module information
Including bluetooth title and/or Bluetooth MAC address；
The currently playing equipment obtains the first bluetooth letter for the audiogenic device that at least one other playback equipment detects
Number intensity.
2. the method according to claim 1, wherein
Second bluetooth signal intensity of the audiogenic device that the currently playing equipment is detected according to the currently playing equipment, or
The packet loss or the bit error rate of bluetooth transmission paths between the currently playing equipment and the audiogenic device generate the bluetooth inspection
Survey trigger event.
3. according to the method described in claim 2, it is characterized in that, the currently playing equipment is according to the currently playing equipment
Bluetooth passes between second bluetooth signal intensity of the audiogenic device detected or the currently playing equipment and the audiogenic device
The packet loss or the bit error rate in defeated path generate the bluetooth detection trigger event, comprising:
If the second bluetooth signal intensity of the audiogenic device that the currently playing equipment detects is believed less than preset first bluetooth
The packet loss of bluetooth transmission paths is greater than preset number between intensity threshold or the currently playing equipment and the audiogenic device
The bit error rate of bluetooth transmission paths is greater than preset between packet loss threshold values or the currently playing equipment and the audiogenic device
Bit error rate threshold values then generates the bluetooth detection trigger event.
4. according to the method described in claim 2, it is characterized in that,
If receiving the bluetooth connection detection instruction that the audiogenic device is sent, the currently playing equipment detects the source of sound
The packet loss of bluetooth transmission paths between second bluetooth signal intensity of equipment or the currently playing equipment and the audiogenic device
Rate or the bit error rate, wherein the bluetooth connection detection instruction is the motion state by the audiogenic device according to the audiogenic device
It generates.
5. the method according to claim 1, wherein
In the first bluetooth signal intensity of the audiogenic device that the candidate playback equipment detects, subtract the currently playing equipment inspection
The difference of second bluetooth signal intensity of the audiogenic device measured when being greater than preset second bluetooth signal intensity threshold values, generates institute
State bluetooth connection handover event；Alternatively,
In the first bluetooth signal intensity of the audiogenic device that the candidate playback equipment detects, subtract the currently playing equipment inspection
The difference of second bluetooth signal intensity of the audiogenic device measured is greater than preset second bluetooth signal intensity threshold values, and described works as
When preceding playback equipment and the audiogenic device are not in Bluetooth data transfer state, the bluetooth connection handover event is generated.
6. the method according to claim 1, wherein the first bluetooth signal intensity according to acquisition, from it is described to
Candidate playback equipment is determined in few other playback equipments, comprising:
The strongest other playback equipments of the first bluetooth signal intensity that will test are determined as candidate playback equipment.
7. the bluetooth connection switching method in a kind of audio frequency broadcast system characterized by comprising
After audiogenic device and currently playing equipment establish bluetooth connection, according to currently playing equipment disconnect instruction disconnect with
The bluetooth connection of the currently playing equipment, the bluetooth for establishing the candidate playback equipment determined with the currently playing equipment connect
It connects；Candidate's playback equipment is the currently playing equipment when monitoring that bluetooth detects trigger event, described currently playing
First Bluetooth signal of the audiogenic device that equipment is detected according at least one other playback equipment in audio frequency broadcast system
What intensity determined；Wherein, every playback equipment is all integrated with bluetooth module in the audiogenic device and the audio frequency broadcast system,
Playback equipment and audiogenic device pass through bluetooth connection；
The audiogenic device sends audio, video data to the candidate playback equipment, plays the candidate playback equipment received
Audio, video data.
8. the method according to the description of claim 7 is characterized in that audiogenic device and currently playing equipment establish bluetooth connection it
Afterwards, disconnect with audio frequency broadcast system in currently playing equipment bluetooth connection before, further includes:
The audiogenic device detects the movement state information of the audiogenic device；
The audiogenic device generates bluetooth connection detection instruction according to the movement state information detected；
The audiogenic device sends the bluetooth connection detection instruction to the currently playing equipment, makes the currently playing equipment
Detect Bluetooth transmission between the second bluetooth signal intensity, the currently playing equipment and the audiogenic device of the audiogenic device
The packet loss or the bit error rate in path, so that the currently playing equipment, which generates the bluetooth, detects trigger event.
9. according to the method described in claim 8, it is characterized in that, the audiogenic device is according to the motion state letter detected
Breath generates bluetooth connection detection instruction, comprising:
If determining that the audiogenic device is in moving condition according to the movement state information detected, the audiogenic device is generated
Bluetooth connection detection instruction.
10. the bluetooth connection switching device in a kind of audio frequency broadcast system, which is characterized in that it is configured in currently playing equipment,
Described device includes:
Bluetooth intensity obtains module, after establishing bluetooth connection for the currently playing equipment and audiogenic device, is monitoring indigo plant
When tooth detects trigger event, the currently playing equipment obtains at least one other playback equipment inspection in the audio frequency broadcast system
First bluetooth signal intensity of the audiogenic device measured；Wherein, every in the audiogenic device and the audio frequency broadcast system
Platform playback equipment is all integrated with bluetooth module, and playback equipment and audiogenic device pass through bluetooth connection；
Candidate device determining module, the first bluetooth signal intensity for being obtained according to the currently playing equipment, from it is described to
Candidate playback equipment is determined in few other playback equipments；
Module is established in bluetooth connection, for the currently playing equipment monitoring arrive bluetooth connection handover event when, disconnection and institute
The bluetooth connection of audiogenic device is stated, and controls the bluetooth connection established between the candidate playback equipment and the audiogenic device,
To be received by the candidate playback equipment and play the audio, video data of the audiogenic device；
Wherein, bluetooth intensity acquisition module includes:
Detection instruction transmission unit, after establishing bluetooth connection for currently playing equipment and audiogenic device, described currently playing
When equipment monitoring detects trigger event to bluetooth, at least one other playback equipment sends bluetooth in Xiang Suoshu audio frequency broadcast system
Signal detection instruction, the Bluetooth signal detection instruction includes the bluetooth module information of the audiogenic device, wherein the bluetooth
Module information includes bluetooth title and/or Bluetooth MAC address；
Bluetooth intensity acquiring unit obtains what at least one other playback equipment detected for the currently playing equipment
First bluetooth signal intensity of audiogenic device.
11. device according to claim 10, which is characterized in that further include:
Second Bluetooth signal of trigger event generation module, the audiogenic device for detecting according to the currently playing equipment is strong
The packet loss or the bit error rate of bluetooth transmission paths between degree or the currently playing equipment and the audiogenic device, described in generation
Bluetooth detects trigger event.
12. device according to claim 11, which is characterized in that the trigger event generation module is specifically used for:
If the second bluetooth signal intensity of the audiogenic device that the currently playing equipment detects is believed less than preset first bluetooth
The packet loss of bluetooth transmission paths is greater than preset number between intensity threshold or the currently playing equipment and the audiogenic device
The bit error rate of bluetooth transmission paths is greater than preset between packet loss threshold values or the currently playing equipment and the audiogenic device
Bit error rate threshold values then generates the bluetooth detection trigger event.
13. device according to claim 11, which is characterized in that further include:
Detection instruction receiving module, if the bluetooth connection detection instruction sent for receiving the audiogenic device, detects institute
State bluetooth transmission paths between the second bluetooth signal intensity or the currently playing equipment and the audiogenic device of audiogenic device
Packet loss or the bit error rate, wherein the bluetooth connection detection instruction is the fortune by the audiogenic device according to the audiogenic device
What dynamic state generated.
14. device according to claim 10, which is characterized in that further include handover event generation module, be used for:
In the first bluetooth signal intensity of the audiogenic device detected, subtract the audiogenic device that the currently playing equipment detects
The difference of second bluetooth signal intensity when being greater than preset second bluetooth signal intensity threshold values, generates the bluetooth connection switching thing
Part；Alternatively,
In the first bluetooth signal intensity of the audiogenic device detected, subtract the audiogenic device that the currently playing equipment detects
The difference of second bluetooth signal intensity, be greater than preset second bluetooth signal intensity threshold values, and the currently playing equipment with it is described
When audiogenic device is not in Bluetooth data transfer state, the bluetooth connection handover event is generated.
15. device according to claim 10, which is characterized in that candidate device determining module is specifically used for:
The strongest other playback equipments of the first bluetooth signal intensity that will test are determined as candidate playback equipment.
16. the bluetooth connection switching device in a kind of audio frequency broadcast system, which is characterized in that configuration is described in audiogenic device
Device includes:
Bluetooth connection module, after establishing bluetooth connection for audiogenic device and currently playing equipment, according to currently playing equipment
The bluetooth connection of instruction disconnection and the currently playing equipment is disconnected, the candidate determined with the currently playing equipment is established
The bluetooth connection of playback equipment；Candidate's playback equipment is that the currently playing equipment is monitoring bluetooth detection trigger event
When, the audiogenic device that the currently playing equipment is detected according at least one other playback equipment in audio frequency broadcast system
The first bluetooth signal intensity determine；Wherein, every playback equipment is all in the audiogenic device and the audio frequency broadcast system
It is integrated with bluetooth module, playback equipment and audiogenic device pass through bluetooth connection；
Data transmission blocks play the candidate playback equipment for sending audio, video data to the candidate playback equipment
Received audio, video data.
17. device according to claim 16, which is characterized in that further include:
Motion state detection module, after establishing bluetooth connection for audiogenic device and currently playing equipment, disconnection is broadcast with audio
In place system before the bluetooth connection of currently playing equipment, the movement state information of the audiogenic device is detected；
Detection instruction generation module, for generating bluetooth connection detection instruction according to the movement state information detected；
Detection instruction sending module makes described work as sending the bluetooth connection detection instruction to the currently playing equipment
Preceding playback equipment detect the second bluetooth signal intensity of the audiogenic device, the currently playing equipment and the audiogenic device it
Between bluetooth transmission paths packet loss or the bit error rate so that the currently playing equipment generates the bluetooth and detects trigger event.
18. device according to claim 17, which is characterized in that detection instruction generation module is specifically used for:
If determining that the audiogenic device is in moving condition according to the movement state information detected, the audiogenic device is generated
Bluetooth connection detection instruction.
19. a kind of audio frequency broadcast system, including currently playing equipment and at least one other playback equipment, which is characterized in that institute
Stating currently playing equipment includes the bluetooth connection switching device in audio frequency broadcast system described in claim 10-15.
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