CN103544956A - WIFI speaker and intelligent terminal negotiated decoding method and system - Google Patents
WIFI speaker and intelligent terminal negotiated decoding method and system Download PDFInfo
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Abstract
The invention discloses a WIFI speaker and intelligent terminal negotiated decoding method and system. The method includes: a WIFI speaker and an intelligent terminal communicate with each other in a broadcast manner and mutually report their supported play audio formats; the intelligent terminal and the WIFI speaker negotiate with each other and determine an audio decoding side, audio files to be played in the intelligent terminal are decoded by the determined audio decoding side, and audio data streams which are decoded are played by the WIFI speaker. The method and system has the advantages that the WIFI speaker and the intelligent terminal can mutually negotiate for the mutually supported audio formats, the intelligent terminal can automatically judge or a user can select the coding side according to the system environment, connection of various WIFI speakers and intelligent terminals is facilitated, and the WIFI speaker can be more intelligent.
Description
Technical field
The audio frequency that the present invention relates to WIFI sound equipment is play, and in particular a kind of WIFI sound equipment and intelligent terminal are consulted the method and system of decoding.
Background technology
WIFI sound applications is the developing direction of following sound equipment, on traditional sound equipment, integrating WIFI module realizes the application scheme of wireless acoustics, wireless connections by WIFI are connected WIFI sound equipment with intelligent terminal, intelligent terminal selects audio amplifier to play all kinds of audio/video files at music player, and user just can enjoy beautiful sound on WIFI sound equipment.
In WIFI sound equipment solution in the market, define the audio format of several supports between WIFI sound equipment and intelligent terminal, WIFI sound equipment and intelligent terminal all can not be grasped the audio format that the other side supports.Meanwhile, the audio/video decoding module that voice data is generally also limited on WIFI sound equipment is decoded, and audio decoder is very restricted.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
For the above-mentioned defect of prior art, the invention provides the method and system that a kind of WIFI sound equipment and intelligent terminal are consulted decoding, realize WIFI sound equipment and the intelligent terminal negotiation mechanism to audio format and decoding, make WIFI sound equipment more intelligent.
The technical scheme that technical solution problem of the present invention adopts is as follows:
WIFI sound equipment and intelligent terminal are consulted a method for decoding, wherein, comprise step:
WIFI sound equipment establishes a communications link by broadcast mode and intelligent terminal, and mutually notices the audio format of supporting separately broadcasting;
Intelligent terminal and described WIFI sound equipment are consulted and definite audio decoder side mutually, and by the audio decoder side determining, audio file to be played on intelligent terminal are decoded, and by the audio data stream after WIFI sound equipment broadcast decoder.
Described WIFI sound equipment and intelligent terminal are consulted the method for decoding, and wherein, the step that described WIFI sound equipment establishes a communications link by broadcast mode and intelligent terminal specifically comprises:
WIFI sound equipment periodically includes the broadcast message of self identification information to the issue of WIFI LAN broadcast address;
Intelligent terminal receives described broadcast message, and identification information is wherein presented in player, by user, is selected to determine;
Intelligent terminal selects definite WIFI sound equipment to send TCP connection to user;
WIFI sound equipment is accepted the TCP connection that intelligent terminal sends, and sets up communication connection with intelligent terminal.
Described WIFI sound equipment and intelligent terminal are consulted the method for decoding, and wherein, described mutual notice supports the step of the audio format of broadcasting specifically also to comprise separately:
Intelligent terminal sends intelligent terminal to described WIFI sound equipment and supports the audio format of playing, and the audio format of the decoding of supporting;
Described WIFI sound equipment sends the audio format of self supporting broadcasting to intelligent terminal, and the audio format of the decoding of supporting.
Described WIFI sound equipment and intelligent terminal are consulted the method for decoding, and wherein, described intelligent terminal and described WIFI sound equipment mutually consult and the step of definite audio decoder side specifically comprises:
Intelligent terminal is supported the audio format of decoding and the audio format of audio file to be played according to both sides, determines audio decoder side;
When only having intelligent terminal to support the decoding of audio format of audio file to be played, the audio decoder side by intelligent terminal as described audio file to be played;
When only having described WIFI sound equipment to support the decoding of audio format of audio file to be played, the audio decoder side by WIFI sound equipment as described audio file to be played;
When intelligent terminal and described WIFI sound equipment are all supported the decoding of audio format of audio file to be played, by intelligent terminal according to system environments automatic decision or allow user select the audio decoder side of described audio file to be played.
Described WIFI sound equipment and intelligent terminal are consulted the method for decoding, wherein, before WIFI sound equipment and intelligent terminal establish a communications link, WIFI sound equipment is set up two TCP and is monitored Socket, TCP Socket is for controlling the interactive information with intelligent terminal, another TCP Socket, for transmitting audio data, sets up a UDP broadcast socket, for issuing broadcast message to LAN (Local Area Network) simultaneously.
Described WIFI sound equipment and intelligent terminal are consulted the method for decoding, and wherein, the identification information of described WIFI sound equipment comprises WIFI sound equipment identification strings, IP address and tcp port.
WIFI sound equipment and intelligent terminal are consulted a system for decoding, and wherein, described system comprises:
Link block, establishes a communications link by broadcast mode for IFI sound equipment and intelligent terminal;
Announcement module, notices for WIFI sound equipment and intelligent terminal the audio format of supporting separately broadcasting mutually;
Decoder module, mutually consults and definite audio decoder side for intelligent terminal and described WIFI sound equipment, and by the audio decoder side determining, audio file to be played on intelligent terminal is decoded, and by the audio data stream after WIFI sound equipment broadcast decoder.
Described WIFI sound equipment and intelligent terminal are consulted the system of decoding, and wherein, described link block specifically also comprises:
Broadcast module, periodically includes the broadcast message of self identification information for WIFI sound equipment to the issue of WIFI LAN broadcast address;
Connect and set up module, for intelligent terminal, receive described broadcast message, and identification information is wherein presented in player, by user, selected to determine; And to user, select definite WIFI sound equipment transmission TCP to connect by intelligent terminal, and at WIFI sound equipment, accept, after the TCP connection of intelligent terminal transmission, to set up communication connection with intelligent terminal.
Described WIFI sound equipment and intelligent terminal are consulted the system of decoding, and wherein, described announcement module sends intelligent terminal specifically for intelligent terminal to described WIFI sound equipment and supports the audio format of broadcasting and the audio format of the decoding of supporting; And described WIFI sound equipment sends and self supports the audio format of broadcasting and the audio format of the decoding of supporting to intelligent terminal.
WIFI sound equipment provided by the present invention and intelligent terminal are consulted the method and system of decoding, the audio format that makes WIFI sound equipment and intelligent terminal hold consultation and mutually support, realize intelligent terminal and support the audio format of decoding and the audio format of audio file to be played according to both sides, determine audio decoder side, the various WIFI sound equipments of convenient access and various intelligent terminal, make WIFI sound equipment more intelligent.
Accompanying drawing explanation
Fig. 1 is the method flow diagram that WIFI sound equipment provided by the invention and intelligent terminal are consulted decoding.
Fig. 2 is the method flow diagram that in Fig. 1, WIFI sound equipment and intelligent terminal establish a communications link by broadcast mode.
Fig. 3 is the system architecture schematic diagram that WIFI sound equipment provided by the invention and intelligent terminal are consulted decoding.
Fig. 4 is the structural representation of a preferred embodiment of WIFI sound equipment provided by the invention and the intelligent terminal system of consulting decoding.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the method flow diagram that WIFI sound equipment provided by the invention and intelligent terminal are consulted decoding, comprises the following steps:
Step S100, WIFI sound equipment establish a communications link by broadcast mode and intelligent terminal, and mutually notice the audio format of supporting separately broadcasting;
Step S200, intelligent terminal and described WIFI sound equipment are consulted and definite audio decoder side mutually, and by the audio decoder side determining, audio file to be played on intelligent terminal are decoded, and by the audio data stream after WIFI sound equipment broadcast decoder.
Below in conjunction with specific embodiment, above-mentioned steps is described in detail and is described.
In step S100, first WIFI sound equipment establishes a communications link with intelligent terminal.Intelligent terminal of the present invention comprises the smart machines such as intelligent television, smart mobile phone, panel computer.Due to WIFI sound equipment and the intelligent terminal WIFI LAN(WIFI LAN (Local Area Network) that exists together) in, therefore, the present invention can adopt the mode of broadcast to set up the communication connection of the two, as shown in Figure 2, is specially:
Step S101, WIFI sound equipment periodically include the broadcast message of self identification information to the issue of WIFI LAN broadcast address; Wherein, the identification information comprising in broadcast message mainly comprises WIFI sound equipment identification strings, IP address and tcp port etc.Each WIFI sound equipment has different identification strings, IP address, and these identification informations can be convenient to intelligent terminal identification WIFI sound equipment and set up and be connected one to one with WIFI sound equipment.And intelligent terminal connects that the number of WIFI sound equipment is determined by concrete play sound effect or user oneself select definite, can be one to one, also can one-to-many.For 5.1 sound channel audios, due in 5.1 sound channel systems, adopt left (L), in (C), right (R), left back (LS), right back (RS) five direction output sounds, make people produce the sensation of facing music hall just as body, five sound channels are separate, " 0.1 " sound channel wherein, it is a custom-designed subwoofer sound channel, this sound channel can produce the subwoofer of Hz-KHz 20～120Hz, therefore, for 5.1 sound channel audios, intelligent terminal connects at most 6 WIFI sound equipments.Above-mentioned example is only for explaining that intelligent terminal connects the quantity of WIFI sound equipment, is not limited to the quantity that intelligent terminal connects WIFI sound equipment.
When connecting, the present invention supports point-to-point direct access, makes various intelligent terminals can be directly connected to WIFI sound equipment; It is upper that WIFI sound equipment and intelligent terminal can also be connected to AP simultaneously, WIFI sound equipment formed to the network sound that can share use.
Step S102, intelligent terminal receive described broadcast message, and identification information is wherein presented in player, by user, are selected to determine; Wherein, the information showing in the player of intelligent terminal can be the title of WIFI sound equipment, or other identify some information of this WIFI sound equipment.Certainly, the WIFI sound equipment connecting for need, be not limited to be selected to determine by user, also can according to information intelligents such as the identification information of WIFI sound equipment or IP addresses, be selected to determine by intelligent terminal, such as, select several WIFI sound equipments of contiguous ip address, the sound channel supported according to audio format and equipment supported several WIFI sound equipments of selection etc. automatically.
Step S103, intelligent terminal connect to selecting definite WIFI sound equipment to send TCP;
Step S104, WIFI sound equipment are accepted the TCP connection that intelligent terminal sends, and set up communication connection with intelligent terminal.Wherein, at this WIFI sound equipment, accept, after the TCP connection of intelligent terminal transmission, to stop including to the issue of WIFI LAN broadcast address the broadcast message of self identification information.
The communication connection that the present invention sets up WIFI sound equipment and intelligent terminal by the mode of broadcast, the mode connecting is simple and easy to realize, can realize the self-defined selection of intelligent terminal to WIFI sound equipment, greatly facilitate mating of intelligent terminal and WIFI sound equipment, make to connect pairing clearer and more definite.
In the present invention, WIFI sound equipment can be set up two TCP and monitor Socket when starting, TCP Socket is for controlling the interactive information with intelligent terminal, another TCP Socket is for transmitting audio data, set up a UDP broadcast Socket, for issuing broadcast message to WIFI LAN (Local Area Network) simultaneously.
After intelligent terminal and WIFI sound equipment establish a communications link, intelligent terminal and WIFI sound equipment are noticed the audio format of supporting separately broadcasting mutually, be specially: intelligent terminal sends intelligent terminal to described WIFI sound equipment and supports the audio format of playing, and the audio format of the decoding of supporting; Described WIFI sound equipment sends the audio format of self supporting broadcasting to intelligent terminal, and the audio format of the decoding of supporting.When announcing audio form, such as, intelligent terminal support is play and the audio format of decoding comprises WAVE(*.WAV), AIFF, AU, MP3, MIDI, WMA, RealAudio, VQF, OggVorbis, and the audio format of WIFI sound equipment support comprises MP3, MIDI, WMA, RealAudio, AAC, APE, it supports that the audio format of decoding is MP3, WMA and AAC, the two audio format of mutually noticing is separately known, their the common audio format of supporting is MP3, MIDI, WMA, RealAudio, therefore, the audio format that intelligent terminal and WIFI sound equipment can be consulted to play is MP3, MIDI, WMA, RealAudio, audio format to support decoding, and the opposing party can not support, selecting a side that can support is decoding method, apparatus.
Intelligent terminal was being noticed after the audio format of each self-supporting broadcasting and decoding mutually with WIFI sound equipment, intelligent terminal can be consulted mutually with WIFI sound equipment, and the audio decoder side of definite audio file to be played, concrete steps comprise: intelligent terminal is supported the audio format of decoding and the audio format of audio file to be played according to both sides, determines audio decoder side.When only having intelligent terminal to support the decoding of audio format of audio file to be played, the audio decoder side by intelligent terminal as described audio file to be played; When only having described WIFI sound equipment to support the decoding of audio format of audio file to be played, the audio decoder side by WIFI sound equipment as described audio file to be played; When intelligent terminal and described WIFI sound equipment are all supported the decoding of audio format of audio file to be played, by intelligent terminal according to system environments automatic decision or allow user select the audio decoder side of described audio file to be played.
Particularly, be generally recommended in decoding audio data on intelligent terminal, because WIFI bandwidth is all reasonable in most of family, after music player decoding, on WIFI network, directly transmitting audio data flows to WIFI sound equipment like this.If WIFI bandwidth is not ideal enough, it is very large that amount of audio data can become after decoding; Or the audio/video decoding module performance of WIFI sound equipment is superior, also can consider to decode on WIFI sound equipment.If only have intelligent terminal support, by intelligent terminal, decoded so, when the audio/video decoding module of the built-in correspondence of music player of intelligent terminal, just express support for decoding; If only have the support of WIFI sound equipment, by WIFI sound equipment, decoded so, when the audio/video decoding module of the built-in correspondence of WIFI sound equipment, just express support for decoding; And if WIFI sound equipment and intelligent terminal are all supported, intelligent terminal for example, according to system environments (WIFI bandwidth, system resource take) automatic decision or allow user select whose decoding.The music player of intelligent terminal self has accounted for how many internal memories by detecting speed uplink and downstream rate in LAN, can knowing, background process line has how many, current up packet sending speed to be how many; Or by user, on music player, selected is decoded or decoded by WIFI sound equipment by player itself.This intelligentized decoding negotiation mechanism makes the present invention more free and convenient in the decoding of voice data, can determine flexibly audio decoder side according to actual conditions, indirectly expanded the playing function of different voice datas on WIFI sound equipment, facilitate the access of various WIFI sound equipments and intelligent terminal, make WIFI sound equipment more intelligent.
Determined behind audio decoder side, by audio decoder side, audio file to be played has been decoded, and sent to WIFI sound equipment to play decoded audio data stream by audio decoder side.。
When intelligent terminal stops playing, the TCP closing between intelligent terminal and WIFI sound equipment connects, and WIFI sound equipment need not be closed the TCP monitoring Socket of self after playing voice data, enter monitoring client connection status, and continue periodically to broadcast WIFI sound equipment identification strings, IP address and tcp port to LAN, open the audio frequency access of next round.
Based on above-mentioned WIFI sound equipment and intelligent terminal, consult the method for decoding, the system that the present invention also provides a kind of WIFI sound equipment and intelligent terminal to consult decoding, as shown in Figure 3, described system comprises:
Further, as shown in Figure 4, described link block 10 specifically also comprises:
Connect and set up module 12, for intelligent terminal, receive described broadcast message, and identification information is wherein presented in player, by user, selected to determine; And to user, select definite WIFI sound equipment transmission TCP to connect by intelligent terminal, and at WIFI sound equipment, accept, after the TCP connection of intelligent terminal transmission, to set up communication connection with intelligent terminal.
And described announcement module 20 is supported the audio format of broadcasting and the audio format of the decoding of supporting specifically for intelligent terminal to described WIFI sound equipment transmission intelligent terminal; And described WIFI sound equipment sends and self supports the audio format of broadcasting and the audio format of the decoding of supporting to intelligent terminal.Detailed process is as described in said method, and this is no longer going to repeat them.
In sum, WIFI sound equipment provided by the invention and intelligent terminal are consulted the method and system of decoding, the decoding side that consults audio format and voice data by intelligent terminal and WIFI sound equipment, realize the interconnected access of WIFI sound equipment and the various intelligent terminals of each model of different manufacturers, and the application of WIFI sound equipment has been expanded in two-way choice decoding, make WIFI sound equipment more intelligent.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (9)
1. WIFI sound equipment and intelligent terminal are consulted a method for decoding, it is characterized in that, comprise step:
WIFI sound equipment establishes a communications link by broadcast mode and intelligent terminal, and mutually notices the audio format of supporting separately broadcasting;
Intelligent terminal and described WIFI sound equipment are consulted and definite audio decoder side mutually, and by the audio decoder side determining, audio file to be played on intelligent terminal are decoded, and by the audio data stream after WIFI sound equipment broadcast decoder.
2. WIFI sound equipment according to claim 1 and intelligent terminal are consulted the method for decoding, it is characterized in that, the step that described WIFI sound equipment establishes a communications link by broadcast mode and intelligent terminal specifically comprises:
WIFI sound equipment periodically includes the broadcast message of self identification information to the issue of WIFI LAN broadcast address;
Intelligent terminal receives described broadcast message, and identification information is wherein presented in player, by user, is selected to determine;
Intelligent terminal selects definite WIFI sound equipment to send TCP connection to user;
WIFI sound equipment is accepted the TCP connection that intelligent terminal sends, and sets up communication connection with intelligent terminal.
3. WIFI sound equipment according to claim 1 and intelligent terminal are consulted the method for decoding, it is characterized in that, described mutual notice supports the step of the audio format of broadcasting specifically also to comprise separately:
Intelligent terminal sends intelligent terminal to described WIFI sound equipment and supports the audio format of playing, and the audio format of the decoding of supporting;
Described WIFI sound equipment sends the audio format of self supporting broadcasting to intelligent terminal, and the audio format of the decoding of supporting.
4. according to the WIFI sound equipment described in claim 1 or 3 and intelligent terminal, consult the method for decoding, it is characterized in that, described intelligent terminal and described WIFI sound equipment mutually consult and the step of definite audio decoder side specifically comprises:
Intelligent terminal is supported the audio format of decoding and the audio format of audio file to be played according to both sides, determines audio decoder side;
When only having intelligent terminal to support the decoding of audio format of audio file to be played, the audio decoder side by intelligent terminal as described audio file to be played;
When only having described WIFI sound equipment to support the decoding of audio format of audio file to be played, the audio decoder side by WIFI sound equipment as described audio file to be played;
When intelligent terminal and described WIFI sound equipment are all supported the decoding of audio format of audio file to be played, by intelligent terminal according to system environments automatic decision or allow user select the audio decoder side of described audio file to be played.
5. WIFI sound equipment according to claim 1 and intelligent terminal are consulted the method for decoding, it is characterized in that, before WIFI sound equipment and intelligent terminal establish a communications link, WIFI sound equipment is set up two TCP and is monitored Socket, TCP Socket is for controlling the interactive information with intelligent terminal, another TCP Socket, for transmitting audio data, sets up a UDP broadcast Socket, for issuing broadcast message to WIFI LAN (Local Area Network) simultaneously.
6. WIFI sound equipment according to claim 2 and intelligent terminal are consulted the method for decoding, it is characterized in that, the identification information of described WIFI sound equipment comprises WIFI sound equipment identification strings, IP address and tcp port.
7. WIFI sound equipment and intelligent terminal are consulted a system for decoding, it is characterized in that, described system comprises:
Link block, establishes a communications link by broadcast mode for WIFI sound equipment and intelligent terminal;
Announcement module, notices for WIFI sound equipment and intelligent terminal the audio format of supporting separately broadcasting mutually;
Decoder module, mutually consults and definite audio decoder side for intelligent terminal and described WIFI sound equipment, and by the audio decoder side determining, audio file to be played on intelligent terminal is decoded, and by the audio data stream after WIFI sound equipment broadcast decoder.
8. WIFI sound equipment according to claim 7 and intelligent terminal are consulted the system of decoding, it is characterized in that, described link block specifically also comprises:
Broadcast module, periodically includes the broadcast message of self identification information for WIFI sound equipment to the issue of WIFI LAN broadcast address;
Connect and set up module, for intelligent terminal, receive described broadcast message, and identification information is wherein presented in player, by user, selected to determine; And to user, select definite WIFI sound equipment transmission TCP to connect by intelligent terminal, and at WIFI sound equipment, accept, after the TCP connection of intelligent terminal transmission, to set up communication connection with intelligent terminal.
9. WIFI sound equipment according to claim 7 and intelligent terminal are consulted the system of decoding, it is characterized in that, described announcement module sends intelligent terminal specifically for intelligent terminal to described WIFI sound equipment and supports the audio format of broadcasting and the audio format of the decoding of supporting; And described WIFI sound equipment sends and self supports the audio format of broadcasting and the audio format of the decoding of supporting to intelligent terminal.
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Application publication date: 20140129 |