CN204887385U - Support intelligent stereo set of WIFI audio module - Google Patents

Support intelligent stereo set of WIFI audio module Download PDF

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Publication number
CN204887385U
CN204887385U CN201520441712.7U CN201520441712U CN204887385U CN 204887385 U CN204887385 U CN 204887385U CN 201520441712 U CN201520441712 U CN 201520441712U CN 204887385 U CN204887385 U CN 204887385U
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China
Prior art keywords
wifiaudio
module
audio
main control
power amplifier
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Active
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CN201520441712.7U
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Chinese (zh)
Inventor
程健
张添新
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Shenzhen Oriental Zhitong Technology Co Ltd
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Shenzhen Oriental Zhitong Technology Co Ltd
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Priority to CN201520441712.7U priority Critical patent/CN204887385U/en
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Abstract

The utility model discloses a support intelligent stereo set of WIFI audio module, main control chip, audio frequency switch, WIFI audio module and the digital amplifirer of this intelligence stereo set in placing the stereo set in, main control chip passes through the audio frequency switch and is connected with digital amplifirer electricity, the input wireless connection of mobile terminal and WIFI audio module, and the output of WIFI audio module passes through the audio frequency switch and is connected with the input electricity of digital amplifirer, and just the output of digital amplifirer is connected with loudspeaker, decode behind the voice data that WIFIAudio module receive mobile terminals sent to send for the audio frequency switch after obtaining digital audio signal, the audio frequency switch sends digital audio signal for digital amplifirer, and digital amplifirer carries on carrying out the sound reproduction through loudspeaker after audio signal handles. The utility model discloses make this stereo set to have realized routing function, the user can broadcast through the direct propelling movement of wireless network the music on the mobile terminal such as cell -phone, panel computer to intelligent stereo set.

Description

Support the intelligent sound of WIFI Audio module
Technical field
The utility model relates to sound technique field, particularly relates to a kind of intelligent sound supporting WIFIAudio module.
Background technology
Replace in the mighty torrent of traditional sound equipment gradually at intelligent sound, people are also improving constantly for the requirement of intelligent sound.Science and technology is in development, and the form of daily household is in change, and intelligent sound also needs constantly to expand New function, could meet new demand, incorporates better in this ecosphere of intelligent domestic.But existing acoustic function is more single, by first just normal play being carried out by music download to sound equipment, immediately cannot can only at once play the music oneself wanted.Therefore existing sound equipment still cannot meet the demand in market.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides a kind of structure intelligent sound that is simple, the easily support WIFIAudio module of manipulation and diverse in function.
For achieving the above object, the utility model provides a kind of intelligent sound supporting WIFIAudio module, comprises the main control chip be placed in sound equipment, audio switch, WIFIAudio module and digital power amplifier device; Described main control chip is electrically connected with digital power amplifier device by audio switch; Mobile terminal is connected with the input wireless telecommunications of WIFIAudio module, and the output of described WIFIAudio module is electrically connected by the input of audio switch with digital power amplifier device, and the output of described digital power amplifier device is connected with loudspeaker; Decode after the voice data that WIFIAudio module mobile terminal receive sends, and send to audio switch after obtaining digital audio and video signals, digital audio and video signals is sent to digital power amplifier device by described audio switch, and described digital power amplifier device carries out playback by loudspeaker after carrying out Audio Signal Processing.
Wherein, this sound equipment also comprises the externally connected with display screen for showing audio/video information, and described main control chip is provided with HDMI, and described externally connected with display screen accesses main control chip by HDMI.
Wherein, this sound equipment also comprises microphone, and described digital power amplifier device is provided with SDI interface, form the data channel of microphone and digital power amplifier device, and microphone carries out music after the SDI interface of described microphone access digital power amplifier device.
Wherein, audio switch is provided with two I2S interfaces, form the data channel of WIFIAudio module and audio switch after output access the one I2S interface of described WIFIAudio module, after I2S interface access the 2nd I2S interface on described main control chip, form the data channel of main control chip and audio switch.
Wherein, form the control channel of main control chip and audio switch after the I2C interface of described main control chip by I2C interface accessing to audio switch, after the I2C interface of described main control chip also by I2C interface access digital power amplifier device, form the control channel of main control chip and digital power amplifier device.
Wherein, be connected by the wireless telecommunications of DLNA or Airplay agreement between mobile terminal with WIFIAudio module.
The beneficial effects of the utility model are: compared with prior art, the intelligent sound of the support WIFIAudio module that the utility model provides, WIFIAudio module is set up in sound equipment, by mobile terminal to WIFIAudio module audio data, decode after WIFIAudio module audio reception data, and send to audio switch after obtaining digital audio and video signals, digital audio and video signals is sent to digital power amplifier device by audio switch, and described digital power amplifier device carries out playback by loudspeaker after carrying out Audio Signal Processing; The improvement of this structure, this sound equipment is made to achieve routing function, music on the mobile terminal such as mobile phone, panel computer can be pushed directly on intelligent sound by wireless network and play by user, meet the quality requirements to sound, and user can play immediately at once, reach effect easy to operate and easy to use.
Accompanying drawing explanation
Fig. 1 is the working envelope figure of the intelligent sound of support WIFIAudio module of the present utility model.
Main element symbol description is as follows:
10, main control chip 11, audio switch
12, WIFIAudio module 13, digital power amplifier device
14, loudspeaker 15, externally connected with display screen
16, microphone 17, mobile terminal
18, data channel 19, control channel.
Embodiment
In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, the intelligent sound of support WIFIAudio module of the present utility model, comprise the main control chip 10 be placed in sound equipment, audio switch 11, WIFIAudio module 12 and digital power amplifier device 13; Main control chip 10 is electrically connected with digital power amplifier device 13 by audio switch 11; Mobile terminal 17 is connected with the input wireless telecommunications of WIFIAudio module 12, and the output of WIFIAudio module 12 is electrically connected with the input of digital power amplifier device 13 by audio switch 11, and the output of digital power amplifier device 13 is connected with loudspeaker 14; Decode after the voice data that WIFIAudio module 12 mobile terminal receive 17 sends, and send to audio switch 11 after obtaining digital audio and video signals, digital audio and video signals is sent to digital power amplifier device 13 by audio switch 11, carries out playback after digital power amplifier device 13 carries out Audio Signal Processing by loudspeaker 14.This sound equipment has two kinds of broadcast modes, if when user is without the need to pushing music by mobile terminal, has been stored in music on main control chip before what digital power amplifier device 13 was play is; If need to play the music on mobile terminal, then direct music sound equipment and mobile terminal being carried out connecting afterwards, is pushed directly on intelligent sound by wireless network and plays.
Compared to the situation of prior art, the intelligent sound of the support WIFIAudio module that the utility model provides, WIFIAudio module 12 is set up in sound equipment, by mobile terminal 17 to WIFIAudio module 12 voice data, decode after WIFIAudio module 12 audio reception data, and send to audio switch 11 after obtaining digital audio and video signals, digital audio and video signals is sent to digital power amplifier device by audio switch 11, carries out playback after described digital power amplifier device 13 carries out Audio Signal Processing by loudspeaker 14; The improvement of this structure, this sound equipment is made to achieve routing function, music on the mobile terminal such as mobile phone, panel computer can be pushed directly on intelligent sound by wireless network and play by user, meet the quality requirements to sound, and user can play immediately at once, reach effect easy to operate and easy to use.
In the present embodiment, this sound equipment also comprises the externally connected with display screen 15 for showing audio/video information, and main control chip 10 is provided with HDMI, and externally connected with display screen 15 is by HDMI access main control chip 10.User can pass through HDMI externally connected with display screen 15, and audio/video information to be sent on externally connected with display screen by HDMI and to show by main control chip, is shown, expand intelligent sound display interface by externally connected with display screen.
In the present embodiment, this sound equipment also comprises microphone 16, and digital power amplifier device 13 is provided with SDI interface, and microphone 16 forms the data channel of microphone 16 and digital power amplifier device 13 after accessing the SDI interface of digital power amplifier device 13, and microphone 16 carries out music.By microphone or loudspeaker, music is play in this structure, can also be adopt other modes to play music, if change player types, all belong to the simple deformation to this case or conversion, fall in the protection range of this case.
In the present embodiment, audio switch 11 is provided with two I2S interfaces, form WIFIAudio module 12 and the data channel of audio switch 11 after output access the one I2S interface of WIFIAudio module 12, after I2S interface access the 2nd I2S interface on main control chip 10, form the data channel 18 of main control chip 10 and audio switch 11.Form main control chip 10 and the control channel 19 of audio switch 11 after the I2C interface of main control chip 10 by I2C interface accessing to audio switch 11, after the I2C interface of main control chip 10 also by I2C interface access digital power amplifier device 13, form the control channel 19 of main control chip 10 and digital power amplifier device 13.This data channel refers to the transmission channel of data message between two parts, and control channel refers to that the work of digital power amplifier device 13 and audio switch 11 is controlled by main control chip.
In the present embodiment, be connected by the wireless telecommunications of DLNA or Airplay agreement between mobile terminal 17 with WIFIAudio module 12.Certainly, can also be connected by other radio connection.This main control chip 10 is also provided with the multiple USB interface, the SDCard interface for slotting SD card that carry out docking with the USB plug of external equipment.Certainly, be not limited to above-mentioned interface, if the change of docking port type, increase or minimizing, all fall in the protection range of this case.
The intelligent sound of the support WIFIAudio module that the utility model provides, its operation principle is as follows: WIFIAudio module receives the voice data passed over by DLNA or Airplay agreement, is then sent by decoded digital audio and video signals and is given to audio switch 11; The digital audio and video signals that WIFIAudio module sends by routing, is passed to digital power amplifier device by WIFIAudio module by audio switch 11; After digital power amplifier device carries out Audio Signal Processing, carry out playback by loudspeaker.
The intelligent sound of the support WIFIAudio module that the utility model provides, exactly in order to meet people for the new demand enjoying music.Under daily life, mobile phone, panel computer etc. become people and to live requisite instrument.See video, listen to the music, online etc. operates and can complete on mobile phone.In many situations, people just can be completed by mobile phone and manipulate ambient intelligence household.In order to meet this demand, intelligent sound must support this WIFIAudio module, by this WIFIAudio module, the music on mobile phone can be pushed directly on intelligent sound by wireless network and play by user, meets the quality requirements to sound.
It is the intelligent sound series products realizing DLNA and Airplay function by expansion module that the technical scheme of this case is applicable to all; if all belong to simple deformation to this case or conversion to comprising the model change of WIFIAudio module, the model change of digital power amplifier module etc., fall in the protection range of this case.
Below the definition about above-mentioned several interface:
I2C: be (Inter-IntegratedCircuit) bus is the twin wire universal serial bus developed by PHILIPS company, for connecting microcontroller and ancillary equipment thereof.It is a kind of bus standard that microelectronics Control on Communication field extensively adopts.It is a kind of special shape of synchronous communication, has interface line few, and control mode is simple, and device package form is little, and traffic rate is advantages of higher comparatively.
I2S:I2S (Inter-ICSound) bus is PHILIPS Co. is a kind of bus standard that the audio data transmission between digital audio-frequency apparatus is formulated, this bus specializes in the transfer of data between audio frequency apparatus, is widely used in various multimedia system.
SDI:SerialDigitalInterface, a standard of Chinese to be serial digital interface be transmission digital video on coaxial line.
HDMI:HighDefinitionMultimediaInterface, Chinese is HDMI (High Definition Multimedia Interface), it is a kind of digitized video/audio interface technology, it is the tailored version digital interface of applicable image transmission, it can transmit audio frequency and signal of video signal simultaneously, and the maximum data transmission speed is 2.25GB/s.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.

Claims (6)

1. support an intelligent sound for WIFIAudio module, it is characterized in that, comprise the main control chip be placed in sound equipment, audio switch, WIFIAudio module and digital power amplifier device; Described main control chip is electrically connected with digital power amplifier device by audio switch; Mobile terminal is connected with the input wireless telecommunications of WIFIAudio module, and the output of described WIFIAudio module is electrically connected by the input of audio switch with digital power amplifier device, and the output of described digital power amplifier device is connected with loudspeaker; Decode after the voice data that WIFIAudio module mobile terminal receive sends, and send to audio switch after obtaining digital audio and video signals, digital audio and video signals is sent to digital power amplifier device by described audio switch, and described digital power amplifier device carries out playback by loudspeaker after carrying out Audio Signal Processing.
2. the intelligent sound of support WIFIAudio module according to claim 1, it is characterized in that, this sound equipment also comprises the externally connected with display screen for showing audio/video information, and described main control chip is provided with HDMI, and described externally connected with display screen accesses main control chip by HDMI.
3. the intelligent sound of support WIFIAudio module according to claim 1, it is characterized in that, this sound equipment also comprises microphone, described digital power amplifier device is provided with SDI interface, form the data channel of microphone and digital power amplifier device after the SDI interface of described microphone access digital power amplifier device, and microphone carries out music.
4. the intelligent sound of support WIFIAudio module according to claim 1, it is characterized in that, audio switch is provided with two I2S interfaces, form the data channel of WIFIAudio module and audio switch after output access the one I2S interface of described WIFIAudio module, after I2S interface access the 2nd I2S interface on described main control chip, form the data channel of main control chip and audio switch.
5. the intelligent sound of support WIFIAudio module according to claim 1, it is characterized in that, form the control channel of main control chip and audio switch after the I2C interface of described main control chip by I2C interface accessing to audio switch, after the I2C interface of described main control chip also by I2C interface access digital power amplifier device, form the control channel of main control chip and digital power amplifier device.
6. the intelligent sound of support WIFIAudio module according to claim 1, be is characterized in that, be connected between mobile terminal with WIFIAudio module by the wireless telecommunications of DLNA or Airplay agreement.
CN201520441712.7U 2015-06-25 2015-06-25 Support intelligent stereo set of WIFI audio module Active CN204887385U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941648A (en) * 2017-05-03 2017-07-11 广州市花都区国光音频科技中心(普通合伙) The multi-functional intelligent sound system of one kind set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941648A (en) * 2017-05-03 2017-07-11 广州市花都区国光音频科技中心(普通合伙) The multi-functional intelligent sound system of one kind set

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