CN207603881U - A kind of intelligent sound wireless sound box - Google Patents

A kind of intelligent sound wireless sound box Download PDF

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Publication number
CN207603881U
CN207603881U CN201721673539.9U CN201721673539U CN207603881U CN 207603881 U CN207603881 U CN 207603881U CN 201721673539 U CN201721673539 U CN 201721673539U CN 207603881 U CN207603881 U CN 207603881U
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China
Prior art keywords
transmitting device
voice
microphone array
encoder
intelligent sound
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CN201721673539.9U
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Chinese (zh)
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陶永耀
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Actions Technology Co Ltd
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Juxin (zhuhai) Science & Technology Co Ltd
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Abstract

The utility model embodiment proposes a kind of intelligent sound wireless sound box, including playback reproducer, the first transmitting device and far field voice collecting unit;The far field voice collecting unit includes microphone array, voice pretreatment unit;The playback reproducer includes loudspeaker and decoder, and the decoder is connected with first transmitting device, is played out for the loudspeaker to be decoded and be transferred to music;The voice pretreatment unit is connected with first transmitting device;The voice pretreatment unit includes encoder, echo cancelling device and denoising device, the microphone array is connected with the encoder, for acquiring audio signal transmission after audio to the encoder, the encoder is used to carry out coded transmission to first transmitting device to the audio signal received.The cost of Baffle Box of Bluetooth can be effectively reduced, and can realize intelligent sound function.

Description

A kind of intelligent sound wireless sound box
Technical field
The utility model is related to multimedia technology more particularly to a kind of intelligent sound wireless sound boxes.
Background technology
Baffle Box of Bluetooth is a kind of current popular amusement equipment, can carry store function, realizes music, It can be attached by bluetooth and External memory equipment, play the music on External memory equipment, such as Baffle Box of Bluetooth and hand After machine is by bluetooth connection, the music on mobile phone can be being played using Baffle Box of Bluetooth.But this connection plays at present, all must It must be controlled by mobile phone, it is convenient not enough for user's operation.Have at present and far field language is carried on a kind of Baffle Box of Bluetooth Sound identifies and processing function, but higher to the performance requirement of speech processor with far field speech processing power, this remote The module cost of field speech recognition and processing is higher, and Baffle Box of Bluetooth holistic cost is resulted in rise in this way.
Utility model content
Based on problem above, the utility model embodiment proposes a kind of intelligent sound wireless sound box, can effectively reduce indigo plant The cost of tooth speaker, and can realize intelligent sound function.
The utility model is realized in this way a kind of intelligent sound wireless sound box, including playback reproducer, the first transmitting device With far field voice collecting unit;The far field voice collecting unit includes microphone array, voice pretreatment unit;The playback Device includes loudspeaker and decoder, and the decoder is connected with first transmitting device, for being decoded and passing to music It is defeated to be played out to the loudspeaker;The voice pretreatment unit is connected with first transmitting device;The voice pretreatment Device includes encoder, echo cancelling device and denoising device, and the microphone array is connected with the encoder, for adopting By audio signal transmission to the encoder after collection audio, the encoder is used to compile the audio signal received First transmitting device is transferred to after code;The echo cancelling device be connected to the denoising device and the encoder it Between, for carrying out echo cancellation process to the collected audio signal;The denoising device is connected to the microphone array Between row and the echo cancelling device, for carrying out noise reduction process to the collected audio signal.
Further, intelligent sound wireless sound box further includes a portable terminal, and the portable terminal includes second and passes Defeated device and speech processor, second transmitting device are used to carry out data transmission with the first transmitting device;At the voice Device is managed to be used to carry out voice recognition processing to the audio signal after encoding.
Further, the microphone array is classified as simulation microphone array or digital microphone array, the microphone array Row include 1~8 microphone.
Further, first transmitting device and second transmitting device are radio transmitting device, the wireless biography Defeated device is bluetooth or WLAN.
Further, further comprise voice Cloud Server, connect and carry out data transmission with the portable terminal.
Further, the voice pretreatment unit further comprises Rouser, is connect with the microphone array, uses In the wake-up encoder and the first transmitting device.
Further, the voice pretreatment unit further comprises beam-forming device, connects with the microphone array It connects, for strengthening the voice collecting of specific direction.
Further, the portable terminal is mobile phone or tablet computer.
Using above-mentioned technical proposal, have the advantages that:It proposes that one kind realizes intelligent sound on Baffle Box of Bluetooth, leads to Baffle Box of Bluetooth and portable terminal collaborative process are crossed, realizes the function of intelligent sound box.A function as existing Baffle Box of Bluetooth Upgrading can make portable terminal realize the function of intelligent sound interaction under the Baffle Box of Bluetooth for adding a lower cost.
Description of the drawings
Fig. 1 is the structure diagram according to the utility model one embodiment.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to The range of the utility model protection.
With reference to Fig. 1, the utility model embodiment proposes a kind of intelligent sound wireless sound box 1, including playback reproducer 102, the One transmitting device 103 and far field voice collecting unit 101;The far field voice collecting unit 101 include microphone array 1011, Voice pretreatment unit 1012;The playback reproducer 102 includes loudspeaker 1022 and decoder 1021, the decoder 1021 and institute It states the first transmitting device 103 to be connected, be played out for the loudspeaker 1022 to be decoded and be transferred to music;The voice Pretreatment unit 1012 is connected with first transmitting device 103;The voice pretreatment unit 1012 includes encoder 10123rd, echo cancelling device 10122 and denoising device 10121, the microphone array 1011 are connected with the encoder 1012 It connects, for acquiring audio signal transmission after audio to the encoder 10123, the encoder 10123 is used for receiving The audio signal carry out coded transmission give first transmitting device 1013;The echo cancelling device 10122 connects Between the denoising device 10121 and the encoder 10123, disappear for carrying out echo to the collected audio signal Except processing;The denoising device 10121 is connected between the microphone array 1011 and the echo cancelling device 10122, For carrying out noise reduction process to the collected audio signal.
Intelligent sound wireless sound box further includes a portable terminal 2, and the portable terminal 2 includes the second transmitting device 201 and speech processor 202, second transmitting device 201 with the first transmitting device 103 for carrying out data transmission;It is described Speech processor 202 is used to carry out voice recognition processing to the audio signal after encoding.
Above-mentioned portable terminal is mobile phone or tablet computer or other intelligent portable mobile devices, the microphone array For simulation microphone array or digital microphone array, the microphone array includes 1~8 microphone, one under usual state As 2 microphones can be used to form microphone arrays, in the case that it is certain it is quiet only use 1 microphone can also.First Transmitting device and second transmitting device are radio transmitting device, and the radio transmitting device is bluetooth or WLAN.
Below by taking mobile phone and Bluetooth wireless transmission as an example, said program is described in detail, the music in mobile phone is led to Bluetooth transmission is crossed to play out by being output to loudspeaker after decoding to Baffle Box of Bluetooth;Far field voice collecting unit identification in speaker To after voice, mobile phone is sent to by bluetooth after being pre-processed, is handled by the speech processor of mobile phone, and feedback control Signal can be the processor of mobile phone in itself to speaker, the here speech processor in mobile phone, due to the processing of itself in mobile phone Utensil has the speech processing power compared with epistasis energy, and such processing method can't increase any cost.
Embodiment provided by the utility model still further comprises voice Cloud Server, is connect with the portable terminal Carry out data transmission, which can handle more more complicated and advanced voice messaging.
Voice server further comprises Rouser, is connect with the microphone array, for waking up the encoder With the first transmitting device.The far field voice collecting unit or voice server further comprise beam-forming device, and described Microphone array connects, for strengthening the voice collecting of specific direction.Above-mentioned Rouser is used for the language of microphone array acquisition Sound signal according to the feature of energy or voice (zero-crossing examination, spectrum analysis etc.), determines to open the algorithm that voice wakes up, right Than the voice and the maximum likelihood algorithm of high-volume training sequence before of input, determine whether phonetic entry is to wake up word, if It is to open subsequent processing.
Beam-forming device:For the time delay and phase of the voice data to each Mike when having more Mike's phonetic entries Difference, to judge input direction of the voice signal with respect to microphone array, and according to this information, determine the parameter of denoising device, strengthen The voice collecting of specific direction.
The denoising device of the utility model embodiment is used to carry out noise reduction process to the collected audio signal.It is described Far field voice collecting unit further comprises echo cancelling device, is connected between the denoising device and the encoder, uses In to the collected audio signal progress echo cancellation process.Denoising device, according to the noise reduction parameters of beamforming algorithm, Or scheduled noise reduction directional diagram curve, the signal on different directions is done and strengthens or weakens, the letter on prominent the last time direction Number intensity.Simultaneously according to the difference of the frequency spectrum difference and relativity of time domain of voice and ambient sound (periodic noise, music), to letter The processing of frequency domain or time domain number is done, voice from background sound or noise is extracted and reinforcement comes out.Echo cancelling device:When return In the presence of amplification module, the data come are decoded from playback, in addition the processing of predetermined or prediction transmission function, in mic acquisitions The reflective portion for the sound for releasing loudspeaker in data eliminates, and obtains anechoic clean voice.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc. With replacement;And these modifications or replacement, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (8)

1. a kind of intelligent sound wireless sound box, which is characterized in that including playback reproducer, the first transmitting device and far field voice collecting Unit;The far field voice collecting unit includes microphone array, voice pretreatment unit;The playback reproducer include loudspeaker and Decoder, the decoder are connected with first transmitting device, for music is decoded and is transferred to the loudspeaker into Row plays;The voice pretreatment unit is connected with first transmitting device;The voice pretreatment unit include encoder, Echo cancelling device and denoising device, the microphone array are connected with the encoder, for acquiring audio after audio Signal transmission gives the encoder, and the encoder is used to carry out coded transmission to described to the audio signal received First transmitting device;
The echo cancelling device is connected between the denoising device and the encoder, for the collected audio Signal carries out echo cancellation process;The denoising device is connected between the microphone array and the echo cancelling device, For carrying out noise reduction process to the collected audio signal.
2. intelligent sound wireless sound box according to claim 1, which is characterized in that further include a portable terminal, it is described just It takes formula terminal and includes the second transmitting device and speech processor, second transmitting device is used for the first transmitting device into line number According to transmission;The speech processor is used to carry out voice recognition processing to the audio signal after encoding.
3. intelligent sound wireless sound box according to claim 2, the microphone array is classified as simulation microphone array or number Word microphone array, the microphone array include 1~8 microphone.
4. intelligent sound wireless sound box according to claim 3, first transmitting device and second transmitting device For radio transmitting device, the radio transmitting device is bluetooth or WLAN.
It is and described portable 5. intelligent sound wireless sound box according to claim 4, further comprises voice Cloud Server Terminal connection carries out data transmission.
6. intelligent sound wireless sound box according to claim 4, the voice pretreatment unit further comprises waking up dress It puts, is connect with the microphone array, for waking up the encoder and the first transmitting device.
7. intelligent sound wireless sound box according to claim 4, the voice pretreatment unit further comprises wave beam shape It into device, is connect with the microphone array, for strengthening the voice collecting of specific direction.
8. intelligent sound wireless sound box according to claim 2, the portable terminal is mobile phone or tablet computer.
CN201721673539.9U 2017-12-05 2017-12-05 A kind of intelligent sound wireless sound box Active CN207603881U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110166899A (en) * 2019-06-06 2019-08-23 惠州市璧玉音响有限公司 A kind of 5.1 sound channel wireless sound system of high-fidelity
CN110430508A (en) * 2019-07-12 2019-11-08 恒大智慧科技有限公司 Microphone denoising processing method and computer storage medium
CN111683322A (en) * 2020-06-09 2020-09-18 歌尔科技有限公司 Feedforward noise reduction earphone, noise reduction method, system, equipment and computer storage medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110166899A (en) * 2019-06-06 2019-08-23 惠州市璧玉音响有限公司 A kind of 5.1 sound channel wireless sound system of high-fidelity
CN110430508A (en) * 2019-07-12 2019-11-08 恒大智慧科技有限公司 Microphone denoising processing method and computer storage medium
CN111683322A (en) * 2020-06-09 2020-09-18 歌尔科技有限公司 Feedforward noise reduction earphone, noise reduction method, system, equipment and computer storage medium

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Address after: Zone C, floor 1, plant 1, No.1, Keji 4th Road, Tangjiawan Town, high tech Zone, Zhuhai City, Guangdong Province 519085

Patentee after: ACTIONS TECHNOLOGY Co.,Ltd.

Address before: 519085 High-tech Zone, Tangjiawan Town, Zhuhai City, Guangdong Province

Patentee before: ACTIONS (ZHUHAI) TECHNOLOGY Co.,Ltd.