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Speech enhancement method, speech enhancement device, smart speaker box, and smart television

A voice enhancement, smart speaker technology, used in TV, voice analysis, color TV, etc.

Active Publication Date: 2017-03-29
XIAN TCL SOFTWARE DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a voice enhancement method, which aims to solve the technical problem that when the existing smart speaker equipment supports voice recognition, it is necessary to connect a channel of audio from the circuit as a reference signal

Method used

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  • Speech enhancement method, speech enhancement device, smart speaker box, and smart television
  • Speech enhancement method, speech enhancement device, smart speaker box, and smart television
  • Speech enhancement method, speech enhancement device, smart speaker box, and smart television

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Embodiment Construction

[0037] It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0038] The invention provides a voice enhancement method.

[0039] Reference figure 1 , figure 1 It is a flowchart of an embodiment of a speech enhancement method of the present invention.

[0040] In this embodiment, the voice enhancement method is applied to a smart speaker, the smart speaker is provided with at least a pair of symmetrical speakers and a microphone array arranged in parallel with the sound outlet of the speaker, the voice enhancement method includes the following steps :

[0041] S10: Convert the original music and voice vocals picked up by the microphone array into multiple digital signals by ADC;

[0042] S20: Obtain a digital signal converted from the multiple digital signals by a conversion array;

[0043] S30: Acquire a reference signal for echo cancellation from the one channel of digital signal...

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Abstract

The invention provides a speech enhancement method, a speech enhancement device, a smart speaker box, and a smart television. The speech enhancement method comprises the following steps: a microphone array arranged on a smart speaker box picks up music original sound played by the speaker box and human sound produced by a person, and the music original sound and the human sound are converted by an ADC into multiple digital signals; then, an FPGA converts the multiple digital signals into one digital signal and sends the digital signal to a CPU, and the CPU acquires an echo-cancellation reference signal from the digital signal; and finally, based on the reference signal, a music original sound signal picked up by the microphone array is offset by the reference signal by use of an AEC algorithm, and human sound data is output. According to the invention, a signal is directly extracted from the microphone array as an echo-cancellation reference signal. There is no need to change the speaker circuit, and the integrity of the speaker is ensured. Speech recognition is accurate. The output audio signal is strong, and the power is high.

Description

Technical field [0001] The present invention relates to the technical field of smart TVs, in particular to a method and device for voice enhancement, smart speakers and smart TVs. Background technique [0002] In the current smart speaker system, when the speaker is playing music, the microphone will collect the played music. At this time, when someone speaks to the speaker, it will be mixed with the music sound, and the voice recognition cannot be recognized. The human voice collection needs to be processed by AEC, and the AEC algorithm requires that a channel of audio is specifically connected from the speaker circuit of the speaker as a reference signal. As a microphone array module, if the current smart speaker or device needs to support far-field recognition, it must be modified from the circuit, and the speaker output audio is connected as a reference signal. Summary of the invention [0003] The main purpose of the present invention is to provide a voice enhancement method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/0208H04N5/60H04R5/04
CPCG10L21/0208G10L2021/02082H04N5/60H04R5/04
Inventor 来意哲
Owner XIAN TCL SOFTWARE DEV
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