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Speech enhancement method, device, smart speaker, and smart TV

A technology for voice enhancement and smart speakers, applied in the field of devices and smart speakers, voice enhancement methods, and smart TVs

Active Publication Date: 2020-07-14
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, device, smart speaker, and smart TV
  • Speech enhancement method, device, smart speaker, and smart TV
  • Speech enhancement method, device, smart speaker, and smart TV

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Embodiment Construction

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

[0038] The invention provides a voice enhancement method.

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

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

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

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

[0043] S30: Obtain a reference signal for echo cancellation fro...

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Abstract

The invention provides a voice enhancement method, device, smart speaker, and smart TV. In the voice enhancement method, the microphone array arranged on the smart speaker first picks up the original sound of music played by the speaker and the human voice produced by people talking, and converts it into multiple voices through an ADC. Then the FPGA converts the multi-channel digital signal into a digital signal, and sends it to the CPU, and the CPU obtains a reference signal for echo cancellation from the digital signal, and finally uses the AEC algorithm based on the reference signal. The reference signal cancels the original music signal picked up by the microphone array, and outputs voice data. The invention directly extracts the signal from the microphone array as the reference signal for echo cancellation without modifying the circuit of the sound box, ensures the integrity of the sound box, accurate speech recognition, strong output audio signal and high power.

Description

technical field [0001] The invention relates to the technical field of smart TVs, in particular to a voice enhancement method and device, a smart speaker, and a smart TV. 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 will not be able to recognize it. Human voice collection needs to be processed by AEC, and the AEC algorithm requires that a channel of audio be 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 to connect the speaker to output audio as a reference signal. Contents of the invention [0003] The main purpose of the present invention is to provide a voice enhancement method, which a...

Claims

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Application Information

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Patent Type & Authority Patents(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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