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Speech recognition method and system capable of filtering loudspeaker noises

A speech recognition and loudspeaker technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problems of reduced recognition efficiency and introduction of loudspeakers, etc., to achieve efficient recognition and reduce environmental noise

Active Publication Date: 2016-11-09
HUIZHOU TCL MOBILE COMM CO LTD
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Problems solved by technology

[0005] In view of the shortcomings of the prior art above, the purpose of the present invention is to provide a speech recognition method and system that can filter speaker noise, aiming at solving the problem of the user speaking into the microphone when the smart terminal is playing music in the prior art. The sound of music that will be brought into the speaker will cause a significant drop in recognition efficiency

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  • Speech recognition method and system capable of filtering loudspeaker noises

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[0047] The present invention provides a speech recognition method and system capable of filtering loudspeaker noise. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] Please refer to figure 1 , which is a flow chart of a preferred embodiment of the speech recognition method capable of filtering speaker noise in the present invention. Such as figure 1 As shown, the speech recognition method that can filter loudspeaker noise comprises the following steps:

[0049] Step S100, when it is detected that the user's voice is recorded through the microphone and the speaker is playing the voice file stored in the smart terminal, acquire the synthesize...

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Abstract

The invention provides a speech recognition method and system capable of filtering loudspeaker noises. The method comprises: when detecting that user voice is recorded through a microphone, and a loudspeaker is playing a voice file stored in an intelligent terminal, obtaining the composite tone of the user voice and loudspeaker sound; according to the first frequency and first amplitude of the loudspeaker sound sampled by the intelligent terminal, and the composite tone frequency and composite tone amplitude of the composite tone, obtaining the second frequency and second amplitude of the user voice; filtering the timbre of the loudspeaker sound in the composite tone, and recovering with the second frequency and second amplitude of the user voice to obtain the user voice; and according to a voice database, converting the user voice into a text. According to the invention, when a user employs speech recognition software and a loudspeaker plays external sound, the processor in a terminal performs analysis according to sound composition, filters loudspeaker sound, reduces environmental noises in user voice received by a background, and realizes voice high efficiency identification.

Description

technical field [0001] The invention relates to the technical field of voice recognition, in particular to a voice recognition method capable of filtering loudspeaker noise and a system thereof. Background technique [0002] Speech recognition technology is gradually becoming the key technology of human-machine interface in information technology. The combination of speech recognition technology and speech synthesis technology enables people to get rid of the keyboard and operate through voice commands. The rise of the mobile Internet is becoming the most important application environment for voice recognition, such as Apple's Siri, domestic Xunfei software, etc., which can efficiently recognize the user's voice. At present, similar software can be installed on smart terminals, which can convert the user's voice into text, match the voice with the background database, generate text display, and even directly control it. In order to recognize speech efficiently, it is necess...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/0232G10L21/0316G10L15/22
CPCG10L15/22G10L21/0232G10L21/0316
Inventor 齐东京方国宽
Owner HUIZHOU TCL MOBILE COMM CO LTD
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