Voice wake-up method and device based on artificial intelligence, and computer equipment

A voice wake-up and artificial intelligence technology, applied in computing, voice analysis, voice recognition, etc., can solve problems such as inability to adjust and learn wake-up words, and a large number of model parameters, so as to improve the effect, reduce the amount of calculation, and achieve good discrimination. Effect

Active Publication Date: 2017-09-29
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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Problems solved by technology

[0004] However, the voice wake-up technology of the above keyword recognition method has a large amount of model parameters, and for different wake-up words, the design of the filler (filler) must be changed, and the corresponding decoding parameters and detected tricks must be adjusted. It is diff

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  • Voice wake-up method and device based on artificial intelligence, and computer equipment
  • Voice wake-up method and device based on artificial intelligence, and computer equipment
  • Voice wake-up method and device based on artificial intelligence, and computer equipment

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Embodiment Construction

[0026] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

[0027] Artificial Intelligence (hereinafter referred to as AI) is a new technical science that studies and develops theories, methods, technologies and application systems for simulating, extending and expanding human intelligence. Artificial intelligence is a branch of computer science that attempts to understand the essence of intelligence and produce a n...

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Abstract

The invention provides a voice wake-up method and device based on artificial intelligence, and computer equipment. The method comprises steps that windowing enframing operation of online recorded voice is carried out to acquire at least one voice frame; characteristic extraction of the voice frame is carried out to acquire voice characteristics; a voice wake-up model based on the convolutional neural network is utilized to carry out calculation of the static voice characteristics contained in the voice frame, and posterior probabilities of the static voice characteristics contained in the voice frame corresponding to a non-wake-up word class and a wake-up word class are acquired; if the posterior probability of the static voice characteristics contained in the voice frame corresponding to the wake-up word class is greater than a pre-determined threshold, the online recorded voice is determined to contain wake-up words. The method is advantaged in that parameter quantities of the voice wake-up model based on the convolutional neural model can be effectively reduced, so the operand reduction effect is realized, and the voice wake-up effect can be improved.

Description

technical field [0001] The present application relates to the technical field of voice recognition, in particular to an artificial intelligence-based voice wake-up method, device and computer equipment. Background technique [0002] In smart home or voice interaction systems, voice wake-up (wakeword) technology is widely used. However, the effect and calculation of voice wake-up greatly reduce the actual application experience of voice wake-up, and increase the requirements of voice wake-up on device hardware. For example, if the false wake-up rate of voice wake-up is greater than a threshold in the application, such as 1 / 3 Such a frequency of false wake-up triggers may arouse user disgust; on the other hand, if the computing power of voice wake-up exceeds the computing power of some low-end chips, it will restrict the use of voice wake-up technology in many products. [0003] In the existing related technologies, the technology used for voice wake-up is the keyword-spottin...

Claims

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Application Information

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IPC IPC(8): G10L15/22G10L25/30G10L25/45G06N3/02G06F9/44G06F3/16
CPCG06F3/167G06F9/4418G06N3/02G10L15/22G10L25/30G10L25/45G10L15/16G10L15/02G10L2015/088G10L15/063G06N3/08G06N3/045G10L15/14G06N3/04
Inventor 孙珏陈明明李先刚
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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