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Implementation method and application of voice awakening module

A technology of voice wake-up and implementation method, applied in voice analysis, voice recognition, mechanical mode conversion and other directions, can solve problems such as changes, achieve the effect of better voice interaction, convenient code porting, and good promotion and application value

Active Publication Date: 2013-03-27
IFLYTEK SOUTH CHINA ARTIFICIAL INTELLIGENCE RES INST GUANGZHOU CO LTD
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Problems solved by technology

The flash involved in this invention stores all fixed data, and in the vehicle environment, due to the driving speed, road conditions, weather, whether the air conditioner is turned on and the windows are opened, the vehicle-mounted noise library such as engine noise and tire noise will change. Different music and different speakers will lead to changes in the voice library referred to, so this invention is only applicable to the voice wake-up function in a fixed scene

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  • Implementation method and application of voice awakening module
  • Implementation method and application of voice awakening module
  • Implementation method and application of voice awakening module

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Embodiment Construction

[0039] Such as figure 1As shown, the realization of the voice wake-up module of the present invention is realized by 3 steps of voice input 1, voice wake-up algorithm 2 and wake-up execution.

[0040] Voice wake-up algorithm 2 is mainly implemented by acoustic feature extraction 4, wake-up word detection 5, wake-up word confirmation 6, construction of wake-up word detection network 7, training acoustic model 8 and construction of wake-up word confirmation network 9. The specific implementation process is:

[0041] (1) Training the acoustic model 8: The training of the acoustic model is divided into two parts, which are the phoneme acoustic model and the waste model (ie Garbage model). The phoneme acoustic model adopts the traditional acoustic model training method in speech recognition, selects a suitable database, and uses the discriminative training criteria based on MLE (Maximum Likelihood Estimation) and MPE (Minimum Phone Error, minimum phoneme error) get. The Garbage m...

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Abstract

The invention discloses an implementation method and application of a voice awakening module. The implementation method comprises the following steps of: voice input (1), voice awakening algorithm (2) and awakening actuation (3), wherein the voice awakening algorithm (2) is implemented through the following main steps of: acoustic feature extraction (4), awakening word detection (5), awakening word confirmation (6), construction of an awakening word detection network (7), training of an acoustic model (8) and construction of an awakening word confirming network (9) and the like. The invention has the advantages that even under a noisy environment, no matter whether the music is played, the voice awakening function can be started by the voice awakening word, and the recognition awakening effect is good; and the implementation method can be planted onto an ARM or DSP universal process for operation and is applied in the fields related to vehicle mounting and household appliances.

Description

technical field [0001] The invention discloses an implementation method and application of a voice wake-up module, and specifically relates to a system that triggers the user to perform the next operation by speaking a predetermined voice wake-up word, and can be applied to fields such as vehicles and home appliances that need to realize voice wake-up. Background technique [0002] This invention relates to an invention patent that has been applied for publication, the publication number is: CN102645977A, and the application date is 2012.03.26. The inventors are Yin Jianhong, Wang Zhong, and Zhou Yanhuang. Methods", which is incorporated herein by reference. The realization principle of the vehicle-mounted voice wake-up of the invention is: store information such as a voice library, a vehicle-mounted noise library, and a voice engine in a pre-set flash memory, and the voice commands input through the microphone are carried out via the main controller MCU and the voice comman...

Claims

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Application Information

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IPC IPC(8): G06F3/01G06F3/16G10L15/22
Inventor 操文祥王海坤康怀茂钱勇谢信珍黄海兵
Owner IFLYTEK SOUTH CHINA ARTIFICIAL INTELLIGENCE RES INST GUANGZHOU CO LTD
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