Improved decoding network and command word identification method and device
A technology for decoding network and command words, applied in speech recognition, speech analysis, comprehensive factory control, etc., can solve problems such as delay in speech recognition schemes, and achieve the effect of reducing delay and reducing delay
Active Publication Date: 2020-05-19
AISPEECH CO LTD
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Problems solved by technology
[0003] In the process of implementing this application, the inventor found that the speech recognition solution has a significant delay between the user finishing command words and the device responding
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[0059] As an implementation manner, the above-mentioned electronic equipment is applied to a command word recognition device, including:
[0060] at least one processor; and, a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can:
[0061] In response to detecting human voices in the input audio, the audio is sent to an improved decoding network for decoding, wherein the improved decoding network is a decoding network generated using command words, and the improved decoding network is decoding Throw said integration output on completion;
[0062] Obtaining the integrated output and calculating the score of the integrated output, and judging whether the score is greater than a preset threshold;
[0063] If the score is greater than the preset threshold, the integrated output is output ...
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The invention discloses an improved decoding network, a command word identification method and a command word identification device. The command word identification method comprises the steps: in response to detection of the human voice in input audio, sending the audio to an improved decoding network that is a decoding network generated through command words and throws out integrated output after decoding is completed, and carrying out decoding; acquiring the integrated output, calculating the score of the integrated output, and judging whether the score is greater than a preset threshold value or not; and if so, outputting the integrated output as a command word. According to the scheme provided by the method and the device, whether the voice is ended or not does not need to be judged by virtue of the VAD, so that the delay caused by observing the audio for a period of time by the VAD can be reduced, the result can be quickly output, and the delay is reduced.
Description
technical field [0001] The invention belongs to the technical field of speech recognition, and in particular relates to an improved decoding network, a command word recognition method and a device. Background technique [0002] In related technologies, command word recognition currently on the market is based on VAD (Voice Activity Detection, voice activity detection) + grammar network-based speech recognition solutions. In this solution, when the audio input comes in, it is judged by VAD whether there is a speaking sound. If so, it starts to use the grammatical network based on command words plus a specific acoustic model for recognition, and continues to recognize until the VAD judges that the speech has been completed. End, then end the recognition and get the recognition result [0003] In the process of implementing the present application, the inventor found that the voice recognition solution has an obvious delay between when the user finishes speaking the command wo...
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IPC IPC(8): G10L25/78G10L15/22G10L15/08
CPCG10L25/78G10L15/22G10L15/08G10L2025/783G10L2015/223G10L2015/088Y02P90/02
Inventor 蒋泳森
Owner AISPEECH CO LTD