Wanson asr demo

[中文]

1 Functional Overview

Based on the local speech recognition library provided by the third-party company Huazhen, the local offline voice wake-up word and command word recognition functions are realized.

2 Code Path

demo path: \components\demos\media\audio\audio_asr

Wanson local speech recognition library (floating point library) path: \components\bk_thirdparty\asr\wanson

For detailed description of Wanson’s local speech recognition API interface, please refer to the source file: \components\bk_thirdparty\asr\wanson\include\asr.h

3 Cli command introduction

The commands supported by the demo are as follows:

Command

Description

asr_file_test {xxx.pcm}

Identify recordings

aud_intf_asr_test {start|stop}

real-time recognition

DEMO Compilation instruction: make bk7256 PROJECT=thirdparty/wanson_asr

4. Demonstration introduction

The steps performed to identify recordings are as follows:

  1. Mount TF card

  • Uart sends AT command fatfstest M 1 to mount TF card

  1. Identify audio files

  • The demo board sends the command asr_file_test xxx.pcm to recognize the wake-up word and command word in the audio file

Note

    1. The format of the audio file required to identify the recording file is: mono, 16K sampling rate, 16 bit width

    1. Recognition of recording files does not require CPU computing power, which is convenient for verifying that the function of the speech recognition library is normal

The steps performed by real-time recognition are as follows:

  1. Turn on real-time speech recognition

  • The demo board sends the command aud_intf_asr_test start to open real-time speech recognition

  1. Test the wake-up words and command words, the supported wake-up words and command words are as follows:

  • Little Bee Steward recognizes successfully and prints the log xiao feng guan jia on the serial port

  • armino recognizes successfully and prints the log a er mi nuo on the serial port

  • Visitor mode recognize successful serial port print log hui ke mo shi

  • dining mode recognizes successfully and prints the log yong can mo shi on the serial port

  • Leave mode recognize successful serial port print log li kai mo shi

  • home mode identification success serial port print log hui jia mo shi

  1. Turn off real-time speech recognition

6. Shanghai Huazhen Electronic Technology Co., Ltd.

Official website: http://www.wanson.cn/
Headquarters Address: Room 307-308, Huigaoguang Innovation Park, No. 789 Shenwang Road, Minhang District, Shanghai | Shenzhen Office Address: Room 2215-16, East Block, Building 1A, Huiyi City One Center, Xixiang, Baoan District, Shenzhen
Tel: 021-61557858
Mobile: 13524859176
13296017858

provide feedback about this doc