wanson asr development guide ============================== :link_to_translation:`zh_CN:[中文]` 1.Functional Overview --------------------------------- wanson asr Library is mainly used for offline speech recognition, and can support custom wake-up words and command words through model training. 2.development data --------------------------------- The armino platform has adapted and integrated wanson's offline speech recognition library as a platform component, and provided a project for Huazhen's speech recognition application development. Customers can develop based on this project. For a detailed description of the API interface of the wanson-asr library, please refer to the source file: ``.\components\bk_thirdparty\asr\wanson\include\asr.h`` wanson—asr storage path:``.\components\bk_thirdparty\asr\wanson\lib\libasr.a`` .. note:: 1. The wanson Speech Recognition Library requires the audio stream format to be: mono, 16K sampling rate, and 16bit bit width. 2. wanson Speech Recognition Library is based on floating-point arithmetic. 3. After modifying the wake word or command word, the ``libasr.a`` library needs to be replaced. 3.Real-time offline speech recognition application development ----------------------------------------------------------------- The process of developing real-time offline recognition based on the wanson speech recognition library is as follows: 1. Initialize speech recognition 2. Initialize audio sampling 3. Run speech recognition 4. Turn on audio sampling Examples of interface calls are as follows: :: /* init wanson asr lib */ Wanson_ASR_Init() //reset wanson asr Wanson_ASR_Reset(); /* init mic record */ aud_intf_drv_setup.aud_intf_tx_mic_data = aud_asr_handle; //init audio component bk_aud_intf_drv_init(&aud_intf_drv_setup); aud_work_mode = AUD_INTF_WORK_MODE_GENERAL; //set audio component work mode bk_aud_intf_set_mode(aud_work_mode); //init audio mic aud_intf_mic_setup.samp_rate = AUD_ADC_SAMP_RATE_16K; ret = bk_aud_intf_mic_init(&aud_intf_mic_setup); /* start Speech Recognition */ //Continuously send the collected data to the algorithm for recognition Wanson_ASR_Recog((short*)asr_buff, 480, &text, &score); /* turn on audio sampling */ bk_aud_intf_mic_start(); :: Please refer to the source code for the complete demo: ``\components\demos\media\audio\audio_asr`` Reference link -------------------------- `wanson asr project <../../projects_work/thirdparty/wanson_asr/index.html>`_