Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.

examples/industrial_data_pretraining/fsmn_vad_streaming/demo.py

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+#!/usr/bin/env python3
+# -*- encoding: utf-8 -*-
+# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
+#  MIT License  (https://opensource.org/licenses/MIT)
+
+from funasr import AutoModel
+
+wav_file = "https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/vad_example.wav"
+
+model = AutoModel(model="iic/speech_fsmn_vad_zh-cn-16k-common-pytorch")
+
+res = model.generate(input=wav_file)
+print(res)
+
+# [[beg1, end1], [beg2, end2], .., [begN, endN]]
+# beg/end: ms
+
+
+import soundfile
+import os
+
+wav_file = os.path.join(model.model_path, "example/vad_example.wav")
+speech, sample_rate = soundfile.read(wav_file)
+
+chunk_size = 200  # ms
+chunk_stride = int(chunk_size * sample_rate / 1000)
+
+cache = {}
+
+total_chunk_num = int(len((speech) - 1) / chunk_stride + 1)
+for i in range(total_chunk_num):
+    speech_chunk = speech[i * chunk_stride : (i + 1) * chunk_stride]
+    is_final = i == total_chunk_num - 1
+    res = model.generate(
+        input=speech_chunk,
+        cache=cache,
+        is_final=is_final,
+        chunk_size=chunk_size,
+        disable_pbar=True,
+    )
+    # print(res)
+    if len(res[0]["value"]):
+        print(res)
+
+
+# 1. [[beg1, end1], [beg2, end2], .., [begN, endN]]; [[beg, end]]; [[beg1, end1], [beg2, end2]]
+# 2. [[beg, -1]]
+# 3. [[-1, end]]
+# beg/end: ms