demo_vad_online.py

from funasr_onnx import Fsmn_vad_online
import soundfile
from pathlib import Path

model_dir = "damo/speech_fsmn_vad_zh-cn-16k-common-pytorch"
wav_path = "{}/.cache/modelscope/hub/damo/speech_fsmn_vad_zh-cn-16k-common-pytorch/example/vad_example.wav".format(
    Path.home()
)

model = Fsmn_vad_online(model_dir)


##online vad
speech, sample_rate = soundfile.read(wav_path)
speech_length = speech.shape[0]
#
sample_offset = 0
step = 1600
param_dict = {"in_cache": []}
for sample_offset in range(0, speech_length, min(step, speech_length - sample_offset)):
    if sample_offset + step >= speech_length - 1:
        step = speech_length - sample_offset
        is_final = True
    else:
        is_final = False
    param_dict["is_final"] = is_final
    segments_result = model(
        audio_in=speech[sample_offset : sample_offset + step], param_dict=param_dict
    )
    if segments_result:
        print(segments_result)