STT_Server/main.py

34 lines
930 B
Python

from funasr import AutoModel
chunk_size = 200 # ms
model = AutoModel(
model="fsmn-vad",
model_revision="v2.0.4",
disable_update=True
)
import soundfile
wav_file = "tests/vad_example.wav"
speech, sample_rate = soundfile.read(wav_file)
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
)
if len(res[0]["value"]):
print(res)
print(f"len(speech): {len(speech)}")
print(f"len(speech_chunk): {len(speech_chunk)}")
print(f"total_chunk_num: {total_chunk_num}")
print(f"generateconfig: chunk_size: {chunk_size}, chunk_stride: {chunk_stride}")