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import wave
from io import BytesIO
import numpy as np
from .np import float_to_int16
from .av import wav2
def pcm_arr_to_mp3_view(wav: np.ndarray):
buf = BytesIO()
with wave.open(buf, "wb") as wf:
wf.setnchannels(1) # Mono channel
wf.setsampwidth(2) # Sample width in bytes
wf.setframerate(24000) # Sample rate in Hz
wf.writeframes(float_to_int16(wav))
buf.seek(0, 0)
buf2 = BytesIO()
wav2(buf, buf2, "mp3")
buf.seek(0, 0)
return buf2.getbuffer()
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