transcribe.py

from pydub import AudioSegment
from pydub.utils import make_chunks
import os
import whisper

model = whisper.load_model("base")

def transcribe(audio_path):
    transcripts = []
    for transcript in transcribe_audio_in_chunks(audio_path, chunk_length_ms=30000):
        transcripts.append(transcript)
        yield " ".join(transcripts)

def transcribe_segment(segment, segment_number):
    temp_filename = f"temp_segment_{segment_number}.wav"
    segment.export(temp_filename, format="wav")
    result = model.transcribe(temp_filename)
    os.remove(temp_filename)
    return result["text"]

def transcribe_audio_in_chunks(audio_path, chunk_length_ms):
    audio = AudioSegment.from_file(audio_path)
    chunks = make_chunks(audio, chunk_length_ms)
    for i, chunk in enumerate(chunks):
        transcription = transcribe_segment(chunk, i)
        yield transcription