Build Audio Transcription Pipeline with OpenAI Whisper API

import pixeltable as pxt
from pixeltable.functions import openai

# Create table for audio processing
audio_files = pxt.create_table('audio_transcription', {
    'audio_file': pxt.Audio,
    'filename': pxt.String,
    'duration_seconds': pxt.Float,
    'source': pxt.String
})

# Add Whisper transcription
audio_files.add_computed_column(
    transcript=openai.transcribe(
        audio=audio_files.audio_file,
        model='whisper-1'
    )
)