Assemblyai Transcriber

---
name: assemblyai-transcriber
description: "Transcribe audio files with speaker diarization (who speaks when). Supports 100+ languages, automatic language detection, and timestamps. Use for meetings, interviews, podcasts, or voice messages. Requires AssemblyAI API key."
metadata:
  openclaw:
    requires:
      env:
        - ASSEMBLYAI_API_KEY
---

# AssemblyAI Transcriber 🎙️

Transcribe audio files with speaker diarization (who speaks when).

## Features

- ✅ Transcription in 100+ languages
- ✅ Speaker diarization (Speaker A, B, C...)
- ✅ Timestamps per utterance
- ✅ Automatic language detection
- ✅ Supports MP3, WAV, M4A, FLAC, OGG, WEBM

## Setup

1. Create AssemblyAI account: https://www.assemblyai.com/
2. Get API key (free tier: 100 min/month)
3. Set environment variable:

```bash
export ASSEMBLYAI_API_KEY="your-api-key"
```

Or save to config file:

```json
// ~/.assemblyai_config.json
{
  "api_key": "YOUR_API_KEY"
}
```

## Usage

### Transcribe local audio

```bash
python3 scripts/transcribe.py /path/to/recording.mp3
```

### Transcribe from URL

```bash
python3 scripts/transcribe.py https://example.com/meeting.mp3
```

### Options

```bash
python3 scripts/transcribe.py audio.mp3 --no-diarization  # Skip speaker labels
python3 scripts/transcribe.py audio.mp3 --json            # Raw JSON output
```

## Output Format

```
## Transcript

*Language: EN*
*Duration: 05:32*

**Speaker A** [00:00]: Hello everyone, welcome to the meeting.
**Speaker B** [00:03]: Thanks! Happy to be here.
**Speaker A** [00:06]: Let's start with the first item...
```

## Pricing

- **Free Tier**: 100 minutes/month free
- **After**: ~$0.01/minute

## Tips

- For best speaker diarization: clear speaker changes, minimal overlap
- Background noise is filtered well
- Multi-language auto-detection works reliably

---

**Author**: xenofex7 | **Version**: 1.1.0