Feedback: integrations-haystack

Documentation Feedback

Original URL: https://www.assemblyai.com/docs/integrations/haystack
Category: integrations
Generated: 05/08/2025, 4:28:26 pm

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Claude Sonnet 4 Feedback

Generated: 05/08/2025, 4:28:25 pm

Technical Documentation Analysis and Improvement Recommendations

1. Critical Missing Information

API Key Setup

• Issue: The documentation mentions getting an API key but doesn’t explain how to obtain one
• Fix: Add a dedicated section explaining:

  ## Prerequisites
  
  Before using the AssemblyAI Haystack integration, you'll need:
  
  1. **AssemblyAI API Key**:
     - Sign up at [AssemblyAI Dashboard](https://www.assemblyai.com/app/signup)
     - Navigate to your account settings to find your API key
     - Set it as an environment variable: `export ASSEMBLYAI_API_KEY="your-api-key-here"`

Version Compatibility

• Issue: No information about supported versions
• Fix: Add compatibility matrix:

  ## Requirements
  
  | Component | Version |
  |-----------|---------|
  | Python | 3.8+ |
  | Haystack | 2.0+ |
  | assemblyai-python-sdk | Latest |

2. Code Example Issues

Broken Import Statement

• Current: from assemblyai_haystack.transcriber (incomplete)
• Fix:

  import os
  from assemblyai_haystack.transcriber import AssemblyAITranscriber
  from haystack.document_stores.in_memory import InMemoryDocumentStore
  from haystack import Pipeline
  from haystack.components.writers import DocumentWriter

Missing Error Handling

• Issue: No guidance on handling common errors
• Fix: Add error handling example:

  try:
      result = indexing.run({
          "transcriber": {
              "file_path": file_url,
              "summarization": True,  # Changed from None to True for clarity
              "speaker_labels": True,
          }
      })
  except Exception as e:
      print(f"Transcription failed: {e}")

3. Structural Improvements

Add Table of Contents

## Table of Contents
- [Prerequisites](#prerequisites)
- [Installation](#installation)
- [Quick Start](#quick-start)
- [Configuration Options](#configuration-options)
- [Advanced Usage](#advanced-usage)
- [Troubleshooting](#troubleshooting)
- [API Reference](#api-reference)

Reorganize Content Flow

1. Prerequisites → Installation → Basic Example → Configuration → Advanced Examples → Troubleshooting

4. Parameter Documentation

Add Configuration Reference

## Configuration Options

### AssemblyAITranscriber Parameters

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `api_key` | str | Required | Your AssemblyAI API key |
| `file_path` | str | Required | URL or local path to audio file |
| `summarization` | bool\|None | None | Enable bullet-point summarization |
| `speaker_labels` | bool\|None | None | Enable speaker diarization |

### Supported Audio Formats
- MP3, WAV, FLAC, M4A, OGG
- Maximum file size: 5GB
- Minimum duration: 0.1 seconds

5. Enhanced Examples

Add Multiple Use Cases

## Examples

### Basic Transcription Only
[Include simple example]

### Transcription with Summarization
[Include example with summarization enabled]

### Full Pipeline with RAG
[Show integration with retrieval and generation]

### Batch Processing
[Show how to process multiple files]

6. User Experience Improvements

Add Troubleshooting Section

## Troubleshooting

### Common Issues

**Authentication Error**
- **Problem**: `Invalid API key`
- **Solution**: Verify your API key is set correctly: `echo $ASSEMBLYAI_API_KEY`

**File Not Found**
- **Problem**: `File not accessible`
- **Solution**: Ensure file path is correct and accessible, or use a public URL

**Timeout Issues**
- **Problem**: Large files timing out
- **Solution**: For files >1 hour, consider chunking or using async processing

Add Performance Notes

## Performance Considerations

- **Processing Time**: ~0.15-0.25x of audio duration
- **Rate Limits**: 5 concurrent requests for free tier
- **File Size**: Larger files (>100MB) may take significantly longer

7. Missing Technical Details

Add Return Value Documentation

## Return Values

The `AssemblyAITranscriber` returns a dictionary with up to three document lists:

### transcription
- **Type**: List[Document]
- **Content**: Full transcript text
- **Metadata**: `transcript_id`, `audio_url`

### summarization (if enabled)
- **Type**: List[Document]
- **Content**: Bullet-point summary
- **Metadata**: None

### speaker_labels (if enabled)
- **Type**: List[Document]
- **Content**: Transcript segments by speaker
- **Metadata**: `speaker` (A, B, C, etc.)

8. Navigation and Discoverability

Add Related Documentation Links

## Related Documentation

- [AssemblyAI API Reference](link)
- [Haystack Pipeline Documentation](link)
- [Audio Preprocessing Guide](link)
- [Integration Examples Repository](link)

9. Code Quality Issues

Parameter Clarity

• Issue: Using None for boolean parameters is confusing
• Fix: Use True/False and explain the difference:

  # Clear parameter usage
  "summarization": True,     # Enable summarization
  "speaker_labels": False,   # Disable speaker diarization

10. Additional Recommendations

1. Add migration guide if upgrading from Haystack 1.x
2. Include async/await examples for non-blocking operations
3. Add cost estimation information
4. Include audio quality recommendations for best results
5. Add integration testing examples

This documentation would benefit significantly from these improvements to reduce user friction and provide a more comprehensive resource for developers.

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