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Feedback: audio-intelligence-topic-detection

Original URL: https://assemblyai.com/docs/audio-intelligence/topic-detection
Category: audio-intelligence
Generated: 05/08/2025, 4:33:00 pm


Generated: 05/08/2025, 4:32:59 pm

This documentation is technically solid but has several areas for improvement in clarity, structure, and user experience. The content is comprehensive but could be better organized and more user-friendly.

Issue: No information about pricing, rate limits, or usage quotas.

Add a section covering:
- Pricing per minute/hour
- API rate limits
- Usage quotas or restrictions
- Processing time expectations

Issue: No error handling examples.

Add error handling examples for each language:
- Network timeouts
- Invalid audio formats
- Quota exceeded errors
- Authentication failures

Issue: The IAB Content Taxonomy explanation is vague.

"consists of 698 comprehensive topics"
"consists of 698 hierarchical topics organized in categories like 'NewsAndPolitics>Weather'
and 'Home&Garden>IndoorEnvironmentalQuality'. Topics are structured as parent>child
relationships, allowing for both broad and specific categorization."

Issue: Relevance scores lack explanation.

Add explanation:
"Relevance scores range from 0.0 to 1.0, where:
- 0.8-1.0: Highly relevant
- 0.5-0.7: Moderately relevant
- 0.0-0.4: Low relevance
Multiple topics can be detected simultaneously with different relevance scores."

Current example output is hard to parse:

Smoke from hundreds of wildfires in Canada is triggering air quality alerts...
Timestamp: 250 - 28920
Home&Garden>IndoorEnvironmentalQuality (0.9881)
**Example 1: News Interview**
Text: "Smoke from hundreds of wildfires in Canada is triggering air quality alerts..."
Timeframe: 0:04 - 0:28 (4.2 seconds to 28.9 seconds)
Detected Topics:
├── Home&Garden>IndoorEnvironmentalQuality (98.8% confidence)
├── NewsAndPolitics>Weather (55.6% confidence)
└── MedicalHealth>DiseasesAndConditions>LungAndRespiratoryHealth (0.4% confidence)

Reorganize the content flow:

Current: Introduction → Quickstart → API Reference → FAQ
Better: Introduction → Key Concepts → Quickstart → Advanced Usage → API Reference → Troubleshooting → FAQ

Add a “Key Concepts” section before Quickstart:

## Key Concepts
### IAB Content Taxonomy
The Internet Advertising Bureau (IAB) taxonomy is a standardized classification system with 698 topics organized hierarchically:
- **Level 1**: Broad categories (e.g., "NewsAndPolitics")
- **Level 2**: Subcategories (e.g., "NewsAndPolitics>Weather")
- **Level 3**: Specific topics (e.g., "NewsAndPolitics>Weather>Storms")
### Relevance Scoring
Each detected topic receives a relevance score (0.0-1.0):
- **High relevance (0.8-1.0)**: Primary topic of the audio segment
- **Medium relevance (0.4-0.7)**: Secondary or related topic
- **Low relevance (0.0-0.4)**: Tangentially related content
### Results Structure
- **Segment-level results**: Topics detected in specific time ranges
- **Summary results**: Overall topic relevance for the entire audio file

Pain Point: Users don’t know what audio works best.

## Audio Requirements & Best Practices
### Supported Audio Formats
- MP3, WAV, MP4, M4A, FLAC, OGG
- Maximum file size: 2.2GB
- Minimum duration: 0.5 seconds
### Optimization Tips
- Clear speech with minimal background noise
- Audio with substantial spoken content (>30 seconds recommended)
- Avoid music-only or ambient sound files
- Higher quality audio (44.1kHz, 16-bit) produces better results

Pain Point: Code examples are too long and intimidating.

Add a "Quick Start" with minimal code:
## 30-Second Quick Start
```python
import assemblyai as aai
aai.settings.api_key = "YOUR_API_KEY"
transcript = aai.Transcriber().transcribe(
"your_audio.mp3",
config=aai.TranscriptionConfig(iab_categories=True)
)
# Print detected topics
for topic, relevance in transcript.iab_categories.summary.items():
print(f"{topic}: {relevance:.1%}")
```

Pain Point: No guidance on interpreting results.

## Interpreting Results
### Understanding Topic Hierarchies
Topics use `>` to show parent-child relationships:
- `NewsAndPolitics>Weather>Storms` = News about weather storms
- `MedicalHealth>DiseasesAndConditions>Cancer` = Medical content about cancer
### Working with Relevance Scores
```python
# Filter for highly relevant topics only
high_confidence_topics = {
topic: score for topic, score in summary.items()
if score > 0.8
}
# Get primary topic
primary_topic = max(summary.items(), key=lambda x: x[1])
```

Add troubleshooting section:

## Troubleshooting
### No Topics Detected
- **Audio too short**: Minimum 30 seconds recommended for reliable detection
- **Poor audio quality**: Ensure clear speech, minimal background noise
- **Non-English content**: Check if your language is supported
- **Music/ambient audio**: Model works best with speech content
### Unexpected Results
- **Irrelevant topics**: May indicate background noise or cross-talk
- **Low confidence scores**: Normal for tangentially related content
- **Missing expected topics**: Audio may not contain enough relevant keywords

Add integration examples:

## Common Integration Patterns
### Content Categorization
```python
def categorize_podcast(audio_file):
transcript = transcriber.transcribe(audio_file, config)
primary_category = max(transcript.iab_categories.summary.items(), key=lambda x: x[1])
return primary_category[0].split('>')[0] # Get top-level category
def find_segments_about_topic(transcript, target_topic):
relevant_segments = []
for result in transcript.iab_categories.results:
for label in result.labels:
if target_topic.lower() in label.label.lower() and label.relevance > 0.5:
relevant_segments.append({
'text': result.text,
'start_time': result.timestamp.start / 1000, # Convert to seconds
'relevance': label.relevance
})
return relevant_segments

Several code examples have minor issues:

  • Python SDK example has inconsistent variable naming
  • JavaScript example missing error handling
  • C# example could be simplified with better structure
  • PHP example has a copy-paste error referencing content_safety_labels
  1. High Priority: Add Key Concepts section and improve example formatting
  2. High Priority: Add error handling examples for all languages
  3. Medium Priority: Create troubleshooting section
  4. Medium Priority: Add audio requirements and best practices
  5. Low Priority: Fix minor code issues and add integration patterns

These improvements would significantly enhance user experience