320 kbps vs 128 kbps: Can You Really Hear the Difference?
August 7, 2025
Bitrate differences in quality, size and when each makes sense
Quick Comparison
| Aspect | 128kbps | 320kbps |
|---|---|---|
| Perceived Quality | Good on mobile/earbuds | Transparent for most listeners |
| Artifacts | More audible | Minimal |
| File Size | ~1MB/min | ~2.4MB/min |
| Best Use | Streaming, speech, storage-limited | Music libraries, higher fidelity |
When 128kbps Works
- Podcasts and audiobooks
- Mobile streaming with data constraints
- Large libraries on limited storage
When 320kbps Shines
- Music with rich dynamics and details
- High-quality headphones or speakers
- Archiving lossy collections
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