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320 kbps vs 128 kbps: Can You Really Hear the Difference?

Bitrate differences in quality, size and when each makes sense

Audio bitrate comparison chart between 128kbps and 320kbps

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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