Audio
Is 320kbps actually better than 256?
5 min readUpdated 12 August 2026
Sometimes, marginally, on good equipment — and never above what the source contained in the first place.
The short version
- You cannot exceed the source's own bitrate
- The gap between 256 and 320 is subtle at best
- Codec efficiency matters more than the raw number
The ceiling problem
If the uploaded audio was 128kbps, asking for 320 produces a bigger file containing the same information. Any tool that offers 320 on every video regardless is padding, not improving.
What you can hear
In blind testing, most listeners struggle to separate 256 from 320 on typical playback. Cymbals, applause and reverb tails are where a difference occasionally shows up.
Efficiency beats bitrate
256kbps AAC generally beats 320kbps MP3, because the codec is better. Comparing bitrate numbers across formats is misleading.
What to pick
Take the direct AAC copy where it's offered. If you need MP3, 320 costs a few extra megabytes and removes any doubt.