Browser edition: files stay on your device. Up to 100 MB total and 10 minutes. First use downloads a 32 MB engine. Some formats depend on codec support. Public-link downloading is not ready on this free deployment.
What is an AMR file?
A speech codec used for phone-call recordings and old voice memos on Android and feature phones.
Pros
- Tiny files for speech
Cons
- Poor music quality, limited player support
How to open AMR files
VLC, foobar2000 and most music players open AMR. If your device won't play it, convert it to MP3.
Is AMR lossy or lossless?
AMR is lossy: it removes sounds that are hard to hear to make files smaller. Quality depends on the bitrate — 192 kbps and above is transparent for most listeners.
When should you convert AMR?
A speech codec used for phone-call recordings and old voice memos on Android and feature phones. If the app or device you need doesn't accept AMR, convert it to MP3 — the most widely supported alternative.
Convert AMR to…
AMR at a glance
- Full name
- Adaptive Multi-Rate
- Developed by
- 3GPP
- Introduced
- 1999
- Contains
- AMR-NB / AMR-WB speech codec
- MIME type
- audio/amr
- Best for
- call recordings, old voice memos