M4A to AMR
Convert M4A files to AMR online for free. Fast, secure, and no installation required. Best M4A to AMR tool.
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Best in class algorithms for AMR conversion.
What is M4A?
MPEG-4 Audio
M4A is a file extension for an audio file encoded with advanced audio coding (AAC) which is a lossy compression. It is widely used by Apple iTunes and is generally considered the successor to MP3.
- Default Apple format
- High quality
- Chapter support
What is AMR?
Adaptive Multi-Rate
AMR is an audio compression format optimized for speech coding. AMR is widely used in GSM and UMTS mobile telephony.
- Optimized for speech
- Very small size
- Mobile standard