Convert OPUS to AMR
Convert OPUS files to AMR format online for free. No upload required, 100% private.
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Converting between two lossy formats (OPUS → AMR) involves re-encoding, which may cause additional quality loss. For best results, convert from the original source file when possible.
About OPUS
OPUS
Opus Interactive Audio Codec
Opus is a modern lossy audio codec optimized for both speech and music. It offers excellent quality at low bitrates and is ideal for real-time communication.
Typical Use Cases
Pros
- • Excellent low-bitrate quality
- • Low latency
- • Open source
- • Versatile
Cons
- • Limited device support
- • Newer format
- • Not all players support it
About AMR
AMR
Adaptive Multi-Rate Audio Codec
AMR is a speech audio codec optimized for voice recording. It is commonly used in mobile phones for voice memos and MMS messages.
Typical Use Cases
Pros
- • Very small file size
- • Optimized for speech
- • Mobile device support
Cons
- • Poor music quality
- • Speech only
- • Limited compatibility