Convert AC3 to AMR
Convert AC3 files to AMR format online for free. No upload required, 100% private.
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AC3AMRRe-encoding
Converting between two lossy formats (AC3 → AMR) involves re-encoding, which may cause additional quality loss. For best results, convert from the original source file when possible.
About AC3
AC3
Dolby Digital Audio Codec 3
AC3 (Dolby Digital) is a surround sound audio format commonly used in DVDs, Blu-rays, and digital television broadcasting.
Extension
.ac3
Developed By
Dolby Laboratories
Released
1991
Compression
LossyTypical Use Cases
DVD audioBlu-rayDigital TVHome theater
Pros
- • Surround sound support
- • Industry standard for video
- • Good compression
Cons
- • Lossy compression
- • Requires licensing
- • Not for music distribution
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.
Extension
.amr
Developed By
ETSI
Released
1999
Compression
LossyTypical Use Cases
Voice recordingMobile phone audioMMS messagesVoIP
Pros
- • Very small file size
- • Optimized for speech
- • Mobile device support
Cons
- • Poor music quality
- • Speech only
- • Limited compatibility