opencore-amr ☆

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Description:
Audio codecs extracted from Android open source project

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Multimedia

Tags: audio codec multimedia amr libavcodec

Install: brew install opencore-amr

About:
OpenCORE-AMR provides a high-performance implementation of the AMR (Adaptive Multi-Rate) speech codec and the AMR-WB (Wideband) variant. Extracted from the Android open-source project, it enables applications to encode and decode audio streams using these standard 3GPP formats. This library is essential for handling voice data in telecommunications and mobile media applications.

Key Features:

Implements both AMR-NB and AMR-WB speech codecs
Provides ANSI C source code for maximum portability
Includes encoder and decoder libraries for integration
Based on the reference implementation from 3GPP standards

Use Cases:

Decoding audio from 3GP mobile video files
Developing VoIP applications requiring AMR codec support
Transcoding audio streams for mobile compatibility

Alternatives:

opencore-amrnb – Legacy package name; opencore-amr is the modern standard.
vo-amrwbenc – Alternative implementation focused specifically on the AMR-WB encoder.

Version History

Detected	Version	Rev	Change	Commit
Sep 10, 2025 10:17am		0	VERSION_BUMP	ed634780
Oct 26, 2024 9:34pm		0	VERSION_BUMP	98038f16