Showing content from https://github.com/sahaRatul/sela below:
GitHub - sahaRatul/sela: SimplE Lossless Audio
A lossless audio codec which aims to be as simple as possible while still having good enough compression ratios.
- cmake
- MSVC/GCC/CLANG/INTEL (Any compiler supporting C++11 should work)
- libao-dev (linux/bsd) / On windows you can skip this dependency
Task Status Encoder DONE Decoder DONE Reading and Writing WAV files DONE Reading and Writing SELA files DONE Multithreaded Encoding & Decoding DONE Player DONE Metadata support TODO Seektable support TODO Support for 24 bit audio TODO Optimization TODO
To understand the core algorithm, see code in frame namespace, frame namespace utilizes maths which is implemented in lpc and rice namespaces.
- Linear Prediction
- Golomb-Rice lossless compression algorithm
- FLAC overview
- Paper on shorten, the original open source lossless codec
- ISO/IEC 14496 Part 3, Subpart 11 (Audio Lossless Coding)
NOTE: You can get the legacy C code by switching to legacy branch.
Also, check out the Java version of this codec at https://github.com/sahaRatul/sela-java
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