A hands-on introduction to video technology: image, video, codec (av1, vp9, h265) and more (ffmpeg encoding). Translations: 🇺🇸 🇨🇳 🇯🇵 🇮🇹 🇰🇷 🇷🇺 🇧🇷 🇪🇸

audio learning tutorial compression h264 video ffmpeg hls guide handson dash codec video-codec h265 adaptive-streaming arithmetic-coding vp9 bitstream av1 frame-types

• Updated Nov 5, 2026
• Jupyter Notebook

Clear implementation of arithmetic coding for educational purposes in Java, Python, C++.

python java c-plus-plus library reference-implementation arithmetic-coding

• Updated May 3, 2026
• Java

Building better compression together

rust compression rust-lang compression-algorithm arithmetic-coding decompress decompressor

• Updated Mar 25, 2021
• Rust

The Minimal LZMA (minlzma) project aims to provide a minimalistic, cross-platform, highly commented, standards-compliant C library (minlzlib) for decompressing LZMA2-encapsulated compressed data in LZMA format within an XZ container, as can be generated with Python 3.6, 7-zip, and xzutils

compression markov-chain decompression lempel-ziv lzma compression-algorithm arithmetic-coding range-coder compression-library decompression-library lzma2 decompression-implementations decompression-algorithm lzma-sdk lzmasdkoc

• Updated Jan 13, 2022
• C

Entropy coding / arithmetic coding for PyTorch

pytorch arithmetic-coding

• Updated Jul 8, 2022
• Python

TurboRC - Fastest Range Coder + Arithmetic Coding / Fastest Asymmetric Numeral Systems

encoding compression decoding huffman-coding data-compression arithmetic-coding entropy-coder range-coder asymmetric-numeral-systems entropy-coding arithmetic-coder

• Updated Nov 12, 2026
• C

Data Compression using Arithmetic Encoding in Python

python data-science data-compression lossless-compression-algorithm arithmetic-coding entropy-coding

• Updated Oct 17, 2026
• Python

a fast range coder in C++, using SSE

compression arithmetic-coding range-coder

• Updated Oct 17, 2023
• C++

The implementation of various data compression techniques.

encoding decoding python3 data-compression run-length-encoding arithmetic-coding run-length-decoding huffman-encoder-decoder binary-run-length-encoding golomb-coding-decoding tunstall-encoding-decoding lz77-encode-decode lz78-encode-decode lzw-encode-decode

• Updated Nov 15, 2020
• Python

YAECL: Yet Another Entropy Coding Library for Neural Compression Research, with Arithmetic Coding and Asymmetric Numeral Systems support

python-library header-only arithmetic-coding entropy-coding pypi-package rans-coding

• Updated Jul 23, 2023
• C++

This project is being developed as part of a Master's degree research sponsored by Brazil's CNPQ. It's goal is to design a hardware architecture to accelerate the AV1 arithmetic encoder.

hardware hardware-designs hardware-acceleration arithmetic-coding av1 entropy-coding

• Updated Oct 4, 2022
• Verilog

Nacrith — Lossless text compression via ensemble neural arithmetic coding. Combines SmolLM2-135M language model with context mixing, adaptive prediction, and high-precision CDF coding. 3.1x better than gzip, and outperforming CMIX, ts_zip, LLMZip and FineZip. Fully lossless. GPU accelerated.

lossless compressor cdf arithmetic-coding llm context-mixing

• Updated Mar 21, 2026
• Python

An arithmetic coder for Rust.

encoder decoding lossless data-compression lossless-compression-algorithm arithmetic-coding entropy-coding cabac lossless-data-compression

• Updated May 24, 2023
• Rust

LLMA = LLM + Arithmetic coder, which use LLM to do insane text data compression. LLMA=大模型+算术编码，它能使用LLM对文本数据进行暴力的压缩，达到极高的压缩率。

gzip data-compression lzma xz arithmetic-coding text-compression cmix paq llm

• Updated Nov 24, 2024
• Python

Arithmetic coding library with statistical models like PPM and Context mixing (demonstrating core principles of probabilistic inference, ensemble learning in AI)

compression neural-network information-theory artificial-intelligence huffman-coding ensemble-learning arithmetic-coding encoding-library probabilistic-inference shannon-entropy

• Updated May 7, 2026
• Python

Arithmetic Coding for Data Compression

data-compression arithmetic-coding

• Updated Feb 13, 2026
• C++

Image compression using arithmetic coding algorithm

compression multimedia images compress-images image-compression compression-algorithm arithmetic-coding

• Updated Jul 8, 2023
• Python

Arithmetic coding library

encoding compression data-compression compression-algorithm arithmetic-coding fenwick-trees

• Updated Nov 6, 2026
• Rust

MATLAB implementation | Qiu et al., IEEE SPL 2025 | EDP prediction + adaptive entropy coding + 3-stage VRBE RDHEI

matlab steganography arithmetic-coding reversible-data-hiding image-security encrypted-images edge-directed-prediction rdhei vrbe ieee-spl-2025

• Updated May 23, 2026
• MATLAB

This is a demo for still image compression application

hardware-architectures verilog image-compression jpeg2000 netlist arithmetic-coding

• Updated Apr 14, 2018
• Verilog