speech-codec

Official inference code and checkpoints for CodecSlime.

Pure-Go MIT-licensed G.729A-compatible codec for RTP G729/8000 annexb=no send paths.

Hide digital data inside speech-shaped audio that survives Zoom, Discord, WhatsApp, and cellular voice. Reproducible Pareto curve of six trained codecs spanning 76 bps (cellular) to 3196 bps (Zoom-class) with listenable demos.

Official PyTorch implementation of GS-Codec: A Gaussian-Splatting Bottleneck for Neural Audio Coding (NeurIPS 2026)

test scripts for test lyra voice codec

A few seconds of speech inside an ordinary QR code. Open format, CVQR1: payloads, decoded entirely offline.

Experimental 1–2.4 kbps Lyra V2 WebGPU modes, with microphone recording and prerecorded speech comparisons. Quality unqualified.

Official repo of ICASSP 2021 paper Source-Aware Neural Speech Coding for Noisy Speech Compression (SANAC)

Experimental Lyra V2 speech codec for WebGPU/WGSL with a browser recording demo at 3.2, 6, and 9.2 kbps.

G.729AB multichannel codec optimized for TI C6000 DSP

AudioCodec-Hub is a Python library for encoding and decoding audio data, supporting various neural audio codec models

flow mirror models from JZX AI Labs

ICASSP 2024 - Generative De-Quantization for Neural Speech Codec via Latent Diffusion.

Pure-Rust Opus audio codec (RFC 6716) with Ogg encapsulation (RFC 7845). Encoder and decoder for SILK, CELT and hybrid modes. No C, no FFI, no dependencies.

Ultra-low bitrate speech codec (0.27-1 kbps) with cross-modal alignment and real-time capabilities

3GPP Codec for Enhanced Voice Services (EVS)

Ultra-low-bitrate Speech Codec for Speech Language Modeling Applications

Codec2 low bit rate audio codec Arduino library for ESP32

microphone array speech generator (MASG) in room acoustic