Praat: Doing Phonetics By Computer

Voice Activity Detector (VAD) : low-latency, high-performance and lightweight

Open-Source Large Vocabulary Continuous Speech Recognition Engine

INTEGRAT Teaches best practices in AI training (example app is Phoneme Recognition)

Speech synthesis for ESP8266 using S.A.M. port

ATTINY3226 talking thermometer

The ITU-T Software Tool Library (G.191)

Feeling sound with tactile interfaces.

Android PicoTTS w/C calling application using submodule

Free, easy, portable audio engine for games

Formant speech synthesizer

Speech synthesis for ESP using S.A.M. port in spanish

Generative Art Library

Polish language TTS system for microcontrollers using Mbrola as speech synthesis engine

Arduino Text-to-Speech Library

Voice100 includes neural TTS/ASR models. Inference of Voice100 is low cost as its models are tiny and only depend on CNN without recursion.

State-of-the-art (ranked #1 Aug 2022) German Speech Recognition in 284 lines of C++. This is a 100% private 100% offline 100% free CLI tool.

Opensource implementation of both encoder and decoder of the ITU G729 Annex A/B speech codec.

CVoiceControl - command and control for Linux

A python implementation of Speech intelligibility in bits (SIIB)