Qt wrappers for codec2 speech codec

Android app to record and playback voice (450 to 3200bps), based on the highly effective Codec2 library

Open source speech codec designed for communications quality speech between 450 and 3200 bit/s. The main application is low bandwidth HF/VHF digital radio.

A GUI in Qt for recording speech using Codec2

Digital HAM radio library based on code from DroidStar

Codec2 low bit rate audio codec Arduino library for ESP32

The Codec 2 speech codec, compiled to WASM using Emscripten.

Arduino Micro LoRA/FSK USB KISS modem (for Linux AX.25, APRSDroid, Codec2Talkie) or standalone APRS AX.25 micro digirepeater

Rowetel Codec 2 for iOS

Wireless Codec2 compressed audio transport over ESPNow using ESP32 micro controller.

Python's interface to codec 2

ESP32 based Codec2/OPUS DV hobby UHF handheld transceiver aka walkie-talkie

A simple mesh network communications app powered by the Reticulum Network Stack.

A free, open-source, multi-platform application for sending files and messages, using the codec2 HF modems

Turn your Android phone into Amateur Radio Codec2/OPUS APRS enabled DV handheld transceiver (Bluetooth/BLE/USB/TCPIP KISS/Sound modem client for DV digital voice communication)

LoRa ESP32 KISS Bluetooth modem (for APRSDroid or aprs.fi iOS) + APRS-IS RX/TX iGate over WiFi + Digipeater + DV (with Codec2 Walkie-Talkie)