Fast frequency detection using the Goertzel algorithm
A pure JavaScript implementation of the Goertzel algorithm.
goertzel-filter implementation
Arduino Library implementation of the Goertzel algorithm
WebAudio Node that implements a goertzel filter
Streaming frequency detection using the Goertzel algorithm
Arduino Library implementation of the Goertzel algorithm
A pitch-detection library for node and the browser
ToneListen React Native Framework - Audio tone detection for React Native apps
Pure Node.js SIP stack for AI voice agents — no native deps, no sidecar
A pitch-detection library for node and the browser
Generates a readme for your node modules.
A pitch-detection library for node (using C++ Addon)
A collection of JavaScript modules for digital signal processing (written in TypeScript)
Transmit/receive messages through audio.
An implementation of Goertzel's Algoritm
A small no_std crate to compute THD using the Goertzel algorithm
An nostd implementation of Goertzel's Algoritm
Goertzel algorithm implementation
Implementation of Goertzel filter-based single-frequency DFT. Accurate to 0.1%.
High-performance, no_std, MCU-friendly FFT, DCT, DST, Hartley, Wavelet, STFT, and more. Stack-only, SIMD, and batch transforms for embedded and scientific Rust.
Pure-Rust AAC-LC decoder and encoder for oxideav — ADTS framing, Huffman books 1-11, IMDCT, M/S stereo, TNS, PNS
High-performance Morse code decoder with 100% test suite accuracy
Pure-Rust WSJT-family decoders + synthesisers (FT8 FT4 FST4 WSPR JT9 JT65 Q65) behind a zero-cost Protocol trait. Host (rustfft) or no_std embedded (ESP32-S3, RP2350, Cortex-M) via a pluggable FFT backend; fixed-point hot path for FPU-less MCUs. Ships with embedded-poc/m5stack-s3-app, a working M5StickS3 FT8 controller (LCD UI, BLE CI-V to IC-705, acoustic mic, QSO FSM) decoding real on-air signals in ~1.2 s post-SlotEnd on Xtensa LX7.
SSTV (Slow-Scan Television) encoding and decoding library for HAM radio
Pure Rust Energy Systems Simulation & Optimization Library
Safe Rust wrappers for the spandsp telephony DSP library
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