Node-API bindings for SpanDSP G.722 (encode/decode) with ESM+CJS loaders.
Decode T.30 (audio) and T.38 (UDPTL) faxes to TIFF in the browser or Node via WebAssembly (spandsp + libtiff)
Safe Rust wrappers for the spandsp telephony DSP library
Raw FFI bindings for the spandsp telephony DSP library
Pure-Rust ITU-T G.722 wideband sub-band ADPCM codec (64 / 56 / 48 kbit/s)
UDPTL (UDP Transport Layer) codec and socket for T.38 fax