Legal
Licences and attribution
Rooster is built on open source work by others. This page credits that work and carries a copy of every licence it is used under. Rooster itself processes your recordings on your Mac.
Parakeet TDT 0.6B v3
NVIDIA
Speech transcription.
Converted to Core ML by FluidInference. Rooster uses the converted models unmodified.
FluidAudio
FluidInference
Runs the Parakeet models on the Apple Neural Engine.
NeMo Text Processing
Copyright (c) NVIDIA CORPORATION & AFFILIATES
Normalises numbers and dates in transcripts.
Compiled into the text-processing-rs framework used by FluidAudio.
whisper.cpp
Copyright (c) 2023-2026 The ggml authors
Transcription for languages Parakeet does not cover.
DeepFilterNet
Copyright (c) 2021 Hendrik Schröter
Studio Sound noise removal.
Transcription models you supply
Rooster can transcribe with a Whisper model file that you download and choose yourself. Those model files are not distributed with Rooster, so they are covered by whatever licence you obtained them under.
Corrections
If a credit here is wrong or incomplete, please tell us and we will correct it.