Speaker Diarization Python Packages

funasr

A Fundamental End-to-End Speech Recognition Toolkit and Open Source SOTA Pretrained Models, Supporting Speech Recognition, Voice Activity Detection, Text Post-processing etc.

whisper-timestamped

Multilingual Automatic Speech Recognition with word-level timestamps and confidence

espnet

End-to-End Speech Processing Toolkit

funasr-onnx

A Fundamental End-to-End Speech Recognition Toolkit and Open Source SOTA Pretrained Models, Supporting Speech Recognition, Voice Activity Detection, Text Post-processing etc.

wespeakerruntime

Research and Production Oriented Speaker Verification, Recognition and Diarization Toolkit

diart

A python package to build AI-powered real-time audio applications

spectralcluster

Python re-implementation of the (constrained) spectral clustering algorithms used in Google's speaker diarization papers.

diarize

Speaker diarization for Python — "who spoke when?" CPU-only, no API keys, Apache 2.0. ~10.8% DER on VoxConverse, 8x faster than real-time.

polyvoice

Speaker diarization for Rust — who spoke when, without Python. Silero VAD + WeSpeaker + AHC in a single Pipeline::run() call.

speechlib

Speechlib is a library that unifies speaker diarization, transcription and speaker recognition in a single pipeline to create transcripts for audio conversations with actual speaker names and time tags. This library also contains audio preprocessor functions.

taiwan-asr-toolkit

Production-grade Traditional Chinese / Taiwan Mandarin speech-to-text. Qwen3-ASR + MediaTek Breeze-ASR-25, hot-word injection, LLM polish, speaker diarization. RTF up to 1554x on RTX 5090, 56 TDD tests.

qwen-aligner-toolkit

Production toolkit around Qwen3-ForcedAligner: multilingual word-level alignment, VAD, and speaker diarization.

funasr-torch

A Fundamental End-to-End Speech Recognition Toolkit and Open Source SOTA Pretrained Models, Supporting Speech Recognition, Voice Activity Detection, Text Post-processing etc.

simpleder

A lightweight library to compute Diarization Error Rate (DER).

whisper-run

Faster Whisper with Speaker Diarization

voxkitchen

Declarative speech data processing toolkit — write a YAML recipe, run vkit run, get training-ready data. Ships a Claude Code skill.

senko

Very fast, accurate speaker diarization

diarizationlm

This repository contains audio samples and supplementary materials accompanying publications by the "Speaker, Voice and Language" team at Google.

pvfalcon

Falcon Speaker Diarization Engine

sonata-asr

SONATA (SOund and Narrative Advanced Transcription Assistant): An advanced ASR system that captures human expressions including emotive sounds and non-verbal cues.

sidlingvo

This repository contains audio samples and supplementary materials accompanying publications by the "Speaker, Voice and Language" team at Google.

transcribe-critic

Multi-source transcript merging inspired by textual criticism — LLM adjudicates multiple Whisper, YouTube captions & external transcripts for higher quality. Includes speaker diarization and summarization.

gryannote

Provide Gradio custom components to make the diarization-based audio labeling process easier and faster.

uisrnn

This is the library for the Unbounded Interleaved-State Recurrent Neural Network (UIS-RNN) algorithm, corresponding to the paper Fully Supervised Speaker Diarization.