Name: speaker diarization 3.1
Author: pyannote

Overview

Speaker Diarization 3.1, powered by pyannote, is a specialized framework designed to solve the 'who spoke when' problem in audio processing. Unlike standard ASR which only provides text, this model identifies distinct speaker identities and maps their timestamps across a recording. For developers, this is critical for building automated meeting minutes, multi-party interview transcripts, or voice-activated analytics. It integrates efficiently into speech pipelines, acting as a pre-processing or parallel layer to transcription engines. Compared to basic clustering methods, version 3.1 offers improved precision in speaker change detection and overlap handling, making it a robust choice for noisy, real-world audio environments where speaker turns are rapid.

Highlights

Precise speaker identification and timestamping for multi-speaker audio.
Seamless integration into existing ASR and transcription pipelines.
Improved handling of overlapping speech and rapid turn-taking.
Permissive MIT license for flexible commercial deployment.

Usage

Install

# Install Hugging Face transformers
pip install transformers torch

SDK Usage

# Load model with transformers
from transformers import AutoModel, AutoTokenizer

model = AutoModel.from_pretrained("pyannote/speaker-diarization-3.1")
tokenizer = AutoTokenizer.from_pretrained("pyannote/speaker-diarization-3.1")

Hugging Face Download

We recommend downloading the model via the Hugging Face CLI or Hub SDK.

Guidance：Before downloading, install huggingface_hub with:

Guidance

pip install -U huggingface_hub

CLI Download

Download the full repository

huggingface-cli download pyannote/speaker-diarization-3.1

Download a single file to a local folder (e.g. config.json into ./dir)

huggingface-cli download pyannote/speaker-diarization-3.1 config.json --local-dir ./dir

See the official docs for more CLI options

SDK Download

# 模型下载
from huggingface_hub import snapshot_download
model_dir = snapshot_download('pyannote/speaker-diarization-3.1')

Git Download

Make sure git-lfs is installed first

Git Download

git lfs install
git clone https://huggingface.co/pyannote/speaker-diarization-3.1

To skip LFS large-file downloads, use:

Skip LFS

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/pyannote/speaker-diarization-3.1

Model files are hosted on the Hugging Face Hub — download directly via HF CLI / SDK / Git, not through this site.

PyTorch / Transformers Usage

Install Transformers

pip install -U transformers torch

Load the model and run inference

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained('pyannote/speaker-diarization-3.1')
tokenizer = AutoTokenizer.from_pretrained('pyannote/speaker-diarization-3.1')

Model Download

We recommend downloading the model via the ModelScope CLI or SDK.

Guidance：Before downloading, install ModelScope with:

Guidance

pip install modelscope

CLI Download

Download the full repository

modelscope download --model pyannote/speaker-diarization-3.1

Download a single file to a local folder (e.g. README.md into ./dir)

modelscope download --model pyannote/speaker-diarization-3.1 README.md --local_dir ./dir

See the docs for more CLI options

SDK Download

# 模型下载
from modelscope import snapshot_download
model_dir = snapshot_download('pyannote/speaker-diarization-3.1')

Git Download

Make sure git-lfs is installed first

Git Download

git lfs install
git clone https://www.modelscope.cn/pyannote/speaker-diarization-3.1.git

To skip LFS large-file downloads, use:

Skip LFS

GIT_LFS_SKIP_SMUDGE=1 git clone https://www.modelscope.cn/pyannote/speaker-diarization-3.1.git

ModelScope 模型页直接下载模型文件；无需将模型文件放在本站服务器。

Notebook Quickstart

Install the ModelScope library

pip install "modelscope[audio,cv,nlp,multi-modal,science]" -f https://modelscope.oss-cn-beijing.aliyuncs.com/releases/repo.html

Load the model and run inference

from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks

p = pipeline('text-generation', 'pyannote/speaker-diarization-3.1')