What does ultraVAD do?

Accurately detecting speech segments in audio streams for downstream processing. It is catalogued under Foundation models & chat on PulseGate.

Who should use ultraVAD?

ultraVAD is an open-source project built for developers building voice applications.

Does ultraVAD have a free plan?

Yes — ultraVAD is open source under the Open Source license and free to use.

What platforms does ultraVAD run on?

ultraVAD runs on the web and API.

Is ultraVAD still active?

Unverified. ultraVAD has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to ultraVAD?

Similar projects tracked by PulseGate include Ouro 1.4B, Bge Reranker V2 M3 Ko, and Qwen 72B.

Who develops ultraVAD?

ultraVAD is developed by Fixie.ai.

When did ultraVAD launch?

ultraVAD first shipped in 2024.

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ultraVAD

Name: ultraVAD
Author: Fixie.ai

huggingface.coInfrastructure

ultraVAD is a voice activity detection (VAD) model created by Fixie.ai. It identifies when a person is speaking in an audio stream. The model is distributed on Hugging Face and can be integrated into audio processing pipelines using standard machine learning libraries.

Open SourceWebAPI

Visit huggingface.co

Overview

3 features

ultraVAD sits in PulseGate's Foundation models & chat category. Accurately detecting speech segments in audio streams for downstream processing. ultraVAD is an open-source project aimed at developers building voice applications. ultraVAD is open source under the Open Source license. It ships for the web and API.

Behind ultraVAD is Fixie.ai, and it first shipped in 2024. Among its 3 catalogued features are Voice Activity Detection, Audio Processing, and Transformers Compatible.

Summary written by a language model from the project’s public pages.

Voice Activity Detection
Audio Processing
Transformers Compatible

Built with & integrations

Hosting

AWS

Runs on

BrowserAPI-only

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen Source

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed19 Jul · 20:19 UTC
fixie-ai/ultraVAD verified against its public source
Source: PulseGate · Open

Frequently asked questions about ultraVAD

What does ultraVAD do?: Accurately detecting speech segments in audio streams for downstream processing. It is catalogued under Foundation models & chat on PulseGate.
Who should use ultraVAD?: ultraVAD is an open-source project built for developers building voice applications.
Does ultraVAD have a free plan?: Yes — ultraVAD is open source under the Open Source license and free to use.
What platforms does ultraVAD run on?: ultraVAD runs on the web and API.
Is ultraVAD still active?: Unverified. ultraVAD has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to ultraVAD?: Similar projects tracked by PulseGate include Ouro 1.4B, Bge Reranker V2 M3 Ko, and Qwen 72B.Ouro 1.4B Bge Reranker V2 M3 Ko Qwen 72B
Who develops ultraVAD?: ultraVAD is developed by Fixie.ai.
When did ultraVAD launch?: ultraVAD first shipped in 2024.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: developers building voice applications
Model: Open source
Solves: Accurately detecting speech segments in audio streams for downstream processing.

Registered as

Hugging Face: fixie-ai/ultraVAD

Developer

Fixie.ai

Live coverage

Identity confidence: Medium · 70.4
Indexed: 19 Jul 2026
Lifecycle: Unverified
Last seen: 19 Jul 2026

Identity audit (12)

Slug: fixie-ai-ultravad-huggingface-co
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Derived from the model's own Hugging Face metadata.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 26 Jul 2026
Canonical URL: https://huggingface.co/fixie-ai/ultraVAD

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Also in Foundation models & chat

Same category — not a similarity match