Chatterbox

Chatterbox

Resemble AI
Modulate Velma

Modulate Velma

Modulate
+
+

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About

Chatterbox is a free, open source voice cloning AI model developed by Resemble AI, licensed under MIT. It enables zero-shot voice cloning using just 5 seconds of reference audio, eliminating the need for training. The model offers expressive speech synthesis with unique emotion control, allowing users to adjust the intensity from monotone to dramatically expressive with a single parameter. Chatterbox supports accent control and text-based controllability, ensuring high-quality, human-like text-to-speech conversion. It operates with faster-than-real-time inference, making it suitable for real-time applications, voice assistants, and interactive media. The model is built for production and designed for developers, featuring simple installation via pip and comprehensive documentation. Chatterbox includes built-in watermarking using Resemble AI’s PerTh (Perceptual Threshold) Watermarker, embedding data imperceptibly to protect generated audio content.

About

Velma is a voice-native AI model developed by Modulate as part of a broader voice intelligence platform, designed to understand conversations directly from audio rather than relying on text transcripts. Unlike traditional systems that convert speech into text and analyze it with language models, Velma uses an Ensemble Listening Model (ELM), a specialized architecture that processes multiple dimensions of voice simultaneously, including tone, emotion, pacing, intent, and behavioral signals. This allows it to capture the full meaning of a conversation, not just the words spoken, recognizing nuances such as stress, deception, sarcasm, or escalation in real time. It operates by combining hundreds of specialized detectors, each focused on specific aspects of speech like emotional state, inappropriate conduct, or synthetic voice indicators, and then fusing those signals into higher-level insights about what is happening in a conversation.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Game developers in search of a solution to create dynamic, emotionally expressive character voices

Audience

Enterprise operations and trust & safety teams that need real-time voice intelligence to monitor conversations, detect risk, and enforce compliance across human and AI interactions

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$5 per month
Free Version
Free Trial

Pricing

$0.25 per hour
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Resemble AI
United States
www.resemble.ai/chatterbox/

Company Information

Modulate
Founded: 2019
United States
www.modulate.ai/velma

Alternatives

Alternatives

Voxtral TTS

Voxtral TTS

Mistral AI
Chirp 3

Chirp 3

Google

Categories

Categories

Integrations

Five9
GENESYS
Zendesk
Adobe Firefly
Aspect Workforce
Avaya Cloud Office
Character.AI
Claude
Discord
Filmora
HeyGen
Jasper
LivePerson
Llama 2
Microsoft Teams
Quizgecko
SiteGPT
Spotify
Trinka AI
Zoom

Integrations

Five9
GENESYS
Zendesk
Adobe Firefly
Aspect Workforce
Avaya Cloud Office
Character.AI
Claude
Discord
Filmora
HeyGen
Jasper
LivePerson
Llama 2
Microsoft Teams
Quizgecko
SiteGPT
Spotify
Trinka AI
Zoom
Claim Chatterbox and update features and information
Claim Chatterbox and update features and information
Claim Modulate Velma and update features and information
Claim Modulate Velma and update features and information