ChatTTS vs CrystalSound

ChatTTS is an open-source text-to-speech model built for dialogue. The 2Noise team trained it on over 100,000 hours of Chinese and English speech so it sounds natural in back-and-forth conversation, not just scripted narration.

What sets it apart is prosody control at a granular level. The model can layer in laughter, pauses, and interjections, and it handles multiple speakers in a single session. That makes it a fit for LLM assistants, conversational audio, and dialogue-heavy multimedia.

Developers install it via pip or clone the GitHub repo. The open-source release on Hugging Face is a 40,000-hour base model under AGPLv3+. The team positions it for research and dialogue use cases, with contact at [email protected] for roadmap questions.

CrystalSound cleans up online meeting audio with AI noise cancellation, bidirectional recording, and optional meeting insights. It installs as a selectable microphone on Windows apps and browsers, so Zoom, Teams, and other conference tools pick it up without replacing your whole stack. The homepage also pitches screen recording, meeting minutes, and centralized storage for recordings from multiple conferencing apps.

Most noise cancellers only scrub your mic input. CrystalSound advertises bi-directional cancellation that filters noise from both sides of a call, plus a My Voice Only mode that isolates your voice from other speakers in the room. Premium and Enterprise tiers add cloud recording and team license management, while the Enterprise plan keeps processing on-device for privacy-sensitive orgs.

Remote workers in noisy homes, café writers dictating into voice tools, and IT teams standardizing audio across 89% of orgs that juggle multiple meeting apps all map to the problems listed on the homepage. A free Starter tier remains after the seven-day Premium trial ends unless you upgrade manually.