# https://www.commontary.com llms.txt > COMMONTARY is patented audio/video synchronization technology from MyTeamCalls LLC. It adds an unlimited number of alternate audio streams to any video — each one synced automatically to the individual viewer's feed, without requiring access to the original broadcast stream. The site is organized by audience: fans, creators, media/platform partners, and investors. - [More Voices for Video](https://www.commontary.com/): Watch anything with the commentary you actually want — patented technology that syncs alternate audio to whatever you are already watching. ## For fans - [What is COMMONTARY?](https://www.commontary.com/what_is_commontary/): A second audio source for any video — your team's broadcasters, a comedian over a reality show, a podcaster you trust — kept in sync automatically. - [How It Works](https://www.commontary.com/how_it_works/): The audio fingerprinting and sync loop explained, plus the broadcaster and user-generated content flows. - [When to Use COMMONTARY](https://www.commontary.com/uses_for_commontary/): Use cases for adding an extra voice to video, and why alt-casts like The ManningCast worked. ## For creators - [For Creators](https://www.commontary.com/creators/): Call any broadcast for your own audience, in sync on their screens, with a phone and no rights deal. ## For media and platform partners - [Media & Platforms Overview](https://www.commontary.com/partners/): Engagement, new audience segments, sponsorship inventory, localization and accessibility — with no change to the delivery pipeline. - [For Broadcasters](https://www.commontary.com/partners/broadcasters/): Reach viewers watching a competitor's feed, and get more audiences out of rights you already paid for. - [For Streaming Platforms](https://www.commontary.com/partners/platforms/): Engagement and retention, shallow integration, and creator ecosystems without re-licensing. - [For Sports Leagues](https://www.commontary.com/partners/leagues/): Team-specific calls, multilingual feeds, new-fan feeds and accessibility, alongside existing rights deals. ## For investors - [Investors Overview](https://www.commontary.com/investors/): The opportunity, the technology, the dual B2C app and B2B licensing model, revenue mechanics and traction. - [Why Now](https://www.commontary.com/investors/why_now/): Second-screen viewing, podcast-trained audiences, proven alt-cast results and creators as broadcasters — with sources. - [Patents & IP](https://www.commontary.com/investors/patents/): U.S. Patents 10,433,026 and 10,827,231, what they cover, and an honest account of defensibility. ## Company - [About Us](https://www.commontary.com/about_us/): How COMMONTARY grew out of MyTeamCalls, and who builds it. - [Press](https://www.commontary.com/press/): Industry coverage of alt-casting and watchalongs, plus company announcements. - [Frequently Asked Questions](https://www.commontary.com/faq/): B2C and B2B product questions, delivery compatibility, revenue, licensing and discovery. - [Privacy Policy](https://www.commontary.com/privacy_policy/): Privacy practices regarding user data collection and usage.