iCap Alta Software Caption Encoder Adds LEXI Live Sync for Captions Without Delay

iCap Alta Software Caption Encoder Adds LEXI Live Sync for Captions Without Delay

Broadcasters and live content creators of all kinds increasingly work in IP video production environments. Now iCap Alta, the leading software caption encoder for live IP video, is available with the powerful LEXI Live Sync feature to further improve the audience experience.

The LEXI Live Sync delay parameter allows Alta users to match video and audio with live captions with perfect synchronization to the end viewer. LEXI Live Sync was originally introduced for Ai-Media’s flagship hardware encoder to help broadcasters meet stringent FCC quality rules, ensuring synchronization between the audio track and captions better than traditional workflows.

In addition to the benefits to the viewing audience, LEXI Live Sync aids in production and clipping by making sure live captions are contained completely within a segment, without overhang from programming into commercial blocks.

Extending beyond SDI workflows, LEXI Live Sync was next added to Ai-Media’s cloud-hosted live streaming RTMP caption encoder. Using a video output delay, LEXI Live Sync’s caption timing ability can reduce or eliminate delay in real-time. Now available to all Alta users, LEXI Live Sync provides broadcast networks, OTT platforms, and streaming content creators with an easy way to precisely time-sync captions to video.

Live Captions for Corporate Events, Conferences and More

Because it’s typical for both human and AI captioning systems to maximize accuracy by delivering live captions several seconds behind an audio track, there’s often a noticeable delay in captions in live broadcast and events. LEXI Live Sync is ideal for productions where there’s a tolerance for slightly higher video delay, in order to remove this mismatch between A/V programs and captions.

Optimal applications for Alta with LEXI Live Sync include live streaming content such as corporate events, conferences, education, worship, political conventions, awards ceremonies, and niche sports. As production teams increasingly transition to cloud-based IP-driven workflows, they can continue to benefit from LEXI Live Sync as they have when working in SDI.

Alta with LEXI Live Sync can be even more beneficial in scenarios where automatic caption translation via Ai-Media’s iCap Translate is used. Translated secondary languages typically follow the original source language captions with even more delay, and LEXI Live Sync can help solve this problem.

By reducing the otherwise high delay, audiences who are serviced by the second-language captioning will find programming easier to follow and understand.

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