Jeremy Brown, Director of Video Delivery and Data Engineering at Optus, the Australian telco, presented at the recent Buffer-Free Video conference with a session titled “We Asked AI to Caption Our Shows – Here’s What Happened.” Optus conducted a thorough investigation into using Generative AI to generate subtitles for both VoD and live content. The company tested four different LLMs: Company LLM Open Source Meta Seamless M4T Research Project – Yes Google Speech-to-Text Commercial Reset Baseline – No OpenAI Whisper Yes Vosk Alpha Cephei Vosk Yes The challenge was designed as a worst-case scenario: a French Ligue 1 soccer match, commentated by a Spanish native speaker in English, attempting to pronounce the names of African-born players. Optus shared the following…