Descript is a comprehensive audio/video editing platform that encompasses transcription, screen recording, publishing capabilities, and advanced AI functionalities such as ultra-authentic voice replication through Overdub, free voice models, privacy-focused features, the flexibility to edit real recordings mid-sentence, multi-voice creation, collaboration with trusted partners, and access to a premium stock voice library. Additionally, it offers a 44.1KHz broadcast-grade speech synthesizer and live Overdubbing capabilities.