Speech-to-Speech Architecture Decision Checklist

One-page printable: cascade-vs-end-to-end, the 800 ms voice-to-voice budget, the WebRTC/WebSocket/SIP transport choice, the turn-taking and barge-in tests, and a side-by-side of OpenAI Realtime API, Gemini Live, and SeamlessM4T on job, cost, connection, and licence.

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Book cover: Video Streaming, Volume 3 of the Fora Soft Video Engineering Handbook

The book · Volume 3 of 7

Video Streaming: A Complete Guide to Video Delivery: From ABR and CDNs to Players, WebRTC, DRM, and the Economics of Streaming

This checklist frames the cascade versus end-to-end choice, the 800 ms voice-to-voice budget and the transport decision for speech-to-speech products. Volume 3 covers the real-time delivery side in depth: WebRTC architecture, SFU topologies, latency in interactive sessions, QoE monitoring and the economics of running real-time streams at scale. Written by Nikolay Sapunov, CEO at Fora Soft.

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