SSML Support Across Commercial TTS Streaming APIs
Provider support for SSML tags varies sharply, forcing developers to test before choosing.
Freya Petrova
Section
8 stories in Streaming Text-to-Speech.
Provider support for SSML tags varies sharply, forcing developers to test before choosing.
Streaming TTS failures demand tailored recovery patterns, not generic retries.
Hidden costs beyond listed rates grow exponentially at high volumes.
Web Speech API and cloud TTS require different fixes for buffering and sync.
WebSocket cuts latency in half by eliminating HTTP's per-chunk overhead tax.
Why streaming TTS systems struggle with natural-sounding speech.
Chunking text before synthesis determines responsiveness more than model speed ever will.
Measurement conditions and pipeline compounding matter more than vendor-reported latency numbers.