SSML using Chrome TTS
I'm a Chrome engineer. SSML support has not been implemented yet, but it's planned. Obviously not all engines would support it, but when we implement SSML support we'll also implement support for stripping SSML from engines that don't support it.
Sorry the documentation is misleading here.
Star this bug to express interest and get notified when it's fixed: https://code.google.com/p/chromium/issues/detail?id=88072
If anyone's looking at this later, you can control prosody on Mac Chrome using Apple's native command syntax, at least for the default voices:
the square root of [[pbas +4]] 2 [[char LTRL]]a[[char NORM]] to the [[pbas +4]] 14 [[char LTRL]]x[[char NORM]]Documented here.