NEW 217598
If you set SpeechSynthesisUtterance.rate to 4 or higher in speechSynthesis.speak for Japanese speech, it is the same as before. 
https://bugs.webkit.org/show_bug.cgi?id=217598
Summary If you set SpeechSynthesisUtterance.rate to 4 or higher in speechSynthesis.sp...
takumi
Reported 2020-10-11 19:24:38 PDT
Created attachment 411089 [details] samplefile Actual behavior: If you set SpeechSynthesisUtterance.rate to 4 or higher in speechSynthesis.speak for Japanese speech, it is the same as before. Expected behavior:. The speed will be of the specified value. Or the speed of the limit value. A sample file is attached. To reproduce it, follow these steps. --- Steps: 1. change the rate to 0.5. 2. Press the speak button. 4. 3. Press the "cancel" button. 5. 4. Change Rate to 4. 5. press the speak button. ---
Attachments
samplefile (918 bytes, text/html)
2020-10-11 19:24 PDT, takumi 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2020-10-12 17:41:47 PDT
<rdar://problem/70231867>
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