Bug 217598

Summary: If you set SpeechSynthesisUtterance.rate to 4 or higher in speechSynthesis.speak for Japanese speech, it is the same as before.
Product: WebKit Reporter: takumi <matsu.bps>
Component: AccessibilityAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: baba, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 14   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
samplefile none

Description takumi 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.

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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.

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Comment 1 Radar WebKit Bug Importer 2020-10-12 17:41:47 PDT
<rdar://problem/70231867>