[Webkit-unassigned] [Bug 217599] New: If you use speechSynthesis.pause() with Japanese speech, it pauses only for a short time.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217599

            Bug ID: 217599
           Summary: If you use speechSynthesis.pause() with Japanese
                    speech, it pauses only for a short time.
           Product: WebKit
           Version: Safari 14
          Hardware: Macintosh
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit API
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: matsu.bps at gmail.com

Created attachment 411090

  --> https://bugs.webkit.org/attachment.cgi?id=411090&action=review

samplefile

Actual behavior:.
If you use speechSynthesis.pause() with Japanese speech, the paused state is maintained for about 2 seconds and then cannot be resumed by speechSynthesis.resume().

Expected behavior:.
The paused state is maintained and can be resumed by speechSynthesis.resume() at any time.

I have attached a sample file.

To reproduce it, please follow these steps.

---

Steps:
1. Press the speak button.
2. Press the pause button.
3. Wait more than 2 seconds.
4. Press the resume button.

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