Web Audio API has severe performance issues with WebM Vorbis

Fixed Issue #15973650

Details

Created
Feb 16, 2018
Privacy
This issue is public.
Found in build #
16.16299
Fixed in build #
17.17619
Reports
Reported by 1 person

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Steps to reproduce

After installing “Web Media Extensions” from the Windows Store with Edge 16 (…/15935876/)

  1. Go to https://www.scirra.com/labs/audioCodecTests/

Observed result:
The Edge tab gets stuck for ~45 seconds while waiting on a background task. Once the background task finishes, the page recovers, the tests have all passed, and everything is good. The performance issue does not repro if the WebM Vorbis test is removed.

Expected result:
The page should quickly finish loading and all tests should have passed.

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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Danny C.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Danny C.” to “Vlad A.”

      Changed Assigned To from “Vlad A.” to “Brian B.”

      Changed Status from “Confirmed”

      Changed Assigned To from “Brian B.” to “Vlad A.”

      Changed Status to “Confirmed”

      Changed Status from “Confirmed” to “In progress”

      Changed Assigned To from “Vlad A.” to “Brian B.”

      Changed Status from “In progress” to “Fixed”

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