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Knowledgebase: MyAcademicConnectionsLab

Video has no sound

Posted by Lester Holmes (US) on 10 November 2009 01:18 PM

Product(s): General
ISBN: --
Category: General
User Type: General
Item: Video has no sound

Problem:
When playing video within a product either from CD, network location or local hard disk the video appears to play correctly but without sound.

Cause:
An update for Flash Player has compromised the ability of the Flash Player plugin to properly render the audio channel of .flv format content.

Affects:
All delivery mechanisms of .flv (Flash video) content. This includes other sources of rich media content e.g. YouTube.

Solution:
You should uninstall Flash Player from the affected computer(s) and re-install the latest version.
Adobe recommend the use of the uninstaller from their website to ensure that all components correctly unregister (due to recent 'enhancements' to Flash Player):

1. Uninstall Flash Player:
http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_14157

2. Install latest Flash Player:
http://www.adobe.com/go/EN_US-H-GET-FLASH

Note: To successfully uninstall, any application that may be running Flash content (instant messaging, web browsers, email etc.) needs to be closed first.

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