From:  Yura Zenevich <>
Date:  13 Nov 2015 05:13:04 Hong Kong Time

Re: Muting web audio when a screenreader is saying something


This would actually be very useful in Firefox OS context. The screen reader is practically unusable when media is playing within one of the apps. We were thinking that we would ideally want our screen reader to have its own audio channel that would always take precedence over other ones, but haven’t had a chance to look into it in more detail yet.


From: David Bolter 
Reply: David Bolter 
Date: November 12, 2015 at 4:08:07 PM
To: Alex ARNAUD 
CC: , Chris Mills 
Subject:  Re: Muting web audio when a screenreader is saying something  

I had the same thought and am waiting to hear back from the author of that  

On Thu, Nov 12, 2015 at 3:25 PM, Alex ARNAUD  wrote:  

> On 10/11/2015 17:52, Chris Mills wrote:  
>> I was wondering if it would be possible to write an addon that mutes (or  
>> at least reduces the volume of) audio coming from a webpage when a  
>> screenreader is saying something. Is there any kind of custom event we can  
>> use for this? I am guessing the answer might be no, as screenreaders tend  
>> to work on the OS level rather than the browser level, but I might be  
>> surprised.  
> In the new Firefox 42, it's possible with the mouse to stop sound from a  
> tab. Can you use the idea from there to implement some kind sound reduction  
> ?  
> Best regards.  
> --  
> Alex  
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