W3C home > Mailing lists > Public > public-audio-dev@w3.org > October 2014

Re: iPad 4 safari bug?

From: Joseph Berkovitz <joe@noteflight.com>
Date: Thu, 9 Oct 2014 12:43:19 -0400
Cc: public-audio-dev@w3.org
Message-Id: <43C99345-01AC-44E4-95EE-F600CA4FE64E@noteflight.com>
To: Morgan Packard <morgan@morganpackard.com>
Morgan,

This is a fine place to raise it, in case Apple folks are lurking, but to be sure you should also file a bug report at https://bugreport.apple.com/ so it’s in Apple’s system with the full repro instructions.

.            .       .    .  . ...Joe

Joe Berkovitz
President

Noteflight LLC
Boston, Mass.
phone: +1 978 314 6271
www.noteflight.com
"Your music, everywhere"

On Oct 8, 2014, at 6:14 PM, Morgan Packard <morgan@morganpackard.com> wrote:

> Hello,
> If this isn't the right place for my raising this issue, please let me know what is!
> I've discovered what appears to be a pretty significant bug on Safari on my iPad 4. The following dead-simple test code produces a tone almost a full step below what's expected.
> 
> 
>       var context = new webkitAudioContext();
>       var osc = context.createOscillator();
>       osc.connect(context.destination);
>       osc.frequency.value = 440;
>       osc.start(0);
> 
> Here's the code in a web page (note that it works on Safari only):
> http://www.morganpackard.com/webaudio_test/OscillatorTest.html
> 
> All browser/platform combinations I've tried produce the same pitch, except for Safari on iPad4 iOS 7.
> 
> Is this a known issue? If not, what's the best way to alert the Safari developers to it? 
> 
> thanks,
> 
> -Morgan
> 
> -- 
> ===============
> Morgan Packard
> cell: (720) 891-0122
> twitter: @morganpackard



Received on Thursday, 9 October 2014 16:43:43 UTC

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