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Re: iPad 4 safari bug?

From: Chris Wilson <cwilso@google.com>
Date: Thu, 9 Oct 2014 10:44:04 -0700
Message-ID: <CAJK2wqXBmhYpuN_WW+ReMY_7a+ASPz-0k-72byJ_qkXb5pqDJg@mail.gmail.com>
To: Morgan Packard <morgan@morganpackard.com>
Cc: Joseph Berkovitz <joe@noteflight.com>, "public-audio-dev@w3.org" <public-audio-dev@w3.org>
Hmm.  They're all running iOS8.

On Thu, Oct 9, 2014 at 10:31 AM, Morgan Packard <morgan@morganpackard.com>
wrote:

> Thanks Chris,
> I guess that's good news for me. Are these devices running iOS 7 or 8? My
> iPad4 is running 7.
> Have any of you heard of similar issues on other browsers? Or is iPad 4
> iOS 7 Safari the only browser anyone's aware of that plays out of tune.
> thanks,
> -Morgan
>
> On Thu, Oct 9, 2014 at 12:48 PM, Chris Wilson <cwilso@google.com> wrote:
>
>> Strangely, I can't seem to repro this on an iPad Air, an iPad 2 or an
>> iPad Mini Retina (which should be close to an iPad 4).
>>
>> On Thu, Oct 9, 2014 at 9:43 AM, Joseph Berkovitz <joe@noteflight.com>
>> wrote:
>>
>>> 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
>>>
>>>
>>>
>>>
>>
>
>
> --
> ===============
> Morgan Packard
> cell: (720) 891-0122
> twitter: @morganpackard
>
Received on Thursday, 9 October 2014 17:44:32 UTC

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