Re: Noise in audiostream app when use the tabbar or tableview
Re: Noise in audiostream app when use the tabbar or tableview
- Subject: Re: Noise in audiostream app when use the tabbar or tableview
- From: Sasikumar JP <email@hidden>
- Date: Thu, 14 Jul 2011 05:48:27 +0530
Aran,
Thanks for the info. I will review the audio thread as you suggested.
Thanks
Sasikumar JP
Sent from my iPod
On 13 ஜூலை, 2011, at 3:40 am, Aran Mulholland <email@hidden> wrote:
> I have had similar problems such as these while pushing a navigation
> controller on the devices with less processing power. Is your audio
> thread sending messages to the UI? If so this can cause skipping if
> the UI thread is fully occupied and the audio thread is having to wait
> (depending on your messaging scheme). I removed all message sending
> from the audio thread and these problems went away. I also wonder how
> much work are you doing in your render callback, can it be made more
> efficient? Something is causing you to miss the deadline when the UI
> is receiving interaction on devices that have less processing power.
>
> Aran
>
> On Wed, Jul 13, 2011 at 4:08 AM, Kyle Sluder <email@hidden> wrote:
>> On Tue, Jul 12, 2011 at 9:32 AM, Sasikumar JP <email@hidden> wrote:
>>> Hi,
>>> I have developed an audio stream player using audio unit API. There is no issue with audio playback. My application has multiple tabs and multiple table views. When i switch from one tab to other tab or while scrolling the table view, i am hearing some extra noise. Otherwise audio playback is fine. I am hearing this noise only with my iPod touch 2nd generation device. I don't see any issue with iPad 2.
>>>
>>> Can anyone guide me what could be the problem.
>>>
>>> If there is any issue with the code, I should hear the noise in all the devices. But the noise is generated only with ipod device and also when I use the tabs or table views.
>>
>> This isn't necessarily true. There's probably something wrong about
>> your code that only manifests itself as a problem on iPods.
>>
>> The only way to find out is for you to actually post your source code.
>>
>> --Kyle Sluder
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