Re: Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
Re: Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
- Subject: Re: Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
- From: Michael Tyson <email@hidden>
- Date: Thu, 17 Jan 2013 08:47:57 +1100
Cheers Ross! I'm increasing getting that impression, too. I wonder if it might have something to do with kAudioSessionProperty_OverrideCategoryDefaultToSpeaker... Have contacted the JamUp guys to ask, but they're flat-out with NAMM prep, I think.
On 16 Jan 2013, at 10:07, Ross Bencina <email@hidden> wrote:
> On 16/01/2013 8:43 AM, Michael Tyson wrote:
> > Does anyone have any theories as to why this is happening
>
> Wild guess:
>
> A different post-processing algorithm is being applied by Apple code in each case. It's pretty standard for them to insert all kinds of stuff between your app and the DAC (same for ADC). This happens on the desktop when you plug/unplug headphones for example.
>
> Maybe there's something different with the audio session configuration or entitlements in your app and JamUp that's causing different processing to be switched in. I would try to get that info from JamUp and compare it to yours -- or try some different profiles.
>
> Ross.
>
>
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