Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
- Subject: Bassless audio input (high pass filter?) - fixed by launching Jamup first! Why?
- From: Michael Tyson <email@hidden>
- Date: Wed, 16 Jan 2013 08:43:40 +1100
Hello,
A user of my live-looping iOS app reported something bewildering to me recently: He's just replaced his 4th-gen iPod Touch with the new iPod Touch, and suddenly, his bass response when using my app (and many others, apparently) with a number of different external analog audio interfaces (including the iRig) has vanished.
Exhibit A, bass present: http://cl.ly/3j261Z0H2v2U
Exhibit B, bass gone: http://cl.ly/1t3z0s0P0208
Most bizarre, though, is this: He's discovered that if he launches JamUp, the guitar effects processor, before launching my app (and all the other apps that exhibit this same issue), the bass returns.
Conversely, if he launches my app, then launches JamUp, JamUp too experiences the no-bass issue.
Note that this is entirely separate from Audiobus - he's not using it at all in this context.
I've spoken with the JamUp guys and they're just as baffled as I am.
Does anyone have any theories as to why this is happening, and what might be done about it? Anyone else noticing it too?
Cheers,
Michael
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