ATT: Jeff Moore ~ Controlling Subwoofer ('05)
ATT: Jeff Moore ~ Controlling Subwoofer ('05)
- Subject: ATT: Jeff Moore ~ Controlling Subwoofer ('05)
- From: D Cootey <email@hidden>
- Date: Sat, 15 Jan 2005 14:25:49 -0700
Mr. Moore,
Last May you gave somebody the following advice when they were
discussing the problems they were having muting the iSub:
**begin**
There isn't an easy way to do this with either AMS or the Sound Prefs
Panel. But, if you build the HALLab app
(/Developer/Examples/CoreAudio/HAL/HALLab), in it's device info window,
in the "Controls" tab, there is a check box that allows you to tell the
built-in hardware (or USB device depending on your situation) not to
own the iSub. This will disassociate the two and the signal should stop
getting filtered.
On May 21, 2004, at 9:33 PM, Steve Gehrman wrote:
I have an iSub. When it's plugged in, the bass of the audio goes to the
iSub rather than the default output speakers. Sometimes I want to
disable the iSub, but I can't seem to do that. I have to unplug it
otherwise I don't get any bass in my speakers. Muting the iSub doesn't
make the bass go to the speakers either.
Is there a better way of disabling the iSub other than unplugging it?
-steve
<snip>
--
Jeff Moore
Core Audio
Apple
**end**
I am having the same problem, as is everybody who owns the iSub.
Muting the iSub in sys prefs doesn't return the bass to the main
speakers. Plugging in headphones doesn't mute the iSub or return the
bass to the headphones. I have an FM transmitter that I broadcast my
music with, but to get around this problem I installed a power cable to
the iSub that had an ON/OFF rotating switch (like those found on
lamps). This is a kludge, but works perfectly. I would like to run an
applescript via crontab every night that does the same thing but from
within OSX. I tried to follow your advice and compile HALLab but ran
into errors†. My C programming knowledge is 10 years rusty. I realize
that this might be going beyond the bounds of this mailing list, but if
you could help me I would greatly appreciate it. So far, your
suggestion, provided I can access it via applescript, is the best
software solutions I have found short of applescripting the plug on and
off with a Powerkey
(http://www.sophisticated.com/products/powerkey/pkp_650.html). I'd
rather not have to spend more money on the powerstrip than the
subwoofer if I can help it. ;)
Best regards,
Douglas Cootey
Elfin Artworks
†Error: HLDeviceWindowInfoController.mm:683: implicit declaration of
function `int getpid(...)'
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