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- The GUS Programmer's Digest Wednesday, 14 June 1995 Volume 20 : Number 008
-
- Today's Topics:
- Simultaneous record/play looping problem
- RE: Simultaneous record/play looping problem
-
- Standard Info:
- - Meta-info about the GUS can be found at the end of the Digest.
- - Before you ask a question, please READ THE FAQ.
-
- ----------------------------------------------------------------------
-
- From: houghton@WHIRL.SPEECH.CS.CMU.EDU
- Date: Tue, 13 Jun 95 15:27:28 EDT
- Subject: Simultaneous record/play looping problem
-
- With some help from Mike Lewis on the recording portion, last night I
- was able to successfully record and play simultaneously under Windows.
- However, the output of the DAC was fed into the input of the ADC.
- This makes my task impossible as I need to play a calibration tone and
- record the signal level at the microphone position.
-
- I have the reference sheets for the chipset and I know it is supposed
- to be possible to turn off this feature, however it is possible that
- Gravis hardwired this. (Why I don't know.) Before I purchased this
- card Gravis suggested that it was possible to turn this off, however
- I've seen several things from net folks that suggests in fact the
- opposite.
-
- Can any one confirm one or the other?
-
- Thanks,
-
- Ricky.houghton@cs.cmu.edu
-
-
-
- ------------------------------
-
- From: Chris James <JAMESC@mail.medoto.unimelb.edu.au>
- Date: Wed, 14 Jun 1995 11:03:00 -0700 (PDT)
- Subject: RE: Simultaneous record/play looping problem
-
- > With some help from Mike Lewis on the recording portion, last night I
- >was able to successfully record and play simultaneously under Windows.
- >However, the output of the DAC was fed into the input of the ADC.
-
- I think it depends on which GUS you have, i.e. which mixer. With the MAX you
- can select the recording source in windows in the mixer program. Look under
- the control menu for recording source (or voice source). One can choose Line
- In, mic etc. The downside with this is that there is only the recording gain
- control to then control the input level (since it doesn't go through the
- mixer proper just the rec. mux) and this has produces some offset problems
- when gain!=0dB. I posted a "soothe" for this problem a few weeks back
- (didn't get any comments though). If you're using a standard GUS there are
- some mixer diagrams in the SDK to look at, my guess is the later versions
- should allow you to select a separate recording source rather than the
- default; output from the mixer. Also, you'll want to mute the Line In so
- that it doesn't go through the mixer too. BTW I'd be interested in the
- application of this... ...maybe some direct email?
-
- Chris James
-
-
- ------------------------------
-
- End of The GUS Programmer's Digest V20 #8
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