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- Newsgroups: comp.sys.sgi
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!usc!sol.ctr.columbia.edu!destroyer!news.iastate.edu!bryan
- From: bryan@pi.eai.iastate.edu (Bryan Manske)
- Subject: Re: Audio Questions
- Message-ID: <1992Jul26.220045.8227@news.iastate.edu>
- Sender: news@news.iastate.edu (USENET News System)
- Reply-To: bryan@pi.eai.iastate.edu (Bryan Manske)
- Organization: EAI, Iowa State University, Ames, IA
- References: <1992Jul25.163827.22304@news.iastate.edu> <nobregg@zuni.esd.sgi.com>
- Distribution: na
- Date: Sun, 26 Jul 1992 22:00:45 GMT
- Lines: 37
-
- In article <nobregg@zuni.esd.sgi.com> olson@anchor.esd.sgi.com (Dave Olson) writes:
- >In <1992Jul25.163827.22304@news.iastate.edu> bryan@pi.eai.iastate.edu (Bryan Manske) writes:
- >| Two quick questions about audio for one of our programmers.
- >|
- >| 1. How do you set the default audio gain level in hardware on
- >| a 35 or indigo? (nvram parameter?)
- >
- >"nvram volume xx" (xx is 0-255) from irix, or "setenv volume xx"
- >in the PROM monitor.
-
- Been there, done that, didn't work. (nvram: no variable named "volume".)
-
- >| 2. Exactly how do the gain slots (0-255) map to real world db values?
- >| (linear relationship?)
- >
- >Can't help on that one, perhaps one of the audio guys can help.
- >
- >| And, I guess, a question from me. I'm assuming 8-bit samples.
- >| Is this correct?
- >
- >8 bit samples for what? The hardware uses 16 bit samples for
- >the digital audio.
-
- Okay, yeah, well, 8 bits per sample per channel then for stereo
- and 16 per sample for monaural. Is that right?
-
-
- Thanks Dave, Your a God.
-
-
-
- --
- Bryan Manske (515) 296-9908 .
- Engineering Animation, Inc. . "Programmer terminated
- bryan@pi.eai.iastate.edu . at users request."
- #include <caveat_opinion.h> .
- #include <standard_disclaimer.h> . Dave S.
-