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SGI audio Frequently Asked Questions (FAQ)

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    SGI audio Frequently Asked Questions (FAQ)

This is one of the Silicon Graphics FAQ series, which consists of:

    SGI admin FAQ - IRIX system administration
    SGI apps FAQ - Applications and miscellaneous programming
    SGI audio FAQ - Audio applications and programming
    SGI diffs FAQ - Changes to the other FAQs since the last posting
    SGI graphics FAQ - Graphics and user environment customization
    SGI hardware FAQ - Hardware
    SGI impressario FAQ - IRIS Impressario
    SGI inventor FAQ - IRIS Inventor
    SGI misc FAQ - Introduction & miscellaneous information
    SGI movie FAQ - Movies
    SGI performer FAQ - IRIS Performer
    SGI pointer FAQ - Pointer to the other FAQs
    SGI security FAQ - IRIX security

Read the misc FAQ for information about the FAQs themselves. Each FAQ is
posted to comp.sys.sgi.misc and to the  and 
newsgroups (whose purpose is to store FAQs) twice per month. If you
can't find one of the FAQs with your news program, you can get it from

    ftp://viz.tamu.edu/pub/sgi/faq/
    ftp://rtfm.mit.edu/pub/usenet/news.answers/sgi/faq/

(rtfm.mit.edu is home to many other FAQs and informational documents,
and is a good place to look if you can't find an answer here.) The FAQs
are on the World Wide Web at

    http://www-viz.tamu.edu/~sgi-faq/

If you can't use FTP or WWW, send mail to mail-server@rtfm.mit.edu with
the word 'help' on a line by itself in the text, and it will send you a
document describing how to get files from rtfm.mit.edu by mail. Send the
command 'send usenet/news.answers/sgi/faq/misc' to get the SGI misc FAQ,
and similarly for the other FAQs. Send the command 'send
usenet/news.answers/internet-services/access-via-email' to get the
"Accessing the Internet by E-Mail FAQ".

You may distribute the SGI FAQs freely and we encourage you to do so.
However, you must keep them intact, including headers and this notice,
and you must not charge for or profit from them. Contact us for other
arrangements. We can't be responsible for copies of the SGI FAQs at
sites which we do not control, and copies published on paper or CD-ROM
are certain to be out of date. The contents are accurate as far as we
know, but the usual disclaimers apply. Send additions and changes to
sgi-faq@viz.tamu.edu.

Topics covered in this FAQ:
---------------------------
   -1- How do I program the Motorola 56000 DSP on the Indigo (R3K and
       R4K)?
   -2- How do I connect my stereo to my Ind{igo,igo2,y}?
   -3- How do I change the volume of the audio out the back of my
       machine?
   -4- Indigo2 speaker seems quieter than my Indigo. Am I imagining
       things?
   -5- I need to crank up the input gain on Indigo2 to use the
       microphone successfully. What's the scoop?
   -6- The glossy paper says that Indigo2 and Indy have 4-channel input
       and output. That sounds really cool. How do I use it?
   -7- Okay, so 4-channels of input and output is great, but I need
       more. Can I get more channels of audio for my machine?
   -8- Now that I have IRIX 5.2, I can't seem to find audio.h and
       libaudio.a in order to compile my audio code. What gives?
   -9- I like the boot tune, but it's just a bit too loud. How do I tone
       it down a bit?
  -10- How can I change the output speaker/headphone volume from a shell
       script?
  -11- What 3rd party audio solutions exist for Silicon Graphics
       machines?
  -12- I'd like to write my own audio programs. How do I get started?
  -13- How can I get the keyboard beep out line out/digital out on
       Indigo2?
  -14- How do I suppress the keyboard bell (which *does* come out the
       line out and digital output) on an Indy?
  -15- Why does /dev/audio not work on my Ind{y,igo2,igo}?
  -16- Where can I get a MOD player for SGI?
  -17- I need audio for my Onyx. What are the details?
  -18- Why does my floating point signal processing routine, when given
       certain inputs, run incredibly slowly and consume all of the CPU
       in _system_ or _interrupt_ time?
  -19- What are the audio features of SGI machines?

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Last Update March 27 2014 @ 02:12 PM