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Network Audio System (NAS)
Frequently Asked Questions
$Date: 2004-11-14 15:50:23 -0700 (Sun, 14 Nov 2004) $
This file contains a list of frequently asked questions about the
Network Audio System (NAS). If there's a question you'd like to see
included in this list, please send mail to nas-faq@radscan.com.
------------------------------------------------------------------------
0.0) About this document
0.1) Submitting FAQ entries
0.2) Getting the most recent version of this FAQ
1.0) General
1.1) What is the Network Audio System?
1.2) Where can I get it?
1.3) Is there a mailing list?
4.0) Common Issues
4.1) When I try to start nasd, I get an error 'could not create
audio connection block info'.
4.2) I'm having problems getting the NAS clients to work with my
NCD X terminal.
------------------------------------------------------------------------
0.0) About this document
0.1) Submitting FAQ entries
If you have a FAQ item you would like to submit for inclusion
into this document, please send it to nas-faq@radscan.com.
0.2) Getting the most recent version of this FAQ
The most recent version of this document can be found on:
http://radscan.com/nas/FAQ
1.0) General
1.1) What is the Network Audio System?
In a nutshell, NAS is the audio equivalent of an X display
server.
The Network Audio System (NAS) was developed by NCD for playing,
recording, and manipulating audio data over a network. Like the
X Window System, it uses the client/server model to separate
applications from the specific drivers that control audio input
and output devices.
Key features of the Network Audio System include:
o Device-independent audio over the network
o Lots of audio file and data formats
o Can store sounds in server for rapid replay
o Extensive mixing, separating, and manipulation of audio data
o Simultaneous use of audio devices by multiple applications
o Use by a growing number of ISVs
o Small size
o Free! No obnoxious licensing terms
1.2) Where can I get it?
The latest stable and development releases of NAS can be obtained
from:
http://radscan.com/nas.html
1.3) Is there a mailing list?
Yes. nas@radscan.com is a low volume mailing list for general
discussion of the Network Audio System. Send a message to
majordomo@radscan.com with a line in the body containing the
folowing text:
subscribe nas <your email address>
The archives for this list can be found at:
http://radscan.com/nas/nas-ml/
4.0) Common Issues
4.1) When I try to start nasd, I get an error 'could not create
audio connection block info'.
This error can be cuased by a variety of reasons - usually
related to some error occuring during the opening of the audio
device.
To find out what might have really gone wrong, run nasd with the
'-d <n>' (debugging) and '-v' (verbose) options to get more
information as to the real problem. For example:
nasd -v -d 99
4.2) I'm having problems getting the NAS clients to work with my
NCD X terminal.
Some NCD X terminal models running NCDware 3.0.1 or greater
support NCDaudio, NCD's X terminal implementation of the Network
Audio System. Audio clients shipped with a particular NCDware
release should function correctly with that release. However,
the NAS protocol changed slightly after the release of NCDware
3.0.1, making newer clients incompatible with older servers. NAS
clients should function correctly with NCDware
3.1 or greater. Please contact support@ncd.com if you have
further questions about NAS on NCD products.
[NOTE: I do not believe NCD actually provides any support for NAS
on their X terminals anymore.]
----------------------------------------------------------------------
$Id: FAQ 145 2004-11-14 22:50:23Z jon $
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