ftp.nice.ch/pub/next/unix/audio/Srconv.README

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Srconv
======

Srconv, a sampling rate conversion program by J. Laroche. January 1992
Version 3.0

Added to 1.0: additional useful features for converting to or from binary 
files (no header), selecting right or left channel, swaping octects for 
compatibility with PCs and DEC machines...
Also, "fixed" a problem with large factor conversions (when the cut-off
frequency gets negative!)

Added to 2.0: DMA to DSP. The transfer is now faster and doesn't block
the NeXT while doing the conversion (like 1.0 and 2.0 used to). Also added:
conversion from stereo to mix, choice of filter length according to the
sampling rate conversion (when playing), general optimizing and rewriting.
The DSP file is now loaded from the Mach_O segment: srconv will work 
anywhere.
When reading from a binary file, the file is mapped into memory, so the 
access is faster, and playing starts almost as soon as you hit return.

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.