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SOX: Sound Tools Installation

September 30, 1998

The sox program is just a batch utility that reads & writes
files.  It's very easy to port to new computers.

This distribution will compile and run on most Unix systems.
It was originally developed on a Unix/386 machine running AT&T V.3.2
but it currently developed under Linux.  With little work it should
work with most SVR4 systems, BSD-derived Unixes and DOS systems that
use the GNU toolsets.

Sox supports the following operating systems.  Use the listed
Makefile when compiling.

    AMIGA      Makefile.ami
    DOS        Makefile.bor (Borland and Turbo C, almost Microsoft C)
    OS/2       MakeOS2 & MakeOS2.dep  (Makefiles are outdated)
    OS9        Makefile.os9
    UNIX       Makefile.unx (or DOS or OS/2 with gcc)
    Win NT     sox.nt (Makefile is outdated)
    VMS        descrip.mms (Makefile is outdated.  Read vms.lis)

You can run the makefile on most systems by using the following
command line:

make -f Makefile.name      or
make -fmakefile.name

Before compiling you will need to edit the Makfile and uncomment 
the compiler define section related to your operating system
and possibly comment out any previous system defines.

There are a few additional defines available for your operating 
system to add things such as sound playing support.  This is 
generally documented in the Makefiles.  Look at Makefile.unx for
the most complete set of optional defines that Sox supports.

After successfully compiling SOX, try translating a sound file.
If you can play one of the supported sound file formats,
translate 'monkey.voc' to your format (we'll use 'xxx'):

	sox monkey.voc monkey.xxx

You may have to give the word size and rate for the file.
For example, this command will make a sound file with a data rate of
12,500 samples per second and the data formatted as signed shorts:

	sox monkey.voc -r 12500 -s -w monkey.xxx 

If monkey.xxx plays properly (it's a very short monkey screech),
congratulations!  SOX works.  Now you should run the 'tests.sh'
shell script to exercise various test scenarios.  It should
print nothing out.  You can only run this script under Unix.
It shows alternate uses of the (far too) many options to sox.
After that, 'testall.sh' tests most of the implemented file
handlers to make sure that some portability issue hasn't popped up.

After compiling under Unix, run 'tests.sh'.  It should print nothing.  
This indicates that data is copied correctly.  By reading the tests
you may see how to make a sound sample file which you can play.
'monkey.au' and 'monkey.voc' are a short lo-fi monkey screech
in two supported file formats, to help you ensure that Sound 
Tools works.  Note: 'tests.sh' works only under the Unix sh(1) 
shell.  Use 'tests.com' under VMS.

After testing with a sound file, try compiling sox with the
optimizer (-O instead of -g).  It should run a little faster.

If you're processing lots of u-law or a-law files, you should
turn on FAST_ULAW_COMPRESSION or FAST_ALAW_COMPRESSION in libst.h.
These substitute a table-based method for the standard method.
The tables are 32K, so if you don't want them, you don't have to
use them.