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1992-08-19
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/************************************************************************
*
* LongPlay is FreeWare, written in 1992 by Joe Tatman. Please feel free
* to distribute this program.
*
* If you have comments, questions, suggestions, or bug reports, please
* write to me at the following address:
*
* Joe Tatman
* CSE DIV. USS BELLEAU WOOD
* FPO AP 96623-1610
*
*
***********************************************************************/
LongPlay is an IFF sound sample player. It is a little different from most
players, however, in that it reads from the hard drive as it plays. This
allows you to use IFF sound samples which are limited in length only by
the size of your hard drive. This program will work on a stock 68000
machine, but you should have a hard drive.
This program may be used from the CLI or workbench.
To use it from the CLI type 'longplay <options> <soundfile>'.
The options are as follows :
-S<speed> -- Allows you to give the speed in samples/second for
playback.
-B<buffer size> -- Set the chip ram buffer size for reading. The default
size is 50K. Monoral samples use two buffers, and
stereo samples use four. I recommend not changing
this value unless you are getting out of memory
errors. (Keeping the number this high greatly reduces
the number of reads from the hard drive, and improves
speed significantly).
-F -- Turn off the high frequency filter.
The default is on.
-M -- Force MONORAL mode. This allows you to play a stereo
sample as if it were monoral, improving access speed
greatly.
To use this program from the Workbench, find the Project icon created by
your sampler, click on it and select "INFO" from the Workbench menu.
Click in the "default tooltypes" box, and type 'longplay'. Save your
changes. Make sure longplay is in your c: directory. Then just double-click
the icon when you want to hear your favorite song.
It is also possible to use options from the workbench. To do this, click
on the icon, select "info" from the workbench menu, and then in the icon
tooltype listing add one or more of the following:
NOFILTER -- Turns off the high frequency filter. On by default.
MONO -- Force Monoral mode. Note that this only affects stereo
samples.
SPEED=<speed> -- Specify your own playback speed in samples/second.
BUFFER=<size> -- Specify your own buffer size. The default is 50K.
I have found this value to be about optimum, and
don't recommend changing it unless necessary.
One note here: mono samples use two buffers, and
stereo samples use four buffers.
I am also including with this program another program called
'joinsounds'. This program is used to combine two IFF files into a single
file, allowing you to sample a song one piece at a time, and then join them
into a single sample. See the joinsounds readme file for more information.
I wrote this program because shortly after buying a sound sampler, I
discovered the limitations of memory on my sampling ability. I thought
it might be cool to be able to record a whole song, but the memory
requirements were a little bit beyond my reach. Since there were no
programs like this out there (that I know of), I decided to write one
myself. If you would like to see some variation on what I have done here,
let me know and I will see what I can do.
This program is my very first public domain program for the Amiga, and I
hope you like it. If you do, please let me know. I would also be happy
to send you any updates, as long as you send me a few dollars to cover
the disk and the postage costs.