[sdiy] converting data to audio... (WAY OT, sorry)
Jaco Sloof
jacosloof at yahoo.com
Wed Jan 2 21:42:42 CET 2002
Greetings DIYers,
JUst in case you're the fast "check-ot-and-delete-if"-mail reader,
then click delete now...
else? here's the lineup of the problem at hand...
I have an MD-player (minidisk) and i heard that a 80 minute MD
can hold up to 180 MB of uncompressed data (that is, NOT screwed up b
the atrac3-algorythm).
I also have LOTSA stuff on my computer (ea: e-mail, and
musicprograms)
that i want to save to this MD using ehh, i dunno...
What i have done so far:
1.0 --> made nifty little program (qbasic.exe v1.1 , the 1 that came
with dos 6.22) that takes file (zip/ace/arj/rar/whatever)
and converts/saves this into a ASCII7-file (that is, 1 character in
file is 7bit,thus readeable)
2.0 --> made routine to convert "any" 0-127 bitvalue (ea ascii7
character) to a frequency, and beep it thru the PC-speaker using
SOUND freq%, durationinclockticks%: SOUND fixedbeep%, halfsecond%
(any basicker (spell check?) knows what im talking about now)
so the sound sequence consists of:
2.1 a frequency containing 1 character out of the file...
2.2 short pause...
2.3 a fixed frequency (beep) as a separator, to indicate that a new
character is coming, or has came...
ok, so i put the bleeps of whatever.zip) on MD...
how can i retrieve the data that is on MD?
(yes i have a soundcard, with a good line-in)
i am willing to deviate from the basic, just as long as i wont be
needing to learn an entire new programming language to do so...
Tbasic is as far as i go (thats no big deviance right..., sorry)
any help is appreciated, so thanx in advance...
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