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Converting LP's (78), speed problem

Posted: Sun Apr 13, 2008 6:06 am
by WAR
OK i followed all directions i think. loaded audacity.recorded, hit stop, hit select all and then went to effects and changed speed to 78. I have done this 30 times and it is not converting file. I am at a loss. I have windows xp pro,antivirus off.
tried everything. can someone enlighten me in Noobie terms how to do this. the file is wav and sounds like chip munks
will not convert from 33 to 78. only hhave 15 days to return this system if i cant get it to work, thanks! :?:

Re: Converting LP's (78), speed problem

Posted: Sun Apr 13, 2008 6:36 am
by steve
WAR wrote: the file is wav and sounds like chip munks
Back in the good ol' days when we had vinyl disks called records..... :)

OK, so we have 33 1/3 rpm for LP's, 45 rpm for singles, and 78 rpm for 78's
So a "45" should be played at 45 Rotations Per Minute.
A "78" should be played at 78 Rotations Per Minute (nearly twice as fast)

If we play a "78" record at 45 rpm, it will sound very slow and people will sound like mud monsters.

If you have a "78" record but you only have a record player that plays LP's and "45's" you will be stuck with a record that plays either "slow" (45 rpm) or "very slow"(33 1/3 rpm).

This is where Audacity comes to the rescue:
Record the slow ("78 record played at 45 rpm) record into Audacity
Ctrl + A (select all)
"Effects > Change Speed" - and select the speeds "from 45 to 78"
The track will now be "speed-ed up to 78 rpm"
Now play the track back and it will no longer sound slow, but will be quicker, and the pitch will go up and it will sound like a 78 record played at the correct speed.

Of course, if we started with a recording that was not slowed down, then we will have still sped it up and it will sound like chipmunks.

Re: Converting LP's (78), speed problem

Posted: Sun Apr 13, 2008 5:23 pm
by WAR
wow so all this time I have been trying to convert something that was already recorded at correct speed.
I feel silly. did not realize LP's were 33 rpm speed. sometimes directions only confuse me more LOLOLO
thanks :mrgreen: