high pitched noise on my 60 samples...

i've had my 60 for several months now and only until recently did i start speeding up my samples (to increase sample time). when i tune down the samples on my mpc as i tune it more and more down a high pitched noise becomes more noticeable on the sample playback. when i sample records at 33 1/3 though i don't notice this noise. does anyone else have this problem and if so what is my deal? as it is i guess i should just be satisfied with the 26 seconds of sampling time but it would help if i could figure this out. my turntables etc. are grounded so i'm not really sure what the deal is.

Welcome to aliasing, sit, and enjoy!

Yeah, it's a digital atrefact that happens cuz of the low sample rate, you get it less than in other 12 bit samplers (the emax adds a heap of this stuff, but it's one of my favorite features cuz it always sounds cool

When you speed up the record the signal is more high frequency, which is what the low sample rate is least equipped to handel, and has more information than it can handle, so you hear the inaccuracies more at pitch extremes.

try and do 45 for low sounds. anything very high frequency sample at 33. unless you like the way the aliasing sounds with that sample.

damn el, this guy has answers to everything

Heh, I like good questions. They deserve good answers.

good lookin with that reply. wasn't exactly what i wanted to hear but at least i know that my mpc is not buggin out. gonna try to do what you said with the low frequencies and see if it's not as bad. i'll stick to sampling the higher frequencies on 33. thx.

peezie wrote:damn el, this guy has answers to everything

el is one of the most on point cats on this forum.

i really started to enjoy bitcrushing/ring-modulating/'whatever the hell u wanna call it' sound once i started filtering em a bit...
getting rid of the top end that was too edgy for the mix, and then u can really get the lo-fi goodness

yeah, if you don't like it, running that sound out to a mixer through the 8 outs and turning down the hi eq can get rid of it, but that is the basics of it. If you mess with it enough you can understand it and use it to good effect.

Thanks Binger, that mean a lot coming from a moderator