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Going from Beatmixing to real speed

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  • September 27, 2014 at 2:36 pm #2064221
    DJ Vintage
    Moderator

    hmmm .. you sure you have keylock on? The vocals should sound fine after beatmatching.

    Unless …

    a) you have keylock off
    and/or
    b) you are going outside the 3% scope

    In all other cases, with keylock on the vocals sound exactly the same as at the original speed, just a tad faster/slower. The crowd most likely won’t notice.

    September 29, 2014 at 1:00 am #2064551
    deathy
    Participant

    Even more than 3% of speed difference with keylock on will be recognizable as fast, but not necessarily sound bad.

    September 29, 2014 at 8:52 am #2064661
    DJ Vintage
    Moderator

    Hence the 3% 🙂

    September 29, 2014 at 10:03 am #2064712
    Pete Lindemann
    Participant

    Yeah no Keylock was the problem BIG THANKS for that advise ..know it was something small i missed out on..yeah some tracks sound a bit bit fast still ..yeah over 3 percent

    September 29, 2014 at 11:54 am #2064741
    DJ Vintage
    Moderator

    Glad you tackled it.

    General consensus is that 3% difference is about the norm for beatmatching without audible consequences (there is also more CPU power needed when you speed up/slow down a track more and artefacts can appear, which are audible).

    So unless it’s for creative purposes, staying under 3% is good practice.

    Just my two cents.

    September 29, 2014 at 12:31 pm #2064821
    deathy
    Participant

    I also find that speeding up can still sound better to much higher speeds than slowing down (with keylock on, of course). Some tracks, 18-20% increase in speed sound just fine, but a drop of more than 8% sounds terrible to me… too draggy.

    September 30, 2014 at 1:41 am #2065071
    Tuomas Helander
    Participant

    Thats because when speeding up, the SW just cuts bits and pieces out of the audio, when slowing down, it has to fill those gaps… with what?

    September 30, 2014 at 2:43 am #2065111
    deathy
    Participant

    Well, that’s simplifying it a lot… I know how to write the algorithm, it’s not just cutting bits out, that would make for a god awful noise as you would have random jumping around in the sample, and when you expand it you DO have content to fill with – it’s tricky, but it’s actually not about the algorithm, it’s just about the way it sounds – slowing down too much just has a draggy feel to it.

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