Slow down tempo without losing sound quality

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proton43
Posts: 4
Joined: Fri Oct 07, 2016 8:32 pm
Operating System: OS X 10.9 Mavericks

Slow down tempo without losing sound quality

Post by proton43 » Fri Oct 07, 2016 8:40 pm

Hello,
Probably this question is already answered, but I didn't find answers, so i keep looking.
Is there a way to slow down tempo (from my experience tempo change is speed change compensated with pitch change, right?) without getting distortion?
Do I miss something?

Thanks!
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Trebor
Posts: 9852
Joined: Sat Dec 27, 2008 5:22 pm
Operating System: Windows 8 or 8.1

Re: Slow down tempo without losing sound quality

Post by Trebor » Sat Oct 08, 2016 7:01 am

proton43 wrote:... Is there a way to slow down tempo (from my experience tempo change is speed change compensated with pitch change, right?) without getting distortion?
There are two native effects in Audacity which can change tempo without changing pitch :
Change Tempo & Sliding Time Scale / Pitch Shift.
Each effect adds a different type of distortion. IMO the second type is least offensive with music.
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proton43
Posts: 4
Joined: Fri Oct 07, 2016 8:32 pm
Operating System: OS X 10.9 Mavericks

Re: Slow down tempo without losing sound quality

Post by proton43 » Sat Oct 08, 2016 9:09 am

But there's totally no option of losslessly slowing down tempo?
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Gale Andrews
Quality Assurance
Posts: 41761
Joined: Fri Jul 27, 2007 12:02 am
Operating System: Windows 10

Re: Slow down tempo without losing sound quality

Post by Gale Andrews » Sat Oct 08, 2016 1:40 pm

proton43 wrote:But there's totally no option of losslessly slowing down tempo?
No because when you slow audio down, the laws of audio dictate that it *should* reduce pitch. If you don't slow down too much, Sliding Time Scale will not sound too bad.

Gale
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