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Which sounds better - when you bring from a higher tempo to a lower tempo or vice versa?
What option would you say sounds better when speeding up or slowing down an audio. Also, is there a limit?
- What do you think?3 votes
- Higher to lower?66.67%
- Lower to higher?33.33%
Comments
If you are referring to audio quality and not musical quality, then in theory going from slower to faster would be better as you are compressing the data and throwing some of it away, when going the other way, the stretching needs to make up data to go in the gaps that get created as it stretches....although most algorithms do a very good job and you'd only really notice when going from one extreme to another.
One trick a lot of sampler users use is to record their samples at double tempo, and then play them back at half speed, this actually gives you twice the storage on your sampler, so is better from a capacity perspective, but maybe slightly lower sound quality, but is the difference noticable ? I guess that depends on the actual sound involved and some will work better than others.
You forgot option #3: Yuck!
But seriously, that depends very much on the algorithm used and the type of source material. Some programs allow you to attempt to optimize the algorithm used to best fit the type of audio being adjusted.
Personally, just about any tempo adjustment, except on drums, bothers me. I can always hear the artifacts. Sometimes that's the sound people are going for, but it just bugs me. I can manage if it's buried in a mix though, but try to avoid listening to it solo so I don't walk away.
Interesting question though. I never thought about it directionally - just assumed it would be equally bad in either direction.