Pitch Correction is great, BUT......

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chunkdz
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Pitch Correction is great, BUT......

Post by chunkdz »

Just tried pitch correction for the first time. AMAZING!

Then I tried it on a track with fades on the soundbites. Uggh. Everytime I tweak the pitch it has to recalculate and redraw the fade. I was cruising along, and then it felt like somebody threw an anchor off the starboard side.

Is this a bug or a feature??
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magicd
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Post by magicd »

Fades and cross fades are small pieces of audio. If you make changes to the soundbite in terms of pitch automation, any fades associated with that soundbite will need to be recalculated.

I recommend that you merge the soundbites before you do pitch automation. The merge will print the fades to the soundbites and you won't need any recalculation as you do the pitch automation.

I also merge soundbites after I do any pitch automation, so those changes are also printed to the soundfile.

Dave
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chunkdz
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Post by chunkdz »

Thanks MagicDave,

Sounds like it's a feature then. You'd think if the change doesn't affect the fade that the fade could just be buffered somewhere and instantly recalled.

Pretty lame feature IMHO.
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toodamnhip
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Post by toodamnhip »

magicd wrote:Fades and cross fades are small pieces of audio. If you make changes to the soundbite in terms of pitch automation, any fades associated with that soundbite will need to be recalculated.

I recommend that you merge the soundbites before you do pitch automation. The merge will print the fades to the soundbites and you won't need any recalculation as you do the pitch automation.

I also merge soundbites after I do any pitch automation, so those changes are also printed to the soundfile.

Dave
Dave, it has been a long awaiting request that DP somehow be able to handles fade calculation without glitching if one presses play too early.... Do you think DP will ever be able to operate as Pro Tools ..i.e.,,no glitching or delay waiting for fade calculations? Even Pro Tools LE does fades without glitching and waiting for calculations so it has to be a software code issue as LE uses native power just like DP.

Also, I find myself reluctant to merge pitch edits til the last second for fear of doubling the artifacts of pitch correction should I change my mind later and pitch that area again.
Thus, though your idea of merging is a good one and also avoids the problem of the pitch correction being unstable when processor load gets high,but it is unfortunately not a perfect solution..though a good idea as soon as one is truly confident of their pitch corrections
Last edited by toodamnhip on Wed May 07, 2008 10:26 pm, edited 1 time in total.
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jlaudon
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Post by jlaudon »

I didn't realize that merging soundbites also 'merges' the pitch correction. This could definitely be handy.

It would be prudent to duplicate the take before merging the fades, then apply pitch correction, duplicate again, then merge the pitch correction.
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OldTimey
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Post by OldTimey »

if i ever use pitch correction (not often, but it's an insanely robust feature to have in DP. I will never buy Autotune or Melodyne, DP's is more than enough for me) I ALWAYS create a NEW DUPLICATE take of whatever I am working on, Merge the soundbite to print fades, make my pitch corrections and Merge it again. I don't trust the realtime playback of pitch corrected soundbites in DP. Just merge them. If you do it to a duplicate take (call it Take 1-PC or whatever) then you can always go back to the original...
why would i want to skin a cat?
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96khz
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Post by 96khz »

toodamnhip wrote:Dave, it has been a long awaiting request that DP somehow be able to handles fade calculation without glitching if one presses play too early.... Do you think DP will ever be able to operate as Pro Tools ..i.e.,,no glitching or delay waiting for fade calculations? Even Pro Tools LE does fades without glitching and waiting for calculations so it has to be a software code issue as LE uses native power just like DP.
I guess the Fades audio files is something a little dated. I can understand the need to pre-render to a file the fade ins/outs in the first versions of DP, where computers didn't have much computational horse-power, but right now it is just completely unnecessary to do it.

If DP doesn't need to pre-render to a file:
- track level automation
- soundbite based automation
- virtual instruments, audio processing, etc...

then I guess it's just a case of implementation priorities and not wanting to update the Audio Fades functionality to make it run in realtime, as it should...
Technically, its just another layer of level attenuation... audio fades, soundbite level, channel level. In my opinion, Motu should have changed the audio fade's behaviour and make it realtime when they introduced the soundbite's level functionality.
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toodamnhip
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Post by toodamnhip »

96khz wrote:
toodamnhip wrote:Dave, it has been a long awaiting request that DP somehow be able to handles fade calculation without glitching if one presses play too early.... Do you think DP will ever be able to operate as Pro Tools ..i.e.,,no glitching or delay waiting for fade calculations? Even Pro Tools LE does fades without glitching and waiting for calculations so it has to be a software code issue as LE uses native power just like DP.
I guess the Fades audio files is something a little dated. I can understand the need to pre-render to a file the fade ins/outs in the first versions of DP, where computers didn't have much computational horse-power, but right now it is just completely unnecessary to do it.

If DP doesn't need to pre-render to a file:
- track level automation
- soundbite based automation
- virtual instruments, audio processing, etc...

then I guess it's just a case of implementation priorities and not wanting to update the Audio Fades functionality to make it run in realtime, as it should...
Technically, its just another layer of level attenuation... audio fades, soundbite level, channel level. In my opinion, Motu should have changed the audio fade's behaviour and make it realtime when they introduced the soundbite's level functionality.
There are times when the time it takes to render fades makes working in DP impossible...

When I am deep into comping a vocal and need to compare subtle differences in a word..and I have to wait 4-5 sec for the rendering..it really really..I mean REALLY sucks...

2 days ago I had the thought that this lack of ability in DP actually makes DP useless to me in certain circumstances....

I mean..do I have to import the darn vocal into Pro Tools LE to do my comping?

That would be ridiculous! There are so many wonderful DP features..this fade rendering kills it at times..
Magic Dave might say, well, merge the fades as you go..but damn..that's what I am experimenting with..where the fade sounds best, what line it works on etc..I cannot merge it until I know where the heck it sounds best and on what take...but yet i cant figure it out because the merge tales too long to work fast enough to really hear what I need to hear..ouch..help!!
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Matcher
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Post by Matcher »

toodamnhip wrote: Magic Dave might say, well, merge the fades as you go..but damn..that's what I am experimenting with..where the fade sounds best, what line it works on etc..I cannot merge it until I know where the heck it sounds best and on what take...but yet i cant figure it out because the merge tales too long to work fast enough to really hear what I need to hear..ouch..help!!
Yes, if this isn't fixed in DP6 I'd be surprised. The handling of the fades is related to a lot of crashes too, so as 96khz said, the functionality needs to be brought up to date.
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