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IDProjectCategoryView StatusLast Update
0007144ardourbugspublic2016-12-03 21:13
Reporterdanielsatyr Assigned Tox42  
Status confirmedResolutionopen 
PlatformApple MacintoshOSOS X (Generic)OS VersionMac OS 10.12.1
Product Version5.4 
Summary0007144: Ardour's Pitch Shift doesn't work
DescriptionI can't get any sound from a clip that I apply a pitch shift to. Watch the level meters in this clip.
TagsNo tags attached.



2016-11-28 11:37

administrator   ~0019083

I tried and cannot reproduce this (also using a stereo region with silence on the left track).

Could you zip + attach the session?

Either this is specific for this session (e.g. the guitar sound and/or region boundary) or it has meanwhile been fixed (I checked with 5.4-472, the DSP library has been updated since 5.4.0).


2016-12-03 20:58

reporter   ~0019107

this is the project:

I try to pitch shift the guitar and it never works.


2016-12-03 21:12

administrator   ~0019108

I see, in this case you're stretching or pitch-shifting a region that has previously been time stretched.

In that case Ardour goes back to the original source (to reduce artifacts) but the original source is no longer available (at least it's not included in the .zip)

I suppose Ardour should print a warning and use the current (already processed) region in this case.

Issue History

Date Modified Username Field Change
2016-11-26 10:19 danielsatyr New Issue
2016-11-28 11:37 x42 Note Added: 0019083
2016-12-03 20:58 danielsatyr Note Added: 0019107
2016-12-03 21:12 x42 Note Added: 0019108
2016-12-03 21:13 x42 Assigned To => x42
2016-12-03 21:13 x42 Status new => confirmed