Pitch compensation on speed effect doesn't seem to work

Alistair Riddoch alriddoch at googlemail.com
Sat Feb 15 18:46:43 GMT 2020


Thanks for the suggestions! I eventually got it working.

Thanks so much for this feature, which will really speed up my editing
process.

Al

On Sat, 15 Feb 2020 at 16:28, farid abdelnour <snd.noise at gmail.com> wrote:

> Do note that the fftw renaming is not necessary on Arch based systems
> though. Just install rubberband, vamp-plugin-sdk and ladspa, then compile
> mlt from git master...
>
> Em sáb., 15 de fev. de 2020 às 13:06, Eugen Mohr <eugen.mohr at gmx.net>
> escreveu:
>
>> Hello
>>
>> The rubberband lib integration into MLT is not proper done so far. You
>> have to manually do the following:
>>
>> lib/pkgconfig/fftw.pc rename to fftw3.pc
>>
>> compile rubberband
>>
>> compile vamp-plugin-sdk
>>
>> compile ladspa-sdk
>>
>> On the end compile and merge MLT again. This should enable rubberband in
>> MLT which will handle the pitch compensation.
>>
>> Or you wait until the rubberband integration is done correctly.
>>
>>
>> Am 15.02.2020 um 16:02 schrieb Alistair Riddoch:
>>
>> I was really happy to see this commit a couple of days ago:
>>
>> 402c251eae642ff3352bb4b8895ee882503eddfc
>> Add pitch compensation to speed effect (requires MLT git)
>>
>> My videos depend on having pitch compensated audio for time accelerated
>> video, and the only way I've been able to do it is by exporting the audio,
>> and modifying the tempo in Audacity. I'm really thankful this has been
>> added, but I don't seem to be able to get it to work. The audio pitch is
>> not affected by the setting.
>>
>> I've rebuilt mlt from git master, verifying
>> that bmatherly/pitch_compensate is included.
>> I've rebuilt kdenlive from git master, completely from a clean tree.
>>
>> What could I be missing, and what more information is needed to work out
>> why?
>>
>> Al
>> --
>> Alistair Riddoch
>> alriddoch at googlemail.com
>> http://alistairriddoch.org/
>>
>>
>
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-- 
Alistair Riddoch
alriddoch at googlemail.com
http://alistairriddoch.org/
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