[Ardour-Users] automatable tape-recorder like playback speed?

[Ed Ward]

Mmm, I think there is a bug here :

No matter what you type in the "percent" field, the stretching will use the mouse to choose the new pitch.

That is : if you drag the right part of the region to twice the original size, the frequency will be divided by 2 (which is what we want in this case, could you try that ?
If you just click the region and edit the "percent" field, as the mouse hasn't moved the right margin of the region, the pitch will stay the same
If you "free drag" the right margin to anywhere between those two positions, the frequency will be adjusted accordingly.

That sounds like a bug, can you confirm that ?
Regards,
Ed

________________________________
De : . m u r m e r . <murmer at murmerings.com>
Envoyé : mardi 11 septembre 2018 10:23
À : Ed Ward; ardour-users at lists.ardour.org
Objet : Re: [Ardour-Users] automatable tape-recorder like playback speed?

strange - i tried it both ways, with 'minimize time distortion' checked
and unchecked, but with identical results.

i'm running ardour 5.12.0 on a macbook pro (el capitan). maybe it's a
version issue?

thanks for helping me sleuth this!

best,
patrick



On 2018.09.11 11:00 , Ed Ward wrote:
> That is odd. I just downloaded yout tone.wav, stretched it 200%,
> "Resample without preserving pitch" and it works exactly as you want it.
> Note that Minimize time distortion must be unchecked, maybe that's where
> th problem comes from ?
>
> Regards,
> Ed
> ------------------------------------------------------------------------
> *De :* . m u r m e r . <murmer at murmerings.com>
> *Envoyé :* mardi 11 septembre 2018 09:18
> *À :* Ed Ward; ardour-users at lists.ardour.org
> *Objet :* Re: [Ardour-Users] automatable tape-recorder like playback speed?
> that's precisely what i thought, but the results are not what i'm expecting.
>
> here's a test tone:
> https://www.dropbox.com/s/aiz4k4rh0na1zbj/tone.wav?dl=0
>
> and here's what i get at 200%:
> https://www.dropbox.com/s/h35keuh01ix2gth/tone200.wav?dl=0
>
> and here's what i get at 500%:
> https://www.dropbox.com/s/yab57iwivvopf1s/tone500.wav?dl=0
>
> i'm expecting it to pitch down as it stretches longer. am i doing
> something wrong?
>
> best,
> patrick
>
>
>
> On 2018.09.08 16:37 , Ed Ward wrote:
>> Hi,
>>
>> If I understand your quetion right, you should try the "/Resample
>> without preserving pitch" /option when time-stretching.
>>
>> Regards
>> ------------------------------------------------------------------------
>> *De :* Ardour-Users <ardour-users-bounces at lists.ardour.org> de la part
>> de . m u r m e r . <murmer at murmerings.com>
>> *Envoyé :* samedi 8 septembre 2018 13:00
>> *À :* ardour-users at lists.ardour.org
>> *Objet :* Re: [Ardour-Users] automatable tape-recorder like playback speed?
>> On 2018.06.07 22:57 , Axel 'the C.L.A.' Müller wrote:
>>>> Is there a similar tool that works more like a tape-recorder in that it
>>>> reduces the frequency by one octave when playing back with half the
>>>> speed?
>>>
>>> Ardour's time stretch tool has various options - one of which does
>>> exactly this. So look again! ;)
>>
>> this is quite an old thread, but it's something i was very happy to
>> read, and am now baffled by. i've been through every option in the 'time
>> stretch' tool 10 times, and i can't find anything that does this. i am
>> very likely missing something blindingly obvious. can anyone explain to
>> me exactly which option achieves this 'tape-recorder' effect?
>>
>> best,
>> patrick
>>
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>>
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>
>
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>
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