Do real pianos have 83 ms latency?

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kevinm
Fri Aug 17, 2018 10:37 am

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Re: Help file, Marketing & Website ERRORS!

Hi Scott,

I'd like to challenge your assertion on the following page...

https://www.image-line.com/support/flst ... pp_opt.htm

...that the delay between pressing a key on a real piano and the hammer hitting the strings is around 80ms.

I've previously challenged this on these forums, when trying to understand more about latency...

viewtopic.php?f=100&t=159857&p=1139768#p1139768

...but the topic remained unanswered by yourselves.

I can't find a lot on the internet about this, but I did find one interesting, if slightly technical article on the subject...

http://www.speech.kth.se/music/5_lectur ... asure.html

Interestingly, this also talks about a latency of 80ms, but if I've understood correctly, this is the time from the hammer hitting the string, to the damper falling down on the string to end the note, for a 'staccato-note' (i.e. pretty much the entire length of the note).

In this same study (looking at the diagram in particular), I believe that the time between the key being struck to the audio being produced is around 30ms.

And as I mentioned in my post above, if 80ms is an accurate figure for the 'latency' of a real piano, this doesn't explain why when I set my ASIO driver to 2048smp (48ms), this becomes virtually unplayable for fast-attack sounds (like a piano). Obviously 48ms is a shorter time than 80ms, so to me, this doesn't add up.

Any insight into this (if a correction is not required) would be appreciated.

Thanks,
Kevin

ps I haven't brought this up from a post so long ago just for the sake of it - I was RTFM on CPU usage (having read a recent post on a possible CPU usage improvement that Frederick has been working on), when I saw the 80ms figure again!)

Scott
Site Admin
Thu Aug 23, 2018 2:16 am

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Re: Help file, Marketing & Website ERRORS!

kevinm wrote:And as I mentioned in my post abov...

kevinm
Thu Aug 23, 2018 3:29 pm

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Re: Help file, Marketing & Website ERRORS!

Scott wrote:Pianos have a mechanical action. Go...


kevinm
Mon Sep 17, 2018 2:05 pm

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Re: Help file, Marketing & Website ERRORS!

Architector #4 wrote:kevinm wrote:Maybe I'm com...

p3rlend
Thu Aug 08, 2019 12:29 am

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Do real pianos have 83 ms latency?

https://www.image-line.com/support/flst ... pp_...
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shroomhead_one
Thu Aug 08, 2019 12:51 am

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Re: Do real pianos have 83 ms latency?

They do have a bit of latency, and I learned to...

Scott
Site Admin
Thu Aug 08, 2019 1:13 am

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Re: Do real pianos have 83 ms latency?

Indeed this is about first key contact to sound...
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p3rlend
Thu Aug 08, 2019 1:20 am

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Re: Do real pianos have 83 ms latency?

shroomhead_one wrote:The latency is not the sou...

p3rlend
Thu Aug 08, 2019 1:38 am

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Re: Do real pianos have 83 ms latency?

Scott wrote:Indeed this is about first key cont...

shroomhead_one
Thu Aug 08, 2019 1:41 am

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Re: Do real pianos have 83 ms latency?

Scott wrote:Indeed this is about first key cont...

Scott
Site Admin
Thu Aug 08, 2019 3:25 am

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Re: Do real pianos have 83 ms latency?

FWIW I wrote that 8 years ago, and did have an ...
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Scott
Site Admin
Thu Aug 08, 2019 3:35 am

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Re: Do real pianos have 83 ms latency?

Here we go... fk = finger contact on the key. ...
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HeathW
Thu Aug 08, 2019 11:34 am

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Re: Do real pianos have 83 ms latency?

Scott wrote:Anyhow as it seems to cause issues,...
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p3rlend
Thu Aug 08, 2019 4:28 pm

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Re: Do real pianos have 83 ms latency?

Thanks for finding the information. This is rea...
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liberaltugboat
Thu Aug 08, 2019 9:24 pm

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Re: Do real pianos have 83 ms latency?

I loaded up FL Keys, set ASIO4ALL to 2048 sampl...



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