[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-19 Thread Patco
Mathieu Bouchard a écrit : Seriously, it's not really a problem to have any amount of latency (even one million year) when there is a single musician. If the musician can concentrate on the fingers rather than what is heard, fine (but that needs to be a good player). The musician don't have

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-19 Thread Mathieu Bouchard
On Tue, 19 Dec 2006, Patco wrote: Mathieu Bouchard a écrit : When the latency is changed, the musician has to retrain to a different compensation delay, and that's more tiresome than not having to retrain. Seriously, it's not really a problem to have any amount of latency (even one million y

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-19 Thread Patco
Mathieu Bouchard a écrit : When the latency is changed, the musician has to retrain to a different compensation delay, and that's more tiresome than not having to retrain. Hello? Seriously, it's not really a problem to have any amount of latency (even one million year) when there is a single m

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-18 Thread Patco
Hans-Christoph Steiner a écrit : Honestly, I doubt you could tell the difference between 4ms and 14ms in a blind test. There have been many studies on this. If you can detect such tiny differences in onset time, you would be superhuman. Normal humans start to detect a modulation above a diff

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-17 Thread Hans-Christoph Steiner
On Dec 16, 2006, at 8:38 PM, Mathieu Bouchard wrote: On Sun, 17 Dec 2006, Patco wrote: aws a écrit : A general method for latency measurement of any system is described in this paper: Matthew Wright, Ryan Cassidy, Michael Zbyszynski, Audio and Gesture Latency Measurements on Linux and OS

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-17 Thread Charles Henry
I use the cc~ external. The time domain function is not so efficient for large sizes, since it's an O(N^2) algorithm. The freq domain version uses a fourier algorithm, so it uses only O(N*log(N)). use [cc~ 1024] for time-domain where +/- 1024 is the bounds of the cc~ use [cc~ f] for one-block at

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Roman Haefeli
On Sat, 2006-12-16 at 20:38 -0500, Mathieu Bouchard wrote: > On Sun, 17 Dec 2006, Patco wrote: > > aws a écrit : > >> A general method for latency measurement of any system is described in > >> this paper: Matthew Wright, Ryan Cassidy, Michael Zbyszynski, Audio and > >> Gesture Latency Measuremen

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Patco
Mathieu Bouchard a écrit : Do you have any ideas on how to make it more precise? maybe with measuring the phase difference between a periodic signal sent to DAC and the same received in the ADC instead of timing clicks? Or guessing the frequency of differencial waves between both signals, and

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Mathieu Bouchard
On Sun, 17 Dec 2006, Patco wrote: aws a écrit : A general method for latency measurement of any system is described in this paper: Matthew Wright, Ryan Cassidy, Michael Zbyszynski, Audio and Gesture Latency Measurements on Linux and OSX, Proceedings of ICMC 2004, Miami or just connect ãudio

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Patco
Bryan Jurish a écrit : since i'm just plain not good enough to compensate before the glitches become painfully audible... marmosets, Bryan It becomes really difficult if you add the latency caused by the the sound in air. I've experience this once I was playing guitar at the control table

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Patco
aws a écrit : I have measured such things precisely when the application required it. Its also fairly trivial to "hear" the latency by clapping into a microphone and monitoring it over headphones after it passes through the system. A 10msec difference is quite audible. A general method for

Re: [PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Tim Blechmann
On Sat, 2006-12-16 at 16:21 +0100, Patco wrote: > IOhannes m zmoelnig a écrit : > > Hans-Christoph Steiner wrote: > > > >> Apple puts good audio hardware in their laptops. I can get 14ms of > >> latency on Mac OS X with Pd without really trying (I just set it to > >> 14ms). I can get down to 1

[PD] Re: [PD-ot] how low (latency) can you go?

2006-12-16 Thread Patco
IOhannes m zmoelnig a écrit : Hans-Christoph Steiner wrote: Apple puts good audio hardware in their laptops. I can get 14ms of latency on Mac OS X with Pd without really trying (I just set it to 14ms). I can get down to 11ms if I don't mind clicks when I operate the menus and switch to othe