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Re: [AUDITORY] MIDI Drum Pads: Delay and temporal resolution

To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: [AUDITORY] MIDI Drum Pads: Delay and temporal resolution
From: Andre Holzapfel <hannover@xxxxxxxxxx>
Date: Tue, 18 Jun 2013 14:09:40 +0300
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Comments: To: Benjamin Schultz <benjamin.schultz@xxxxxxxxxxxxxx>
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Dear Benjamin,

we will have a paper in this years SMC conference related to theacquisition of tapping data using software implemented at INESC TEC inPorto.

We did an experiment to determine the overall latency when using aMIDI interface (Roland Handsonic HPD-10) connected through aDigidesign USB sound card to a 2012 iMac. The obtained latency was17ms. I do not know how much you can gain by using more high endinterfaces, but I would agree with the previous response, that it isvery unlikely to get even close to sub-millisecond accuracy using MIDI.

Please let me know about your further investigations, contact me ifyou like to obtain the paper in advance.


Best,

Andre Holzapfel


Quoting Benjamin Schultz <benjamin.schultz@xxxxxxxxxxxxxx>:

Dear Auditory List,
I am currently looking at purchasing a MIDI Drum Pad forexperimental research involving finger tapping. There appears to bevery little information regarding how much of a time delay there isbetween the pads being tapped and the sound being produced (viaexternal MIDI devices or the drum pad's internal sequencer).
I'm looking to have the smallest time delay possible(sub-millisecond would be ideal). Does anyone have any advice aboutthe best device to use and what kinds of time delays I should expectfrom the device? Their unit of pulses per quarter note does notappear to be very informative.
Kind regards,

Dr. Benjamin G. Schultz
Post-doctoral Fellow

Sequence Production Lab
McGill University
Stewart Biology Building
1205 Dr. Penfield Ave., Montreal H3A 1B1
Montreal, Quebec H3A 1B1
Canada
Tel.: 514-398-5270
Fax: 514-398-4896

Email: benjamin.schultz@xxxxxxxxxxxxxx
http://www.mcgill.ca/spl/members/currentmembers#SCHULTZ<http://www.mcgill.ca/spl/members/currentmembers%23SCHULTZ>




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