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Perception of Pace/Rhythm/Timing (PRaT) -- genetic?
hollowman
post Jul 4 2011, 16:24
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A somewhat "controversial" topic in audio gear subjective reviewing is the reproduction of Pace/Rhythm/Timing, sometimes abbreviated PRaT. (Sometimes, PRAT with a cap. 'A' may denote A=acceleration). The topic also includes an interdependent subjective metric, dynamics.

Perhaps the seminal introduction to the phenomenon is the Nov. 1992 article in Stereophile, Pace, Rhythm, & Dynamics by Martin Colloms . I noted that this topic is "controversial" in that it not often reported in gear/equipment reviews -- especially in forum- or message-board-based reviews ... where most folks stick to the common (and, IMO, repetitive) BMTS (bass, mids, treble, soundstage). From there, some may additionally describe, e.g., a headphone's 'dynamic' or 'speed' qualities. But when asked to comment on PRaT, the same reviewer responds with puzzlement, smug ridicule, or ignorance.

Pace/Rhythm/Timing -- or PRaT -- is something I'm particularly sensitive too. It is one of the first attributes that I notice the presence or absence of in audio gear, like headphones, all else held equal. I even notice it in slow music, like adagio or lento movements (the Colloms article above goes into this a bit).

Because of the apparent "underreporting" of the "PRaT" phenomenon as important audiological subjective metrics -- and even some hostility as to its importance or even its existence -- I'm wondering how much its perception is genetic. This may be like genetic sensitivity to perfect pitch:
http://perfectpitch.ucsf.edu/study/
Or, more simply, the PTC genetic bitterness test from high-school biology class?

This post has been edited by hollowman: Jul 4 2011, 16:42
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WernerO
post Jan 5 2012, 08:56
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Perhaps time for a bit of history?

The whole PRaT thing emerged in the UK's flat earth period.

The (subjective) audio press evaluated components and systems mainly
on things like tune playing capability and whether or not you could tap
your foot to it. (Really. Bear with me.)

Back then systems that, according to said press, 'timed well' typically
centered around one particular turntable, and loudspeakers invariably
optimised for wall mounting and with a particular tonal balance. And these
were, presumably, auditioned in typical UK homes.

Almost invariably any turntable, tonearm, or loudspeaker originating outside
of the UK, and in particular the USA, was deemed hopelessly PRaTless.


So did the favoured components (Linn LP12 TT in its earlier cruder forms, Linn and
Naim loudspeakers) when used in UK rooms, exhibit objective properties that set
it apart from competing products (possibly optimised to other room types), leading
to an enhanced impression of rhythmic flow? IOW did they really hear something?

Or was it all a large conspiracy initiated by Linn dealerships?


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Posts in this topic
- hollowman   Perception of Pace/Rhythm/Timing (PRaT) -- genetic?   Jul 4 2011, 16:24
- - greynol   QUOTE (hollowman @ Jul 4 2011, 08:24) I...   Jul 4 2011, 16:43
|- - hollowman   QUOTE (greynol @ Jul 4 2011, 08:43) QUOTE...   Jul 5 2011, 09:11
- - Arnold B. Krueger   QUOTE (hollowman @ Jul 4 2011, 11:24) A s...   Jul 4 2011, 19:22
- - RobWansbeck   Many years after reading the first, 1978, edition ...   Jul 5 2011, 01:28
- - kraut   I find that the thread opener follows the usual au...   Jul 5 2011, 02:19
- - greynol   I truly hope this doesn't end up like it did w...   Jul 5 2011, 02:44
- - krabapple   QUOTE (hollowman @ Jul 4 2011, 11:24) I n...   Jul 5 2011, 03:20
|- - hollowman   QUOTE (krabapple @ Jul 4 2011, 19:20) [.....   Jul 5 2011, 08:48
|- - krabapple   QUOTE (hollowman @ Jul 5 2011, 03:48) QUO...   Jul 5 2011, 15:25
|- - hollowman   QUOTE (krabapple @ Jul 5 2011, 07:25) Wha...   Jul 8 2011, 13:44
|- - db1989   QUOTE (hollowman @ Jul 8 2011, 13:44) gre...   Jul 8 2011, 13:50
- - AndyH-ha   Perhaps the inclination to believe in such things ...   Jul 5 2011, 07:26
|- - Arnold B. Krueger   QUOTE (AndyH-ha @ Jul 5 2011, 02:26)...   Jul 5 2011, 09:20
|- - hollowman   QUOTE (AndyH-ha @ Jul 4 2011, 23:26)...   Jul 5 2011, 09:37
|- - hollowman   QUOTE (hollowman @ Jul 5 2011, 01:37) (se...   Jul 5 2011, 13:17
|- - dhromed   QUOTE (hollowman @ Jul 5 2011, 14:17) Fig...   Jul 5 2011, 16:22
|- - hlloyge   QUOTE (hollowman @ Jul 5 2011, 14:17) I...   Jul 5 2011, 18:22
- - Woodinville   Pace, rhythm and timing are all sensations that co...   Jul 5 2011, 08:09
|- - hollowman   QUOTE (Woodinville @ Jul 5 2011, 00:09) P...   Jul 5 2011, 08:59
|- - Woodinville   QUOTE (hollowman @ Jul 5 2011, 00:59) Not...   Jul 5 2011, 11:01
|- - hollowman   QUOTE (Woodinville @ Jul 5 2011, 03:01) Q...   Jul 5 2011, 11:54
|- - Soap   QUOTE (hollowman @ Jul 5 2011, 06:54) How...   Jul 5 2011, 12:18
|- - hollowman   QUOTE (Soap @ Jul 5 2011, 04:18) QUOTE (h...   Jul 5 2011, 14:05
|- - Soap   QUOTE (hollowman @ Jul 5 2011, 09:05) QUO...   Jul 5 2011, 14:14
- - DonP   We do get the occasional golden eared prat in here...   Jul 5 2011, 13:17
- - Soap   Mods, can you lock this thread already? OP (hollo...   Jul 5 2011, 13:58
- - kraut   QUOTE Extremely refreshing, Kraut Maybe it is ref...   Jul 5 2011, 15:51
- - drewfx   A simple, non-judgmental question: If a system ca...   Jul 5 2011, 16:42
|- - benski   QUOTE (drewfx @ Jul 5 2011, 11:42) A simp...   Jul 5 2011, 19:21
|- - drewfx   If these effects were audible, would you expect th...   Jul 5 2011, 19:38
||- - benski   QUOTE (drewfx @ Jul 5 2011, 14:38) If the...   Jul 5 2011, 19:51
|- - DonP   QUOTE (benski @ Jul 5 2011, 13:21) [ I...   Jul 5 2011, 21:43
||- - greynol   QUOTE (DonP @ Jul 5 2011, 13:43) fuzzily ...   Jul 5 2011, 22:31
||- - Woodinville   QUOTE (greynol @ Jul 5 2011, 14:31) This ...   Oct 16 2011, 05:02
||- - lbstyling   QUOTE (Woodinville @ Oct 16 2011, 04:02) ...   Jan 4 2012, 22:10
|- - Notat   QUOTE (benski @ Jul 5 2011, 12:21) I...   Jul 6 2011, 16:03
- - Soap   They should show up as measurable distortion, no?   Jul 5 2011, 19:46
|- - benski   QUOTE (Soap @ Jul 5 2011, 14:46) They sho...   Jul 5 2011, 19:53
- - drewfx   So then the devil's advocate argument is: 1. ...   Jul 5 2011, 20:18
- - greynol   QUOTE (hollowman @ Jul 5 2011, 01:11) It ...   Jul 5 2011, 21:16
|- - db1989   Having read a little of the Stereophile article li...   Jan 4 2012, 22:39
|- - disfrontman   QUOTE (db1989 @ Jan 4 2012, 16:39) QUOTE ...   Jan 5 2012, 03:29
- - knutinh   1. Find some discussion-forum with a clear profile...   Jul 6 2011, 07:23
- - Nick.C   Likes ^. (we need a like button for posts...... ...   Jul 6 2011, 08:22
- - WernerO   Perhaps time for a bit of history? The whole PRaT...   Jan 5 2012, 08:56


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