Re: Segmentation (Al Bregman )

Subject: Re: Segmentation
From:    Al Bregman  <bregman(at)CCRMA.STANFORD.EDU>
Date:    Tue, 14 Sep 1993 16:25:09 -0700

From: Francesco Giomi <art(at)ifiidg.bitnet> Subject: Segmentation X-To: Auditory Mailing List <AUDITORY(at)VM1.MCGILL.CA> To: Multiple recipients of list AUDITORY <AUDITORY(at)MCGILL1.BITNET> I think that the problem is more similar to those founded in electroacoustic music analysis than in tonal music. The book of Lerdahl&Jackendoff concerns specifically with segmentation of musical groups in tonal music and, however, could be interesting to read for those problems. But the problem of sound stream segmentation into objects is open in electroacoustic music analysis. Perhaps you can find some ideas about sonic objects and their perception in these two books:" Chion, M. "Guide des object sonores" INA/Buchet/Chastel Emmerson, S. (ed.) "The language of electroacoustic music" (just the article of Denis Smalley on spectromorphology). Francesco Giomi Musicological Dep. of CNUCE - Florence DEAR FRANCESCO, THERE ARE PROBABLY PRIMITIVE "SEGMENTATION RULES" BASED ON THE PURE ACOUSTICS OF THE SITUATION AND ALSO "PHRASE-GROUPING" RULES THAT MAY BE MORE SPECTIFIC TO TONAL MUSIC. AFTER ALL, NOTES ARE ALREADY DISTINCT UNITS BECAUSE OF THEIR AUDIBLE ONSETS. IT WOULD BE IMPORTANT TO DISTINGUISH THESE, EVEN THOUGH THE LATTER MIGHT USE MANY OF THE SAME FEATURES OF THE SOUND AS THE FORMER. I SUSPECT THAT THE ONLY KIND OF RESEARCH CAPABLE OF DISTINGUISHING THEM WOULD BE STUDIES OF HOW THE GROUPING TENDENCY CHANGES FOR CHILDREN AS THEY BECOME FAMILIAR WITH MUSIC. THIS COULD ONLY BE DONE WHERE THE TWO PRESUMED PROCESSES MADE USE OF DIFFERENT FEATURES OF THE SIGNAL. THANKS FOR YOUR REPLY. - AL AL BREGMAN

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