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Measurement and reproduction accuracy of computer-controlled grand pianos
KTH, Tidigare Institutioner                               , Talöverföring och musikakustik.ORCID-id: 0000-0002-3086-0322
2003 (engelsk)Inngår i: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 114, nr 4, s. 2273-2283Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The recording and reproducing capabilities of a Yamaha Disklavier grand piano and a Bosendorfer SE290 computer-controlled grand piano were tested, with the goal of examining their reliability for performance research. An experimental setup consisting of accelerometers and a calibrated microphone was used to capture key and hammer movements, as well as the acoustic signal. Five selected keys were played by pianists with two types of touch (staccato and legato). Timing and dynamic differences between the original performance, the corresponding MIDI file recorded by the computer-controlled pianos, and its reproduction were analyzed. The two devices performed quite differently with respect to timing and dynamic accuracy. The Disklavier's onset capturing was slightly more precise (+/-10 ms) than its reproduction (-20 to +30 ms); the Bosendorfer performed generally better, but its timing accuracy was slightly less precise for recording (-10 to 3 ms) than for reproduction (+/-2 ms). Both devices exhibited a systematic (linear) error in recording over time. In the dynamic dimension, the Bosendorfer showed higher consistency over the whole dynamic range, while the Disklavier performed well only in a wide middle range. Neither device was able to capture or reproduce different types of touch.

sted, utgiver, år, opplag, sider
2003. Vol. 114, nr 4, s. 2273-2283
Emneord [en]
musical performance, string vibrations, touch, articulation, discoveries, perception, expression, traumerei, pianists, patterns
Identifikatorer
URN: urn:nbn:se:kth:diva-22892DOI: 10.1121/1.1605387ISI: 000185992200051OAI: oai:DiVA.org:kth-22892DiVA, id: diva2:341590
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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