Ntim |

Suab nrov yog ib qho ntawm cov khoom ntawm lub suab; lub tswv yim uas tshwm sim nyob rau hauv lub siab ntawm ib tug neeg txog kev siv zog los yog lub zog ntawm lub suab thaum perceiving suab, vibrations los ntawm lub cev ntawm lub hnov. G. nyob ntawm qhov amplitude (los yog ntau yam ntawm oscillatory txav), nyob ntawm qhov deb mus rau lub suab qhov chaw, ntawm lub zaus ntawm lub suab (suab ntawm tib siv, tab sis txawv frequencies yog perceived li txawv raws li G., nrog rau tib yam. kev siv zog, lub suab ntawm nruab nrab sau npe zoo li nrov tshaj plaws); Nyob rau hauv dav dav, kev xaav ntawm lub zog ntawm lub suab yog nyob rau hauv lub general psychophysiological. txoj cai Weber-Fechner (qhov kev xav hloov pauv hauv kev faib ua feem rau lub logarithm ntawm kev khaus). Nyob rau hauv lub suab paj nruag acoustics los ntsuas qhov ntim theem, nws yog kev cai siv cov units "decibel" thiab "phon"; hauv kev sau thiab ua haujlwm. Italian kev xyaum. cov ntsiab lus fortissimo, forte, mezzo-forte, piano, pianissimo, thiab lwm yam. conventionally xaiv qhov sib piv ntawm qib G., tab sis tsis yog tus nqi kiag li ntawm cov qib no (forte ntawm lub violin, piv txwv li, yog ntau ntsiag to tshaj lub forte. ntawm symphonic orchestra). Saib cov dynamics.

References: Suab paj nruag acoustics, tag nrho. ed. Edited los ntawm NA Garbuzova. Moscow, 1954. Garbuzov HA, Zone nature of dynamic hearing, M., 1955. Saib kuj lit. ntawm Art. Suab paj nruag acoustics.

Yu. N. Rags