Slendro Scale Revalued

The paperoutlines Western scholar’ cognitive process of interval consonance,and analyses the theory of national equal temperament and Hornbostel's Blasquintentheorie from the perspactive of acoustic psychology. The simple radio like 7/6 and 8/7 is regarded as an intrinsic quality of the slendro scale in Indonesian gamelan music.Through the statistics of a large number of slendro scale measured by western ethnomusicologyists and a comparison with the average devations in national equal temperament and Hornbostel’s theory,this writer draws the following conclusions: The interval models consisting of 7/6,8/7 and 9/8 are much closer to the practically measured slendro temperament than the national equal temperament and the Blasquintentheorie,and the concerdant in dexes of 7/6 and 8/7 intervals are respactively 27.54dB and 25.04dB. Thus a new point of view is put forward: While any applied temperament fluctuates to some extent,the harmonic series on some harmonic instruments,e.g.the world wide jew's harp,mouth bows,nose flutes and long horns,are fixed and remain unchanged.They are diractly chosen as scales and should be regarded as sort of temperament.As Slendro scale's physical ground the harmonic series have influenced the aural psychologies of many nations.Probably,quite a few national tone systems outside the three commonest Western temperaments are formed in this way.

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【CateGory Index】： J613.6

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