Articoli correlati a Tuning Timbre Spectrum Scale
Sinossi
6.4 Summary In the pursuit of genuinely xenharmonic music that does not sacrifice con sonance or depth of timbral material, this chapter presented three concrete examples of related tunings and spectra. The tingshaw bell and the Chaco rock showed how to take the spectrum of an existing sound, draw the disso nance curve, find the related scale, and build a playable "instrument." The crystal section showed how to take an arbitrary complex spectrum and to realize it in sound via a related partial-based scale. Despite the odd timbres and scales, the resulting music gives an impres sion of tonality or key. It has the surface feeling of tonality, but is unlike 19 anything possible in 12-tet. McLaren comments The Chaco Canyon Rock bounces from one inharmonic "scale mem ber" to another, producing an astonishing sense of consonance. The effect isn't identical to traditional tonality-yet it produces many of tonality's effects. One is instantly aware of "right" and "wrong" pitches, and there is a sense of spectral "progression." We call such music xentonal.
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Contenuti
1. The Octave is Dead... Long Live the Octave.- 2. The Science of Sound.- 3. Musical Scales.- 4. Consonance and Dissonance of Harmonic Sounds.- 5. Related Spectra and Scales.- 6. A Bell, A Rock, A Crystal.- 7. Adaptive Tunings.- 8. The Gamelan.- 9. Consonance-Based Musical Analysis.- 10. From Tuning to Spectrum.- 11. Spectral Mappings.- 12. A “Music Theory” for 10-tet.- 13. Speculation, Correlation, Interpretation, Conclusion.- Appendix A. Mathematics of Beats.- Appendix B. Ratios Make Cents.- Appendix C. Speaking of Spectra.- C.1 Spectrum of a Sine Wave.- C.2 Steady State Analysis.- C.3 Analysis of the Attack.- C.4 Pads and Windows.- C.5 Finding Spectral Peaks.- Appendix D. Additive Synthesis.- Appendix E. How to Dray Dissonance Curves.- Appendix F. Properties of Dissonance Curves.- Appendix G. Behavior of Adaptive Tunings.- Appendix H. Tables of Scales.- Appendix I. Classical Music of Thailand.- Discography.- Sound Examples.
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