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IUB PHYS-P 105 - Timbre and dynamic effects

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PHYS 105 1nd Edition Lecture 20 Outline of Last Lecture I. Fourier Analysis of complex tones and theories of pitchOutline of Current Lecture II. Timbre and Dynamic effects: envelope and durationIII. Consonance and Dissonance IV. Went over rest of HW questionsCurrent LectureTimbre and Dynamic effects: envelope and duration- Attribute of auditory sensation in terms of which a listener can judge two sounds - Important role in recognizing music sounds and personal speech- Timbre = Envelope of sound and frequency spectrum - Vibratoro Enhances music performance o Frequency or amplitude modulation Consonance and Dissonance - Consonance = Harmony and pleasant o Have frequency ratio of simple integer fractions- Dissonance = Not in harmonyo Roughness that results when tones with appropriate frequency difference are combined simultaneously o When tow tones create a beat frequency at 30-40 Hz (considered rough)These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a


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