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Horn throats boost output by constructive interference with the source

Properties2

tags	ja-picks, causal_relationships, trade, singleton, category/causal-relationships
aliases	@heller_why_2013, loc. 527

Sep 20, 20261 min read

Horn throats boost output by constructive interference with the source

Evidence

The throat of a horn detains sound very near the source, reinforcing the source by constructive interference and causing it to produce more sound energy than it otherwise would. — Eric J. Heller, Why You Hear What You Hear- An…, 527

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Horn throats boost output by constructive interference with the source
Evidence

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A good speaking trumpet makes a good ear trumpet with size adjustments
A horn's main benefit is source loading, not directional aiming.
Concentrating sound into a smaller solid angle raises horn sensitivity
Constant-directivity horns are efficient but cannot cover frequencies below 500 Hz
Horn confinement amplifies siren output via proximity resonance.
Piriform sinuses add spectral zeroes that boost the singer's formant
Eric J. Heller — Why You Hear What You Hear- An Experiential Approach to Sound, Music, and Psychoacoustics
Eric J. Heller — Why You Hear What You Hear- An Experiential Approach to Sound, Music, and Psychoacoustics

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Horn throats boost output by constructive interference with the source

Horn throats boost output by constructive interference with the source

Evidence

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