Harmonic Frequency Lowering: Effects on the Perception of Music Detail and Sound Quality
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Author / Producer
Date
2016
Publication Type
Journal Article
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yes
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Abstract
A novel algorithm for frequency lowering in music was developed and experimentally tested in hearing-impaired listeners.
Harmonic frequency lowering (HFL) combines frequency transposition and frequency compression to preserve the harmonic
content of music stimuli. Listeners were asked to make judgments regarding detail and sound quality in music stimuli. Stimuli
were presented under different signal processing conditions: original, low-pass filtered, HFL, and nonlinear frequency compressed.
Results showed that participants reported perceiving the most detail in the HFL condition. In addition, there was no
difference in sound quality across conditions.
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Publication status
published
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Journal / series
Volume
20
Pages / Article No.
1 - 12
Publisher
SAGE
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Edition / version
Methods
Software
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Date collected
Date created
Subject
Harmonic; Frequency lowering; Frequency compression; Frequency transposition; Music perception; Hearing loss