Release from masking of low-frequency complex tones by high-frequency complex tone cue bands | Zendy

Angela Josupeit | Zendy; Volker Hohmann | Zendy; Steven van de Par | Zendy

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Release from masking of low-frequency complex tones by high-frequency complex tone cue bands

Author(s) -

Angela Josupeit,

Volker Hohmann,

Steven van de Par

Publication year - 2012

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4766274

Subject(s) - tone (literature) , masking (illustration) , acoustics , offset (computer science) , radio spectrum , pure tone , low frequency , critical band , physics , noise (video) , computer science , audiology , artificial intelligence , hearing loss , medicine , art , image (mathematics) , literature , astronomy , visual arts , programming language

This study investigated the influence of high-frequency cue bands on the detection and discrimination of low-frequency target bands presented in a 3000-Hz low-pass noise masker. Target and cue bands were complex tones with 80-Hz spacing. The cue band consisted of 60 components starting at 4000 Hz; targets consisted of four components starting at different frequencies (500, 700, 1000, 1200, and 1500 Hz). Targets were presented with different durations within the 500-ms masker; target and cue bands had a common on- and offset. Presentation of the high-frequency complex tone significantly enhanced both the discrimination and detection thresholds by 2-3 dB.

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