A study on auditory resolution using Bark-FAMlet clicks

Author

Laine, Unto K. ; Huotilainen, Minna

Author_Institution

Acoust. Lab., Helsinki Univ. of Technol., Espoo, Finland

Volume

2

fYear

1996

fDate

7-10 May 1996

Firstpage

989

Abstract

Many areas in audio engineering, e.g., perceptual coding, strongly rely on knowledge and models of the human auditory system. Nonuniform frequency resolution and masking phenomenon are well studied aspects. Less attention has been paid to the temporal auditory resolution. In this pilot study the temporal resolution is tested by using short (0.55-4.15 ms) clicks called Bark-FAMlets. They form an orthogonal set of signals all having identical power spectra with uniform masking properties. Individual FAMlets differ only in phase by steps called an auditory unit delay (AUD). We found that 75% discrimination is achieved when the difference between two FAMlets is 22, 11 or 10 AUDs depending on the three test conditions used

Keywords

Fourier transforms; all-pass filters; amplitude modulation; delays; filtering theory; frequency modulation; hearing; inverse problems; signal resolution; spectral analysis; Bark-FAMlet clicks; allpass filters; audio engineering; auditory resolution; auditory unit delay; frequency-amplitude modulated complex exponentials; human auditory system; masking phenomenon; nonuniform frequency resolution; orthogonal signals set; perceptual coding; power spectra; temporal auditory resolution; uniform masking properties; Acoustic testing; Auditory system; Band pass filters; Delay; Frequency; Humans; Laboratories; Psychology; Signal resolution; White noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1996. ICASSP-96. Conference Proceedings., 1996 IEEE International Conference on

Conference_Location

Atlanta, GA

ISSN

1520-6149

Print_ISBN

0-7803-3192-3

Type

conf

DOI

10.1109/ICASSP.1996.543289

Filename

543289