نتایج جستجو برای: psychoacoustic

تعداد نتایج: 897  

Journal: :Current pollution reports 2021

Abstract This work reviews the literature of 46 peer-reviewed papers and presents current status on use psychoacoustic indicators in soundscape studies. The selection for a systematic review followed PRISMA method. Afterwards, descriptive analysis principal component (PCA) were realised. For PCA, following parameters extracted from analysed: indicator, hypothesis, statistical units, data collec...

2004
M. Raad C. H. Ritz Alfred Mertins Mohammed Raad Christian Ritz Ian Burnett

This paper analyses two narrowband speech codecs, the 4.8 kbit/s FS1016 coder and the 8 kbit/s G729 coder, using objective psychoacoustic measures. Four measures are used: loudness, sharpness, roughness and tonality. The results show sharpness and roughness as the two major contributing factors to the subjective difference between the two coders.

2002
Barbara Shinn-Cunningham

This dissertation investigates how human perceivers and learning algorithms cope with noisy, complex environments. The first part of the dissertation presents results of psychoacoustic experiments that give insight into human auditory perception of sounds originating near the listener. The second part develops a memory-based computational learning architecture that is resistant to noise while l...

2013
Tobias Balkenhol Elisabeth Wallhäusser-Franke Wolfgang Delb

BACKGROUND The phantom auditory perception of subjective tinnitus is associated with aberrant brain activity as evidenced by magneto- and electroencephalographic studies. We tested the hypotheses (1) that psychoacoustically measured tinnitus loudness is related to gamma oscillatory band power, and (2) that tinnitus loudness and tinnitus-related distress are related to distinct brain activity pa...

Journal: :Applied sciences 2021

One purpose of spatial audio is to create perceived virtual sources at various positions in terms direction and distance with respect the listener. The psychoacoustic principle auditory perception essential for creating sources. Currently, technical means recreating different directions techniques are relatively mature. However, control remains a challenging task. This article reviews principle...

2004
Klaus Genuit Roland Sottek

A loudness measurement which takes account of the spectral and temporal structure of a sound event, better than the A-weighted SPL, has advantages. Nevertheless, it is not universally accepted because the loudness measurement does not allow a complete judgment of complex sound events comparable to human hearing. In addition to loudness, there are other psychoacoustic parameters such as sharpnes...

2010
Homer Simpson James Kirk

The key unification of e-business and information retrieval systems is a structured quagmire. Given the current status of psychoacoustic technology, steganographers obviously desire the investigation of thin clients. We probe how simulated annealing [?] can be applied to the deployment of thin clients.

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