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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Masato Nakayama1, Kota Nakahashi2, Yukoh Wakabayashi2 and Takanobu Nishiura1
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DOI:10.17265/1548-7709/2017.03.003
Affiliation(s)
1. College of Information Science and Engineering. Ritsumeikan University, Shiga, Japan
2. Graduate School of Information Science and Engineering. Ritsumeikan University, Shiga, Japan
ABSTRACT
LEV (Listener envelopment), which corresponds to
surround sensation with independent direct and reflected sounds, is the spatial
impression in three-dimensional sound field reproduction systems.
However,
IACC (interaural cross-correlation), which is conventionally used as an
objective index to measure LEV, has difficulty in rating the surround sensation
as it assumes a time-invariant sound source. In this paper, we propose
a new objective index for surround sensation based on differential short-time IACF (interaural cross-correlation function). We evaluated the
effectiveness of the proposed method through evaluation experiments.
KEYWORDS
LEV, surround sensation, IACC, differential short-time IACF, objective index.
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