It is hard to hear sounds from digital TV or mobile phone in noisy environment because of masking effect. It could be solved by a simple amplification; however, special process for masking bands will be a further solution in some restricted situation. We proposed an algorithm named 'perceptual irrelevant component elimination' using a modified multiband dynamic range compressor, which does not increase the signal level and enhances its perceptual signal-to-noise ratio by about 1 dB for speech signals and about 3 dB for music signals.
Authors:
Heo, Hoon; Lee, Mingu; Lee, Seokjin; Sung, Koeng-Mo
Affiliation:
Seoul National University, Seoul, Korea
AES Convention:
130 (May 2011)
Paper Number:
8454
Publication Date:
May 13, 2011
Subject:
Posters: Processing and Analysis
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