公开(公告)号：SG123638A1

公开(公告)日：2006-07-26

申请号：SG200407881

申请日：2004-12-31

Applicant: ST MICROELECTRONICS ASIA

Inventor： KASARGOD SUDHIR KUMAR ,  SAPNA GEORGE

Abstract: The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequency signals, even though the speakers may be incapable of providing such low frequency outputs. Method and systems provided for processing enhancing bass effect in audio signals. Said method and systems result in the bass enhancement being computationally less intensive. The bass effect enhancement techniques described are based on the response of sine and cosine transfer functions and on the directional independence of low frequency components. The human ear is unable to resolve directions from low frequency components. The bass effect enhancement technique alternatively is based on response of an exponential transfer function.