Patent ID: 6341166
Filing Date: 2002-01-22
Classification: H03G,H04S

Abstract:
A method for equalizing an audio input signal provided from an audio source storage medium, comprising:characterizing a spectral balance corresponding to a reference audio source storage medium, thereby establishing a reference spectral balance; storing said reference spectral balance to a reference memory location; characterizing a spectral balance corresponding to said audio source storage medium, thereby establishing a current source spectral balance; reading a parameter from said audio source storage medium; using said parameter to index into a given memory location which stores particular equalizer settings; controlling an equalizer unit in accordance with said particular equalizer settings, wherein said equalizer unit is configured to adjust the magnitude of selected frequency ranges of said audio input signal in accordance with said particular equalizer settings, thereby producing an audio output signal; and calculating said particular equalizer settings in response to comparing a particular one of a plurality of reference spectral balances and said current source spectral balance, wherein said particular one of said plurality of reference spectral balances is user-selectable, and wherein said plurality of reference spectral balances is established by characterizing a plurality of spectral balances each corresponding to one of a plurality of reference audio source storage media, and wherein said plurality of reference spectral balances are stored in a plurality of reference memory locations, and wherein said plurality of reference memory locations are non-volatile.