Method of selecting a frequency band of an output audio...

Details Method of selecting a frequency band of an output audio... Method of selecting a frequency band of an output audio...

2006-01-03

2006-01-03

Grier, Laura A. (Department: 2644)

Electrical audio signal processing systems and devices

Including frequency control

Having crossover filter

C381S098000, C381S123000, C381S058000, C381S059000, C381S300000, C381S306000, C700S094000

Reexamination Certificate

active

06983053

ABSTRACT:
A computing device allows selective output of audio signals within a frequency band. The computing device has a main system having an audio signal generator generating audio signals, a main audio outputting unit attached to the main system and outputting the generated audio signals, an auxiliary system connected to the main system and receiving the audio signals generated by the audio signal generating unit, and an auxiliary audio outputting unit attached to the auxiliary system and outputting the audio signals received in the auxiliary system A switching unit controls the audio signals to pass through a plurality of selectable filters filtering the audio signals within respective frequency bands and to supply the selected filtered audio signals to the main audio outputting unit, and to the auxiliary audio outputting unit, depending upon whether the auxiliary system is connected to the main system.

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