Electrical audio signal processing systems and devices
Including frequency control
Automatic tone control
Examiner
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Active noise-cancellation system for automotive mufflers
Apparatus for enhancing monophonic audio signals using phase shi
Audio equalizer providing reciprocal equalization plus infinite-
Band pass filter circuit for rear channel filtering in a surroun
Bass compensation circuit for use in sound reproduction device
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Profile ID: LFUS-PAI-P-68375