Abstract: A device (10) for producing light enhanced sound from a music source (36) producing music signals on at least a first (54) and second (56) channel is provided. The device (10) includes a speaker (18 or 20) for reproducing music from the music signals. The device (10) also includes axis-crossing detection circuitry (69) coupled to the first (54) and second (56) channels that detects when the music signal on each channel crosses the time-axis and generates an axis-crossing signal. The present device (10) further includes light control circuitry (81) coupled to the axis-detecting circuitry (69) operable to generate a light signal responsive to the axis crossing signals. The present device (10) also includes a light (42) coupled to the light control circuitry (81). The light (42) is illuminated responsive to the light signal.

Abstract: Binary input data or analog voltages are processed in parallel paths to form a bi-level (coarse and fine) output. A binary input is parallel processed to produce an analog current output and an analog input is parallel processed to produce a binary coded output. For binary-to-analog conversion, analog multiplexing and scaling adjusts the fine current to the coarse current prior to summing into a composite analog output. An analog input is continuously available to a comparator that senses voltage levels and reference voltages to provide binary coded linear scale pulses for parallel processing into fine increments of a binary output and coarse increments of a binary output combined into a total binary coded output.

Abstract: Binary input data or analog voltages are processed in parallel paths to form a bi-level (coarse and fine) output. A binary input is parallel processed to produce an analog current output and an analog input is parallel processed to produce a binary coded output. For binary-to-analog conversion, analog multiplexing and scaling adjusts the fine current to the coarse current prior to summing into a composite analog output. An analog input is continuously available to a comparator that senses voltage levels and reference voltages to provide binary coded linear scale pulses for parallel processing into fine increments of a binary output and coarse increments of a binary output combined into a total binary coded output.