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Karaoke lyric position display device

  • US 5,194,683 A
  • Filed: 06/12/1991
  • Issued: 03/16/1993
  • Est. Priority Date: 01/01/1991
  • Status: Expired due to Term
First Claim
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1. A karaoke lyric position display device of the type displaying lyrics in synchronization with the reproduction of music associated with the lyrics in response to composition data representing the music in MIDI format, control data representing tempo, blocks of lyric data and coordinate data indicating a display position of the lyric data and having predetermined values representing a page of lyric data, the karaoke lyric position display device comparing:

  • memory means for storing the composition data, the lyric data, the coordinate data and the control data;

    first microprocessor means having a clock signal and connected to the memory means for reading the composition data from said memory means, said first microprocessor means including frequency divider means responsive to the clock signal and the control data for producing composition control signals, said first microprocessor means responding to the composition controls signals as interrupt signals for producing an output of the composition data as a function of the tempo;

    MIDI sound source means responsive to the output of composition data by the first microprocessor means for converting the composition data into audio signals;

    second microprocessor means connected to the memory means for reading the blocks of lyric data and the coordinate data, said second microprocessor means including frequency multiplier means responsive to the composition control signals for providing lyric control signals, said second microprocessor means responding to the lyric control signals as interrupt signals for generating outputs signals representing a current lyric position within a block of lyric data and said second microprocessor means executing a page feed of lyric data in response to the coordinate data exceeding the predetermined values; and

    visual display means connected to the second microprocessor means for simultaneously displaying the blocks of lyric data and the current lyric position within a block of lyric data.

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