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Language filter for home TV

  • US 20020007371A1
  • Filed: 09/06/2001
  • Published: 01/17/2002
  • Est. Priority Date: 10/21/1997
  • Status: Active Grant
First Claim
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1. For use in connection with home television video recording, playback, and viewing equipment, apparatus for processing an electronic signal including audio and video portions corresponding to audible and visible portions of the electronic signal, with said audio portion containing a spoken component related to the audible portion and with said video portion containing an auxiliary information component corresponding to a visible representation of said spoken component of said electronic signal, said apparatus comprising:

  • a closed caption data slicer arranged to receive a video portion of an electronic signal with said video portion containing an auxiliary information component to produce a closed caption signal;

    an on-screen display connected to receive said closed caption signal;

    a video path by which video portions of the electronic signal are made available to a user of the apparatus;

    an audio path by which audio portions of the electronic signal are made available to a user of the apparatus;

    a programmable controller including a data memory having a plurality of text libraries;

    said programmable controller having a closed caption editor for analyzing said auxiliary information component to determine if said auxiliary information component contains undesirable words or phrases stored in a selected library of said memory;

    said closed caption editor being adapted to replace any detected undesirable word or phrase with another word or phrase from a selected library of said memory component to produce a modified closed caption signal for said on-screen display;

    an audio switch in said audio path for selectively modifying a corresponding audio portion of said electronic signal if undesirable words or phrases are detected within an auxiliary information component segment;

    said audio switch being controlled to cease modifications at the conclusion of receipt of the modified auxiliary information component segment; and

    an on-screen display plus video combining unit connected in said video path to produce an auxiliary information component incorporating said modified closed caption signal in said video path.

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