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Method and apparatus for freehand annotation and drawings incorporating sound and for compressing and synchronizing sound

  • US 5,768,607 A
  • Filed: 04/30/1996
  • Issued: 06/16/1998
  • Est. Priority Date: 09/30/1994
  • Status: Expired due to Fees
First Claim
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1. A method for compressing a sound stream data and synchronizing an object data and said sound stream data, said method comprising the steps of:

  • storing said object data while inserting a plurality of first sequence marks into said object data, and recording said sound stream data while inserting a plurality of second sequence marks into said sound stream data;

    deleting, without requiring user intervention, at least one silent segment of said sound stream data and any second sequence marks that reside in said at least one silent segment;

    re-inserting the last deleted second sequence mark to said sound stream data in place of the deleted sound segment;

    playing said sound stream data while searching for one of said second sequence marks; and

    displaying said object data at the highest drawing speed from where said object data has last been displayed to one of said first sequence marks corresponding to said one of said second sequence marks found whereby said object data may be synchronized to said sound stream data if some said second sequence marks are missing.

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