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    COMPUTER-BASED, AUDIO/VISUAL CREATION AND PRESENTATION SYSTEM AND METHOD
    1.
    发明专利
    COMPUTER-BASED, AUDIO/VISUAL CREATION AND PRESENTATION SYSTEM AND METHOD 未知

    公开(公告)号：CA2015215C

    公开(公告)日：1994-01-11

    申请号：CA2015215

    申请日：1990-04-23

    Applicant: IBM

    Inventor： BEITEL BRADLEY J ,  BISHOP MARK S ,  DEACON JOHN J ,  GORDON ROBERT D ,  SMITH KENNETH B ,  WALLING LONNIE S ,  WILKES MICHAEL D ,  YANKER PETER C

    IPC: G06F3/16 ,  G06F3/048 ,  G06F3/14 ,  G06F15/00 ,  G06F17/30 ,  G09B5/06 ,  G11B27/034 ,  G11B27/34 ,  G06F15/20

    Abstract: COMPUTER-BASED, AUDIO/VISUAL CREATION AND PRESENTATION SYSTEM AND METHOD A user/PC interface system is described which enables the creation and performance of a synchronized audio/visual story on the PC. The interface enables the initial storage of a plurality of visual images. Then, it enables the creation of an audio presentation which includes labels and time indications, certain of which are employed for synchronization purposes. The system is responsive to a label to execute a predetermined command upon the appearance of the label in the audio presentation. The PC is then operated to perform the audio presentation, that performance automatically causing the display of visual images upon the occurrence of labels and time indications. An improved, table-based authoring system is also described for preparation of both the above noted audio and visual presentations. The system relies upon columnar presentations of a tabular form, each column indicating a separate control function (or comment) relating to the audio/visual presentation.

    VARIABLE SPEED, IMAGE PAN METHOD AND APPARATUS
    2.
    发明专利
    VARIABLE SPEED, IMAGE PAN METHOD AND APPARATUS 未知

    公开(公告)号：CA2012797C

    公开(公告)日：1995-01-24

    申请号：CA2012797

    申请日：1990-03-22

    Applicant: IBM

    Inventor： BEITEL BRADLEY J ,  HAUGG CHARLES L ,  WALLING LONNIE S ,  YANKER PETER C

    IPC: G06F3/14 ,  G06F3/033 ,  G06F3/048 ,  G06T11/80 ,  G09G5/14 ,  G09G5/08

    Abstract: VARIABLE SPEED, IMAGE PAN METHOD AND APPARATUS A display apparatus is described having the capability to pan a viewport image across a world-plane image. The viewport image has defined boundaries and exhibits a cursor whose position is movable by a user operated mouse or keyboard controls. The invention comprises a method for providing a variable-rate pan action of the viewport image which includes panning the viewport image at a preset rate in the direction of a first viewport boundary, if the cursor has been moved to the first boundary. The viewport image is panned at a proportionally faster rate in the direction of the first viewport boundary, as the cursor is moved further beyond the first viewport boundary thus enabling a variable speed pan under user control.

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