PLAYBACK CONTROL METHOD FOR MULTIMEDIA DEVICE USING MULTI-TOUCH-ENABLED TOUCHSCREEN
First Claim
1. A playback control method for a multimedia device having a touchscreen, comprising:
- sensing a multi-touch event on the touchscreen;
extracting two contact points of the multi-touch event;
determining coordinates of the two contact points;
calculating a distance between the coordinates;
monitoring a variation of the distance;
moving a playback position of a current playing multimedia file according to the variation of the distance; and
restarting playback of the current playing multimedia file from the playback position 11 when the contact points are released from the touchscreen.
2 Assignments
0 Petitions
Accused Products
Abstract
A playback control method of a multimedia device is provided for setting playback position and repetitive playback section of a multimedia file playing on the multimedia device intuitively with multi-touch behaviors on a touchscreen. The method includes sensing a multi-touch event on the touchscreen, extracting two contact points of the multi-touch event, determining coordinates of the contact points, calculating a distance between the coordinates, monitoring a variation of the distance, moving a playback position of a current playing multimedia file according to the variation of the distance, and restarting playback of the current playing multimedia file from the playback position when the contact points are released from the touchscreen.
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Citations
13 Claims
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1. A playback control method for a multimedia device having a touchscreen, comprising:
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sensing a multi-touch event on the touchscreen; extracting two contact points of the multi-touch event; determining coordinates of the two contact points; calculating a distance between the coordinates; monitoring a variation of the distance; moving a playback position of a current playing multimedia file according to the variation of the distance; and restarting playback of the current playing multimedia file from the playback position 11 when the contact points are released from the touchscreen. - View Dependent Claims (2, 3, 4, 5, 6, 13)
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7. A playback control method for a multimedia device having a touchscreen, comprising:
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sensing a multi-touch event on the touchscreen; extracting two contact points of the multi-touch event; determining coordinates of the two contact points; calculating a distance between the coordinates; monitoring a variation of the distance; setting a repetitive playback section of a current playing file according to the variation of the distance; and playing the repetitive playback section repeatedly when the contact points are released from the touchscreen. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification