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Management of digital memory during playback of moving images

A memory, digital technology, applied in the field of maintenance of the digital memory

Inactive Publication Date: 2004-12-22
KONINK PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, there may be no practical way for the service provider to monitor the number of times a presentation has been viewed and thus bill the user for an amount reflecting the number of views, or in other words, no way to limit the number of times

Method used

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  • Management of digital memory during playback of moving images
  • Management of digital memory during playback of moving images
  • Management of digital memory during playback of moving images

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] Referring now to the drawings in particular, in which like reference numerals identify similar or identical elements throughout the several views, and initially to figure 1 ,Such as figure 1 As shown in , a first embodiment of an exemplary video playback system 100 includes a PVR 110 connected by a cable 114 to a service provider 116 that provides video input. The PVR 110 is also connected by a data and control bus 120 to a display 122 having a viewing screen 124 . PVR 110 is further connected to amplifier 132 via data and control bus 130 , which communicates with speaker 140 on speaker wire 144 . Remote control 150 allows a user or viewer 156 to remotely operate system 100 . Bus 158 connects PVR 110 to remote sensor 160 .

[0021] In typical operation, the viewer 156 operates the remote control 150 to turn on or activate the playback system 100 . Remote control 150 typically sends an activation signal by infrared or other means, which is received by remote sensor 1...

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PUM

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Abstract

Management of digital storage space during the playback of moving images in a broadcasted program or any other coherent moving image presentation involves marking already-viewed frames for deletion. The marking occurs before completion of the playback of the presentation so that memory space is made immediately available for additional recording of other broadcasted presentations or for other purposes before completion of the playback of the video. A latency time period between playback and authorization for deletion gives the viewer flexibility to replay parts of the presentation before deletion. The latency time period is optionally adaptable, and may be adjusted in accordance with automatic monitoring of whether the viewer is viewing the playback and in accordance with predefined parameters derived from the stored presentation. A count may be maintained of the number of times a frame is played back to refrain from marking until a particular count is reached.

Description

technical field [0001] The present invention relates generally to the management of digital storage, and more particularly to the maintenance of digital storage during playback of video recorded in the digital storage. Background technique [0002] Recently, there has been a substantial increase in the amount of automatic recording of moving picture sequences played back at the user's discretion among users of video services. Digital devices such as personal video recorders (PVRs) can be used to record broadcast television and cable programming, as well as other image-based content. The personal video recorder can be programmed to automatically find and record a user's favorite television programs so that the user can watch what he or she wants, when he or she needs it. Currently, PVRs contain large amounts of memory and are capable of recording more than thirty hours of program broadcasts. The recorded program broadcasts can then be retrieved and viewed by the user as des...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/91H04N5/76
CPCH04N5/76H04N5/91
Inventor A·贾内维斯基
Owner KONINK PHILIPS ELECTRONICS NV