Measurement of video quality at customer premises
First Claim
Patent Images
1. A method, comprising:
- providing a video signal to a set top box, the video signal being provided by a head end and including a plurality of channels;
providing an instruction to the set top box to record a specified portion of the video signal to create a video sample, the specified portion of the video signal being specified by the instruction at least in part by a particular channel of the video signal during a specified time period;
receiving the video sample from the set top box;
obtaining a reference video corresponding to the video sample, the reference video being obtained from the head end; and
comparing the video sample to the reference video.
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Accused Products
Abstract
A video signal is provided to a set top box. An instruction to record a specified portion of the video signal, thereby creating a video sample, is provided to the set top box. The video sample is received from the set top box. Reference video corresponding to the video sample is obtained. A comparison of the video sample and the reference video is performed.
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Citations
23 Claims
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1. A method, comprising:
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providing a video signal to a set top box, the video signal being provided by a head end and including a plurality of channels; providing an instruction to the set top box to record a specified portion of the video signal to create a video sample, the specified portion of the video signal being specified by the instruction at least in part by a particular channel of the video signal during a specified time period; receiving the video sample from the set top box; obtaining a reference video corresponding to the video sample, the reference video being obtained from the head end; and comparing the video sample to the reference video. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system, comprising:
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a data warehouse that stores a reference video corresponding to a specified portion of a video signal, the video signal being provided by a head end and including a plurality of channels; and a computer that is connected to a network and the data warehouse and that comprises a computer readable medium tangibly embodying computer executable instructions for; providing an instruction to a set top box via the network to record the specified portion of the video signal to create a video sample, the specified portion of the video signal being specified by the instruction at least in part by a particular channel of the video signal during a specified time period; requesting the video sample from the set top box via the network; requesting the reference video from the data warehouse, the data warehouse obtaining the reference video from the head end; and comparing the video sample to the reference video. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method, comprising:
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receiving a video signal in a set top box, the video signal being provided by a head end and including a plurality of channels, the set top box being located at a customer premises; receiving, in the set top box, an instruction to record a specified portion of the video signal to create a video sample, the specified portion of the video signal being specified by the instruction at least in part by a particular channel of the video signal during a specified time period; providing the video sample from the set top box to a remote computer via a network; obtaining, at the remote computer, a reference video corresponding to the video sample, the reference video being obtained from the head end; and measuring a quality of the video signal at the customer premises by comparing the video sample to the reference video. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A method, comprising:
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providing, from a remote computer via a first network, a video signal to a set top box, the video signal being provided by a head end and including a plurality of channels; receiving the video signal in the set top box; providing, to the set top box, from the remote computer via a second network, an instruction to record a specified portion of the video signal, the specified portion of the video signal being specified by the instruction at least in part by a particular channel of the video signal during a specified time period; receiving, in the set top box, the instruction to record the specified portion of the video signal; creating a video sample in the set top box in response to the instruction to record the specified portion of the video signal; providing the video sample from the set top box to the remote computer via the first network; receiving, from the set top box, the video sample in the remote computer; obtaining in the remote computer a reference video corresponding to the video sample, the reference video being obtained from the head end; and comparing the video sample to the reference video in the remote computer.
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Specification