Multiple closed captioning flows and customer access in digital networks
First Claim
Patent Images
1. A customer premise equipment (CPE) device for connecting to a digital network, the CPE device comprising:
- a user input device for transmitting a request to a digital subscriber line access multiplexer (DSLAM) that initiates a selection in the DLSAM of at least one closed caption (CC) signal from among a plurality of CC signals responsive to receiving a user input specifying one or more channels for which closed caption (CC) information is sought, the CC signal corresponding to the CC information; and
a decoder for receiving the CC information for the one or more channels specified by the user input, and for overlaying the CC information for a particular one or the one or more channels on programming content that is to be displayed for another one of the one or more channels.
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Abstract
There are provided a customer premise equipment (CPE) device, a corresponding method, and a Digital Subscriber Line Access Multiplexer (DSLAM) for connecting to a digital network. The CPE device includes a user input device for receiving a user input specifying one or more channels for which closed caption (CC) information is sought. The CPE device also includes a decoder for receiving the CC information for the one or more channels specified by the user input.
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Citations
16 Claims
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1. A customer premise equipment (CPE) device for connecting to a digital network, the CPE device comprising:
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a user input device for transmitting a request to a digital subscriber line access multiplexer (DSLAM) that initiates a selection in the DLSAM of at least one closed caption (CC) signal from among a plurality of CC signals responsive to receiving a user input specifying one or more channels for which closed caption (CC) information is sought, the CC signal corresponding to the CC information; and a decoder for receiving the CC information for the one or more channels specified by the user input, and for overlaying the CC information for a particular one or the one or more channels on programming content that is to be displayed for another one of the one or more channels. - View Dependent Claims (2, 3, 4, 5, 6, 13, 14)
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7. A method for receiving closed caption (CC) information in a customer premise equipment (CPE) device for connecting to a digital network, the method comprising the steps of:
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transmitting a request to a digital subscriber line access multiplexer (DSLAM) that initiates a selection in the DSLAM of at least one closed caption (CC) signal from among a plurality of CC signals responsive to a user input from the CPE specifying one or more channels for which closed caption (CC) information is sought; receiving the CC information for the one or more channels specified by the user input from the DSLAM; and overlaying the CC information for a particular one or the one or more channels on programming content that is to be displayed for another one of the one or more channels. - View Dependent Claims (8, 9, 10, 11, 12, 15, 16)
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Specification