Abstract: A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (BL) in a multi-layer system using adaptive phase shifting to improve quality in Scalable High efficiency Video Coding (SHVC). In order to compensate for phase offsets introduced by downsampling an appropriate phase offset adjustment is made for upsampling in SHVC with an appropriate offset included for proper luma/chroma color space positions. In one approach the luma/chroma phase offset is specified and a filter is selected to apply the appropriate phase change.

Abstract: A set top box is provided that includes an RF front-end for receiving programming content over a distribution communication network. A processor is operatively associated with the RF front-end and a storage device is operatively associated with the processor. An interface is provided for establishing communication with an external device. In response to a signal received from the distribution network over the RF front-front identifying at least one programming object to be downloaded thereto, the processor is configured to locate and receive the programming object from the external device through the interface.

Abstract: A method implemented in a computer system for inserting advertisements into an audio/video stream. The method receives the audio/video stream, and monitors it to detect an advertisement insertion notification for the audio/video stream. The advertisement insertion notification references an advertisement insertion point at a position in the audio/video stream. The method determines a disposition of the audio/video stream at the position, and examines at least one advertisement stream to identify a matching advertisement stream having an advertisement disposition that agrees with the disposition of the audio/video stream at the position. The method inserts the matching advertisement stream into the audio/video stream at the position.

Abstract: A method for DTCP to HLS conversion is provided that starts with a standard DTCP Protected Content Packet (PCP) structure. The PCP payload data is chunked at defined chunk boundaries. Each chunk is then appended with a pad to be compatible with HLS. An HLS playlist is then provided using the PCP header with identification of the chunks and a keytag. The chunk is encrypted with a DTCP key calculated by the DTCP standard using: (a) copy control bits; (b) a nonce, and (c) an exchange key ID. Relevant PCP header fields are provided in the keytag for the HLS playlist, including the value of the copy control bits, the nonce and the exchange key ID, supporting the transaction that enables calculation of the DTCP content key to enable later decryption of the chunks.

Abstract: A process to enable trick play operations is provided for HLS streaming video that has been converted by a system from DTCP. The system server provides a modified SEEK operation when an HLS GET message is received from an HLS client player. For the process, a DLNA header is provided from the HLS client player by including it in the HLS GET message. The HLS client also provides a DLNA RANGE REQUEST that requests a range of chunks making up a video desired and a seek point from where a seek operation is needed. The HLS server recognizes the DLNA header of the HLS GET message and DLNA RANGE REQUEST and obtains a range of chunks making up an extent of the recorded video using metadata fields. The server then generates a new HLS playlist with identification of the chunks and keytag corresponding to the seek operation. The server will provide chunks from the seek point and a rolling playlist to identify chunks and keytag from the seek point.

Abstract: A method of optimizing the delivery of content over a content delivery network to client devices in accordance with optimization rules is provided. Requests for allocation and release of content delivery resources over a content delivery network are monitored, and the processing capabilities of client devices receiving content over the content delivery network are determined. Network resources are re-allocated based on optimization rules and the processing capabilities, and the client devices are directed to use re-allocated resources for reception of content. Apparatus and client devices for performing the method are also disclosed.

Abstract: Methods of adding an inline reply to a video email/message and presenting a chain of video emails/messages are provided. A video email/message is received and an inline reply to the video email/message is generated and associated with a point during playback of the video email/message. The inline reply is sent by return email such that, during subsequent playback of the video email/message, playback of the video email/message is paused at the point and the inline reply is displayed.

Abstract: A method implemented on a multi-tuner receiver system coupled to a plurality of multimedia nodes is disclosed, comprising: monitoring user input on the multi-tuner receiver system; identifying a first channel which the user is likely to select based on the user input; and speculatively tuning to the first channel using a first tuner prior to the user selecting the first channel.

Abstract: Systems, devices, and methods for hybrid anti-clipping in optical links in hybrid fiber-coaxial (HFC) networks are disclosed. A hybrid anti-clipping circuit can be included in both the uplink and downlink paths of the HFC network to avoid driving the laser in the optical link above a clipping threshold. The anti-clipping circuit can compare the average, or RMS, input power level and the power envelope of a RF input signal to a clipping threshold associated with the particular laser module being used. If the average power is above the clipping threshold, then the input signal can be attenuated proportionally to avoid clipping. If peaks in the power envelope are above the clipping threshold, then the bias current of the laser module can be adjusted to avoid clipping. Accordingly, the modes of anti-clipping circuit operation include applying attenuation to the input signal and/or adjusting the laser module bias current.

Abstract: Methods, systems, and computer readable media can be operable to facilitate the transfer of content between two or more storage units. The transfer of content between two or more storage units can be based upon a count of the number of hits to a storage unit entry associated with the content. In embodiments, the transfer of content between two or more storage units can be further based upon a predetermined threshold associated with a period.

Abstract: An optical network terminal is provided for use in a passive optical network (PON). The optical network terminal includes a data port for receiving data packets from an external device and a processor for converting the data packets to data link frames. In addition, the optical network terminal includes a memory configured to store a time division multiplexing scheme identifying a time slot assigned to each of a plurality of network nodes in the PON for transmission of upstream optical signals. An optical transceiver is provided for converting the data link frames to upstream optical signals and transmitting the optical signals on an upstream TDMA (time division, multiple access) channel to an Optical Line Terminal (OLT). The optical transceiver includes a burst mode laser diode for generating the optical signals and a burst mode laser driver for biasing the laser diode with a bias signal and a modulation bias signal. The laser driver includes a dual closed loop feedback control circuit.

Abstract: A packet data flow processor applies a first level of Data Over Cable Service Interface Specification (DOCSIS) processing to packet flows that are not from trusted sources, and applies a second level of DOCSIS processing, simpler than the first level, to packet flows from the trusted sources.

Abstract: Systems and methods can provide for specifying and enforcing IPv4 and IPv6 CPE limits in a modem device. In some implementations, such systems and methods can inspect a packet originating from CPEs behind a modem to determine whether the packet is an IPv4 or IPv6 packet. Such systems and methods can compare the packet source MAC address to determine whether the address exists in the IPv4 and/or IPv6 CPE tables. The modem can then perform varying actions based on IPv4 or IPv6 CPE limit enforcement mechanisms, thereby alleviating the problem of a single CPE limit enforcement policy for all CPEs.

Abstract: Methods, systems, and apparatuses operate to adjust transmission power of a customer premise equipment device using a transmit channel set parameter. Power characteristics associated with a received signal from a customer premise equipment device can be identified, and a determination is made whether to adjust a transmission power associated with transmission of the signal. Based upon the determination, an adjustment can be made to the transmission power using a transmit channel set parameter, thereby adjusting the channels used by the customer premise equipment device to transmit the signal.

Abstract: This disclosure relates to populating a sliding window view comprising one or more rows associated with one or more view intervals. In some implementations of this disclosure, the sliding window view can store the history of previous view results and each row in the sliding window view can correspond to a fixed interval of time. In some implementations, the sliding window view can store a constant number of view results by purging existing view results within the sliding window view. The sliding window view can provide a user with a convenient and efficient means for displaying data summary tables corresponding to a period of time.

Abstract: Systems and methods can provide a gateway-based video client proxy subsystem for managing delivery of segmented video in a stateful system. Such systems can operating to provide segmented video streams client devices via customer premise gateway devices. The system can receive state information from the customer premise gateway devices for use in managing network resources associated transmitting with the segmented video streams, and deriving allocations of bandwidth to flows associated with the client devices based upon the state information received from the customer premise gateway devices.

Abstract: Methods, systems, and computer readable media can be operable to distinguish between data signals and video signals based upon interleaver depths associated with the signals. A CPE device can identify an interleaver depth associated with a signal and can make the determination that the signal is a video signal when the interleaver depth is outside of a predetermined range, the predetermined range being based on interleaver depths that are expected for a data signal.

Abstract: Systems and methods of minimizing distortion produced when modulating an optical signal using an electrical signal.

Abstract: A system is provided for coordinating the presentation of program content received from a first network and a second network independent from the first network. The system uses heartbeat messages typically transmitted along communication paths to monitor the operation of the communications paths to transmit information necessary for stream switching to alternate programming or alternate sources of the same programming.

Abstract: An upgradeable electrical add/drop multiplexer is provided that is capable of processing light at numerous wavelengths thereby eliminating the need to add an optical add/drop multiplexer to an existing electrical add/drop multiplexer to process new services provided at different wavelengths than the wavelengths for which the existing electrical add/drop multiplexer are designed. The electrical add/drop multiplexer may be used to process light transmitted over a passive optical network under an RFoG, EPON, and/or 10GPON standard or any combination thereof or may be upgraded for future standards.