Broadcom Corporation

Avago Technologies General IP (singapore) Pte. Ltd.

Avago Technologies International Sales Pte. Limited

Jason C Demas

Xuemin Chen

Sandeep Bhatia

Marcus Christopher Kellerman

Girish Raghunath Hulmani

Brian Francis Schoner

Srinivasa Mogathala Prabhakara Reddy

David A Baer

Pramod Chandraiah

Darren Duane Neuman

Francis Cheung

Arun Gopalakrishna Rao

David Erickson

Gaurav Aggarwal

Steven T Jaffe

Rajesh Mamidwar

Chengfuh Jeffrey Tang

Greg Alan Kranawetter

Patrick Y Law

Iue-Shuenn Chen

Aleksandr M Movshovich

Vivian T Hsiun

Ramanujan K Valmiki

Brad Albert Delanghe

Ut Nguyen

Hoang Nhu

Tracy C Denk

Shawn Val Johnson

James Douglas Sweet

Yao-Hua Tseng

Bhaskar Mala Sherigar

Guang-Ting Shih

Jeffrey S Bauch

David Chao Hua Wu

Brad Grossman

Chuck Monahan

Glen A Grover

Dan Simon

Sang Van Tran

Thu T Nguyen

Hsien-Chih Jim Tseng

Ben Giese

Lakshman Ramakrishnan

Benjamin S Giese

Jeff Tingley

Lakshmikanth Pai

Mahadevan Sivagururaman

Honman Law

Xiaoxin Qiu

Frederick George Walls

Walid Nabhane

Vijayanand Aralaguppe

Jiang Fu

Keith LaRell Klingler

Pascal G Finkenbeiner

Girish Raghunath Hulamani

Ghanashayam Bailwal

Isen Vincent Wang

Wade Keith Wan

Keith LaRell Klinger

Bhatia Sandeep

Subramanian M K Kuppuswamy

Parijat Gupta

Ramakrishnan Lakshman

Ghanashyam Ananthamurthy Bailwal

John P Jordan

Vijayananand Aralaguppe

Bhaskar Sherigar

Girish Raghunath Humlani

Sherman Chen

Systems and methods of handling satellite channel and LTE coexistence are provided. A first device can identify at least one first frequency band. The first device can determine that at least one second frequency band of a plurality of second frequency bands overlaps with the at least one first frequency band. In response to determining that the at least one second frequency band overlaps with the at least one first frequency band, the first device transmits a message including an identifier of the first device and an indication of the at least one second frequency band to a second device. The second device receives the message. The second device, in response to receiving a channel request from the first device, allocates, from the plurality of second frequency bands, a second frequency band different from the at least one second frequency band.

Satellite channel and LTE coexistence

Disclosed are various embodiments that facilitate recording to a storage medium in a personal video recorder (PVR) system. In one embodiment, a transport stream is received. The transport stream is stored into a memory. An index table is generated that provides information for locating particular frames recorded in the memory.

Method of timebase management for MPEG decoding with personal video recording functionality

A method and apparatus for decoding and displaying a bitstream, such as, for example, Motorola/GI HITS bitstream, is provided. The method avoids displaying artifacts caused by displaying incompletely decoded pictures after channel acquisition. After the channel acquisition, an entry picture, a P-picture with the refreshed I-slices at the top of the picture, is first displayed with all pixels below the refreshed I-slices zeroed (blacked) out. Then the subsequent P-pictures are displayed with all pixels below their respective refreshed I-slices zeroed out. Once a P-picture has been completely decoded, normal decoding process is started.

Artifact-free displaying of MPEG-2 video in the progressive-refresh mode

Synchronizing signals in a communication system may include determining the amount of data stored in a buffer, comparing the amount of data to a plurality of threshold levels and adjusting a speed of a clock used for decoding the data based on the comparing. The signals to be synchronized may correspond to a decoder clock in a set top box and to an encoder clock in a head end. The data in the buffer may correspond to packets of data corresponding to compressed audio and video information. The process may also include decoding information based on the clock and slew limited limiting the clock may. The process may further include setting at least one threshold to a calibration threshold during a calibration mode and a post-calibration threshold during a post-calibration.

Method and system for synchronizing signals in a communication system

Command packets for a personal video recorder that provides for a transport stream (TS) that contains data and also includes a transport packet (TP)/TS formatted command packets. The TP/TS formatted command packet may be communicated between any number of devices, including multiple chips, multiple boards, and multiple processors. A decoder is able to decode the TP/TS formatted command packet and to perform the appropriate operation on data portions of the TS. When a TS is provided to a device not having the capability to perform the proper decoding of the TP/TS formatted command packet, that particular packet may be deemed as being unidentified (or unknown) adaptation field data. Alternatively, the packet may be identified as being corrupted data and/or irrelevant data.

Command packets for personal video recorder

Error concealment for motion picture expert group (MPEG) decoding with personal video recording functionality. Error concealment of MPEG data may take place within various components within playback, recording, reading and writing data systems. The error concealment may be provided within existing systems whose components may not be capable of accommodating errors within MPEG data. In certain embodiments, the available data that contain no errors is maximized to conceal those portions of the data that do include errors.

Error concealment for MPEG decoding with personal video recording functionality

A method and system to decode a video stream are provided. The method comprises receiving macroblocks, filtering and decimating the macroblocks to create decimated macroblocks and storing the decimated macroblocks. The method further comprises creating a decimated reference block from one or more decimated macroblocks of a decimated reference picture and interpolating selected pixels of the decimated reference block to create an interpolated reference block. The method further comprises pre-processing selected columns of the interpolated reference block to create a processed reference block for motion compensation.

Reduced memory mode video decode

Methods and apparatus for switching between a live video decoding and a recorded playback in a digital video and recording system. A received video data stream is transmitted to a first-in first-out video decoder buffer without first looping the video data stream through a playback buffer. The video data stream is transmitted from the video decoder buffer to a video decoder. If a 'pause' command is received, the video data stream is transmitted to a first-in first-out playback buffer, while continuing to transmit the video data stream to the video decoder buffer. Transmission of the video data stream to the video decoder buffer is halted when the video decoder buffer fills up. The last byte of the video data stream that was transmitted to the video decoder buffer is marked. If a 'play' command is received, the video data stored in the video decoder buffer is transmitted to the video decoder. The video data stored in the playback buffer is transmitted to the video decoder buffer starting at a point immediately after the data element that was marked previously.

Apparatus and method of seamless switching between a live DTV decoding and a PVR playback

Presented herein are systems, methods, and apparatus for improving performance of video decoders during rewind and fast forward operation. Video decoder performance is improved by avoiding repetitive decoding of prediction pictures. When a decoded prediction picture is stored in a frame buffer, techniques are presented for decoding multiple pictures in the rewind order which are dependent thereon, displaying the picture directly from the frame buffer, and setting one type of prediction picture as another type of prediction picture.

Performing personal video recording (PVR) functions on digital video streams

A television on a chip (TVOC) system that provides a cost effective approach for providing television functionality on a single integrated circuit chip is disclosed. A TVOC includes the functionality necessary to receive and display television signals in a variety of input and output formats. A TVOC can be used in set-top boxes for cable and satellite television, or directly within a television. All functionality provided can be provided on a single integrated circuit. TVOC includes a data transport module, an IF demodulator, a digital audio engine, an analog audio engine, a digital video engine, and an analog video engine. The TVOC also includes three sets of interfaces including output interfaces, control interfaces and ancillary interfaces. Further features and embodiments provide enhanced functionality and increased efficiencies.

Television functionality on a chip

Systems and methods that provide time-based management for MPEG decoding are provided. In one example, a method for live decoding in a personal video recorder system includes the steps of receiving at least one data packet; determining at least one program clock reference (PCR) using the at least one data packet; and locking a timing mechanism to the at least one determined PCR.

Error concealment for motion picture expert group (MPEG) decoding with personal video recording functionality. Error concealment of MPEG data may take place within various components within playback, recording, reading and writing data systems. The error concealment may be provided within existing systems whose components may not be capable of accommodating errors within MPEG data. In certain embodiments, the available data that contain no errors is maximized to conceal those portions of the data that do include errors. Various layers may be accommodated while performing error concealment, including the MPEG transport stream layer, the video layer, and the audio layer.

Systems and methods that provide personal video recording trick modes are provided. In one example, a method that provides a trick mode in a personal video recording system may include the steps of receiving a transport stream; storing data from the transport stream in a data storage; generating index table using the data from the transport stream; receiving a trick mode command; and accessing, based on the trick mode command, particular data in the data storage using the index table.

System and method for providing personal video recording trick modes

A method and apparatus are provided for implementing an enhanced reduced memory mode (RMM) of decoding HDTV MPEG-2 video stream. In one instance, the RMM mode is adaptively enabled with up/down conversion by using the picture-type information. In another instance, the RMM mode is provided by performing anchor-frame compression/decompression by using adaptive DPCM technique with picture-type information. The quantization (PCM) tables are generated using the Lloyd algorithm. Further, the predictor for each pixel is determined by a use of the Graham rule.

Method and apparatus for implementing reduced memory mode for high-definition television

Growing community of inventors

Irvine, CA, United States of America

Jason C Demas