公开(公告)号：US20230328133A1

公开(公告)日：2023-10-12

申请号：US18300100

申请日：2023-04-13

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Mingchao Yu ,  Oliver O'Neill ,  Thomas Franklin Antioch ,  Vahid Naghshin ,  Jason Michael Cloud ,  Mark Craig Reed ,  Jeffrey Riedmiller ,  Elliot Osborne

IPC: H04L67/101 ,  H04L43/08

CPC classification number: H04L67/101 ,  H04L43/08

Abstract: Apparatuses and methods for data traffic management in multi-source content delivery are described. The apparatus includes a downloader and a controller. The downloader is coupled to servers via communication links. The controller is configured to determine initial download requests for the servers based on predetermined information about a quality of the links. The controller is also configured to send the initial download requests to the servers with the downloader. The controller is further configured to update the information about the quality of the communication links after the downloader receives data associated with a data file from the servers via the communication links. The controller is also configured to determine subsequent download requests for the servers based on the updated information about the quality of the communication links. The controller of further configured to send the subsequent download requests to the servers via the downloader.

公开(公告)号：US20210091885A1

公开(公告)日：2021-03-25

申请号：US17113553

申请日：2020-12-07

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Mingchao Yu ,  Mark Craig Reed

IPC: H04L1/00 ,  H04L1/20 ,  H04L29/06 ,  H04L29/04

Abstract: A control unit of a multipath data transportation system that optimizes the load of the multiple communication paths of this system when the system transmits a data segment over these paths in parallel with forward error correction. The control unit determines an optimized number of packets to send over each path based on a prediction of quality for each path. The transmitted packets include systematic packets and coded packets.

公开(公告)号：US20250097287A1

公开(公告)日：2025-03-20

申请号：US18815358

申请日：2024-08-26

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Mingchao Yu ,  Oliver O'Neill ,  Thomas Franklin Antioch ,  Vahid Naghshin ,  Jason Michael Cloud ,  Mark Craig Reed ,  Jeffrey Riedmiller ,  Elliot Osborne

IPC: H04L67/101 ,  H04L43/08

Abstract: Apparatuses and methods for data traffic management in multi-source content delivery are described. The apparatus includes a downloader and a controller. The downloader is coupled to servers via communication links. The controller is configured to determine initial download requests for the servers based on predetermined information about a quality of the links. The controller is also configured to send the initial download requests to the servers with the downloader. The controller is further configured to update the information about the quality of the communication links after the downloader receives data associated with a data file from the servers via the communication links. The controller is also configured to determine subsequent download requests for the servers based on the updated information about the quality of the communication links. The controller of further configured to send the subsequent download requests to the servers via the downloader.

公开(公告)号：US11671485B2

公开(公告)日：2023-06-06

申请号：US17436480

申请日：2020-03-04

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Mingchao Yu ,  Oliver O'Neill ,  Thomas Franklin Antioch ,  Vahid Naghshin ,  Jason Michael Cloud ,  Mark Craig Reed ,  Jeffrey Riedmiller ,  Elliot Osborne

IPC: G06F15/173 ,  H04L67/101 ,  H04L43/08

CPC classification number: H04L67/101 ,  H04L43/08

Abstract: Apparatuses and methods for data traffic management in multi-source content delivery are described. The apparatus includes a downloader and a controller. The downloader is coupled to servers via communication links. The controller is configured to determine initial download requests for the servers based on predetermined information about a quality of the links. The controller is also configured to send the initial download requests to the servers with the downloader. The controller is further configured to update the information about the quality of the communication links after the downloader receives data associated with a data file from the servers via the communication links. The controller is also configured to determine subsequent download requests for the servers based on the updated information about the quality of the communication links. The controller of further configured to send the subsequent download requests to the servers via the downloader. Rate adaptation is also proposed for each server, and download termination requests are transmitted to the servers when the download is almost complete at the apparatus.

公开(公告)号：US11012190B2

公开(公告)日：2021-05-18

申请号：US16518587

申请日：2019-07-22

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Mingchao Yu ,  Mark Craig Reed

IPC: H04L1/00 ,  H04L12/707

Abstract: Systems and methods to transmit data over multiple communication channels in parallel with forward error correction. An optimized number is determined to partition a data segment of a given size into the optimized number of original packets of the same size, by reducing the cost of transmitting dummy data added to the original packets due to the partition, the data fields added to communication packets to support decoding, and redundant packets that are expected to be transmitted via a plurality of parallel channels before the termination of the transmission, as well as the computation cost that increases as a function of the number of original packets. Copies of packets are generated by distributing the original packets to the copies as initial packets and generating each subsequent channel-encoded packet by rejecting useless channel-encoded packets in view of packets assumed to have been received prior to the transmission of the subsequent channel-encoded packet.

公开(公告)号：US20240348891A1

公开(公告)日：2024-10-17

申请号：US18750847

申请日：2024-06-21

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Jeffrey Riedmiller ,  Mingchao Yu ,  Jason Michael Cloud

IPC: H04N21/60 ,  H04N21/2183

CPC classification number: H04N21/60 ,  H04N21/2183

Abstract: A method for delivering media content to one or more clients over a distributed system is disclosed. The method may include generating a plurality of network-coded symbols from a plurality of original symbols representing a first media asset. The method may further include generating an original plurality of coded variants of the first media asset. The method may further include distributing a first coded variant of the original plurality of coded variants to a first cache on a first server device for storage in the first cache. The method may further include distributing a second coded variant of the original plurality of coded variants to a second cache on a second server device for storage in the second cache.

公开(公告)号：US12081841B2

公开(公告)日：2024-09-03

申请号：US18256987

申请日：2021-12-16

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Jeffrey Riedmiller ,  Mingchao Yu ,  Jason Michael Cloud

IPC: G06F15/16 ,  H04N21/2183 ,  H04N21/60

CPC classification number: H04N21/60 ,  H04N21/2183

Abstract: A method for delivering media content to one or more clients over a distributed system is disclosed. The method may include generating a plurality of network-coded symbols from a plurality of original symbols representing a first media asset. The method may further include generating an original plurality of coded variants of the first media asset. The method may further include distributing a first coded variant of the original plurality of coded variants to a first cache on a first server device for storage in the first cache. The method may further include distributing a second coded variant of the original plurality of coded variants to a second cache on a second server device for storage in the second cache.

公开(公告)号：US11349599B2

公开(公告)日：2022-05-31

申请号：US17113553

申请日：2020-12-07

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Mingchao Yu ,  Mark Craig Reed

IPC: H04L1/00 ,  H04L1/20 ,  H04L69/14 ,  H04L43/0829 ,  H04L47/27 ,  H04L45/24 ,  H04L45/302

Abstract: A control unit of a multipath data transportation system that optimizes the load of the multiple communication paths of this system when the system transmits a data segment over these paths in parallel with forward error correction. The control unit determines an optimized number of packets to send over each path based on a prediction of quality for each path. The transmitted packets include systematic packets and coded packets.

公开(公告)号：US10361817B2

公开(公告)日：2019-07-23

申请号：US15411097

申请日：2017-01-20

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Mingchao Yu ,  Mark Craig Reed

IPC: H04L12/28 ,  H04L1/00 ,  H04L12/707

Abstract: Systems and methods to transmit data over multiple communication channels in parallel with forward error correction. An optimized number is determined to partition a data segment of a given size into the optimized number of original packets of the same size, by reducing the cost of transmitting dummy data added to the original packets due to the partition, the data fields added to communication packets to support decoding, and redundant packets that are expected to be transmitted via a plurality of parallel channels before the termination of the transmission, as well as the computation cost that increases as a function of the number of original packets. Copies of packets are generated by distributing the original packets to the copies as initial packets and generating each subsequent channel-encoded packet by rejecting useless channel-encoded packets in view of packets assumed to have been received prior to the transmission of the subsequent channel-encoded packet.

公开(公告)号：US12119928B2

公开(公告)日：2024-10-15

申请号：US17989117

申请日：2022-11-17

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Mingchao Yu ,  Mark Craig Reed

IPC: H04L1/00 ,  H04L12/40 ,  H04L67/60 ,  G06F9/48 ,  G06F13/37

CPC classification number: H04L1/0041 ,  H04L1/0033 ,  H04L1/0045 ,  G06F9/4881 ,  G06F13/37 ,  H04L12/4015 ,  H04L67/60

Abstract: Systems and methods to transmit data over multiple communication channels in parallel with forward error correction. Original packets are evenly distributed to the channels as the initial systematically channel-encoded packets. Subsequent channel-encoded packets are configured to be linearly independent of their base sets of channel-encoded packets, where a base set for a subsequent channel-encoded packet includes those scheduled to be transmitted before the subsequent packet in the same channel as the subsequent packet, and optionally one or more initial packets from other channels. The compositions of the sequences of the encoded packets can be predetermined without the content of the packets; and the channel-encoded packets can be generated from the original packets on-the-fly by the transmitters of the channels during transmission. When a sufficient number of packets have been received via the channels, a recipient may terminate their transmissions.