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1. 发明申请

US20210306705A1 METHOD FOR PLAYING ON A PLAYER OF A CLIENT DEVICE A CONTENT STREAMED IN A NETWORK 有权
公开(公告)号：US20210306705A1
公开(公告)日：2021-09-30
申请号：US16939571
申请日：2020-07-27
申请人： STREAMROOT
发明人： Hiba YOUSEF , Alexandre STORELLI , Axel DELMAS
IPC分类号： H04N21/466 , H04L29/06 , H04N21/44 , H04N21/437
摘要： The present invention relates to a method for playing on a player of a client device (11) a content streamed in a network (1), said content consisting of a sequence of segments available in a plurality of quality levels, the player being configured so as to choose the quality level of the segments as a function of at least one parameter representative of a segment reception rate, according to an Adaptive BitRate, ABR, logic of the player; the client device (11) comprising a first buffer (M1) for storing segments in a format adapted for transferring within the network (1), the method being characterized in that it comprises performing by a processing unit (110) of the client device (11): (a) receiving from the player a request for a current segment at a first quality level; (b) determining that the player will request according to its ABR logic a next segment at a second quality level after said requested current segment is provided from the first buffer memory (M1), using a model predicting the ABR logic of the player; (c) if said next segment is not present at said second quality level in the first buffer memory (M1), fetching said next segment at said second quality level from the network (1).

2. 发明授权

US10158923B2 Method of broadcasting contents by streaming in a peer-to-peer network 有权
公开(公告)号：US10158923B2
公开(公告)日：2018-12-18
申请号：US15517479
申请日：2015-10-09
申请人： STREAMROOT
发明人： Axel Delmas , Nikolay Rodionov
IPC分类号： H04N21/63 , H04L29/06 , H04L29/08
摘要： The present invention relates to a method of broadcasting a content by streaming in a peer-to-peer network (10) of client devices (11, 12, 13) which is connected to a content server (2), said content consisting of a sequence of segments stored on data storage means of the content server (2), each client device (11, 12, 13) comprising a buffer memory storing in a temporary manner at least one segment of said content, the method being characterized in that each client device (11, 12, 13) is associated with a level defining a minimal list of segments of the content that have to be stored by the buffer memory of the device (11, 12, 13), the method comprising steps of: (a) connection of a new client device (14) to the peer-to-peer network (10); (b) assignment of a level to the new client device (14) as a function of the number of client devices (11, 12, 13) associated with each level; (c) transmission to said new client device (14) from the server (2) of at least each segment of the content which is absent from the buffer memory of the new client device (14), which belongs to said list of segments of the content corresponding to the level assigned to the new client device (14).

3. 发明授权

US11637881B2 Method for playing on a player of a client device a content streamed in a network 有权
公开(公告)号：US11637881B2
公开(公告)日：2023-04-25
申请号：US17371014
申请日：2021-07-08
申请人： STREAMROOT
发明人： Hiba Yousef , Alexandre Storelli
IPC分类号： H04L65/612 , H04L65/75 , H04L65/80 , H04L67/1025 , H04L67/1061
摘要： The present invention relates to a method for playing on a player of a client device a content streamed in a network, including: (a) receiving from the player a request for a current segment at a first quality level; (b) determining, using a closed loop controller minimizing a difference between a first quality level and a setpoint second quality level, an optimal response delay for providing the requested current segment; and (c) providing the requested current segment from a first buffer at the expiration of said estimated optimal response delay.

4. 发明申请

US20220337897A1 METHOD FOR PLAYING ON A PLAYER OF A CLIENT DEVICE A CONTENT STREAMED IN A NETWORK 有权
公开(公告)号：US20220337897A1
公开(公告)日：2022-10-20
申请号：US17371006
申请日：2021-07-08
申请人： STREAMROOT
发明人： Hiba YOUSEF , Alexandre STORELLI
IPC分类号： H04N21/2662 , H04N21/24 , H04L29/06 , H04N21/25
摘要： The present invention relates to a method for playing on a player of a client device (11) a content streamed in a network (1), said content consisting of a sequence of segments available in a plurality of quality levels, the player being configured to request segments at a selectable quality level; the method being characterized in that it comprises performing by a processing unit (110) of the client device (11): (a) obtaining from the network (1) a model approximating an Adaptive BitRate, ABR, logic for choosing said quality level of the segments as a function of at least one parameter representative of a segment reception rate; (b) determining, according to said obtained model, a first quality level at which the player would have requested a current segment if the player was applying said ABR logic; (c) configuring the player to select said first quality level as quality level for requesting segments.

5. 发明申请

US20220193551A1 METHOD FOR CONTROLLING A PLAYER PLAYING A DATA STREAM STREAMED IN A PEER-TO-PEER NETWORK 有权
公开(公告)号：US20220193551A1
公开(公告)日：2022-06-23
申请号：US17393295
申请日：2021-08-03
申请人： STREAMROOT
发明人： Axel DELMAS , Vivien MARCAULT , Igor MUKAM , Alexandre STORELLI
IPC分类号： A63F13/58 , A63F13/352 , A63F13/46
摘要： A method for controlling a player of a client device comprising a cache for storing segments of a data stream in a format adapted for transfers within a P2P network, the player being configured to play segments of the data stream stored in a buffer, and whenever an amount of data pending for playback in the buffer is less than a threshold parameter of the player, request other segments of the data stream to be transferred from the peer-to-peer cache to the buffer, wherein the method comprises: determining a download completion ratio associated with a reference segment of the data stream; computing a score depending on the download completion ratio, changing the threshold parameter of the player from a first value to a second value greater than the first value only if the score meets a predefined condition.

6. 发明授权

US11128685B2 Method for broadcasting streaming contents in a peer-to-peer network 有权
公开(公告)号：US11128685B2
公开(公告)日：2021-09-21
申请号：US16832088
申请日：2020-03-27
申请人： STREAMROOT
发明人： Hiba Yousef , Paul-Louis Ageneau , Axel Delmas
IPC分类号： H04L29/06 , H04L12/861 , H04L29/08
摘要： The present invention relates to a method for streaming, on a player of a client device (11), a broadcast content within a peer-to-peer network (10) of client devices (11, 12), said content consisting of a sequence of segments available in a plurality of levels of quality and said player being adapted to choose the level of quality of the segments in accordance with an adaptive bitrate ABR regulation logic; the client device (11) comprising a first buffer (M1) adapted to store segments in a format suitable for transfer within the peer-to-peer network (10), the method being characterized in that it comprises the implementation, by data processing means (110) of the device (11), of steps of: a. Receiving a request for a segment from the player; b. Providing, in response, said segment from the first buffer (M1) upon expiry of a response deadline defined with respect to said ABR logic of the player.

7. 发明申请

US20210268375A1 METHOD FOR PLAYING ON A PLAYER OF A CLIENT DEVICE A CONTENT STREAMED IN A NETWORK 有权
公开(公告)号：US20210268375A1
公开(公告)日：2021-09-02
申请号：US16939580
申请日：2020-07-27
申请人： STREAMROOT
发明人： Hiba YOUSEF , Alexandre STORELLI
IPC分类号： A63F13/355
摘要： The present invention relates to a method for playing on a player of a client device (11) a content streamed in a network (1), said content consisting of a sequence of segments available in a plurality of quality levels, the player being configured so as to choose the quality level of the segments as a function of at least one parameter representative of a segment reception rate, according to an Adaptive BitRate, ABR, logic of the player; the client device (11) comprising a first buffer (M1) for storing segments in a format adapted for transferring within the network (1), the method being characterized in that it comprises performing by a processing unit (110) of the client device (11): (a) receiving from the player a request for a current segment at a first quality level; (b) estimating, fora second quality level, an optimal response delay such that providing the requested current segment at the expiration of said optimal response delay will cause the player to request according to its ABR logic a next segment at said second quality level, as a function of a model trained from a database of training examples each associating a vector of measured parameters representative of a segment reception rate with the corresponding quality level subsequently chosen by the player according to its ABR logic; (c) providing the requested current segment from the first buffer memory (M1) at the expiration of said estimated optimal response delay.

8. 发明申请

US20220401836A1 METHOD FOR PLAYING ON A PLAYER OF A CLIENT DEVICE A CONTENT STREAMED IN A NETWORK 有权
公开(公告)号：US20220401836A1
公开(公告)日：2022-12-22
申请号：US17895663
申请日：2022-08-25
申请人： Streamroot
发明人： Hiba Yousef , Alexandre Storelli
IPC分类号： A63F13/355
摘要： The present invention relates to a method for playing on a player of a client device (11) a content streamed in a network (1), said content consisting of a sequence of segments available in a plurality of quality levels, the player being configured so as to choose the quality level of the segments as a function of at least one parameter representative of a segment reception rate, according to an Adaptive BitRate, ABR, logic of the player; the client device (11) comprising a first buffer (M1) for storing segments in a format adapted for transferring within the network (1), the method being characterized in that it comprises performing by a processing unit (110) of the client device (11):
(a) receiving from the player a request for a current segment at a first quality level;
(b) estimating, fora second quality level, an optimal response delay such that providing the requested current segment at the expiration of said optimal response delay will cause the player to request according to its ABR logic a next segment at said second quality level, as a function of a model trained from a database of training examples each associating a vector of measured parameters representative of a segment reception rate with the corresponding quality level subsequently chosen by the player according to its ABR logic;
(c) providing the requested current segment from the first buffer memory (M1) at the expiration of said estimated optimal response delay.

9. 发明授权

US11528658B2 Method for obtaining a data segment by a client device capable of communicating with a plurality of content delivery networks 有权
公开(公告)号：US11528658B2
公开(公告)日：2022-12-13
申请号：US16825809
申请日：2020-03-20
申请人： STREAMROOT
发明人： Axel Delmas , Paul-Louis Ageneau
IPC分类号： H04W48/18 , H04L43/0882 , H04W24/08 , H04L65/61
摘要： There is proposed a method for obtaining a data segment by a client device capable of communicating with a plurality of content delivery networks (CDN1, CDN2), the method comprising the following steps: for each network of the plurality of networks, calculating (100) a score associated with the network indicative of a quality of transmission of data from the network to the client device; randomly drawing (102) a network in the plurality of networks, the random draw being adapted so that a probability of drawing a network of the plurality associated with a score indicative of a first quality of transmission is higher than a probability of drawing a network of the plurality associated with a score indicative of a second quality of transmission lower than the first quality of transmission; and requiring (104) the drawn network for the client device to obtain the data segment from the drawn network.

10. 发明申请

US20220337643A1 METHOD FOR PLAYING ON A PLAYER OF A CLIENT DEVICE A CONTENT STREAMED IN A NETWORK 有权
公开(公告)号：US20220337643A1
公开(公告)日：2022-10-20
申请号：US17371014
申请日：2021-07-08
申请人： STREAMROOT
发明人： Hiba YOUSEF , Alexandre STORELLI
IPC分类号： H04L29/06 , H04L29/08
摘要： The present invention relates to a method for playing on a player of a client device a content streamed in a network, including: (a) receiving from the player a request for a current segment at a first quality level; (b) determining, using a closed loop controller minimizing a difference between a first quality level and a setpoint second quality level, an optimal response delay for providing the requested current segment; and (c) providing the requested current segment from a first buffer at the expiration of said estimated optimal response delay.

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