Invention Grant
- Patent Title: DASH client and receiver with playback rate selection
- Patent Title (中): DASH客户端和接收机具有播放速率选择
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Application No.: US13745809Application Date: 2013-01-20
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Publication No.: US09386058B2Publication Date: 2016-07-05
- Inventor: Qiang Gao , Michael George Luby , Yinian Mao , Lorenz Christoph Minder , Kevin Roland Fall
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agent Campbell C. Chiang
- Main IPC: H04L29/06
- IPC: H04L29/06 ; H04N21/6373 ; H04N21/2343 ; H04N21/239 ; H04N21/44 ; H04N21/442 ; H04N21/845

Abstract:
A client device presents streaming media and includes a stream manager, a request accelerator, and a source component coupled to the stream manager and the request accelerator for determining which requests to make. A rate selection process can make rate decisions so that the buffer is filled when it is low, avoiding erratically changing rates and can choose the correct steady rate quickly. Multimedia download strategies can be used for HTTP that allow for accurate rate estimations, achieving link capacity even if network delays and packet loss rates are high, achieving timely delivery of the stream, and achieving relatively steady download rates with little short term variability. A receiver might use multiple HTTP connections, decompose media requests into smaller chunk requests, synchronize the connections using TCP flow control mechanisms, and request data in bursts. In addition, the receiver might use an HTTP pipelining process to keep the connections busy.
Public/Granted literature
- US20130227080A1 DASH CLIENT AND RECEIVER WITH PLAYBACK RATE SELECTION Public/Granted day:2013-08-29
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