System and method for progressive delivery of multimedia objects
A technology for multimedia content and subsystems, which is applied in transmission systems, devices and electrical components that provide special services in branches, etc. It can solve the problems of no information in the cache, inability to filter out objects, and the size of objects consuming bandwidth.
Active Publication Date: 2011-11-09
BLACKBERRY LTD
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Problems solved by technology
This approach has the disadvantage that there may be little or no information in the cache when the page starts to download
[0009] When delivering multimedia content objects such as images, even when compressed, the size of the object can consume significant bandwidth
Compressing multimedia content into smaller versions also has limitations
If the compression ratio is high, the reconstructed image may be of unacceptable quality to the end user
Likewise, adding additional compression to already compressed object files can affect quality
On the other hand, images of acceptable quality may be large and may take a long time to download
Because the complete image is usually delivered to the client before being decoded and displayed, the user may have to wait a long time before viewing the image
[0010] Also, certain objects such as images may not be filtered out based on content preferences
For example, if only limited information available for images is stored, it is difficult to filter to allow only those images the user wants to see to be loaded
Method used
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[0042] It should be understood that for simplicity and clarity of illustration, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. Furthermore, numerous specific details were set forth in order to provide a thorough understanding of the embodiments described herein. However, those skilled in the art will understand that the embodiments described herein may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the embodiments described herein. Furthermore, the description should not be read as limiting the scope of the embodiments described herein.
[0043] The present application relates to a system and method for progressive delivery of multimedia content. In general, the systems and methods include: re-encoding the multimedia into a progressive format (where appropriate), such as at...
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The present disclosure relates to methods and systems for progressively delivering multimedia content over a network. According to one aspect, a system for delivering multimedia content through a network includes a server side sub-system and a client side sub-system. The server side sub- system is configured to: concurrently send a first predetermined portion of each of the plurality of objects through the network, wherein the first predetermined portion is less than a complete object for at least one of the plurality of objects; and after sending the first predetermined portion of each of the plurality of objects, successively send subsequent predetermined portions of each of the plurality of objects until all portions of the plurality of objects have been sent. The client side sub-system is configured to: receive the first predetermined portion of each of the plurality of objects through the network; and after receiving the first predetermined portion of each of the plurality of objects, successively receive subsequent predetermined portions of each of the plurality of objects until all portions of each of the plurality of objects have been received.
Description
[0001] priority statement [0002] This application claims priority to US Provisional Application No. 60 / 720,487, filed September 27, 2005, the entire contents of which are hereby incorporated by reference. technical field [0003] The present application relates to the delivery of multimedia content over a network, and more particularly to methods and systems for progressive delivery of multimedia content. Background technique [0004] Network communications, such as web access, enable millions of users around the world to download multimedia content including web pages containing text, images, video, sound data, and programs. [0005] However, as the number and size of web pages continue to grow, fast and efficient delivery of multimedia content is becoming an increasingly difficult task. Additionally, international connections with lower bandwidth can also result in slower content delivery, especially on channels such as dial-up or cellular wireless networks, which can c...
Claims
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IPC IPC(8): H04L29/02H04L12/16
CPCH04L67/06H04L67/02
Inventor 杨恩辉阿吉特·塞恩布赖恩·兰姆王隆吉
Owner BLACKBERRY LTD