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Apparatus and method for transmitting multimedia objects in digital multimedia broadcasting

A multimedia broadcasting and multimedia technology, applied in the direction of broadcast information generation, repeated broadcast/distribution of the same information, transmission system, etc., can solve problems such as impossible to check the reception of multimedia objects

Inactive Publication Date: 2008-11-05
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Also, since the DMB service provides a one-way service like a conventional broadcast service, it is impossible to check the reception of multimedia objects
As a result, unlike audio and video signals, which can tolerate a predetermined amount of errors, the problems caused by errors in receiving multimedia objects can be particularly pronounced

Method used

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  • Apparatus and method for transmitting multimedia objects in digital multimedia broadcasting
  • Apparatus and method for transmitting multimedia objects in digital multimedia broadcasting
  • Apparatus and method for transmitting multimedia objects in digital multimedia broadcasting

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Embodiment Construction

[0037] Hereinafter, preferred embodiments will be described with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail for clarity.

[0038] image 3 It shows the schematic structural diagram of the device for transmitting multimedia objects in digital multimedia broadcasting according to the present invention.

[0039] refer to image 3 , the apparatus (100) for transmitting multimedia objects may include a multimedia object generator (110), a controller (120), a transmission queue (130) and a multimedia object transmitter (140). The multimedia object generator (110) generates multimedia objects such as text in file format, still image, movie, audio sequence, and then outputs to the controller (120).

[0040] The controller (120) controls the overall operation of the apparatus for transmitting multimedia objects according to the present invention. The controller (120) stores the number infor...

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Abstract

An apparatus and method for transmitting multimedia objects in DMB is disclosed to reduce transfer delays and transfer errors during a multimedia object transfer by using a multimedia object transfer protocol in the digital multimedia broadcasting. The method for transmitting multimedia objects comprises; scheduling to-be-transmitted multimedia objects based on a pre-set number of iterative transfer times in such a manner that no identical multimedia objects are consecutively transmitted; inserting the scheduled multimedia objects into a transfer queues; and transmitting the transport queue-inserted multimedia objects to a Digital Multimedia Broadcasting receiving terminal via a multimedia object transfer protocol. As a result, transmission errors that occur during transmission of the multimedia objects to the digital multimedia broadcasting receiving termial using the multimedia object transfer protocol can be prevented.

Description

technical field [0001] This description relates to a device and method for transmitting multimedia objects in Digital Multimedia Broadcasting (Digital Multimedia Broadcasting: hereinafter referred to as DMB), and in particular to a method suitable for transmitting multimedia objects by applying a multimedia object transmission protocol in DMB during the transmission of multimedia objects Apparatus and method for transmitting multimedia objects in DMB reducing transmission delays and transmission errors. Background technique [0002] Existing radio broadcasts currently in use have been developed for fixed reception in analog form, and when receiving signals on foot or even in vehicles, especially at high speeds, there is considerable attenuation in sound quality, requiring high power output and wide frequency band. [0003] To address these and other shortcomings, the standardization and commercialization of digital audio broadcasting is being promoted globally. [0004] Eu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/12H04N7/24
CPCH04N21/2383H04N21/26266H04L67/322H04H20/16H04H60/06H04N21/238H04N21/4382H04N21/2368H04N21/85406H04L67/61H04N7/12
Inventor 李学周
Owner LG ELECTRONICS INC
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