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Method and device for transmitting and receiving broadcast signal for providing trick play service

A technology for broadcast signal and trick play, which is applied in the fields of digital video signal modification, image communication, selective content distribution, etc., to achieve the effect of efficient trick play service and high encoding speed

Active Publication Date: 2015-08-05
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, users may find it convenient to use trick-play if they know the maximum X-velocity information available

Method used

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  • Method and device for transmitting and receiving broadcast signal for providing trick play service
  • Method and device for transmitting and receiving broadcast signal for providing trick play service
  • Method and device for transmitting and receiving broadcast signal for providing trick play service

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Embodiment Construction

[0083] Reference will now be made in detail to the preferred embodiments, examples of which are illustrated in the accompanying drawings. It should be noted in this text that these implementations are for illustrative purposes only, and the protection scope of this specification is not limited or restricted thereto.

[0084] The terms used in this specification are general terms selected in consideration of functions and widely used at present. However, such terms may vary depending on the intention of those skilled in the art to which this specification belongs, usage conventions, or the emergence of new technologies. Under certain circumstances, some terms can be selected by the applicant of this application. In this case, the meaning of these terms will be described in the corresponding paragraphs of this specification. Therefore, it should be noted that the terms used in this specification are interpreted based on the true meaning of the terms and this specification rather ...

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Abstract

The present invention relates to a method and device for transmitting and receiving a broadcast signal for trick play. A broadcast signal transmission method, according to an embodiment of the present invention, comprises the steps of: generating a video unit stream by encoding video data; generating a packetized elementary stream (PES) comprising the video unit stream; generating a transport stream (TS) comprising the generated PES, wherein the TS comprises PVR assist information for performing trick play, wherein the PVR assist information comprises tier number information and maximum temporal identification information, wherein the tier number information represents a tier number having the value obtained by adding 1 to the temporal identification information value of a picture that is not an RAP, and wherein the highest temporal identification information represents the highest temporal identification information value of the video unit stream that comprises the encoded video data; and transmitting the generated TS.

Description

Technical field [0001] The present invention relates to the transmission and reception of broadcast signals. More specifically, the present invention relates to a method and apparatus for transmitting and receiving broadcast signals in order to provide trick play services. Background technique [0002] In recent years, the demand and interest for high-resolution and high-quality image services are very high. As ultra-high-resolution TV (UHDTV), which follows HDTV, has entered the market, very realistic high-resolution, high-quality broadcast services are being provided. In the mobile market, smartphones with HD-level basic screen resolution have also entered the market, and as a result, users' demands for high-resolution, high-quality images are rapidly increasing. The H.264 / AVC standard currently used in various multimedia devices (such as DTV, DMB, DVD, digital cameras, image black boxes, IPTV, smart TVs, and smart phones) is limited in supporting high-resolution and high-qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2387H04N21/236
CPCH04N21/236H04N21/2387H04N21/8455H04N21/23614H04N21/4325H04N21/6336H04N21/816H04N21/8453H04N21/85406H04N21/23605H04N19/70H04N19/31G11B27/10H04N21/4147H04N21/6379H04N21/6581H04N21/6587H04N21/8456
Inventor 黄修振吴炫默徐琮烈尹准熙
Owner LG ELECTRONICS INC
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