公开(公告)号：EP3147899A1

公开(公告)日：2017-03-29

申请号：EP16193463.3

申请日：2009-03-30

申请人： Electronics and Telecommunications Research Institute

发明人： SEO, Jeong-Il ,  BEACK, Seung-Kwon ,  LEE, Tae-Jin ,  LEE, Yong-Ju ,  JANG, Dae-Young ,  KANG, Kyeongok ,  HONG, Jin-Woo ,  KIM, Jin-Woong ,  AHN, Chieteuk

IPC分类号： G10L19/008

CPC分类号： H04S7/308 ,  G10L19/008 ,  H04S5/00 ,  H04S2400/03 ,  H04S2400/11

摘要： Provided is a method and apparatus for decoding a multi-object audio signal. The apparatus comprises: a side information bitstream input unit configured to receive the side information bitstream; a spatial cue information extractor configured to extract spatial cue information based on the side information bitstream; a preset information extractor configured to extract preset information and default preset information based on the side information bitstream; and a decoder configured to decode the multi-object audio signal using at least one of the spatial cue information, the preset information and the default preset information. The side information bitstream includes a header region and a frame region. The frame region includes the preset information and the header region includes the default preset information for using at least one of the preset information and the default preset information for rendering the multi-object audio signal corresponding to the frame region. The preset information includes a layout of a playback system to be a mono system, a stereo system or a multi-channel system, an audio object location and an audio object level.

摘要翻译： 提供了一种用于对多对象音频信号进行解码的方法和装置。 该装置包括：侧信息比特流输入单元，被配置为接收侧信息比特流; 空间提示信息提取器，被配置为基于所述侧信息比特流提取空间提示信息; 预置信息提取器，被配置为基于所述侧信息比特流提取预设信息和默认预设信息; 以及解码器，被配置为使用空间提示信息，预设信息和默认预设信息中的至少一个来解码多对象音频信号。 侧信息比特流包括头部区域和帧区域。 帧区域包括预设信息，并且标题区域包括用于使用预设信息和默认预设信息中的至少一个的默认预设信息，用于呈现与帧区域相对应的多对象音频信号。 预设信息包括作为单声道系统的播放系统，立体声系统或多声道系统，音频对象位置和音频对象水平的布局。

公开(公告)号：EP2998958A2

公开(公告)日：2016-03-23

申请号：EP15180370.7

申请日：2009-07-16

申请人： Electronics and Telecommunications Research Institute

发明人： SEO, Jeongil ,  BEACK, Seungkwon ,  KANG, Kyeongok ,  HONG, JinWoo ,  KIM, Jinwoong ,  AHN, Chieteuk ,  KIM, Kwangki ,  HAHN, Minsoo

IPC分类号： G10L19/008 ,  G10L19/20

CPC分类号： G10L19/20 ,  G10L19/008

摘要： A multi-object audio decoding method supporting a post downmix signal is provided. The multi-object audio decoding method comprises: extracting a post downmix gain (PDG) in a bitstream transmitted from an encoder; and compensating a post downmix signal by applying the post downmix gain into the post downmix signal.

摘要翻译： 提供了一种支持后降混信号的多对象音频解码方法。 多对象音频解码方法包括：提取从编码器发送的比特流中的后降混增益（PDG）; 以及通过将后降混增益应用到后降混信号来补偿后降混信号。

公开(公告)号：EP1457034A2

公开(公告)日：2004-09-15

申请号：EP02790969.6

申请日：2002-11-21

申请人： Electronics and Telecommunications Research Institute

发明人： YUN, Kug-Jin ,  CHO, Suk-Hee ,  CHOI, Yunjung ,  LEE, Jinhwan ,  AHN, Chieteuk

IPC分类号： H04N1/00

CPC分类号： H04N19/597 ,  H04N13/10 ,  H04N13/156 ,  H04N13/167 ,  H04N13/178 ,  H04N13/189 ,  H04N13/194 ,  H04N13/239 ,  H04N13/286 ,  H04N13/305 ,  H04N13/341 ,  H04N13/356

摘要： An MPEG system for processing stereoscopic/multiview three-dimensional video comprises a compressor (10) for processing input stereoscopic/multiview three- dimensional video data to generate field-based elementary streams of multiple channels, and integrating the multi-channel elementary streams into a single-channel elementary stream, a packetizer (20) for receiving the sinlge-channel elementary stream from the compressor (10) per access unit and packetizing the received single-channel elementary streams into a packetized stream, and a transmitter (30) for multiplexing the packetized stream into a multipixed stream for transmitting or storing the same, wherein the multiplexed stream includes viewpoint information including the number of viewpoint that the packetized stream provides.

公开(公告)号：EP3151241A1

公开(公告)日：2017-04-05

申请号：EP16195085.2

申请日：2009-11-26

申请人： Electronics and Telecommunications Research Institute ,  Kwangwoon University Industry-Academic Collaboration Foundation

发明人： BEACK, Seungkwon ,  LEE, Tae Jin ,  KIM, Min Je ,  KANG, Kyeongok ,  JANG, Dae Young ,  SEO, Jeongil ,  HONG, Jin Woo ,  AHN, Chieteuk ,  PARK, Ho Chong ,  PARK, Young-cheol

IPC分类号： G10L19/022 ,  G10L19/22 ,  G10L19/20

CPC分类号： G10L19/22 ,  G10L19/022 ,  G10L19/20

摘要： A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.

摘要翻译： 的统一语音和音频编解码器（USAC）确实可以处理提供了一种基于模式切换的窗口序列。 该USAC可基于折点当模式切换发生在帧之间的重叠执行编码或解码。 该USAC可处理不同的窗口序列的每个情况来执行编码或解码，从而可提高编码效率。

公开(公告)号：EP2316225A2

公开(公告)日：2011-05-04

申请号：EP09806880.2

申请日：2009-08-14

申请人： Electronics and Telecommunications Research Institute

发明人： LIM, Jong Soo ,  LEE, Ji Bong ,  YUN, Joungil ,  BAE, Byungjun ,  KIM, Kwang-Yong ,  YANG, Kyu Tae ,  CHOI,Seomee ,  KIM, Young Su ,  BAE, Jae Hwui ,  LEE, Soo In ,  HWANG, Seungku ,  AHN, Chieteuk ,  KOO, Bon Tae ,  KIM, Jin Kyu ,  KIM, Hyuk ,  LEE, Gwang Soon

IPC分类号： H04N7/24

CPC分类号： H04N21/631 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/64792

摘要： An apparatus for transmitting digital multimedia broadcasting includes: a base layer processor that outputs a base layer stream; an enhancement layer processor that outputs an enhancement layer stream; and a transmitter that modulates the enhancement layer stream based on one of a first and second hierarchical modulation modes using different modulation schemes and maps a symbol of the modulated enhancement layer stream based on a symbol position of the base layer stream to generate a transmission frame.

摘要翻译： 一种用于发送数字多媒体广播的设备，包括：输出基础层流的基础层处理器; 输出增强层流的增强层处理器; 以及发射机，基于使用不同调制方案的第一和第二分层调制模式之一来调制增强层流，并基于基层流的码元位置来映射调制增强层流的码元以生成传输帧。

公开(公告)号：EP2100450A1

公开(公告)日：2009-09-16

申请号：EP07851295.1

申请日：2007-12-06

申请人： Electronics and Telecommunications Research Institute

发明人： KIM, Ju-Yeun ,  BAE, Jae-Hwui ,  PARK, So-Ra ,  LIM, Hyoungsoo ,  KIM, Yang-Su ,  KIM, Young-Su ,  CHOI, Seomee ,  SEO, Jae-Hyun ,  KIM, Heung-Mook ,  LIM, Jong-Soo ,  LEE, Soo-In ,  AHN, Chieteuk ,  EUM, Nak-Woong

IPC分类号： H04N7/12

CPC分类号： H03M13/1515 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/23 ,  H03M13/2732 ,  H03M13/2957 ,  H03M13/6368 ,  H04H20/28 ,  H04H20/44 ,  H04H20/95 ,  H04H40/18 ,  H04L27/183 ,  H04L27/3488 ,  H04L2001/0093 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/2662 ,  H04N21/4382 ,  H04N21/64792

摘要： Provided is an apparatus and method for a digital multimedia broadcasting (DMB) service. The DMB transmitter includes a base layer transmission processor for encoding base layer stream, an enhancement layer transmission processor for encoding enhancement layer stream, and a hierarchical transmitter for transmitting the base layer stream and the enhancement layer stream by allocating a predetermined bit value through encoding the base layer stream outputted from the base layer transmission processor and the enhancement layer stream outputted from the enhancement layer transmission processor based on gray coding and performing hierarchical symbol mapping.

公开(公告)号：EP1938596A1

公开(公告)日：2008-07-02

申请号：EP06798928.5

申请日：2006-09-27

申请人： Electronics and Telecommunications Research Institute

发明人： LIM, Jong-Soo ,  LEE, Hyun ,  LEE, Gwang-Soon ,  LEE, Soo-In ,  AHN, Chieteuk

IPC分类号： H04N7/015

CPC分类号： H04H60/07 ,  H04H2201/20 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/4621 ,  H04N21/6131 ,  H04N21/631

摘要： Provided is a Digital Multimedia Broadcasting (DMB) transmitting/receiving apparatus. The DMB apparatus for a high-quality video service includes: a source encoder for source-encoding audio and video signals into base layer streams and enhancement layer streams, individually; a base layer transmission processor for receiving the base layer streams from the source encoder, performing system encoding, multiplexing encoded base layer streams into transport streams, and outputting base layer transport streams; an enhancement layer transmission processor for receiving the enhancement layer streams from the source encoder, performing system encoding, multiplexing the encoded enhancement layer streams into enhancement layer transport streams, and outputting enhancement layer transport streams; and a layered digital broadcasting transmitter for receiving the base layer transport streams and the enhancement layer transport streams from the base layer transmission processor and the enhancement layer transmission processor, and modulating the base and enhancement layer transport streams into digital broadcasting signals.

公开(公告)号：EP1540961A1

公开(公告)日：2005-06-15

申请号：EP02791077.7

申请日：2002-12-11

申请人： Electronics and Telecommunications Research Institute

发明人： CHOI, Yunjung; ,  CHO, Suk-Hee ,  YUN, Kug, Jin ,  LEE, Jinhwan ,  HAHM, Young, Kwon ,  AHN, Chieteuk

IPC分类号： H04N7/24

CPC分类号： H04N19/20 ,  H04N19/597 ,  H04N19/61

摘要： Provided are a multi-display supporting multi-view video object-based encoding apparatus and method, and an object-based transmission/reception system and method using the encoding apparatus and method. The encoding apparatus includes: a shape abstracting means for receiving right/left-eye image object video and abstracting right/ left object image, respectively, to abstract the shape information of a multi-view video; a data separating means for receiving the right/left-eye image object video, and the right/left shape information, and separating them into odd field objects and even field objects to transmit only the essential bit streams for a user display mode; a shape compensation means for compensating for the distortion of the shape information separated into odd and even fields; and an object-based encoding means for receiving the object-based information from the shape compensation means and the object-based information from the data separating means, forming four layers, and performing motion and disparity estimation to encode object-based data that are separated into odd and even lines.

公开(公告)号：EP2998958A3

公开(公告)日：2016-04-06

申请号：EP15180370.7

申请日：2009-07-16

申请人： Electronics and Telecommunications Research Institute

发明人： SEO, Jeongil ,  BEACK, Seungkwon ,  KANG, Kyeongok ,  HONG, JinWoo ,  KIM, Jinwoong ,  AHN, Chieteuk ,  KIM, Kwangki ,  HAHN, Minsoo

IPC分类号： G10L19/008 ,  G10L19/20

CPC分类号： G10L19/20 ,  G10L19/008

摘要： A multi-object audio decoding method supporting a post downmix signal is provided. The multi-object audio decoding method comprises: extracting a post downmix gain (PDG) in a bitstream transmitted from an encoder; and compensating a post downmix signal by applying the post downmix gain into the post downmix signal.

摘要翻译： 提供了支持后置下混信号的多对象音频解码方法。 该多目标音频解码方法包括：提取从编码器发送的比特流中的后降混增益（PDG） 以及通过将后降混增益应用于后降混信号来补偿后降混信号。

公开(公告)号：EP2304949A2

公开(公告)日：2011-04-06

申请号：EP09770389.6

申请日：2009-06-24

申请人： Electronics and Telecommunications Research Institute

发明人： LIM, Jong Soo ,  KIM, Young Su ,  YANG, Kyu Tae ,  BAE, Jae Hwui ,  BAE, Byungjun ,  KIM, Kwang-Yong ,  YUN, Joungil ,  CHOI, Seomee ,  LEE, Gwang Soon ,  LEE, Ji Bong ,  SONG, Yun Jeong ,  LEE, Soo In ,  HWANG, Seungku ,  AHN, Chieteuk ,  HUR, Namho

IPC分类号： H04N7/173 ,  H04N7/015

CPC分类号： H04H60/07 ,  H04B2201/70701 ,  H04B2201/70703 ,  H04H20/46 ,  H04H20/72 ,  H04H2201/11 ,  H04J13/18

摘要： A digital multimedia broadcasting transmitting apparatus includes: a variable spreader (120) that spreads a pilot signal to a frequency domain and outputs a signal having a format where the pilot signal is partially inserted to the entire subcarriers; a modulator (130) that modulates the output of the variable spreader (120); and an antenna (140) that transmits the signal modulated by the modulator (130).