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公开(公告)号：KR1020110049112A
公开(公告)日：2011-05-12
申请号：KR1020090105972
申请日：2009-11-04
Applicant: 한국전자통신연구원
CPC classification number: H04N5/76 , H04N5/913 , H04N9/8205 , H04N21/4334 , H04N21/43856 , H04N2005/91364
Abstract: PURPOSE: An apparatus for recording partial encryption of a broadcasting program and a method thereof are provided to use an encryption standard and an encryption module which are used in a previous program. CONSTITUTION: A packet input unit(410) receives packets of a recording target broadcasting program. An encryption selection unit(440) outputs an encryption target packet to a first route. The encryption selection unit outputs a non-encryption target packet to a second route. An encryption processing unit(420) ciphers the encryption target packet in a predetermined encryption method. A storage unit(430) stores the outputted packet of the encryption processing unit and the non-encryption target packet.
Abstract translation: 目的：提供用于记录广播节目的部分加密的装置及其方法，以使用在先前节目中使用的加密标准和加密模块。 构成：分组输入单元（410）接收记录目标广播节目的分组。 加密选择单元（440）将加密目标分组输出到第一路由。 加密选择单元将非加密目标分组输出到第二路由。 加密处理单元（420）以预定的加密方法加密加密目标分组。 存储单元（430）存储加密处理单元和非加密目标分组的输出分组。
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公开(公告)号：KR1020100138713A
公开(公告)日：2010-12-31
申请号：KR1020090116651
申请日：2009-11-30
Applicant: 한국전자통신연구원
CPC classification number: H04N21/236 , H04N21/434
Abstract: PURPOSE: An apparatus and a method for creating variable mpeg-2 transport packet are provided to reduce the loss of data transporting efficiency due to the transport packet header. CONSTITUTION: A packet generator(310) creates the transport packet having the fixed length. The packet generator makes the transport packet have a predetermined length of byte. The packet generator assigns the header area to the transport packet. A packet length setup unit(330) establishes the field area showing the length of the transport packet at the header area.
Abstract translation: 目的：提供一种用于创建可变mpeg-2传输分组的装置和方法，以减少由于传输分组报头导致的数据传输效率的损失。 构成：分组生成器（310）创建具有固定长度的传输分组。 分组生成器使传输分组具有预定长度的字节。 分组生成器将报头区域分配给传输分组。 分组长度设置单元（330）建立在标题区域显示传输分组的长度的字段区域。
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93.发明公开
公开(公告)号：KR1020100124675A
公开(公告)日：2010-11-29
申请号：KR1020100046761
申请日：2010-05-19
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
CPC classification number: G10L19/22 , G10L19/0212 , G10L19/022 , G10L19/12
Abstract: PURPOSE: An apparatus and method for processing window for interlocking between MDCT-TCX(Modified Discrete Cosine Transform-Transform Coded Excitation) frame and CELP(Coded Excited Linear Prediction) frame are provided to enable improved coding performance in a low bit rate by determining a window applied to a current sub frame if the coding mode of a preceding subframe or a subsequent subframe is in a CELP. CONSTITUTION: A window processing apparatus comprises: a coding mode decision unit(201) for deciding a preceding subframe coding mode and a subsequent subframe coding mode, with respect to a current subframe; and a window application unit(202) for applying a window that is determined according to the preceding subframe coding mode and the subsequent subframe coding mode, to the current subframe.
Abstract translation: 目的：提供一种用于处理MDCT-TCX（改进的离散余弦变换变换编码激励）帧和CELP（编码激励线性预测）帧之间的互锁窗口的装置和方法，以通过确定一个低位比特率来改善低比特率的编码性能 如果前一子帧或后续子帧的编码模式处于CELP中，则应用于当前子帧的窗口。 一种窗口处理装置，包括：编码模式判定单元，用于根据当前子帧确定前一子帧编码模式和后续子帧编码模式; 以及用于将根据前述子帧编码模式和后续子帧编码模式确定的窗口应用于当前子帧的窗口应用单元（202）。
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公开(公告)号：KR100970446B1
公开(公告)日：2010-07-16
申请号：KR1020080040890
申请日：2008-04-30
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
IPC: G10L21/02 , G10L15/20 , G10L21/0216 , G10L25/90
CPC classification number: H03G7/002 , G10L21/038 , G11B20/10046 , G11B20/10222 , G11B20/10527 , G11B20/24 , G11B2020/10546 , G11B2020/10564
Abstract: 본 발명은 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법에 관한 것으로, 주파수 확장(Bandwidth extension)에 필요한 고대역(High-band)의 톤 성질(Tonality)을 보정하기 위해 고대역 잡음레벨을 결정함에 있어서, 입력 신호의 피치(Pitch) 주파수에 따라 가변적으로 고대역 잡음레벨을 조정함으로써, 고대역 잡음레벨을 정확하게 측정할 수 있으며 고대역 신호의 품질을 향상시킬 수 있게 하는, 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법을 제공하고자 한다.
이를 위하여, 본 발명은 가변 잡음레벨 결정 장치에 있어서, 주파수 확장을 위한 고대역 잡음레벨을 입력 신호의 톤 성질에 따라 결정하기 위한 잡음레벨 결정 수단; 상기 입력 신호의 피치 주파수를 검출하고 상기 검출된 피치 주파수와 주파수 채널과의 상관 관계를 분석하기 위한 피치 주파수 분석 수단; 및 상기 분석된 피치 주파수와 주파수 채널과의 상관 관계를 기초로 하여 상기 결정된 고대역 잡음레벨을 가변적으로 조정하기 위한 잡음레벨 조정 수단을 포함한다.
주파수 확장, 고대역, 톤 성질, 고대역 잡음레벨, 피치 주파수-
公开(公告)号：KR1020100072479A
公开(公告)日：2010-07-01
申请号：KR1020080130899
申请日：2008-12-22
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An apparatus for compensating a low frequency band audio signal based on listener characteristics is provided to reproduce a high quality of audio signal based on the listening characteristics of a listener. CONSTITUTION: A frequency band division unit(110) divides a frequency band of an audio signal into plural sub-frequency bands, and an auditory characteristic information storage unit(140) stores auditory characteristic information on auditory frequency range of a listener and minimum recognition volume information for an audio signal of each sub frequency band of a listener. A low band compensating unit(150) controls the volume of an audio signal within an auditory frequency range based on auditory characteristic information to be maintained over the minimum recognition volume information.
Abstract translation: 目的：提供一种用于基于收听者特征补偿低频带音频信号的装置，用于基于收听者的收听特性再现高质量的音频信号。 构成：频带分割单元（110）将音频信号的频带划分成多个子频带，听觉特征信息存储单元（140）存储听众的听觉频率范围和最小识别音量的听觉特征信息 用于收听者的每个子频带的音频信号的信息。 低频补偿单元（150）基于要保持在最小识别体积信息上的听觉特征信息来控制听觉频率范围内的音频信号的音量。
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Patent Agency Ranking
公开(公告)号：KR1020100062784A
公开(公告)日：2010-06-10
申请号：KR1020090020190
申请日：2009-03-10
Applicant: 한국전자통신연구원
CPC classification number: H04S7/308 , G10L19/008 , H04R5/00 , H04S7/301 , H04S7/305 , H04S2400/11 , H04S2400/15 , H04S2420/03 , H04S2420/13
Abstract: PURPOSE: An object-based audio contents generation/playback apparatus is provided to generate the object-based audio contents by encoding one among a plurality of object audio signals, record space information, sound source location information and a multi-channel audio signal at least. CONSTITUTION: An object audio signal gaining unit(110) gains a plurality of object audio signals by recording a plurality of sound source signals. A record space information gaining unit(130) gains the record space information toward the record space of sound source signals. A sound source location information gaining unit(120) gains the sound source location information of the sound source signals. An encoder(140) generates a object-based audio contents by encoding one among a plurality of object audio signals, the record space information and the sound source location information at least.
Abstract translation: 目的：提供一种基于对象的音频内容生成/重放装置，用于通过将多个对象音频信号，记录空间信息，声源位置信息和多声道音频信号中的一个至少编码来生成基于对象的音频内容 。 构成：对象音频信号增益单元（110）通过记录多个声源信号来获得多个对象音频信号。 记录空间信息增益单元（130）向声源信号的记录空间提供记录空间信息。 声源位置信息获取单元（120）获取声源信号的声源位置信息。 编码器140至少通过对多个对象音频信号，记录空间信息和声源位置信息之一进行编码来产生基于对象的音频内容。
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97.发明公开
公开(公告)号：KR1020100053103A
公开(公告)日：2010-05-20
申请号：KR1020080112084
申请日：2008-11-12
Applicant: 한국전자통신연구원
IPC: H04N21/233
CPC classification number: H04N21/233
Abstract: PURPOSE: An inter-object regeneration relation and volume information storage/interpretive method and an apparatus thereof are provided, which interpret force/restriction information through numerical formula based on logical/relational operator, add force/restrict efficiently to operation of an object-based audio player. CONSTITUTION: An object-based audio player(101) inputs an audio object information and compulsion/restriction information within object-based audio file(102) to compulsion/restriction information analysis module(103). The force/condition information analysis module interprets the audio object information and force/restrict information. The force/condition information analysis module selects tracks to decode before decoding(104) of an audio object. The force/condition information analysis module adds restriction to replay volume information of the track in a mixing stage(105).
Abstract translation: 目的：提供一种对象间再生关系和体积信息存储/解释方法及其装置，其通过基于逻辑/关系运算符的数学公式解释力/限制信息，增加/限制有效地对基于对象的操作 音频播放器。 构成：基于对象的音频播放器（101）将基于对象的音频文件（102）内的音频对象信息和强制/限制信息输入到强制/限制信息分析模块（103）。 力/条件信息分析模块解释音频对象信息和强制/限制信息。 力/条件信息分析模块在音频对象的解码（104）之前选择要解码的轨道。 力/条件信息分析模块增加了在混合阶段（105）中重播轨道的音量信息的限制。
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公开(公告)号：KR1020100034162A
公开(公告)日：2010-04-01
申请号：KR1020080093155
申请日：2008-09-23
Applicant: 한국전자통신연구원
CPC classification number: H04S7/302 , H04R5/04 , H04S3/002 , H04S2420/01
Abstract: PURPOSE: By respectively convoluting the mono audio signal with the transformed impulse response about the impulse response about the first head-related-transfer-function and the second head-related-transfer-function the doing method and transfer function formation apparatus locate the acoustic image. CONSTITUTION: A second head-related-transfer-function about the right ear of the first head-related-transfer-function(Head-Related Transfer Function) and listener are calculated(S110). One head-related-transfer-function is selected between the first head-related-transfer-function and the second head-related-transfer-function(S120). The first head-related-transfer-function which is transformed into by computing the first head-related-transfer-function and the second head-related-transfer-function with the selected head-related-transfer-function as described above, and the transformed second head-related-transfer-function become(S130).
Abstract translation: 目的：通过分别将单声道音频信号与关于关于第一头相关传递函数和第二头相关传递函数的脉冲响应的变换脉冲响应卷积，该方法和传递函数形成装置定位声像 。 计算方法：计算第一个头相关传递函数（头相关传递函数）和听者右耳的第二个头相关传递函数（S110）。 在第一头相关传送功能和第二头相关传送功能之间选择一个头相关传送功能（S120）。 如上所述，通过利用所选择的头相关传送函数计算第一头相关传送功能和第二头相关传送功能来转换的第一头相关传送功能，以及 第二头相关转移函数变为（S130）。
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公开(公告)号：KR1020100007740A
公开(公告)日：2010-01-22
申请号：KR1020090061636
申请日：2009-07-07
Applicant: 한국전자통신연구원
CPC classification number: G11B27/034 , G10L19/008
Abstract: PURPOSE: A method and a device for editing an audio object in a multi-object audio code based on space information are provided to omit a coding process about the edited object using the multi-object bit stream and a down mix signal generated through the coding of the input objects. CONSTITUTION: An object information extractor(210) receives an object bit stream. The object information extractor extracts the object information from the object bit stream. A down mix processor(220) receives the down mix signal. The down mix processor controls the down mix signal using the object edition information and the object information. A bit stream processor(230) edits the object information according to the object edition information. The bit stream processor generates the object bit stream controlled based on the edited object information.
Abstract translation: 目的：提供一种用于基于空间信息编辑多对象音频代码中的音频对象的方法和装置，以使用多对象比特流和通过编码产生的下混合信号来省略关于编辑对象的编码处理 的输入对象。 构成：对象信息提取器（210）接收对象比特流。 对象信息提取器从对象比特流中提取对象信息。 下混合处理器（220）接收下混合信号。 下混合处理器使用对象版本信息和对象信息来控制下混合信号。 比特流处理器（230）根据对象版本信息编辑对象信息。 比特流处理器基于编辑的对象信息生成受控的对象比特流。
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公开(公告)号：KR1020100007739A
公开(公告)日：2010-01-22
申请号：KR1020090061608
申请日：2009-07-07
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
Abstract: PURPOSE: An apparatus for encoding and decoding an integrated voice and music signal is provided to effectively select internal modules according to a characteristic of an input signal, thereby providing excellent sound quality to all of voice signals and music signals at various bit rates. CONSTITUTION: When an input signal is a stereo signal, a stereo encoder(120) down-mixes the input signal to a mono signal. A sampling rate converter(140) converts a sampling rate for an output signal of a frequency band expander(130). When the input signal is a signal with a voice characteristic, a voice signal encoding unit(150) encodes the input signal by a voice encoding module. When the input signal is a signal having a musical characteristic, a music signal encoder(160) encodes the input signal by a music encoding module.
Abstract translation: 目的：提供一种用于编码和解码集成语音和音乐信号的装置，以根据输入信号的特性有效地选择内部模块，从而以各种比特率为所有语音信号和音乐信号提供出色的音质。 构成：当输入信号是立体声信号时，立体声编码器（120）将输入信号降压为单声道信号。 采样率转换器（140）转换频带扩展器（130）的输出信号的采样率。 当输入信号是具有语音特征的信号时，语音信号编码单元（150）通过语音编码模块对输入信号进行编码。 当输入信号是具有音乐特性的信号时，音乐信号编码器（160）通过音乐编码模块对输入信号进行编码。
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