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1.发明公开
公开(公告)号：EP1247275A1
公开(公告)日：2002-10-09
申请号：EP01900416.7
申请日：2001-01-10
发明人： HERRE, Jürgen , BRANDENBURG, Karlheinz , SPORER, Thomas , SCHUG, Michael , SCHILDBACH, Wolfgang
CPC分类号： G10L19/02
摘要： According to the inventive method for determining a coding block raster on which a decoded signal is based, a segment of the decoded signal is picked out first (1), this section beginning at a certain output sampling value of the decoded signal. Said segment is then converted into a spectral representation (12), whereupon said spectral representation is evaluated in relation to a predetermined criterion (13) in order to obtain an evaluation result for the segment. This procedure is repeated for a plurality of different segments beginning at different output scanning values, in order to obtain a plurality of evaluation results. Finally, said plurality of evaluation results is searched (14) in order to establish the evaluation result that has an extreme value compared to the other evaluation results, in such a way that it can be assumed that the segment to which this evaluation result is allocated matches the coding block raster on which the decoded signal is based. According to the invention, this method can be used to determine the coding block raster for any decoded signal that has no explicit information about its coding block raster.
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2.发明公开VERFAHREN ZUM VERSCHLEIERN VON FEHLERN IN EINEM AUDIODATENSTROM 失效VERFAHREN ZUM VERSCHLEEERN VON FEHLERN在EINEM AUDIODATENSTROM
公开(公告)号：EP0978172A1
公开(公告)日：2000-02-09
申请号：EP98914886.1
申请日：1998-03-13
发明人： SCHILDBACH, Wolfgang , HERRE, Jürgen , SIELER, Martin , BRANDENBURG, Karlheinz , GERHÄUSER, Heinz
CPC分类号： G11B20/1876 , G10L19/005 , G11B20/00992 , H04H60/11
摘要： The invention relates to a method for masking defects in a stream of audio data. Defects in a stream of audio data which was previously intact are detected and a spectral energy of a sub-group of the intact audio data is then calculated. After a model has been created for replacement data, based on the spectral energy calculated for the sub-group of intact audio data, replacement data is generated for defective or absent audio data, said replacement data corresponding to the sub-group, based on the model.
摘要翻译： 本发明涉及一种用于掩蔽音频数据流中的缺陷的方法。 之前检测到的音频数据流中的缺陷被检测，然后计算完整音频数据的子组的频谱能量。 在针对替换数据创建了模型之后，基于针对完整音频数据的子组计算的频谱能量，针对有缺陷或不存在的音频数据生成替换数据，所述替换数据对应于子组，基于 模型。
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