公开(公告)号：US20160328638A1

公开(公告)日：2016-11-10

申请号：US15147236

申请日：2016-05-05

申请人： Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. ,  Friederich-Alexander-Universitaet Erlangen-Nuernberg

发明人： Hazem ELSAID IBRAHIM ,  Hamed KENAWY ,  Joerg ROBERT ,  Albert HEUBERGER ,  Wolfram STRAUSS

IPC分类号： G06K19/07 ,  G06K7/00

CPC分类号： G06K19/0723 ,  G06K7/0095 ,  G06K7/10029

摘要： A reader for wirelessly receiving a signal from a tag, the signal having a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged with each other, has a processor. The processor is configured for storing the received signal, for detecting the synchronization sequence in the received signal, for calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side and for extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic.

摘要翻译： 一种用于从标签无线地接收信号的读取器，所述信号具有第一侧上的一部分，第二侧的部分以及待在第一和第二侧之间检测的同步序列，其中第一侧上的部分， 同步序列和第二侧的部分彼此串联布置，具有处理器。 处理器被配置为存储用于检测接收到的信号中的同步序列的接收信号，用于使用第一侧的接收信号的部分来计算标签和读取器之间的传输特性，并从 使用所计算的传输特性在第二侧的接收信号的部分。

公开(公告)号：US20140297293A1

公开(公告)日：2014-10-02

申请号：US14304682

申请日：2014-06-13

申请人： FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

发明人： Albert HEUBERGER ,  Bernd EDLER ,  Nikolaus RETTELBACH ,  Stefan GEYERSBERGER ,  Johannes HILPERT

IPC分类号： G10L19/008

CPC分类号： G10L19/008 ,  G10L19/032 ,  G10L25/69

摘要： An audio encoding apparatus includes an encoder for encoding a time segment of an input audio signal to be encoded to obtain a corresponding encoded signal segment. The audio encoding apparatus further includes a decoder for decoding the encoded signal segment to obtain a re-decoded signal segment. A clipping detector is provided for analyzing the re-decoded signal segment with respect to at least one of an actual signal clipping or an perceptible signal clipping and for generating a corresponding clipping alert. The encoder is further configured to again encode the time segment of the audio signal with at least one modified encoding parameter resulting in a reduced clipping probability in response to the clipping alert.

摘要翻译： 音频编码装置包括：编码器，用于对要编码的输入音频信号的时间段进行编码，以获得对应的编码信号段。 音频编码装置还包括解码器，用于对编码信号段进行解码以获得重新解码的信号段。 提供限幅检测器，用于相对于实际信号限幅或可感知信号限幅中的至少一个并用于生成相应的限幅警报来分析再解码信号段。 编码器进一步被配置为用至少一个经修改的编码参数再次对音频信号的时间段进行编码，导致响应于限幅警报而减少的削波概率。