利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.022 秒)

    CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES
    6.
    发明申请
    CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES 审中-公开
    组合动态范围压缩和指导音频设备的剪辑预防概念

    公开(公告)号：US20160240204A1

    公开(公告)日：2016-08-18

    申请号：US15136324

    申请日：2016-04-22

    申请人： Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

    发明人： Fabian KUECH ,  Christian UHLE ,  Michael KRATSCHMER ,  Bernhard NEUGEBAUER ,  Michael MEIER ,  Arne BORSUM

    IPC分类号： G10L19/16 ,  G06F3/16 ,  G10L19/018

    摘要： The invention provides a concept for combined dynamic range compression and guided clipping prevention for audio devices. An audio decoder for decoding an audio bitstream and a metadata bitstream related to the audio bitstream according to the concept includes an audio processing chain including a plurality of adjustment stages including a dynamic range control stage for adjusting a dynamic range of the audio output signal and a guided clipping prevention stage for preventing clipping of the audio output signal; and a metadata decoder configured to receive the metadata bitstream and to extract dynamic range control gain sequences and guided clipping prevention gain sequences from the metadata bitstream, at least a part of the dynamic range control gain sequences being supplied to the dynamic range control stage, and at least a part of the guided clipping prevention gain sequences being supplied to the guided clipping prevention stage.

    摘要翻译： 本发明提供了用于音频设备的组合动态范围压缩和引导限幅预防的概念。 根据该概念，用于解码音频比特流的音频解码器和与音频比特流相关的元数据比特流包括包括多个调整级的音频处理链，包括用于调整音频输出信号的动态范围的动态范围控制级和 引导剪辑防止阶段，用于防止音频输出信号的剪辑; 以及元数据解码器，被配置为接收所述元数据比特流并且从所述元数据比特流中提取动态范围控制增益序列和引导限幅预防增益序列，所述动态范围控制增益序列的至少一部分被提供给所述动态范围控制级，以及 被引导的剪辑防止增益序列的至少一部分被提供给被引导的剪辑防止阶段。

    EQUALIZATION FILTER COEFFICIENT DETERMINATOR, APPARATUS, EQUALIZATION FILTER COEFFICIENT PROCESSOR, SYSTEM AND METHODS
    7.
    发明申请
    EQUALIZATION FILTER COEFFICIENT DETERMINATOR, APPARATUS, EQUALIZATION FILTER COEFFICIENT PROCESSOR, SYSTEM AND METHODS 审中-公开
    均衡滤波器系数确定器，装置，均衡滤波器系数处理器，系统和方法

    公开(公告)号：US20160036404A1

    公开(公告)日：2016-02-04

    申请号：US14830821

    申请日：2015-08-20

    申请人： Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

    发明人： Felix FLEISCHMANN ,  Jan PLOGSTIES ,  Bernhard NEUGEBAUER

    IPC分类号： H03G5/16 ,  H03G5/00

    摘要： An equalization filter coefficient determinator continuously or quasi-continuously fades between a plurality of different equalizer settings in dependence on one or more setting parameters, to obtain a current set of equalization filter target coefficients describing a current equalizer setting. A number of setting parameters is smaller than a number of equalization filter target coefficients of current set of equalization filter target coefficients.An equalization filter coefficient determinator linearly combines a plurality of equalization filter target coefficient set components in dependence on one or more setting parameters.An equalization filter coefficient determinator obtains the current set of equalization filter target coefficients in dependence on position information obtained using a two-dimensional or three-dimensional user input device.An apparatus includes a user interface, an equalization filter coefficient determinator and an equalizer. An equalization filter coefficient processor may provide sets of basis equalization filter target coefficients. A system may use an equalization filter coefficient processor and an equalization filter coefficient determinator.

    摘要翻译： 均衡滤波器系数确定器根据一个或多个设置参数连续或准连续地在多个不同均衡器设置之间衰减，以获得描述当前均衡器设置的当前均衡滤波器目标系数集合。 多个设置参数小于当前组的均衡滤波器目标系数的均衡滤波器目标系数的数量。 均衡滤波器系数确定器根据一个或多个设置参数线性组合多个均衡滤波器目标系数组分量。 均衡滤波器系数确定器根据使用二维或三维用户输入设备获得的位置信息来获得当前的均衡滤波器目标系数集合。 一种装置包括用户接口，均衡滤波器系数确定器和均衡器。 均衡滤波器系数处理器可以提供一组基准均衡滤波器目标系数。 系统可以使用均衡滤波器系数处理器和均衡滤波器系数确定器。

    AUDIO ENCODER DEVICE AND AN AUDIO DECODER DEVICE HAVING EFFICIENT GAIN CODING IN DYNAMIC RANGE CONTROL
    10.
    发明申请
    AUDIO ENCODER DEVICE AND AN AUDIO DECODER DEVICE HAVING EFFICIENT GAIN CODING IN DYNAMIC RANGE CONTROL 审中-公开
    音频编码器装置和具有动态范围控制中有效增益编码的音频解码器装置

    公开(公告)号：US20170011749A1

    公开(公告)日：2017-01-12

    申请号：US15272653

    申请日：2016-09-22

    申请人： Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

    发明人： Fabian KUECH ,  Christian UHLE ,  Michael KRATSCHMER ,  Bernhard NEUGEBAUER ,  Michael MEIER ,  Stephan SCHREINER

    IPC分类号： G10L19/16 ,  G10L19/022

    CPC分类号： G10L19/167 ,  G10L19/022 ,  H03G7/007

    摘要： An audio encoder device includes an audio encoder configured for producing an encoded audio bitstream from an audio signal having consecutive audio frames; a dynamic range control encoder configured for producing an encoded dynamic range control bitstream from an dynamic range control sequence corresponding to the audio signal and having consecutive dynamic range control frames, wherein each dynamic range control frame of the dynamic range control frames has one or more nodes, wherein each node of the one or more nodes has gain information for the audio signal and time information indicating to which point in time the gain information corresponds.

    摘要翻译： 音频编码器装置包括：音频编码器，被配置为从具有连续音频帧的音频信号产生编码音频位流; 动态范围控制编码器，被配置为从对应于所述音频信号的动态范围控制序列产生编码的动态范围控制比特流并具有连续的动态范围控制帧，其中所述动态范围控制帧的每个动态范围控制帧具有一个或多个节点 其中，所述一个或多个节点的每个节点具有用于音频信号的增益信息和指示增益信息对应于哪个时间点的时间信息。