Audio format transcoder
    3.
    发明授权
    Audio format transcoder 有权
    音频格式转码器

    公开(公告)号:US08891797B2

    公开(公告)日:2014-11-18

    申请号:US13289252

    申请日:2011-11-04

    CPC分类号: G10L21/0272 G10L19/008

    摘要: An audio format transcoder for transcoding an input audio signal, the input audio signal having at least two directional audio components. The audio format transcoder including a converter for converting the input audio signal into a converted signal, the converted signal having a converted signal representation and a converted signal direction of arrival. The audio format transcoder further includes a position provider for providing at least two spatial positions of at least two spatial audio sources and a processor for processing the converted signal representation based on the at least two spatial positions to obtain at least two separated audio source measures.

    摘要翻译: 一种用于对输入音频信号进行代码转换的音频格式转码器,所述输入音频信号具有至少两个方向音频分量。 音频格式转码器包括用于将输入音频信号转换成转换信号的转换器,转换后的信号具有转换的信号表示和转换的信号到达方向。 音频格式转码器还包括用于提供至少两个空间音频源的至少两个空间位置的位置提供器和用于基于至少两个空间位置处理转换的信号表示的处理器,以获得至少两个分离的音频源测量。

    Audio Format Transcoder
    4.
    发明申请
    Audio Format Transcoder 有权
    音频格式转码器

    公开(公告)号:US20120114126A1

    公开(公告)日:2012-05-10

    申请号:US13289252

    申请日:2011-11-04

    IPC分类号: H04R5/00

    CPC分类号: G10L21/0272 G10L19/008

    摘要: An audio format transcoder for transcoding an input audio signal, the input audio signal having at least two directional audio components. The audio format transcoder including a converter for converting the input audio signal into a converted signal, the converted signal having a converted signal representation and a converted signal direction of arrival. The audio format transcoder further includes a position provider for providing at least two spatial positions of at least two spatial audio sources and a processor for processing the converted signal representation based on the at least two spatial positions to obtain at least two separated audio source measures.

    摘要翻译: 一种用于对输入音频信号进行代码转换的音频格式转码器,所述输入音频信号具有至少两个方向音频分量。 音频格式转码器包括用于将输入音频信号转换成转换信号的转换器,转换后的信号具有转换的信号表示和转换的信号到达方向。 音频格式转码器还包括用于提供至少两个空间音频源的至少两个空间位置的位置提供器和用于基于至少两个空间位置处理转换的信号表示的处理器,以获得至少两个分离的音频源测量。

    APPARATUS AND METHOD FOR MERGING GEOMETRY-BASED SPATIAL AUDIO CODING STREAMS
    5.
    发明申请
    APPARATUS AND METHOD FOR MERGING GEOMETRY-BASED SPATIAL AUDIO CODING STREAMS 有权
    用于协调基于几何的空间音频编码流的装置和方法

    公开(公告)号:US20130142341A1

    公开(公告)日:2013-06-06

    申请号:US13445585

    申请日:2012-04-12

    IPC分类号: H04R5/00

    摘要: An apparatus for generating a merged audio data stream is provided. The apparatus includes a demultiplexer for obtaining a plurality of single-layer audio data streams, wherein each input audio data stream includes one or more layers, wherein the demultiplexer is adapted to demultiplex each one of one or more input audio data streams having one or more layers into two or more demultiplexed audio data streams having exactly one layer. Furthermore, the apparatus includes a merging module for generating the merged audio data stream based on the plurality of single-layer audio data streams. Each layer of the input data audio streams, of the demultiplexed audio data streams, of the single-layer data streams and of the merged audio data stream includes a pressure value of a pressure signal, a position value and a diffuseness value as audio data.

    摘要翻译: 提供了一种用于生成合并的音频数据流的装置。 该装置包括用于获得多个单层音频数据流的解复用器,其中每个输入音频数据流包括一个或多个层,其中,解复用器适于解复用一个或多个输入音频数据流中的每一个具有一个或多个 层分成两个或更多个具有恰好一层的解复用音频数据流。 此外,该装置包括用于基于多个单层音频数据流生成合并音频数据流的合并模块。 单层数据流和合并音频数据流的解复用的音频数据流的输入数据音频流的每一层包括作为音频数据的压力信号,位置值和扩散度值的压力值。

    Apparatus and method for merging geometry-based spatial audio coding streams
    6.
    发明授权
    Apparatus and method for merging geometry-based spatial audio coding streams 有权
    用于合并基于几何的空间音频编码流的装置和方法

    公开(公告)号:US09484038B2

    公开(公告)日:2016-11-01

    申请号:US13445585

    申请日:2012-04-12

    摘要: An apparatus for generating a merged audio data stream is provided. The apparatus includes a demultiplexer for obtaining a plurality of single-layer audio data streams, wherein each input audio data stream includes one or more layers, wherein the demultiplexer is adapted to demultiplex each one of one or more input audio data streams having one or more layers into two or more demultiplexed audio data streams having exactly one layer. Furthermore, the apparatus includes a merging module for generating the merged audio data stream based on the plurality of single-layer audio data streams. Each layer of the input data audio streams, of the demultiplexed audio data streams, of the single-layer data streams and of the merged audio data stream includes a pressure value of a pressure signal, a position value and a diffuseness value as audio data.

    摘要翻译: 提供了一种用于生成合并的音频数据流的装置。 该装置包括用于获得多个单层音频数据流的解复用器,其中每个输入音频数据流包括一个或多个层,其中,解复用器适于解复用一个或多个输入音频数据流中的每一个具有一个或多个 层分成两个或更多个具有恰好一层的解复用音频数据流。 此外,该装置包括用于基于多个单层音频数据流生成合并音频数据流的合并模块。 单层数据流和合并音频数据流的解复用的音频数据流的输入数据音频流的每一层包括作为音频数据的压力信号,位置值和扩散度值的压力值。

    APPARATUS AND METHOD FOR MICROPHONE POSITIONING BASED ON A SPATIAL POWER DENSITY
    8.
    发明申请
    APPARATUS AND METHOD FOR MICROPHONE POSITIONING BASED ON A SPATIAL POWER DENSITY 审中-公开
    基于空间功率密度的麦克风定位的装置和方法

    公开(公告)号:US20130142342A1

    公开(公告)日:2013-06-06

    申请号:US13445560

    申请日:2012-04-12

    IPC分类号: H04R29/00

    CPC分类号: H04R3/005 H04S2400/15

    摘要: An apparatus for microphone positioning includes a spatial power distribution determiner and a spatial information estimator. The spatial power distribution determiner is adapted to determine a spatial power density indicating power values for a plurality of locations of an environment based on sound source information indicating one or more power values and one or more position values of one or more sound sources located in the environment. The spatial information estimator is adapted to estimate acoustic spatial information based on the spatial power density.

    摘要翻译: 用于麦克风定位的装置包括空间功率分布确定器和空间信息估计器。 空间功率分配确定器适于基于指示一个或多个功率值的声源信息和位于所述环境中的一个或多个声源的一个或多个位置值来确定指示环境的多个位置的功率值的空间功率密度 环境。 空间信息估计器适于基于空间功率密度来估计声学空间信息。