知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

197 records (took 0.091 seconds)

    INTERMEDIATE COMPRESSION FOR HIGHER ORDER AMBISONIC AUDIO DATA
    102.
    发明申请
    INTERMEDIATE COMPRESSION FOR HIGHER ORDER AMBISONIC AUDIO DATA 有权
    用于高阶音乐音频数据的中间压缩

    公开(公告)号：US20160064005A1

    公开(公告)日：2016-03-03

    申请号：US14838066

    申请日：2015-08-27

    Applicant: QUALCOMM Incorporated

    Inventor： Nils Günther Peters ,  Dipanjan Sen

    IPC: G10L19/008 ,  H04S3/00

    CPC classification number: G10L19/008 ,  G10L19/167 ,  H04H20/89 ,  H04H60/07 ,  H04S3/008 ,  H04S2420/11

    Abstract: In general, techniques are directed to intermediate compression of higher order ambisonic audio data. For example, a device comprising a processor and a memory may be configured to perform the techniques. The memory may be configured to store an intermediately formatted audio data generated as a result of an intermediate compression of higher order ambisonic audio data. The one or more processors may be configured to process the intermediately formatted audio data.

    Abstract translation: 一般来说，技术是针对高级ambisonic音频数据的中间压缩。 例如，包括处理器和存储器的设备可以被配置为执行技术。 存储器可以被配置为存储由于较高级别的声音数据的中间压缩而产生的格式间格式的音频数据。 一个或多个处理器可以被配置为处理中间格式化的音频数据。

    SELECTING CODEBOOKS FOR CODING VECTORS DECOMPOSED FROM HIGHER-ORDER AMBISONIC AUDIO SIGNALS
    103.
    发明申请
    SELECTING CODEBOOKS FOR CODING VECTORS DECOMPOSED FROM HIGHER-ORDER AMBISONIC AUDIO SIGNALS 审中-公开
    选择用于编码由高级音频音频信号分解的向量的代码

    公开(公告)号：US20150332692A1

    公开(公告)日：2015-11-19

    申请号：US14712849

    申请日：2015-05-14

    Applicant: QUALCOMM Incorporated

    Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen

    IPC: G10L19/038

    Abstract: In general, techniques are described for performing codebook selection when coding vectors decomposed from higher-order ambisonic coefficients. A device comprising a memory and a processor may perform the techniques. The memory may be configured to store a plurality of codebooks to use when performing vector dequantization with respect to a vector quantized spatial component of a soundfield. The vector quantized spatial component may be obtained through application of a decomposition to a plurality of higher order ambisonic coefficients. The processor may be configured to select one of the plurality of codebooks.

    Abstract translation: 一般来说，描述了当从高阶ambisonic系数分解的编码矢量时进行码本选择的技术。 包括存储器和处理器的装置可以执行这些技术。 存储器可以被配置为存储当相对于声场的矢量量化空间分量执行向量去量化时要使用的多个码本。 矢量量化空间分量可以通过将分解应用于多个较高阶的Ambisonic系数来获得。 处理器可以被配置为选择多个码本中的一个。

    DETERMINING BETWEEN SCALAR AND VECTOR QUANTIZATION IN HIGHER ORDER AMBISONIC COEFFICIENTS
    104.
    发明申请
    DETERMINING BETWEEN SCALAR AND VECTOR QUANTIZATION IN HIGHER ORDER AMBISONIC COEFFICIENTS 有权
    确定标准和高阶健康系数中的矢量量化

    公开(公告)号：US20150332691A1

    公开(公告)日：2015-11-19

    申请号：US14712843

    申请日：2015-05-14

    Applicant: QUALCOMM Incorporated

    Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen

    IPC: G10L19/038

    CPC classification number: G10L19/038 ,  G10L19/008

    Abstract: In general, techniques are described for coding of vectors decomposed from higher-order ambisonic coefficients. A device comprising a memory and a processor may perform the techniques. The memory may be configured to store audio data. The processor may be configured to determine whether to perform vector dequantization or scalar dequantization with respect to a decomposed version of the plurality of HOA coefficients.

    Abstract translation: 通常，描述了用于编码从高阶ambisonic系数分解的向量的技术。 包括存储器和处理器的装置可以执行这些技术。 存储器可以被配置为存储音频数据。 处理器可以被配置为确定是否对多个HOA系数的分解版本执行向量去量化或标量去量化。

    CLOSED LOOP QUANTIZATION OF HIGHER ORDER AMBISONIC COEFFICIENTS
    105.
    发明申请
    CLOSED LOOP QUANTIZATION OF HIGHER ORDER AMBISONIC COEFFICIENTS 有权
    闭环式定量更高级别的健康系数

    公开(公告)号：US20150332681A1

    公开(公告)日：2015-11-19

    申请号：US14712638

    申请日：2015-05-14

    Applicant: QUALCOMM Incorporated

    Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen

    IPC: G10L19/008 ,  H04S3/02 ,  H04S5/00 ,  G10L19/038

    CPC classification number: G10L19/008 ,  G10L19/032 ,  G10L19/038 ,  G10L19/20 ,  H04S3/02 ,  H04S5/005 ,  H04S2400/01 ,  H04S2420/11

    Abstract: In general, techniques are described for closed loop quantization of HOA coefficients that provide a three-dimensional representation of the sound field. An audio encoding device may perform closed loop quantization of an audio object based at least in part on a result of performing quantization of directional information associated with the audio object. An audio decoding device may obtain an audio object that has been closed loop quantized based at least in part on a result of performing quantization of directional information associated with the audio object, and may dequantize the audio object.

    Abstract translation: 通常，描述了提供声场的三维表示的HOA系数的闭环量化的技术。 音频编码装置可以至少部分地基于与音频对象相关联的方向信息的量化的结果来执行音频对象的闭环量化。 音频解码装置可以至少部分地基于与音频对象相关联的方向信息的量化的结果来获得已被闭环量化的音频对象，并且可以对音频对象进行去量化。

    LOW FREQUENCY RENDERING OF HIGHER-ORDER AMBISONIC AUDIO DATA
    107.
    发明申请
    LOW FREQUENCY RENDERING OF HIGHER-ORDER AMBISONIC AUDIO DATA 审中-公开
    低频率升级的高级音乐数据

    公开(公告)号：US20150264483A1

    公开(公告)日：2015-09-17

    申请号：US14656210

    申请日：2015-03-12

    Applicant: QUALCOMM Incorporated

    Inventor： Martin James Morrell ,  Nils Günther Peters ,  Dipanjan Sen

    IPC: H04R5/02 ,  G10L19/08

    CPC classification number: H04R5/02 ,  G10L19/08 ,  H04S3/02 ,  H04S2400/15 ,  H04S2420/11

    Abstract: In general, techniques are described for low frequency rendering of higher-order ambisonic audio data. As an example, a device comprising a memory and a processor may perform the techniques. The memory may be configured to store higher-order ambisonic coefficients. The processor may be configured to obtain a renderer to be used when rendering the higher-order ambisonic coefficients into a speaker feed for a low frequency speaker.

    Abstract translation: 一般来说，描述了用于低阶环绕声音频数据的低频渲染的技术。 作为示例，包括存储器和处理器的设备可以执行这些技术。 存储器可以被配置为存储高阶ambisonic系数。 处理器可以被配置为获得在将较高阶的Ambisonic系数渲染到用于低频扬声器的扬声器馈送中时使用的渲染器。

    FILTERING WITH BINAURAL ROOM IMPULSE RESPONSES
    108.
    发明申请
    FILTERING WITH BINAURAL ROOM IMPULSE RESPONSES 有权
    过滤室内刺激反应

    公开(公告)号：US20140355796A1

    公开(公告)日：2014-12-04

    申请号：US14288293

    申请日：2014-05-27

    Applicant: QUALCOMM Incorporated

    Inventor： Pei Xiang ,  Dipanjan Sen ,  Nils Günther Peters ,  Martin James Morrell

    IPC: H04S7/00

    CPC classification number: H04S7/305 ,  G10K15/12 ,  G10L19/008 ,  H04S1/002 ,  H04S1/005 ,  H04S3/004 ,  H04S5/00 ,  H04S7/306 ,  H04S7/307 ,  H04S2400/01 ,  H04S2420/01 ,  H04S2420/07 ,  H04S2420/11

    Abstract: A device comprising one or more processors is configured to determine a plurality of segments for each of a plurality of binaural room impulse response filters, wherein each of the plurality of binaural room impulse response filters comprises a residual room response segment and at least one direction-dependent segment for which a filter response depends on a location within a sound field; transform each of at least one direction-dependent segment of the plurality of binaural room impulse response filters to a domain corresponding to a domain of a plurality of hierarchical elements to generate a plurality of transformed binaural room impulse response filters, wherein the plurality of hierarchical elements describe a sound field; and perform a fast convolution of the plurality of transformed binaural room impulse response filters and the plurality of hierarchical elements to render the sound field.

    Abstract translation: 包括一个或多个处理器的设备被配置为为多个双耳室脉冲响应滤波器中的每一个确定多个段，其中所述多个双耳室脉冲响应滤波器中的每一个包括残余房间响应段和至少一个方向 - 滤波器响应取决于声场内的位置; 将所述多个双耳室脉冲响应滤波器中的至少一个方向依赖片段中的每一个变换为与多个分层元件的域对应的域，以生成多个经变换的双耳房间脉冲响应滤波器，其中所述多个分级元件 描述一个声场; 并且执行多个经变换的双耳室脉冲响应滤波器和多个分层元件的快速卷积以呈现声场。

    FILTERING WITH BINAURAL ROOM IMPULSE RESPONSES WITH CONTENT ANALYSIS AND WEIGHTING
    109.
    发明申请
    FILTERING WITH BINAURAL ROOM IMPULSE RESPONSES WITH CONTENT ANALYSIS AND WEIGHTING 有权
    带有内容分析和称重的双室刺激反应过滤

    公开(公告)号：US20140355795A1

    公开(公告)日：2014-12-04

    申请号：US14288277

    申请日：2014-05-27

    Applicant: QUALCOMM Incorporated

    Inventor： Pei Xiang ,  Dipanjan Sen

    IPC: H04S7/00

    CPC classification number: H04S7/305 ,  G10K15/12 ,  G10L19/008 ,  H04S1/002 ,  H04S1/005 ,  H04S3/004 ,  H04S5/00 ,  H04S7/306 ,  H04S7/307 ,  H04S2400/01 ,  H04S2420/01 ,  H04S2420/07 ,  H04S2420/11

    Abstract: A device comprising one or more processors is configured to apply adaptively determined weights to a plurality of channels of the audio signal to generate a plurality of adaptively weighted channels of the audio signal. The processors are further configured to combine at least two of the plurality of adaptively weighted channels of the audio signal to generate a combined signal. The processors are further configured to apply a binaural room impulse response filter to the combined signal to generate a binaural audio signal.

    Abstract translation: 包括一个或多个处理器的设备被配置为将自适应确定的权重应用于音频信号的多个信道，以产生音频信号的多个自适应加权的信道。 处理器还被配置为组合音频信号的多个自适应加权信道中的至少两个以产生组合信号。 处理器还被配置为对组合信号应用双耳室脉冲响应滤波器以产生双耳音频信号。

Patent Agency Ranking