DIGITAL MEDIA UNIVERSAL ELEMENTARY STREAM
    1.
    发明申请
    DIGITAL MEDIA UNIVERSAL ELEMENTARY STREAM 有权
    数字媒体通用元素流

    公开(公告)号:US20120130721A1

    公开(公告)日:2012-05-24

    申请号:US13360577

    申请日:2012-01-27

    IPC分类号: G10L19/00

    CPC分类号: G10L19/167

    摘要: Described techniques and tools include techniques and tools for mapping digital media data (e.g., audio, video, still images, and/or text, among others) in a given format to a transport or file container format useful for encoding the data on optical disks such as digital video disks (DVDs). A digital media universal elementary stream can be used to map digital media streams (e.g., an audio stream, video stream or an image) into any arbitrary transport or file container, including optical disk formats, and other transports, such as broadcast streams, wireless transmissions, etc. The information to decode any given frame of the digital media in the stream can be carried in each coded frame. A digital media universal elementary stream includes stream components called chunks. An implementation of a digital media universal elementary stream arranges data for a media stream in frames, the frames having one or more chunks.

    摘要翻译: 描述的技术和工具包括用于将给定格式的数字媒体数据(例如,音频,视频,静止图像和/或文本等)映射到用于对光盘上的数据进行编码的传输或文件容器格式的技术和工具 例如数字视频盘(DVD)。 数字媒体通用基本流可用于将数字媒体流(例如,音频流,视频流或图像)映射到任何任意的传输或文件容器中,包括光盘格式和其他传输,例如广播流,无线 传输等。用于解码流中数字媒体的任何给定帧的信息可以在每个编码帧中传送。 数字媒体通用基本流包括称为块的流组件。 数字媒体通用基本流的实现将帧中的媒体流的数据排列,帧具有一个或多个块。

    Digital media universal elementary stream
    2.
    发明授权
    Digital media universal elementary stream 有权
    数字媒体通用基本流

    公开(公告)号:US08131134B2

    公开(公告)日:2012-03-06

    申请号:US10966443

    申请日:2004-10-15

    IPC分类号: H04N5/92 H04N5/93

    CPC分类号: G10L19/167

    摘要: Described techniques and tools include techniques and tools for mapping digital media data (e.g., audio, video, still images, and/or text, among others) in a given format to a transport or file container format useful for encoding the data on optical disks such as digital video disks (DVDs). A digital media universal elementary stream can be used to map digital media streams (e.g., an audio stream, video stream or an image) into any arbitrary transport or file container, including optical disk formats, and other transports, such as broadcast streams, wireless transmissions, etc. The information to decode any given frame of the digital media in the stream can be carried in each coded frame. A digital media universal elementary stream includes stream components called chunks. An implementation of a digital media universal elementary stream arranges data for a media stream in frames, the frames having one or more chunks.

    摘要翻译: 描述的技术和工具包括用于将给定格式的数字媒体数据(例如,音频,视频,静止图像和/或文本等)映射到用于对光盘上的数据进行编码有用的传输或文件容器格式的技术和工具 例如数字视频盘(DVD)。 数字媒体通用基本流可用于将数字媒体流(例如,音频流,视频流或图像)映射到任何任意的传输或文件容器中,包括光盘格式和其他传输,例如广播流,无线 传输等。用于解码流中数字媒体的任何给定帧的信息可以在每个编码帧中传送。 数字媒体通用基本流包括称为块的流组件。 数字媒体通用基本流的实现将帧中的媒体流的数据排列,帧具有一个或多个块。

    Digital media universal elementary stream
    3.
    发明申请
    Digital media universal elementary stream 有权
    数字媒体通用基本流

    公开(公告)号:US20050234731A1

    公开(公告)日:2005-10-20

    申请号:US10966443

    申请日:2004-10-14

    CPC分类号: G10L19/167

    摘要: Described techniques and tools include techniques and tools for mapping digital media data (e.g., audio, video, still images, and/or text, among others) in a given format to a transport or file container format useful for encoding the data on optical disks such as digital video disks (DVDs). A digital media universal elementary stream can be used to map digital media streams (e.g., an audio stream, video stream or an image) into any arbitrary transport or file container, including optical disk formats, and other transports, such as broadcast streams, wireless transmissions, etc. The information to decode any given frame of the digital media in the stream can be carried in each coded frame. A digital media universal elementary stream includes stream components called chunks. An implementation of a digital media universal elementary stream arranges data for a media stream in frames, the frames having one or more chunks.

    摘要翻译: 描述的技术和工具包括用于将给定格式的数字媒体数据(例如,音频,视频,静止图像和/或文本等)映射到用于对光盘上的数据进行编码有用的传输或文件容器格式的技术和工具 例如数字视频盘(DVD)。 数字媒体通用基本流可用于将数字媒体流(例如,音频流,视频流或图像)映射到任何任意的传输或文件容器中,包括光盘格式和其他传输,例如广播流,无线 传输等。用于解码流中数字媒体的任何给定帧的信息可以在每个编码帧中传送。 数字媒体通用基本流包括称为块的流组件。 数字媒体通用基本流的实现将帧中的媒体流的数据排列,帧具有一个或多个块。

    Digital audio processing
    4.
    发明授权
    Digital audio processing 有权
    数字音频处理

    公开(公告)号:US07672743B2

    公开(公告)日:2010-03-02

    申请号:US11114873

    申请日:2005-04-25

    IPC分类号: G06F17/00 H04J3/24 G01L19/00

    摘要: A compressed digital audio signal is transmitted from an audio source along a connection wire to an audio receiver. The digital audio signal can encode digital audio data having different sampling frequencies, frames sizes, and other information. The audio receiver that receives the digital audio signal can decode and convert the compressed digital audio signal into multiple synchronized analog signals, which are used to drive multiple speakers. The audio receiver may also synchronize the audio data with associated video data so that the audio playback and video playback are “in sync”, despite delay introduced by the audio signal decoding at the audio receiver.

    摘要翻译: 压缩的数字音频信号从音频源沿着连接线传输到音频接收器。 数字音频信号可以编码具有不同采样频率,帧大小和其他信息的数字音频数据。 接收数字音频信号的音频接收器可以将压缩的数字音频信号解码并转换成多个同步的模拟信号,用于驱动多个扬声器。 音频接收器还可以使音频数据与相关联的视频数据同步,使音频播放和视频播放“尽管同步”,尽管由音频接收器处的音频信号解码引入了延迟。

    Digital audio processing
    5.
    发明申请
    Digital audio processing 有权
    数字音频处理

    公开(公告)号:US20060241796A1

    公开(公告)日:2006-10-26

    申请号:US11114873

    申请日:2005-04-25

    IPC分类号: G06F17/00

    摘要: A compressed digital audio signal is transmitted from an audio source along a connection wire to an audio receiver. The digital audio signal can encode digital audio data having different sampling frequencies, frames sizes, and other information. The audio receiver that receives the digital audio signal can decode and convert the compressed digital audio signal into multiple synchronized analog signals, which are used to drive multiple speakers. The audio receiver may also synchronize the audio data with associated video data so that the audio playback and video playback are “in sync”, despite delay introduced by the audio signal decoding at the audio receiver.

    摘要翻译: 压缩的数字音频信号从音频源沿着连接线传输到音频接收器。 数字音频信号可以编码具有不同采样频率,帧大小和其他信息的数字音频数据。 接收数字音频信号的音频接收器可以将压缩的数字音频信号解码并转换成多个同步的模拟信号,用于驱动多个扬声器。 音频接收器还可以使音频数据与相关联的视频数据同步,使音频播放和视频播放“尽管同步”,尽管由音频接收器处的音频信号解码引入了延迟。

    HARMONICITY-BASED SINGLE-CHANNEL SPEECH QUALITY ESTIMATION
    6.
    发明申请
    HARMONICITY-BASED SINGLE-CHANNEL SPEECH QUALITY ESTIMATION 有权
    基于谐波的单通道语音质量估计

    公开(公告)号:US20130151244A1

    公开(公告)日:2013-06-13

    申请号:US13316430

    申请日:2011-12-09

    IPC分类号: G10L19/14

    CPC分类号: G10L25/69

    摘要: Speech quality estimation technique embodiments are described which generally involve estimating the human speech quality of an audio frame in a single-channel audio signal. A representation of a harmonic component of the frame is synthesized and used to compute a non-harmonic component of the frame. The synthesized harmonic component representation and the non-harmonic component are then used to compute a harmonic to non-harmonic ratio (HnHR). This HnHR is indicative of the quality of a user's speech and is designated as an estimate of the speech quality of the frame. In one implementation, the HnHR is used to establish a minimum speech quality threshold below which the quality of the user's speech is considered unacceptable. Feedback to the user is then provided based on whether the HnHR falls below the threshold.

    摘要翻译: 描述了通常涉及在单声道音频信号中估计音频帧的人类语音质量的语音质量估计技术实施例。 合成帧的谐波分量的表示,并用于计算帧的非谐波分量。 然后使用合成谐波分量表示和非谐波分量来计算谐波到非谐波比(HnHR)。 该HnHR表示用户语音的质量,并且被指定为帧的语音质量的估计。 在一个实现中,HnHR用于建立最小语音质量阈值,低于该最低语音质量阈值,用户语音的质量被认为是不可接受的。 然后基于HnHR是否低于阈值来提供对用户的反馈。

    Method and apparatus for reducing timestamp noise in audio echo cancellation
    7.
    发明授权
    Method and apparatus for reducing timestamp noise in audio echo cancellation 有权
    用于减少音频回声消除中的时间戳噪声的方法和装置

    公开(公告)号:US08259928B2

    公开(公告)日:2012-09-04

    申请号:US11788939

    申请日:2007-04-23

    IPC分类号: H04M9/08

    CPC分类号: H04M9/082

    摘要: A communication end device of a two-way communication system is shown. The device includes an audio signal capture device for capturing local audio to be transmitted to another end device, an audio signal rendering device for playing remote audio received from the other end device, and buffers for buffering the captured and rendered audio signals. The device also includes an audio echo canceller operating to predict echo from the rendered audio signal at a calculated relative offset in the captured audio signal based on an adaptive filter, and subtract the predicted echo from the signal transmitted to the other end device The calculated relative offset that is used by the audio echo canceller for a current signal sample is adjusted if a difference between it and an adjusted relative offset of a preceding sample exceeds a threshold value.

    摘要翻译: 示出了双向通信系统的通信终端设备。 该装置包括用于捕获要发送到另一终端设备的本地音频的音频信号捕获设备,用于播放从另一端设备接收的远程音频的音频信号渲染设备,以及用于缓冲所捕获和渲染的音频信号的缓冲器。 该装置还包括音频回波消除器,其操作以基于自适应滤波器在所捕获的音频信号中以计算的相对偏移来预测来自渲染音频信号的回波,并且从发送到另一端装置的信号中减去预测回波。计算的相对 当音频回波消除器用于当前信号样本的偏移量如果其与先前样本的经调整的相对偏移之间的差异超过阈值则被调整。

    SPATIALIZED AUDIO OVER HEADPHONES
    8.
    发明申请
    SPATIALIZED AUDIO OVER HEADPHONES 有权
    耳机上的空间音频

    公开(公告)号:US20100303266A1

    公开(公告)日:2010-12-02

    申请号:US12472080

    申请日:2009-05-26

    IPC分类号: H04R5/02

    CPC分类号: H04R27/00

    摘要: A spatial element is added to communications, including over telephone conference calls heard through headphones or a stereo speaker setup. Functions are created to modify signals from different callers to create the illusion that the callers are speaking from different parts of the room.

    摘要翻译: 一个空间元素添加到通信中,包括通过耳机听到的电话会议通话或立体声扬声器设置。 创建功能来修改来自不同呼叫者的信号,以创建呼叫者从房间的不同部分讲话的错觉。

    Entropy coding by adapting coding between level and run-length/level modes
    9.
    发明申请
    Entropy coding by adapting coding between level and run-length/level modes 有权
    熵编码通过适应水平和游程长度/级别模式之间的编码

    公开(公告)号:US20050015249A1

    公开(公告)日:2005-01-20

    申请号:US10647923

    申请日:2003-08-25

    摘要: An audio encoder performs adaptive entropy encoding of audio data. For example, an audio encoder switches between variable dimension vector Huffman coding of direct levels of quantized audio data and run-level coding of run lengths and levels of quantized audio data. The encoder can use, for example, context-based arithmetic coding for coding run lengths and levels. The encoder can determine when to switch between coding modes by counting consecutive coefficients having a predominant value (e.g., zero). An audio decoder performs corresponding adaptive entropy decoding.

    摘要翻译: 音频编码器执行音频数据的自适应熵编码。 例如,音频编码器在量化音频数据的直接电平的可变维矢量霍夫曼编码和游程长度的游程级编码以及量化的音频数据的电平之间切换。 编码器可以使用例如用于对运行长度和电平进行编码的基于上下文的算术编码。 编码器可以通过计算具有主要值(例如,零)的连续系数来确定何时在编码模式之间切换。 音频解码器执行相应的自适应熵解码。