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1. 发明申请

WO2003058473A1 INTERACTIVE SPATALIZED AUDIOVISUAL SYSTEM 审中-公开
标题翻译：交互式音乐系统
公开(公告)号：WO2003058473A1
公开(公告)日：2003-07-17
申请号：PCT/AU2003/000019
申请日：2003-01-09
申请人： LAKE TECHNOLOGY LIMITED , MCGRATH, David, Stanley , HECKENBERG, Daniel, Richard , BENNETT, Stephen, James
发明人： MCGRATH, David, Stanley , HECKENBERG, Daniel, Richard , BENNETT, Stephen, James
IPC分类号： G06F15/16
CPC分类号： H04L12/1822 , H04L67/38 , H04M3/56 , H04M3/564 , H04M3/568 , H04S3/008
摘要： An interactive spatialized audiovisual system links a plurality of remote used terminals. The system comprises a networked computer having an associated user database including user status information. Input means are provided at the computer for receiving a plurality of audio streams and associated locating data from the remote user terminals for virtually locating the users relative to one another within a virtual user environment such as a chat room environment. Selection means are provided for enabling selection of at least the first group of the audio streams in a first selection process based on status information in the user database. Output means output the selected group of audio streams and associated locating data for spatialization of the audio streams relative to a first listener-based audio reference frame which is substantially coherent with visual representations of the audio sources defined by the locating data at the first user terminal. Merging means are provided for merging at least some of the audio streams into a merged audio stream for transmittal to the first and other user terminal, with the merged audio stream being spatialized so as to provide for a spatialized background audio effect in the audio reference frame at the user terminal.
摘要翻译：交互式空间化视听系统链接多个远程使用终端。该系统包括具有包括用户状态信息的关联用户数据库的联网计算机。在计算机处提供输入装置，用于从诸如聊天室环境的虚拟用户环境中接收来自远程用户终端的多个音频流和相关联的定位数据，用于虚拟地定位用户相对于彼此。提供选择装置，用于基于用户数据库中的状态信息在第一选择过程中至少选择第一组音频流。输出装置输出所选择的一组音频流和相关联的定位数据，用于相对于基于第一听众的音频参考帧进行空间化，该音频参考帧与由第一用户终端上的定位数据定义的音频源的视觉表示基本一致。合并装置被提供用于将至少一些音频流合并成合并的音频流以传送到第一和其他用户终端，其中合并的音频流被空间化，以便提供音频参考帧中的空间化背景音频效果在用户终端。

2. 发明申请

WO2003042841A1 LOW LATENCY COMPUTATION IN REAL TIME UTILIZING A DSP PROCESSOR 审中-公开
标题翻译：利用DSP处理器实时实时的低延迟计算
公开(公告)号：WO2003042841A1
公开(公告)日：2003-05-22
申请号：PCT/AU2002/001535
申请日：2002-11-11
申请人： LAKE TECHNOLOGY LIMITED , MCGRATH, David, Stanley , REILLY, Andrew
发明人： MCGRATH, David, Stanley , REILLY, Andrew
IPC分类号： G06F13/00
CPC分类号： G06F17/15
摘要： A method for applying a computation utilising a processor (112) capable of accessing an on-chip memory (114) and data from an off-chip source (116), the method comprising the iterative steps of retrieving at the on-chip memory (114) successive frames of input data from the off-chip source (116); computing from a current input frame of data (30) available in the on-chip memory current result elements for completing a current output frame of results (33, 34, 35), and pre-computing from the current frame of input data future result elements for contributing to at least one future output frame of results.
摘要翻译：一种利用能够访问片上存储器（114）的处理器（112）和来自芯片外源（116）的数据来应用计算的方法，所述方法包括迭代步骤，在片上存储器 114）来自片外源（116）的连续帧的输入数据; 从可用于片上存储器当前结果元素的数据（30）的当前输入帧计算以完成当前输出结果帧（33,34,35），以及从当前输入数据帧的未来计算结果促成至少一个未来输出结果框架的元素。

3. 发明申请

WO2002084885A1 HIGH FREQUENCY SIGNAL CONSTRUCTION METHOD AND APPARATUS 审中-公开
标题翻译：高频信号构造方法及装置
公开(公告)号：WO2002084885A1
公开(公告)日：2002-10-24
申请号：PCT/AU2002/000464
申请日：2002-04-10
申请人： LAKE TECHNOLOGY LIMITED , MCGRATH, David, Stanley
发明人： MCGRATH, David, Stanley
IPC分类号： H03M7/30
CPC分类号： G11B20/10212 , G11B20/10037 , G11B20/10046 , G11B20/1876 , G11B2020/10546
摘要： A method of adding high frequency content to an input signal to form an augmented signal, the method comprising the steps of: (a) providing an initial signal having a first predetermined lower spectral range; (b) utilising the initial signal to form synthesised high frequency components of the initial signal; (c) filtering the initial signal with a low pass filter and filtering the synthesised high frequency components with a high pass filter (d) combining the filtered signals to form the augmented signal.
摘要翻译：一种将高频内容添加到输入信号以形成增强信号的方法，所述方法包括以下步骤：（a）提供具有第一预定较低光谱范围的初始信号; （b）利用初始信号形成初始信号的合成高频分量; （c）用低通滤波器对初始信号进行滤波，并用合成滤波信号的高通滤波器（d）对合成的高频分量进行滤波，形成增强信号。

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