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1. 发明授权

US07295567B2 Audio signal rate adaptation method and system 有权
标题翻译：音频信号速率适应方法及系统
公开(公告)号：US07295567B2
公开(公告)日：2007-11-13
申请号：US10408060
申请日：2003-04-04
申请人： David B. Tweed , Alan P. Keane
发明人： David B. Tweed , Alan P. Keane
IPC分类号： H04B7/212
CPC分类号： H04H20/06 , H04H60/79 , H04H60/81 , H04J3/0626 , H04J3/0632 , H04L47/24 , H04L49/90
摘要： A system for adapting a transmission rate of an audio signal transmitted over a TDM communications link from a source to a destination includes a first variable-depth storage component and a first processor at the source, and a second variable-length storage component and a second processor at the destination. The first storage component stores the audio signal, and the first processor selectively withdraws the signal from the first storage component. The first processor encapsulates the signal into packets and transmits the packets via the TDM link. The second processor receives the packets, removes the audio signal, and deposits the signal into the second variable-depth storage component. The first processor selectively withdraws the audio signal as a function of the amount of data in the first storage component, and the second processor selectively withdraws the audio signal as a function of an amount of data in the second storage component.
摘要翻译：用于使通过TDM通信链路从源传送到目的地的音频信号的传输速率的系统包括第一可变深度存储组件和源处的第一处理器，以及第二可变长度存储组件和第二可变长度存储组件处理器在目的地。第一存储组件存储音频信号，并且第一处理器选择性地从第一存储组件中提取信号。第一个处理器将信号封装成分组，并通过TDM链路传输分组。第二处理器接收分组，去除音频信号，并将信号存入第二可变深度存储组件。第一处理器根据第一存储组件中的数据量选择性地退出音频信号，并且第二处理器根据第二存储组件中的数据量来选择性地退出音频信号。

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