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1. 发明授权

US5983257A System for signal processing using multiply-add operations 失效
标题翻译：使用多重加法运算的信号处理系统
公开(公告)号：US5983257A
公开(公告)日：1999-11-09
申请号：US578829
申请日：1995-12-26
申请人： Carole Dulong , Larry M. Mennemeier , Tuan H. Bui , Eiichi Kowashi , Alexander D. Peleg , Benny Eitan , Stephen A. Fischer , Benny Maytal , Millind Mittal
发明人： Carole Dulong , Larry M. Mennemeier , Tuan H. Bui , Eiichi Kowashi , Alexander D. Peleg , Benny Eitan , Stephen A. Fischer , Benny Maytal , Millind Mittal
IPC分类号： G06F7/544 , G06F9/302 , G06F7/00 , G06F7/52
CPC分类号： G06F9/30036 , G06F7/5443 , G06F9/30014 , G06F2207/3828
摘要： A computer system which includes a multimedia input device which generates an audio or video input signal and a processor coupled to the multimedia input device. The system further includes a storage device coupled to the processor and having stored therein a signal processing routine for multiplying and accumulating input values representative of the audio or video input signal. The signal processing routine, when executed by the processor, causes the processor to perform several steps. These steps include performing a packed multiply add on a first set of values packed into a first source and a second set of values packed into a second source each representing input signals to generate a packed intermediate result. The packed intermediate result is added to an accumulator to generate a packed accumulated result in the accumulator. These steps may be iterated with the first set of values and portions of the second set of values to the accumulator to generate the packed accumulated result. Subsequent thereto, the packed accumulated result in the accumulator is unpacked into a first result and a second result and the first result and the second result are added together to generate an accumulated result.
摘要翻译：一种计算机系统，其包括产生音频或视频输入信号的多媒体输入设备和耦合到所述多媒体输入设备的处理器。该系统还包括耦合到处理器并且在其中存储有用于乘以和累加表示音频或视频输入信号的输入值的信号处理例程的存储装置。信号处理程序在由处理器执行时使处理器执行几个步骤。这些步骤包括对打包到第一源的第一组值进行压缩乘法加法，并将第二组值打包到表示输入信号的第二源中，以生成打包的中间结果。将打包的中间结果加到累加器中以在累加器中产生打包累计结果。这些步骤可以用第一组值和第二组值的部分迭代到累加器，以产生打包的累积结果。随后，将累加器中的打包累积结果解包成第一结果，将第二结果与第一结果和第二结果相加在一起以产生累积结果。

2. 发明授权

US5793661A Method and apparatus for performing multiply and accumulate operations on packed data 失效
标题翻译：对打包数据执行乘法和累加操作的方法和装置
公开(公告)号：US5793661A
公开(公告)日：1998-08-11
申请号：US578827
申请日：1995-12-26
申请人： Carole Dulong , Larry Mennemeier , Tuan H. Bui , Eiichi Kowashi , Alexander D. Peleg , Benny Eitan , Stephen A. Fischer , Benny Maytal , Millind Mittal
发明人： Carole Dulong , Larry Mennemeier , Tuan H. Bui , Eiichi Kowashi , Alexander D. Peleg , Benny Eitan , Stephen A. Fischer , Benny Maytal , Millind Mittal
IPC分类号： G06F7/544 , G06F7/00
CPC分类号： G06F7/5443 , G06F2207/3828
摘要： A method of multiplying and accumulating two sets of values in a computer system. A packed multiply add is performed on a first portion of a first set of values packed into a first source and a first portion of a second set of values packed into a second source to generate a first result. The first result is unpacked into a plurality of values (e.g. two). The plurality of values is then added together to form a resulting accumulation value.
摘要翻译：一种在计算机系统中乘法和累加两组值的方法。在打包到第一源的第一组值的第一部分和打包到第二源中的第二组值的第一部分的第一部分上执行打包乘法加法以产生第一结果。第一个结果被打包成多个值（例如两个）。然后将多个值相加在一起以形成结果积累值。

3. 发明授权

US07151794B2 Modem channel sharing based on frequency division 失效
标题翻译：基于分频的调制解调器信道共享
公开(公告)号：US07151794B2
公开(公告)日：2006-12-19
申请号：US10219881
申请日：2002-08-14
申请人： Gil Koifman , Benny Maytal
发明人： Gil Koifman , Benny Maytal
IPC分类号： H04B1/38
CPC分类号： H04L5/06
摘要： A data communication system includes a head-end modem, which is adapted to transmit downstream data signals over a communication medium in a first frequency band and to receive upstream data signals over the communication medium in a second frequency band, each of the first and second frequency bands including multiple frequency bins. At least first and second customer-premises modems are coupled in parallel to the head-end modem via the communication medium so as to receive the downstream data signals transmitted by the head-end modem in the first frequency band, and to transmit the upstream data signals in the second frequency band subject to multiplexing of the second frequency band between the first and second customer-premises modems.
摘要翻译：数据通信系统包括头端调制解调器，其适于通过第一频带中的通信介质发送下行数据信号，并且在第二频带中通过通信介质接收上行数据信号，第一和第二包括多个频率仓的频带。至少第一和第二客户端调制解调器经由通信介质并行耦合到头端调制解调器，以便接收由第一频带中的前端调制解调器发送的下游数据信号，并且发送上行数据经过第一和第二客户端调制解调器之间的第二频带的多路复用的第二频带中的信号。

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