Vocalzoom Systems Ltd.

Fibronics Ltd.

Yechiel Kurtz

Yoram Rimoni

Tal Bakish

Yekutiel Avargel

Moshe Zaiger

Gabi Ben-David

Ilan Glazer

Gavriel Horowitz

Yossef Moati

A system for distinguishing and identifying speech segments originating from speech of one or more relevant speakers in a predefined detection area. The system includes an optical system which outputs optical patterns, each representing audio signals as detected by the optical system in the area within a specific time frame; and a computer processor which receives each of the outputted optical patterns and analyses each respective optical pattern to provide information that enables identification of speech segments thereby, by identifying blank spaces in the optical pattern, which define beginning or ending of each respective speech segment.

Method and system for identification of speech segments

A look-up table for use in a bridge employing negative filtering for interconnecting first and second networks in a data communications system. Associated with each data transmission is a source and destination address each having a total of (m+n) binary data bits, the bridge passing the data transmission from one network to the other unless the destination address is found in the look-up table and corresponds to the sending network. The look-up table comprises an encoding means responsive to an (m+n) bit address for producing first and second codes having respectively m and n bits of data which together allow the (m+n) bit address to be decoded unambiguously, a random access memory (RAM) coupled to the encoding means and having m addressable locations each for storing at least n bits of data, and a contents addressable memory (CAM) coupled to the encoding means and having a plurality of addressable locations each for storing at least (m+n) bits of data. If the location in RAM whose address is equal to the first code is available, then the second code is stored in the location. Otherwise, if the second code is not stored therein already, then all (m+n) bits of the (m+n) bit address are stored in an available location in the CAM unless they are stored therein already. A destination address is looked up by reading the contents of the CAM as well as the contents of the location in the RAM whose address is equal to the first code.

Look-up table for a bridge in a data communications system

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Haifa, Israel

Yechiel Kurtz