US Patent 7146321 Distributed speech recognition system

A distributed speech recognition system includes a speech processor linked to a plurality of speech recognition engines. The speech processor includes an input for receiving speech files from a plurality of users and storage means for storing the received speech files until such a time that they are forwarded to a selected speech recognition engine for processing. The speech processor further includes a dispatch system linked to the storage means for controlling the transmission of speech files to the plurality of speech recognition engines in a controlled manner.