Digital Speech Standard
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Digital Speech Standard (DSS) is a proprietary compressed digital audio file format defined by the International Voice Association, a consortium of Olympus, Philips and Grundig Business Systems.
DSS was originally developed in 1994 by Grundig with the University of Nuremberg. In 1997, the digital speech standard was released, which was based on the previous codec. It is commonly used on digital dictation recorders. Modern psychoacoustical codecs that perform nearly as well at only slightly higher bitrates have led to this speech coding standard being less used in modern voice recording equipment.
