The Digirator DR2 is a reference grade digital audio signal generator with transformer balanced AES3, S/PDIF and ADAT outputs.Besides a comprehensive set of 2 channel PCM audio test
signals, the DR2 also supports surround sound test sequences for
verification and adjustment of professional Dolby Digital, Dolby E and
DTS installations. The internal low jitter clock generator can be
synchronized to AES3, DARS, Word Clock and Video signals. Measurement
of channel transparency, channel propagation delay and sample frequency
is also supported.