Dolby Stereo (now Dolby Digital)Edit

It was named Dolby Stereo until 1995 when the name was changed to Dolby Digital and and placed the latter text on the bottom instead of in pride the box with the Dolby name.

1966-1995, 1997, 1999Edit

Spectral Recording Dolby StereoEdit


Spectral Recording Dolby Stereo DigitalEdit

1993-1996, 2006Edit