4 ms·
That sounds like you might be thinking of the earliest form of surround sound, as was used for 2001 and some other films. This was developed to become Dolby Ste
by aardvark179 5y ago
That sounds like you might be thinking of the earliest form of surround sound, as was used for 2001 and some other films. This was developed to become Dolby Stereo in the late 70s, and Dolby Pro Logic for home cinema in the 80s.
- gwbas1c 5y agoYou're confusing magnetic tracks and optical tracks. See https://en.wikipedia.org/wiki/Dolby_Stereo https://en.wikipedia.org/wiki/Dolby_Stereo