[Bill] explains how the projector reads the optical soundtrack. He also delves into the mechanisms that allow continuous sound playback alongside intermittent projection of the image frames.

While the British thriller "Callan" starring Edward Woodward was the first film to feature release prints with a Dolby-encoded optical soundtrack, Ken Russell's "Lisztomania," a psychedelic ...

One big problem with these early optical soundtracks was that they were variable density, not variable area. A variable density soundtrack records the varying audio waveform as varying transparency in ...

Optical audio cables, also known as TOSLINK cables, are essential for transmitting audio signals between devices in your home cinema setup. They are particularly useful for connecting older sound ...

Like coaxial, one of the issues with optical is that it doesn’t have enough bandwidth for the lossless audio formats such as Dolby TrueHD or DTS-HD Master Audio soundtracks found on most Blu-rays and ...

While driving on a back-country road one day, [Urpo]’s dad noticed that the shadows of the trees on the road looked like an optical film soundtrack, so it was up to the son to make it happen.