Previous surround schemes project sound in the horizontal plane. Dolby's Pro Logic IIz adds height channel outputs to produce a more enveloping surround experience. Steve Guttenberg Former ...

Dolby's latest surround mode adds a vertical dimension ... with excitement about its new processing trick, "With Dolby Pro Logic IIz, rain in a movie now seems to be actually falling on the ...

Indianapolis — Dolby plans a CEDIA Expo unveiling of its new Pro Logic IIx technology, described as the industry’s first licensed technology to upconvert two-channel audio, matrixed Dolby Surround, ...

While matrix surround systems such as Dolby Pro Logic II (DPLII) and SRS Circle Surround (CS) cannot perform as well as discrete digital systems, they are effective solutions for many broadcasters. To ...

As most enthusiasts know, Dolby Pro Logic has evolved over the years as a digital logic ... for instance), detects ambient information and routes that to two surround channels (5.1), and leaves ...

According to the company, Dolby Pro Logic II keeps the surround soundfield intact even while tuning between HD Radio stations and during signal fades or periods of blending to analog. The system was ...

Up to now the encoded output was limited to Mono, Stereo, and Dolby Surround Pro-Logic. Now the developer just throws a switch and MusyX Pro-Logic Output is changed to Pro-Logic II and you have ...

Because separation was only about 3 dB (front to back) with Dolby Surround, front channel information in the rear channels was subdued by rolling the highs off. Dolby Pro Logic was introduced in 1986, ...

Introduced in 2000, Dolby Pro Logic II was intended not only to derive five channels from a Dolby Surround encoded stereo movie soundtrack but also to "bring out the hidden spatial cues in ...

This evolved into Dolby Pro Logic, which could intelligently extract 5.1 surround sound from a regular stereo soundtrack. 1992's "Batman Returns" was the first film released in Dolby Digital ...

Surround sound is exactly what it sounds like: a category of products and technologies designed to immerse you in audio from all sides, all angles, and, increasingly, from all heights too.