AudioSpeakerMode.Prologic

Description

Stereo output, but data is encoded in a way that is picked up by a Pro Logic or Pro Logic 2 decoder and split into a 5.1 speaker setup.

The Pro Logic speaker mode is a surround matrix (up to 5 channels) encoded into 2-channel stereo (Dolby Pro Logic–style). Channel count is set to 2. Only use this speaker mode if you must support matrix decoding.

Without a decoder, it just plays as normal stereo.

Pros:

• Pro Logic works as stereo.
• You can decode to surround on compatible receivers.

Cons:

• This speaker mode isn't discrete.
• Quality depends on the decoder.
• Pro Logic is often treated as plain stereo today.