Electronic Circuits and Tutorials
Electronics Schematics - S

Surround Sound Circuits - Audio Schematics

All pass Network Shifts Signals 90°: 04/27/95 EDN-Design Ideas

Digital Delay Unit for Surround Sound:

Quadraphonic Amplifier: This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card.

Surround Sound Decoder: This surround-sound decoder is based on the "Hafler" principle, first discovered by David Hafler sometime in the early1970s. The original idea was to connect a pair of speakers.

Surround Sound Mk1:

Surround Sound Mk2:

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