MM1454 Datasheet (MITSUMI) - Q Surround Processor

MM1454, Q Surround Processor

MITSUMI Q Surround Processor MM1454 Q Surround Processor Monolithic IC MM1454 Outline This is an analog IC virtual surround processor that faithfully reproduces the sound algorithm developed by Q SOUND Labs, Inc.

In particular, when a stereo signal (L/Rch) encoded by Dolby Pro Logic is input to this IC, a virtual rear speaker is created spatially, and this allows reproduction of realistic, 3-dimensional sound from two speakers, without the addition of another speaker.

Q Xpander technology all

MM1454 Features

* 1. Virtual rear speakers allow reproduction of 3-dimensional sound through only two speakers when a Pro Logic encoded source is input. 2. Also reproduces wide sound for a normal stereo source. 3. 2ch input - 2ch output. 4. Few external parts due to use of the active filter created using Mitsumi's bi