Silent way smux, Introduction, In use – Expert Sleepers Silent Way v1.7.3 User Manual

Page 57

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Silent Way SMUX

Introduction

Silent Way SMUX provides a hack to workaround the reduction in channel count over
ADAT connections when running the audio system at 88.1/96kHz.

When using an audio interface to produce your CVs that is connected via ADAT (for ex-
ample, the Expert Sleepers

ES-3 Lightpipe/CV Interface

), and when the audio system is

being run at a ‘double speed’ rate (typically 96kHz), the number of audio channels that
can be sent down the ADAT connection is reduced from the usual 8 down to 4. The 4
double-speed channels are multiplexed onto the 8 ADAT channels - this system is usually
referred to as ‘S/MUX’, or sample multiplexing.

The Silent Way SMUX plug-in gets around this reduction in channel count by providing a
complementary multiplexing scheme, which takes 4 channels of CVs and combines them
onto 2 channels of the double-speed audio stream. When the ADAT output is then de-
coded by a normal-speed interface (such as the ES-3 mentioned above), the channels are
demultiplexed, and so you get your 4 channels of CV back again.

In Use

The plug-in provides 4 inputs (2 stereo busses) and 2 outputs (1 stereo bus). Simply load
the plug-in on a stereo channel in your DAW and route the 4 CVs to be multiplexed into
the plug-ins inputs. Quite how you do this depends on your DAW. For example, in Able-
ton Live this can be accomplished by setting the output of a CV-generating track to point
to the plug-ins inputs. In Logic, you would use a side-chain.

The plug-in only has two controls - ‘Flip L’ and ‘Flip R’. These flip the order of multiplex-
ing of the channels onto the output stream. Unfortunately it is quite random in what order
the channels will go out - the plug-in does not have enough information from the host to

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