Technical data
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INTRODUCTION
Thank you for purchasing a SMART MERGE, 8-Channel Digital Line Mixer,
from MUTEC.
Features
8-channel digital line mixer and routing matrix
Mixes 4 digital stereo signals to one output
32Bit floating-point processing
Works also as multiple sampling rate and format converter
Synchronizable to various clock sources
Problem-free integration into digital environments
Functional description
SMART MERGE is ideal suitable for realtime-mixing of up to 4
asynchronous digital AES/EBU and S/PDIF stereo signals. The resulting
signal is avilable as 24Bits AES/EBU format and can be synchronized to
Word Clock- or Word Clock x 256- (= Super Clock for ProTools
TM
). Thus a
fast and simply integration in professional studios is possible. If no Word
Clock is available, the reference can be extracted from the digital inputs.
Unique to the SMART MERGE is to process highest digital input levels
without any manual leveling! The powerful 32bits-floating-point
processing offers loss-free mixing without pre- attenuation of the input
signals to secure the highest sound quality, whereas the output signal is
automatically limited to a max. level of 0.5dBFs.
This offers to the user a totally uncomplicated way of digital mixing
without wasting time for level observing.
The built-in routing matrix enables easy monitoring of the input
channels without affecting the mix signal. Also every input can be routed
separately to the digital master output, e.g. for monitoring on the main
speackers or patching digital sources to one input of a mixing desk.
Functional principle
The Dynamic Auto Leveling (DAL) process, developed by MUTEC for the
SMART MERGE, contains a high-quality, fully digital limiter algorithm,
which is based on a 32Bit floating-point process. This is controlled
automatically according to the input level, which means that the
incoming signals do not necessarily go through the DAL process! The
DAL Limiter is dynamically activated as soon as the output signal reaches
a certain threshold, which effectively prevents an abrupt drop in the
output level. A by-product of this is that the sum of the relationships
between various input signal levels is maintained. This means that low
input levels are also reproduced at the same level.
Moreover, due to the high arithmetic performance of the 32Bit floating-
point processor used, input signals can be processed for the first time
without any pre-attenuation! This avoids any losses at the takeover points
of the incoming signals, thus significantly increasing the sound quality of
the output signal in comparison to conventional processes.
Applications
Expanding the effect returns and input channels of digital mixers.
Plug-free monitoring of different sources on one mixer input channel.
Multichannel sampling rate & format conversion.
Makes handling of asynchronous digital sources less complicated.
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