D950 Digital Mixing System
1-8 Introduction SW V3.3 Date printed: 03.09.03
Motion Controller offering three serial control ports, and PEC/DIRECT
paddles for film-style control of recorder and playback/bus switching.
Flexible Digital Routing System The D950’s comprehensive digital routing system eliminates the need for a
system patch bay, since all sources and destinations – including insert
send/return points – are accessible from the GC software. Patches can be
stored as part of a snapshot.
Multichannel Panning Capabilities The D950S offers a comprehensive package of panning options including
stereo, LCR, LCRS, 5.1, and 7.1. There is also a panning mode for con-
trolling a matrixed surround center channel (for use in surround produc-
tions). Multichannel panning controls include divergence, LFE send, and
an unique center channel percentage control which allows phantom center
channel information from the left and right channels to be directed to the
center speaker.
The D950S’ Virtual Surround Panning provides three-dimensional audio
source positioning via a library of software panning functions that enables
the operator to place sound sources in virtual 3-dimensional environments.
Listener positions are calculated within the DSP Core utilizing a series of
Studer-developed algorithms. In addition to the familiar amplitude- or in-
tensity-panning functions – such as LCR, front/back, LsRs, divergence,
etc. – the operator can utilize frequency-dependent panning filters and de-
lay-based effects. In this way, it is possible to position a source in a sur-
round mix as though it had been recorded within a three-dimensional envi-
ronment, complete with sound reflections from distant walls and surfaces.
Virtual Surround Panning enables an adjustable number of discrete echoes
to be produced and routed as non-correlated, diffuse signals to the sur-
round channels. Echoes are modified using assignable Ambiance, Source
Distance and Room Size controls, allowing the natural reproduction of
audio sources from various distances and positions within a “virtual”
room, without the need to revert to external processors. A number of spe-
cial dynamic effects, such as the gradual disappearance of a close sound
into the diffuse room, can also be achieved by accentuating its spatial
components. Even a simulated Doppler Effect is available.
Multichannel panners with head related transfer functions (HRTF) are also
available.
Multiformat Monitoring Unit and Machine Control
The D950’s central Multiformat Monitoring Unit (MMU) provides moni-
tor-format selection with display of loudspeaker designations; pre/post de-
coder monitoring; monitor-to-meter switching; and – dependent upon the
format selected – a readout of the names of loudspeaker channels. The
MMU supports two multichannel and one stereo speaker system, and each
loudspeaker output can be soloed or muted individually. For film-style
mixes, loudspeaker outputs can be accurately calibrated. A Dynamic Stem
function allows stems to be reconfigured as different sound sources are
processed. There are no restrictions on the number of stems, their width or
name, aside from an upper bound limit of 96 simultaneously available rec-
ord busses.
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