E-Mu PROTEUS FX Manual do Utilizador descarregar pdf (Página 20)

1 - Introduction & Installation

Audio Preferences

20 Proteus VX Operation Manual

Headroom/Boost

Headroom is the amount of dynamic range remaining before clipping occurs.

The amount of headroom is adjustable from 12 dB to -30 dB in 1 dB increments.

A headroom setting of 12dB provides the hottest output level, (and the highest signal

to noise ratio) but may produce “clipping” if too many notes are played at once. The

default headroom setting is -7 dB, which maintains an excellent signal to noise ratio

while keeping a reasonable amount of headroom in reserve. If you hear the signal

clipping or breaking up, decrease the headroom value. In practice, you can think of

this control as adjusting the control range of the Master Volume control.

Ultra-High Precision Interpolation Button

 Note: The “Audio

Type” and “ASIO Control

Panel” parameters cannot

be edited in Proteus VX.

They will always appear

“greyed-out”.

This button allows you to select between E-MU’s ultra-high precision pitch shifting

algorithm or a lower quality pitch shifting scheme which uses fewer CPU resources.

If you are using presets with a sample placed on every key, as is the case on many

banks, you can switch high precision off to free up CPU with no penalty in audio

quality. No pitch shifting is occurring anyway. High quality pitch interpolation is only

needed when you are playing presets which have a few samples mapped across the

entire keyboard. In this case, the Proteus VX shifts the pitch of the available samples to

fill in the keyboard.

VST Output Buses

This setting allows you to add additional VST buses (stereo pairs). Proteus VX channel

outputs can be assigned to VST buses in the Multisetup, Output field. These outputs are

sent to the VST Mixer in your recording application. You must restart the VSTi for the

changes to take effect.

Unlike some VSTi’s, Proteus VX is multitimbral, able to play up to 16 MIDI channels at

once. It’s far more CPU-efficient to have multiple MIDI channels playing on one

instance of Proteus, rather than have multiple VSTi’s running. Using VST Output buses,

you can route each MIDI channel to a separate bus in Cubase.

MIDI

This group of preferences allows you to set up the MIDI inputs, adjust the master MIDI

volume and velocity curves.

 Note: The

“Intelliedit” feature is not

applicable to Proteus VX.

The field will always

appear “greyed-out”.

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