Audibax M88 DSP Dante handleiding

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Handleiding

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AutoMixer
In a conference room, if several microphones are opened to the same gain level and there
is only one person speaking, the microphone effect may be not clear. Other microphones
will pick up noise and reverb in the room. When these signals are mixed with normal
microphone signals, audio output quality will be greatly reduced and the whole
amplifying system will easily get squealing, which will result in sound transmission gain.
To solve the issue, other unused microphones shall be closed. Automixer may close them
at a higher speed than manual operation.
There is a built-in gain share automixer inside the processor. It supports up to 32-channel
audio signal output. There is a direct output at each channel of auto mixing matrix, which
is only influenced by channel mute instead of auto gain and channel fader. Channels
suitable for fixed volume like the channel of background music need to keep at a fixed
level without being controlled by automix. For example, it shall keep microphone at
normal open. Meanwhile, its gain will not be influenced by automix. At this point, users
may directly adjust the output of the channel in output matrix route as well as turn off
automix button of the channel. Its gain will not be adjusted and gains at other channels
will not be influenced by the signal level at the channel.
There are two groups of control parameters in automix module: main control parameters
and channel control parameters.
(1) Main control parameters
Gain: adjustment in dB (-72 to +12dB) automix
Slope: The slope control influences the attenuation of lower level. If the slope is higher, the
attenuation of lower level channel will rise. The slope control and the ratio control at the
expander have the same working mode. It is suggested that the value be set at or around
2.0. if it is set at 1.0, the effect equals to closing automix at all channels. if it is set at 3.0, the
action will result in larger gain adjustment, which may bring unnatural effect. The bigger
the value, the more the channel is opened and the more the total attenuation. When the
slope is set at 2.0, ideal gain share may be realized, so it is the preferred value in use.
Response Time: Faster response time may ensure head letters of speeches not be cut off.
Slower response time allows smooth operation. Practices show that the best effect will be
produced when response time is between 100ms and 1000ms. The design of auto gains
aims to faster microphones turning on than turning off. Therefore, head letters of
speeches will not be cut off even the response time is 100ms. If it is set at several seconds,
then there will be a longer hold time of the response time of automixer, previous active
channel will be saved at open status in several seconds.
M88 DSP / M88 DSP Dante
www.audibax.com 24
Click the bottom button to open or close automix.

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Productinformatie

MerkAudibax
ModelM88 DSP Dante
CategorieNiet gecategoriseerd
TaalNederlands
Grootte13294 MB