Microphone Interface for Solution-D/KM-D Digital Microphones
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Lebih Lengkap Mengenai Microphone Interface for Solution-D/KM-D Digital Microphones
The DMI-8 from Neumann is an AES 42
interface for use with Neumann Solution-D and KM-D series digital
microphones. The unit converts the AES 42 data format supplied by the
microphone into an AES/EBU signal. The 8-channel interface also
establishes remote operation over the microphones from a laptop or
desktop PC using RCS remote control software.
The interface is
used whenever these digital microphones are connected with equipment
that does not support the AES 42 standard. Remote operation and control
include phantom power and polar pattern switching, etc. The computer is
connected to the interface via a USB port and a USB to RS 485 interface
converter. Wordclock inputs and outputs are featured, along with a
built-in Wordclock generator in cases where no master clock sync is
present.
Equipment that supports the AES 42 standard can process
the output signals of Solution-D microphones directly. In all other
cases, the DMI-2 portable or DMI-8 digital microphone interface is used.
The DMIs convert the AES 42 data format supplied by the microphone into
an AES/EBU signal.
The Interface is operated and the microphone
parameters are controlled via the Neumann RCS remote control software,
which is installed on a desktop or laptop computer. The computer is
connected to the DMI via a USB port and a USB to RS 485 interface
converter. If a large number of microphones is used, several DMI-8's can
be cascaded. In this case, each digital microphone interface can be
addressed individually.
In addition to a word clock input and
output, the DMIs also have an internal word clock generator. If no
master word clock signal (e.g. from a mixing console) is present at the
input, the DMI internal word clock is used automatically to synchronize
the microphone channels, and the signal is switched to the word clock
output. External commands such as "On Air" (red light) can be controlled
via a 9-pin user port.
Features:
-Sampling Rate 44.1, 48, 88.2, 96, 176.4 and 192kHz
-Inputs 8
x XLR3F AES 42, audio data in accordance with AES/EBU (AES3) data
format, digital phantom power (DPP) Remote control data
-1 x BNC Wordclock (75Ω)
-Outputs 2 x 25-pin D-SUB, AES/EBU (AES3) data format, Yamaha and Tascam pinout,
-1 x TOSLink ADAT up to 48kHz,
-1 x RJ 45, GN format up to 192kHz, including power-out pin: approximately +15VDC, maximum 1A, short-circuit proof
-1 x BNC Wordclock (75Ω)
-Phantom Power +10V, maximum 250mA per channel, short-circuit proof
Wordclock Internal Generator: 44.1, 48, 88.2, 96, 176.4 and 192kHz, +/-25ppm accuracy
-Alarm
Volume Pulses (+2V), superimposed on the phantom power, approximately
750 bits/sec or 9,600 bits/sec (depending on the microphone)
-Synchronization Microphone: AES42 - Mode 2 (synchronous mode) microphone clock control via PLL
-DMI-8:
Automatically to an external word clock or AES11 signal, if present,
otherwise the internal word clock generator is activated
-Indicators Power
-Ext Wordclock
-Valid
-Level (microphone)
-Control Elements: 8 x Channel Select, GAIN +/-
-Bus:
2 x RJ 45 ports; connection to computer USB port via the Neumann USB
485 interface converter; connected in parallel for the purpose of
cascading. RS 485 with additional power-out pin (approximately +11.3V,
maximum 500mA)
-Device Address (ID) 0 to 15, adjustable via coding switch on the back of device
-User Port 9-pin sub-D, 1 switch function per channel (Mute and/or Light 1/Light 2 selectable)
-Operation Range Operating Temperature: 32°F to 113°F (0°C to 45°C)
-Storage Temperature: -60°F to +158°F (-20°C to +70°C)
-Relative Humidity: Maximum 90% @ +68°F (+20°C)
-Power 90~240V, 50/60Hz
