RMEs ADI-4 DD is a highly cost-efficient AES to ADAT and ADAT to AES converter. Support for up to 96 kHz and a built-in jitter suppression are just two of several outstanding features.
The actual states of incoming and outgoing signals and ongoing operations within the unit are displayed by LEDs in an
easily overseeable way.
SyncCheck
SyncCheck
When working with several digital sources it is not only necessary that these
are all properly locked, they also have to be totally synchronized.
Else drop outs and crackling occurs.
RME's exclusive SyncCheck checks all input signals.
In clock mode Master the synchronous operation to the internal clock is checked.
This outstanding and unique technology helps to find errors immediately.
The actual state of each input is displayed in the settings dialog.
®
, already found in other RME products, not only shows if an input signal is locked,
but also if multiple inputs are in synchronicity. Furthermore RMEs
SyncAlign
SyncAlign
SyncAlign includes several methods and techniques to guarantee absolute data alignment
with regard to time and channels. No RME digital audio card will ever swap channels,
not in stereo nor in multi channel mode, regardless what you do with the card and the
signals it gets. SyncAlign also controls the timing among the channels, no matter how
much are used, they will always start sample-aligned.
When the record while play mode is activated, the corresponding software first starts record
and then playback (or playback then record.) SyncAlign can compensate the time difference
so that an exact simultaneous start of record and playback in the record while
play mode is guaranteed. In asynchronous mode (different programs use different
stereo devices of one card) this part of SyncAlign is automatically deactivated.
®
technology prevents accidental errors
of ± 1 sample misalignment between the AES/EBU inputs. The AES output signal can be set to
Professsional or Consumer subcode. Channel 1/2 can optionally be received and output optically (TOSLINK).
RME's SteadyClock(TM)
technology guarantees an excellent performance in all clock modes. Its highly efficient jitter suppression
enables the ADI-4 DD to refresh and clean up any clock signal, and to provide the clock signal as reference
clock at the word clock output. Additionally,
Intelligent Clock Control
Intelligent Clock Control (ICC)
Our unique SyncCheck and AutoSync technology has evolved into the new Intelligent Clock Control
of the Hammerfall DSP system. HDSP is the only digital I/O-system worldwide capable of measuring
and displaying the frequency of all clock sources. Even word clock! Based on validity and current
sample rate the system then decides which clock source should be used - fully automated and
performed in hardware! With this the HDSP system offers the most easiest handling of the present clocks,
although having a lot digital inputs, plus the most advanced support when configuring the clock setup.
(ICC)
will maintain the last sample rate detected as valid in case of fault and loss of input signal.
The device can be stacked without limit, all devices will be sample synchronous by using word clock.
All settings are stored at power-off.
The device basically consists of two converters: four AES-3 inputs to double ADAT outputs, and double ADAT inputs to four AES-3 outputs. The double ADAT ports enable full 8 channel support, from 32 kHz up to 96 kHz (S/MUX). The unit provides one XLR I/O directly. A DB-25 connector allows for a use of industry standard AES-3 I/O breakout cables. Setting an internal connector easily changes the DB-25 connector to meet the pinout of Tascam (Digidesign), Yamaha and Euphonix cables.
Application examples:
Conversion modes (selection):
All in all the ADI-4 DD shows an unsurpassed flexibility together with a sensational price point. It is a perfect interface solution in all areas, from home user up to broadcast applications.
Input AES/EBU: 1 x XLR, 4 x via DB-25 connector, electrically isolated, highly sensitive input stage (< 0.3 Vpp), SPDIF compatible
Output AES/EBU: 1 x XLR, 4 x via DB-25 connector, transformer balanced, 5 Vpp
SPDIF Optical: Second ADAT port can be switched to serve as SPDIF I/O
Input ADAT® optical 2 x TOSLINK, 24-Bit, Bitclock PLL
Output ADAT® optical: 2 x TOSLINK, 24-Bit
Input word clock: BNC, Signal Adaptation Circuit (functional from 1.2 Vpp input signal)
Output word clock: BNC, low-impedance driver stage, 4 Vpp into 75 Ohms, short-circuit-proof
Sync sources: ADAT optical, AES/EBU, word clock
Varipitch: by input signal or word clock
Sample rates: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, variable (Sync/word clock)
Sample rate range: AES, word clock: 27 kHz-105 kHz, ADAT 33 kHz - 57 kHz
Jitter: Internal clock < 1 ns, word clock In < 2 ns, ADAT In < 2 ns
Jitter sensitivity: all PLLs operate even at 100 ns Jitter without problems
Jitter suppression: circa 30 dB (2.4 kHz)
Power Supply: Operates with voltages ranging from 7-30V DC oder AC, allowing operation with practically any power source, including batteries
External high-quality switching power supply included, for worldwide operation at 100-240 Volt
Dimensions: 215 x 44 x 100 mm
BO25MXLR4M4F3: Digital Breakout Multicore, D-Sub to 4 x XLR-F / 4 x XLR-M, 3 m
BO25MXLR4M4F6: Digital Breakout Multicore, D-Sub to 4 x XLR-F / 4 x XLR-M, 6 m
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