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The unique Intelligent Clock Control (ICC) allows for a flexible use with internal clock (44.1 up to 192 kHz), external word clock or the digital input signals. These options are intelligently coupled in a way typical for RME, and easy to apply thanks to a clear and easily understandable display of the Lock and Sync states.
Speed. The big LED display, AES INPUT STATE, shows the presence of a valid input signal separately for each AES input. RME's exclusive SyncCheck indicates via flashing LEDs if one of these inputs is locked, but not synchronous to the chosen clock reference.
5. Accessories RME offers several optional components for the ADI-6432: Digital Breakout Cables, one side 25-pin D-sub, the other side split to 4 x XLR male + 4 x XLR female. For addressing all 32 AES I/Os eight cables are required.
All entries in this User’s Guide have been thoroughly checked, however no guarantee for cor- rectness can be given. RME cannot be held responsible for any misleading or incorrect informa- tion provided throughout this manual. Lending or copying any part or the complete manual or its contents as well as the software belonging to it is only possible with the written permission from RME.
As soon as a valid signal is detected, the WCK LED is constantly lit, otherwise it is flashing. Thanks to RME's Signal Adaptation Circuit, the word clock input still works correctly even with heavily mis-shaped, dc-prone, too small or overshoot-prone signals. Thanks to automatic signal centering, 300 mV (0.3V) input level is sufficient in principle.
Technically every single MADI channel includes several additional bits, containing various in- formation (Channel Status). RME use the usually unused User Bit of channel 56 (channel 28 in 96k frame mode), to transmit MIDI data invisibly within MADI, ensuring full compatibility.
12.3 Remote Control Software A free remote software for Windows and Mac OS X can be downloaded from the RME website. It can use any existing MIDI port within the system to perform remote control and status re- quests of any number of supported RME units via a simple mouse click. Most appealing is the combination with a HDSP(e) MADI, offering a direct control of the ADI-6432 via MADI.
68 µs. 13.2 Digital AES/EBU Breakout Box As MADI from/to AES/EBU converter the ADI-6432 is an ideal breakout box for RME's HDSP MADI PCI card. The application breakout box/computer unveils a delay, the so called offset between playback and recording. If a signal is played back from the MADI PCI, and recorded again via MADI by performing an AES loopback, the record track will show a specific delay against the playback track.
MADI data stream. Example: A mixing desk sends 48 channels via MADI. 16 more channels from two RME Oc- taMic-D (8-channel microphone preamp with AES outputs) shall be recorded by a HDSP MADI into a computer.
Latest circuit designs like hi-speed digital synthesizer, digital PLL, 100 MHz sample rate and analog filtering allow RME to realize a completely newly developed clock technology, right within the FPGA at lowest costs. The clock's performance exceeds even professional expectations.