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Related Manuals for RME Audio ADI-8 DS
Summary of Contents for RME Audio ADI-8 DS
- Page 1 User’s Guide ADI-8 DS A true Industry Standard SyncAlign SyncCheck Intelligent Clock Control Hi-Precision 24 Bit / 96 kHz 8 Channel AD / DA-Converter ® ® ADAT optical / TDIF -1 Interface Digital 24 Bit Interface / Format Converter TDIF-1 24 Bit Interface...
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Page 2: Important Safety Instructions
When mounting in a rack, leave some space between this device and others for ventilation. Unauthorized servicing/repair voids warranty. Only use accessories specified by the manufacturer. Read the manual completely. It includes all information necessary to use and operate this device. User's Guide ADI-8 DS © RME... -
Page 3: Table Of Contents
Combine............... 15 Copy Mode............16 Dither ..............17 DS - Double Speed..........18 Noise level in DS mode ........18 Controls and Connectors........19 Connector Pinouts..........20 Block Diagram............21 Warranty..............22 Appendix..............22 User's Guide ADI-8 DS © RME... -
Page 4: Introduction
The digital inputs and outputs are available as ADAT optical and TDIF-1 connectors. To maintain the full dynamic range within the best operating level RME's ADI-8 DS includes electronic switches of the newest technology, which introduce no additional noise or distortion to the audio path. -
Page 5: Technical Specifications
• Bit Split: 24 bit to 1 channel 16 bit and 1 channel 8 bit • Sample Split: 96 kHz to 2 channels of 48 kHz • Copy Mode: Direct 24 bit copying from ADAT to ADAT/TDIF and vice versa • Dither: 1 LSB TPDF switchable User's Guide ADI-8 DS © RME... -
Page 6: First Usage - Quick Start
OUTPUT LEVEL. The ADI-8 DS stores all current settings and automatically activates them when the device is turned on. Transferring digital data into a computer is best done using RME's interface systems, like the ® Hammerfall DSP and Fireface series. -
Page 7: Inputs And Outputs Analog Inputs
One of the main issues when working with an AD-converter is to maintain the full dynamic range within the best operating level. Because of this RME's ADI-8 DS includes electronic swit- ches of the newest technology, which introduce no additional noise or distortion to the audio path. -
Page 8: Analog Outputs
-10 dBV is able to send and receive much higher levels. Hi Gain results in maximum level for professional users who prefer to work bal- anced and at highest levels. User's Guide ADI-8 DS © RME... -
Page 9: Digital Inputs
The ADAT optical inputs of the ADI-8 DS are fully compatible with all ADAT optical outputs. RME's unsurpassed Bitclock PLL prevents clicks and drop outs even in extreme varipitch op- eration, and guarantees a fast and low jitter lock to the digital input signal. A usual TOSLINK cable is sufficient for connection. -
Page 10: Digital Outputs
The TDIF interface and the DA-converters of the ADI-8 DS support Emphasis. Please note that an Emphasis indication will not be stored or processed on the sound when doing digital trans- fers between TDIF and ADAT, because the ADAT standard does not include Emphasis. User's Guide ADI-8 DS © RME... -
Page 11: Word Clock Input And Output
7, Clock Section). As soon as a valid signal is detected, the EXT LED is constantly lit, otherwise it is flashing slowly. 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. -
Page 12: Clock Section
In clock mode D/A INTERNAL the clock choices EXTERNAL and INPUT of the AD-section do not make sense, as the clock at the digital output has to be synchronous to the internal clock. Therefore A/D INTERNAL is automatically activated and cannot be changed. User's Guide ADI-8 DS © RME... -
Page 13: Word Clock
Many other devices use a much coarser word clock PLL to track the ADAT input. When changing the sample rate (speed) fast, some bits are already sampled inval- idly before the frequency is corrected. Drop outs and crackling will be the audible result. User's Guide ADI-8 DS © RME... -
Page 14: Cabling And Termination
Connect the free end to the next device in the chain via a further BNC cable. The last device in the chain should be terminated using another T-adapter and a 75 Ohm resistor (available as short BNC plug). Of course devices with internal termination do not need T-adaptor and termi- nator plug. User's Guide ADI-8 DS © RME... -
Page 15: Special Functions Bit Split
LED begins to flash (lock state). When the data received is synchronous to the data at the input MAIN the LED will stay lit (lock+sync state). This securely indicates and prevents audio errors in COMBINE mode. User's Guide ADI-8 DS © RME... -
Page 16: Copy Mode
The TDIF interface and the DA-converters of the ADI-8 DS support Emphasis. Please note that an Emphasis indication will not be stored or processed on the sound when doing digital trans- fers between TDIF and ADAT, because the ADAT standard does not include Emphasis. User's Guide ADI-8 DS © RME... -
Page 17: Dither
Please note that Dither is most helpful at the end of the recording chain, at mastering down to 2 tracks and 16 bit. User's Guide ADI-8 DS © RME... -
Page 18: Ds - Double Speed
96 kHz at halved track numbers with every (!) DTRS device. Note: The ideal combination is an ADI-8 DS together with the digital I/O card RME HDSP 9652. This allows to simultaneously record and playback 8 tracks at 24 bit/96 kHz, using PC or Mac. -
Page 19: Controls And Connectors
Hi Gain, +4 dBu, -10 dBV Rear Word Clock Word Clock Digital Outputs Digital Inputs ADAT TDIF TDIF ADAT Line Outputs Line Inputs Line Inputs Power Line Outputs D-sub D-sub ¼" TRS ¼" TRS User's Guide ADI-8 DS © RME... -
Page 20: Connector Pinouts
Ring = – (cold) The servo balanced input and output circuitry allows to use monaural TS jacks (unbalanced) with no loss in level. This is the same as when using a TRS-jack with ring connected to ground. User's Guide ADI-8 DS © RME... -
Page 21: Block Diagram
12. Block Diagram User's Guide ADI-8 DS © RME... -
Page 22: Warranty
All entries in this User’s Guide have been thoroughly checked for errors, however no guarantee for correctness can be given. RME cannot be held responsible for any misleading or incorrect information provided throughout this manual. Lending or copying any part or the complete man- ual or its contents as well as the software belonging to it is only possible with the written per- mission from RME. - Page 23 For this the device has to be sent free to the door to: IMM Elektronik GmbH Leipziger Straße 32 D-09648 Mittweida Germany Shipments not prepaid will be rejected and returned on the original sender's costs. User's Guide ADI-8 DS © RME...