RME Audio ADI-642 User manual

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Manual is about: Hi-Precision 24 Bit / 192 kHz MADI - AES/EBU Interface 8-Channel / 64-Channel Format Converter Analog 24 Bit / 192 kHz Stereo Monitor 72 x 74 Matrix Router MIDI embedded in MADI RS232 embedded in MADI

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User's Guide

ADI-642

Multichannel Audio Digital Interface

SyncAlign

SyncCheck

Intelligent Clock Control

SteadyClock

Hi-Precision 24 Bit / 192 kHz

MADI - AES/EBU Interface

8-Channel / 64-Channel Format Converter

Analog 24 Bit / 192 kHz Stereo Monitor

72 x 74 Matrix Router

MIDI embedded in MADI

RS232 embedded in MADI

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Summary of ADI-642

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User's guide adi-642 multichannel audio digital interface syncalign tm synccheck tm intelligent clock control tm steadyclock tm hi-precision 24 bit / 192 khz madi - aes/ebu interface 8-channel / 64-channel format converter analog 24 bit / 192 khz stereo monitor 72 x 74 matrix router midi embedded in...
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2 user's guide adi-642 © rme general 1 introduction ...............................................................6 2 package contents .....................................................6 3 brief description and characteristics.....................6 4 first usage - quick start 4.1 controls and co...
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User's guide adi-642 © rme 3 technical reference 13 technical specifications 13.1 inputs ................................................................... 30 13.2 outputs ................................................................ 30 13.3 midi – rs232 ............................................
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4 user's guide adi-642 © rme important safety instructions attention! Do not open chassis – risk of electric shock the unit has non-isolated live parts inside. No user serviceable parts inside. Refer service to qualified service personnel. Mains • the device must be earthed – never use it without pr...
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6 user's guide adi-642 © rme 1. Introduction with the adi-642 you have an incredibly versatile digital interface to your supply. What at first looks like a simple madi/aes format converter, turns out to be a very flexible tool at a closer look. From small project studios to broadcast and television,...
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User's guide adi-642 © rme 7 4. First usage – quick start 4.1 controls and connectors the front of the adi-642 features nine buttons, one rotary encoder, 38 leds and four seven segment displays, providing all necessary means for a detailed configuration of the unit. Madi input determines the current...
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8 user's guide adi-642 © rme 4.2 quick start configuration starts with choosing the madi input, bnc or optical. The state of the input signal is displayed by 14 leds. Shown are active input, automatic input selection, receiver state, sync, 56 or 64 channel format, 48k frame or 96k frame, and audio d...
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User's guide adi-642 © rme 9 5. Warranty each individual adi-642 undergoes comprehensive quality control and a complete test at imm before shipping. The usage of high grade components should guarantee a long and trouble-free operation of the unit. If you suspect that your product is faulty, please c...
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10 user's guide adi-642 © rme ce / fcc compliance ce this device has been tested and found to comply with the limits of the european council direc- tive on the approximation of the laws of the member states relating to electromagnetic compati- bility according to rl2004/108/eg, and european low volt...
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12 user's guide adi-642 © rme 7. Front panel controls 7.1 madi input the button input sets the input to optical or coaxial. The section input state helps to avoid errors caused by wrong, missing or not correctly connected inputs, and makes handling the digital madi format much easier. A total of 14 ...
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User's guide adi-642 © rme 13 7.4 clock the source and frequency of the unit's clock is configured in the clock section. The button clock lets you step through the options external clock (aes, madi, word) and internal clock (44.1 or 48 khz). The button state sets internal, but also the external samp...
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14 user's guide adi-642 © rme 7.5 remote the button remote is used to select the source of the midi remote control commands, and also the destination for the adi-642's request replies. The standard midi ports or the madi input and output can be chosen. In order to remote control multiple adi-642 tha...
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User's guide adi-642 © rme 15 adc the auto delay compensation realizes an offset compensation when using multiple adi-642 connected serially (see chapter 12). For this, adc is activated at the first unit of the chain, turning the unit into the adc master. The blue led lights up bright. Immediately t...
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16 user's guide adi-642 © rme 7.7 monitor the 192 khz capable stereo monitor output can be used to monitor any of the input channels. Setup is done by selecting output ph in the matrix section. Ph can be assigned to any of the input channels, but always uses the next input channel as well. So when s...
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User's guide adi-642 © rme 17 emphasis aes/ebu and spdif can contain an emphasis information. Audio signals with emphasis have a strong high frequency boost and thus require a high frequency attenuation on playback. An emphasis indication gets lost! This information is neither passed on to the madi ...
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18 user's guide adi-642 © rme 10. Word clock 10.1 word clock input and output steadyclock guarantees an excellent performance in all clock modes. Its highly efficient jitter suppression refreshes and cleans up any clock signal, and provides it as reference clock at the bnc output (see section 14.5)....
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User's guide adi-642 © rme 19 10.2 operation and technical background in the analog domain one can connect any device to another device, synchronization is not necessary. Digital audio is different. It uses a clock, the sample frequency. The signal can only be processed and transmitted when all part...
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20 user's guide adi-642 © rme 10.3 cabling and termination word clock signals are usually distributed in the form of a network, split with bnc t-adapters and terminated with resistors. We recommend using off-the-shelf bnc cables to connect all devices, as this type of cable is used for most computer...
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User's guide adi-642 © rme 21 11. Midi and rs232 11.1 midi transmission madi allows for a transmission of 64 audio channels over long distances with a single line – perfect. But what about midi? Be it remote control commands or sequencer data, in practice only a single madi line will not suffice. Th...
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22 user's guide adi-642 © rme 11.3 remote control software a free remote software for windows and mac os x can be downloaded from the rme website. Midi port within the system to perform remote control and status requests of all adi-642 via a simple mouse click. Most appealing is the combination with...
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User's guide adi-642 © rme 23 options – select device opens a dialog box to select a device id. Choosing 'all', the current device id of the unit is ig- nored. The setting 'all' is not allowed when using more than one adi-642. Options – program device id opens a dialog box to program a device id int...
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24 user's guide adi-642 © rme 12. Application examples 12.1 digital aes/ebu breakout box as madi from/to aes/ebu converter the adi-642 is an ideal breakout box for rme's hdsp madi pci card. In order to convert the 64 channels of the madi card to aes up to eight adi- 642 will be connected in a serial...
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User's guide adi-642 © rme 25 the application breakout box/computer unveils another delay, the so called offset between play- back 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 again...
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User's guide adi-642 © rme 27 12.3 madi to madi converter madi has been used for quite some time now and therefore not all interfaces from different manufacturers are compatible with each other. An ams neve logic dfc e. G. Only accepts the 56 channel input format and when a 64 channel signal is appl...
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28 user's guide adi-642 © rme example 1: a mixing desk sends 48 channels via madi. 8 more channels from a rme oc- tamic-d (8-channel microphone preamp with aes output) shall be recorded by a hdsp madi into a computer. This application requires one adi-642, which has to be inserted into the madi line...
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30 user's guide adi-642 © rme 13. Technical specifications 13.1 inputs madi • coaxial via bnc, 75 ohm, according to aes10-1991 • high-sensitivity input stage ( • optical via fddi duplex sc connector • 62.5/125 and 50/125 compatible • accepts 56 channel and 64 channel mode, and 96k frame • single wir...
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User's guide adi-642 © rme 31 aes/ebu • 4 x xlr, transformer balanced, ground-free, according to aes3-1992 • output voltage professional 4.5 vpp • format professional according to aes3-1992 amendment 4 • format consumer (spdif) according to iec 60958 • single wire: 4 x 2 channels 24 bit, up to 192 k...
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32 user's guide adi-642 © rme 13.5 general • power supply: internal switching psu, 100 - 240 v ac, 20 watt • typical power consumption: 6 watt • dimensions including rack ears (wxhxd): 483 x 44 x 242 mm (19" x 1.73" x 9.5") • dimensions without rack ears/handles (wxhxd): 436 x 44 x 235 mm (17.2" x 1...
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User's guide adi-642 © rme 33 14. Technical background 14.1 terminology single speed sample rate range originally used in digital audio. Typical applications are 32 khz (digital radio broadcast), 44.1 khz (cd), and 48 khz (dat). Double speed doubles the original sample rate range, in order to achiev...
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34 user's guide adi-642 © rme 14.2 lock, synccheck and syncalign digital signals consist of a carrier and the data. If a digital signal is applied to an input, the re- ceiver has to synchronize to the carrier clock in order to read the data correctly. To achieve this, the receiver uses a pll (phase ...
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User's guide adi-642 © rme 35 14.3 aes/ebu - spdif the most important electrical properties of 'aes' and 'spdif' can be seen in the table below. Aes/ebu is the professional balanced connection using xlr plugs. The standard is being set by the audio engineering society based on the aes3-1992. For the...
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36 user's guide adi-642 © rme 14.4 madi basics madi, the serial multichannel audio digital interface, has been defined already in 1989 as an extension of the existing aes3 standard following several manufacturers' wish. The format also known as aes/ebu, a balanced bi-phase signal, is limited to two ...
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User's guide adi-642 © rme 37 14.5 steadyclock the steadyclock technology of the adi-642 guarantees an excellent performance in all clock modes. Its highly efficient jitter suppression refreshes and cleans up any clock signal, and pro- vides it as reference clock at the word clock output. Usually a ...
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User's guide adi-642 © rme 39 16. Midi implementation chart adi-642 16.1 basic sysex format value name f0h sysex header 00h 20h 0dh miditemp manufacturer id 62h model id (adi-642) 00h..7eh, 7fh device id. 7fh = broadcast (all ids) mm message type nn parameter number (see table 1) oo data byte f7h eo...
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40 user's guide adi-642 © rme 16.4 table no. No. Name set value value resp. Data bytes 00h 0 madi output channel 1 x x madi input channel 1..64: 00h..3fh, 01h 1 madi output channel 2 x x aes input channel 1..8: 40h..47h, 02h 2 x x mute: 48h 03h 3 x x (dto.) 04h 4 x x (dto.) 05h 5 x x (dto.) 06h 6 x ...
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User's guide adi-642 © rme 41 30h 48 x x (dto.) 31h 49 x x (dto.) 32h 50 x x (dto.) 33h 51 x x (dto.) 34h 52 x x (dto.) 35h 53 x x (dto.) 36h 54 x x (dto.) 37h 55 x x (dto.) 38h 56 x x (dto.) 39h 57 x x (dto.) 3ah 58 x x (dto.) 3bh 59 x x (dto.) 3ch 60 x x (dto.) 3dh 61 x x (dto.) 3eh 62 x x (dto.) ...
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42 user's guide adi-642 © rme 50h 80 settings byte 1 msb / 7 0 6 madi input: 0 = bnc, 1 = opt 5 0 4 madi frame: 0 = 48k, 1 = 96k 3 madi format: 0 = 56ch, 1 = 64ch 2 msb / 2 clock select: 0 = int 44.1, 1 = int 48, 2 = aes, 1 1 clock select: 3 = madi, 4 = wck lsb / 0 lsb / 0 clock select 51h 81 settin...