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RME ADI-4 DD [10/26] The adat to aes ebu converter
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10
User's Guide ADI-4 DD © RME
7. The ADAT to AES/EBU Converter
7.1 General
This functional unit is an 8-channel format converter from ADAT to AES/EBU.
Because the Double Wire and Sample Split (S/MUX) formats don't contain a coding, the ADI-4
DD cannot distinguish them from normal (44.1/48 kHz) material. Whether the AES/EBU outputs
are supposed to work in Single (44.1/48 kHz) or Double Speed (88.2/96 kHz) has to be set ex-
plicitly by the user. This happens in the section DS MODE by activating AES.
Complete status displays (Lock, SyncCheck, Level) help to avoid wrong configuration and
wrong clock setup.
7.2 Inputs
The ADI-4 DD provides two digital inputs in ADAT optical format. In normal operation only the
input labelled IN 1 is used. When using more than the first 4 channels at activated DS (Double
Speed), the input IN 2 also has to be used.
The input data is passed on to the four AES/EBU (stereo) outputs in logical order:
ADAT 1 2 3 4 5 6 7 8
AES/EBU 1L 1R 2L 2R 3L 3R 4L 4R
If the input data is encoded with Sample Split (S/MUX), the AES output has to be set to DS
mode manually. Every input contains the information of only 4 channels, for full 8 channels IN 1
and IN 2 have to be used. 16 input channels 44.1/48 kHz are being converted to 8 output chan-
nels 88.2/96 kHz. The channels are being distributed in the following manner:
ADAT
IN 1+IN 2
1/2
IN 1
3/4
IN 1
5/6
IN 1
7/8
IN 1
1/2
IN 2
3/4
IN 2
5/6
IN 2
7/8
IN 2
AES/EBU 1L 1R 2L 2R 3L 3R 4L 4R
The ADAT optical inputs of the ADI-4 DD 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.
IN 1
Interface for the first or only device sending an ADAT signal to the ADI-4 DD. Carries the chan-
nels 1 to 8. When receiving a Double Speed signal, this input carries the channels 1 to 4.
IN 2
Interface for the second device sending a Double Speed signal to the ADI-4 DD. Carries the
channels 5 to 8.
Содержание
- Adi 4 dd 1
- Hi precision 24 bit 96 khz aes adat dual format converter 8 channels ada 1
- Intelligent clock contro 1
- Optical from to aes ebu interface 1
- Steadycloc 1
- Syncalig 1
- Syncchec 1
- User s guide 1
- Contents 2
- Brief description and characteristics 3
- Introduction 3
- Package contents 3
- Inputs 4
- Technical specifications 4
- Outputs 5
- First usage 6
- Quick start 6
- Operation 7
- General 8
- Inputs 8
- The aes to adat converter 8
- Input state display 9
- Outputs adat optical 9
- General 10
- Inputs 10
- The adat to aes ebu converter 10
- Input state display 11
- Outputs aes ebu 11
- Double wire conversion 12
- Clock configuration 13
- Clock section 13
- Lock synccheck and syncalign 13
- Word clock input and output 14
- Operation and technical background 15
- Word clock 15
- Cabling and termination 16
- 2 channel aes to 8 channel adat splitter 96 khz 17
- 2 channel aes to 8 channel aes splitter 96 khz 17
- 4 channel aes double wire to aes single wire converter 96 khz 17
- 8 channel aes to 2 x adat splitter 48 khz 17
- 8 channel aes to adat converter 96 khz 17
- Conversion modes and notes 17
- 4 channel aes single wire to aes double wire converter 96 khz 18
- 8 channel adat to 2 x adat splitter 48 khz 18
- 8 channel adat to aes converter 96 khz 18
- Ds double speed 19
- Technical background 19
- Aes ebu spdif 20
- Controls and connectors 21
- Rear rear 21
- Connector pinouts 22
- Aes ebu 23
- Block diagram 24
- Appendix 25
- Warranty 25
- Iso 9001 26
- Note on disposal 26
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