Rancent Tech RG59 Guide de l'utilisateur Page 20
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
20
User’s Guide ADI-8 DS © RME
10. Digital Inputs / Outputs
10.1 AES/EBU
The four AES/EBU inputs and outputs are provided on the rear of the ADI-8 DS via a 25-pin D-
sub connector with Tascam pinout (pinout see chapter 12.5). A digital breakout cable will pro-
vide 4 male and 4 female XLR connectors. Every input and output is transformer-balanced and
galvanically isolated.
The inputs can be used in any combination, e. g. it is sufficient to connect an input signal only to
input 3. In slave mode, this input is automatically being used as clock source. If more than one
signal is present, the one furthest left is being used as clock source, i. e. the active input with
the lowest number. Channel Status and Copy bit are ignored.
In standard operation the AES outputs carry the converted analog input signal. When activating
Patch Mode the currently chosen digital input data is present at the outputs instead, see chapter
8.4.
The ADI-8 DS supports Single Wire only, in the range of 32 kHz up to 192 kHz: a total of 8
channels, 2 channels per AES wire. The effective sample frequency equals the clock on the
AES wire. In case a conversion from/to Single, Double and Quad Wire is required, the RME
ADI-192 DD, an 8-channel universal sample rate and format converter, is highly recommended.
Besides the audio data, digital signals in SPDIF or AES/EBU format contain a channel status
coding, which is being used for transmitting further information. The output signal coding of the
ADI-8 DS has been implemented according to AES3-1992 Amendment 4:
• 32 kHz, 44.1 kHz, 48 kHz, 64 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz according to the
current sample rate
• Audio use
• No Copyright, Copy permitted
• Format Professional
• Category General, Generation not indicated
• 2-Channel, No Emphasis
• Aux bits audio use, 24 bit
• Origin: RME
Emphasis
AES/EBU and SPDIF can contain Emphasis information. Audio signals with Emphasis have a
strong high frequency boost and thus require high frequency attenuation on playback.
An Emphasis indication gets lost! This information is neither passed on to the ADAT output,
nor to any of the AES outputs!
Connecting devices with coaxial SPDIF
ports to the ADI-8 DS inputs is accom-
plished by simple cable adapters
XLR/RCA. To achieve this, pins 2 and 3 of
an XLR plug are being connected to the
two contacts of a Phono/RCA plug. The
ground shield of the cable is only con-
nected to pin 1 of the XLR plug.
The same is true for the outputs, but a male XLR connector is used then. Note that most con-
sumer HiFi equipment with phono SPDIF inputs will only accept signals with Channel Status
‘Consumer’! In such cases the above adapter cable will not work.
- ADI-8 DS Mk III 1
- General 2
- Usage and Operation 2
- Inputs and Outputs 2
- Technical Reference 2
- 1. Introduction 6
- 2. Package Contents 6
- 4. First Usage – Quick Start 7
- 4.2 Quick Start Operation 8
- 5. Accessories 9
- 6. Warranty 10
- 7. Appendix 10
- CE / FCC Compliance 11
- Note on Disposal 11
- ADI-8 DS 13
- 8. Front Panel Controls 14
- 8.5 Clock Section 15
- 8.7 D/A State - Meters 16
- 8.8 D/A Reference 16
- 8.6 D/A Input 16
- 9. Analog Inputs / Outputs 18
- 9.2 Line Out 19
- 10. Digital Inputs / Outputs 20
- 10.2 ADAT Optical 21
- 11. Word Clock 22
- User’s Guide ADI-8 DS © RME 23
- 12. Technical Specifications 26
- 12.2 Digital Inputs 27
- 12.3 Digital Outputs 28
- 12.4 Digital 28
- 12.5 Connector Pinouts 29
- D-Sub AES/EBU 29
- 13. Technical Background 31
- 13.2 Lock and SyncCheck 32
- 13.3 Latency and Monitoring 33
- 13.4 DS - Double Speed 34
- 13.5 QS – Quad Speed 34
- 13.6 AES/EBU - SPDIF 35
- 13.8 SteadyClock 37
- 14. Block Diagram 38
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