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RME OCTAMIC XTC [30/62] Digital inputs and outputs
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User’s Guide OctaMic XTC © RME
13. Digital Inputs and Outputs
13.1 AES/EBU
The four AES/EBU inputs and outputs are provided on the rear of the OctaMic XTC via a 25 pin
D-sub connector with Tascam pinout. A digital breakout cable will provide 4 male and 4 female
XLR connectors. Every input and output is transformer-balanced, ground-free and compatible to
all devices with AES/EBU ports.
In normal operation the AES outputs carry the converted analog input signal. Via the menu Digi-
tal Routing also ADAT, USB, MADI and even AES can be chosen as source.
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
OctaMic XTC 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: HDSP
Connecting devices with coaxial SPDIF
ports to the OctaMic XTC outputs is ac-
complished 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 connected to pin
1 of the XLR plug.
Note that most consumer HiFi equipment with phono (SPDIF) inputs will only accept signals
with Channel Status ‘Consumer’! In such cases the above adapter cable will not work.
The OctaMic XTC 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.
Pinout of the D-sub connector, Outputs
Signal Out
1/2+
Out
1/2-
Out
3/4+
Out
3/4-
Out
5/6+
Out
5/6-
Out
7/8+
Out
7/8-
D-Sub 18 6 4 17 15 3 1 14
GND is connected to pins 2, 5, 8, 11, 16, 19, 22, 25. Pin 13 is not connected.
Содержание
- Autose 1
- Octamic xtc 1
- Professional mic line instrument preamp 8 channel microphone line ad converter 4 channel line phones da converter 8 channel analog to aes adat interface 64 channel madi interface adat aes madi format converter 24 bit 192 khz digital audio midi remote control usb 2 class compliant operation 1
- Quickgai 1
- Steadycloc 1
- User s guide 1
- General 2
- Inputs and outputs 2
- Usage and operation 2
- Class compliant mode 3
- Technical reference 3
- Important safety instructions 4
- General 5
- Octamic xtc 5
- User s guide 5
- Brief description and characteristics 6
- Introduction 6
- Package contents 6
- Controls connectors displays 7
- First usage quick start 7
- Accessories 9
- Quick start 9
- Appendix 10
- Warranty 10
- Ce fcc compliance 11
- Iso 9001 11
- Note on disposal 11
- Octamic xtc 13
- Usage and operation 13
- User s guide 13
- Encoders 14
- Front panel controls 14
- Select keys 14
- Menu keys 15
- Channel menu 16
- Setup menu 18
- Clock section 21
- Phantom power 22
- The input channel in detail 22
- Autoset 23
- Instrument 23
- Delay compensation 24
- Using multiple units with madi 24
- Compensation id 25
- Control via totalmix fx 26
- Midi over madi 26
- Remote control 26
- Inputs and outputs 27
- Octamic xtc 27
- User s guide 27
- Analog inputs outputs 28
- Instrument in 28
- Line in trs 28
- Mic line in xlr 28
- Phones line out 29
- Aes ebu 30
- Digital inputs and outputs 30
- Adat optical 31
- Word clock 34
- Word clock input and output 34
- Operation and technical background 35
- Cabling and termination 36
- Class compliant mode 37
- Octamic xtc 37
- User s guide 37
- General 38
- Operation 38
- System requirements 38
- Useful hints 39
- Class compliant mode under windows and mac os x 40
- Operation at the unit 41
- Supported inputs and outputs 41
- Octamic xtc 43
- Technical reference 43
- User s guide 43
- Analog 44
- Technical specifications 44
- Digital inputs 45
- Digital 46
- Digital outputs 46
- Firmware 47
- General 47
- Madi user bit chart 47
- Connector pinouts 48
- Technical background 50
- Terminology 50
- Lock and synccheck 51
- Latency and monitoring 52
- Ds double speed 53
- Qs quad speed 53
- Aes ebu spdif 54
- Signal to noise ratio in ds qs operation 55
- Madi basics 56
- Steadyclock 57
- Block diagram 58
- Basic sysex format 59
- Message types commands 59
- Midi implementation octamic xtc 59
- Parameters 60
- Table commands 60
- Details 61
- Level meter data 61
- 43 64db pdb value 65 22 43 64db pdb value 65 62
- 5 0db 6db pdb value 125 0 125 5 0db 6db pdb value 125 0 62
- 6 db 42db pdb value 107 0 94 3 6 db 42db pdb value 107 0 62
- Abbreviations 62
- Bit 1 mute bit 1 mute 0x02 62
- Bit 2 3 phase invert 0 off 1 both 2 left 3 right bit 2 3 phase invert 0 off 1 both 2 left 3 right 0x04 62
- Bit 4 level 0 low 1 high bit 4 level 0 low 1 high 0x08 62
- Level meter send only level meter send only 62
- Lsb channel 1 62
- Lsb source bit 0 0x01 62
- Msb bit 0 bit 7 source see value table 1 62
- Msb channel 2 62
- N a not assigned s d see details 62
- Phones settings 62
- Underflow 0 underflow 62
- Value 126 ovr 62
- Value table 1 phones sources 62
- Value table 2 digital routing sources 62
- Value table 3 midi sources 62
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