Occupying only 1U of rack space, the SDI-MADI provides the interface between SDI video bitstreams and digital audio. SDI-MADI extracts up to 16 audio channels from each of the unit's four SDI inputs to provide a total of up to 64 audio channels in both MADI (AES10id-2008) and AES3 (AES3-1992) formats. All SDI inputs independently auto-sense between 3G, HD and SD standards and are provided with loop-through connectivity for downstream equipment. With a comprehensive range of synchronising options and switchable sample rate convertors, the SDI-MADI is designed to reliably and seamlessly integrate into any broadcast environment where SDI-embedded audio channels require format conversion.

4 x SDI inputs on 75 ohm BNC connection. 16 audio channels per input

Auto-detection of SD/HD/3G input format

Active loop-through of each input to 75 ohm BNC output connection

Full Dolby E/Dolby Digital transparency for loop through

32 x AES digital audio output via 37 pin D-Sub

Dual 64 Ch MADI digital audio output via ST Multimode Optical and Coax

Front Panel LED status indication for PSU, SYNC, SRC and SDI Lock

Comprehensive sync options (Wordclock, AES, Black and Burst, SDI1 - 4)

Wordclock and AES sync outputs

On-board sample rate convertors (SRCs), enabled locally or remotely via GPI

Dual power supplies, with separate IEC mains connectors

Optional 19" AES Signal Breakout panel providing AES3-id outputs on 32 x BNC connectors (75 ohm)

Video Inputs:
Connector/input impedance : 4 x BNC sockets, 75 ohm
Compatible formats : SDI, SD/HD/3G, compliant with SMPTE 259M, 296M, 274M, 292M, 424M or 425M

Video Outputs:
Connector/output impedance : 4 x BNC sockets, 75 ohm
Format : Active, re-clocked loop-through of SDI inputs

Audio Inputs:
Format: : Extracted from SDI video inputs

AES3 Audio Outputs:
Connector/output impedance : 37-way female Dsub, 32 x 75 ohm unbalanced
Format : Compliant to AES3-1992
Sampling frequency : 48 kHz nominal

MADI Audio Output:
Connector/output impedance (coaxial) : BNC socket, 75 ohm
Connector (optical) : ST Multimode
Format : 64-channel, compliant with AES10id-2008
Data rate : 125 Mbps ±25ppm

Synchronisation:
Sample Rate Conversion : SRC available on all inputs, switchable in banks of 16
Sources : (External): SDI1 to 4, AES3, Video black-and-burst, Wordclock
Video sync input : PAL/NTSC 50/60 Hz (SD)
Wordclock input : 48 kHz ±50ppm, DC coupled, positive going pulses
AES3 input : AES3 input at fs=48 kHz
Wordclock output : 48 kHz nominal
AES3 output : Digital audio signal compliant with AES3-1992

GPIO Port:
GPIO port - connector : 9-pin female Dsub
Input functions : 4 x SRC select (short-to-ground)
Output functions : 4 x SRC status (open-collector)

Other Control:
RS-422 : 9-pin female Dsub - for possible future use
Ethernet : For possible future use

Power Supply:
Type : 2 x independent switch-mode regulated, auto-ranging
Inputs : 2 x 90 to 264 V AC, 50/60 Hz
Power consumption : 16 W
Connectors : 2 x IEC with retaining clips
Fuse data : Internal fixed resettable (non-user-accessible). Use a 1 A HRC externally-fused supply

Physical:
Dimensions (w x d x h) : 483 x 200 x 44.5 mm (1U)
19 x 7.87 x 1.75 inches (1U)
Weight : 4 kg / 8.8 lbs
Operating temperature range : 0ºC to +40ºC
Relative humidity range : 70% max, (non-condensing