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LX-MADI Multichannel Sound Card
   Key Workflow: Guarantee ultra-low latency and perfect signal integrity in mission critical applications for broadcast automation and on-air, video and post production
   The LX-MADI sound card performs ultra-stable 24/7 record/play operations with sub-millisecond round trip latency on its PCI Express interface. Its hardware-based architecture maintains performance regardless of the computational load of other applications running on the host system. This guarantees continuous quality of service in all demanding broadcast automation and on-air, video and post production workflows.
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At a glance

The LX-MADI sound card delivers ultra-low latency and high stability for mission critical, 24/7 applications.

· Record/play 64 optical MADI (AES10) channels with sub-millisecond round trip latency on PCI Express interface

· Provides real time Multichannel audio digital interface with external equipments to broadcast automation and on-air, video and post production applications

· Controls MADI channels from appropriate ALSA and WASAPI / DirectSound and ASIO drivers in Linux and Windows environments

Key features

· MADI interface: 64 in / 64 outputs MADI (AES10) channels on Optical multimode interface

· Sub-millisecond round trip latency

· WordClock input and output

· Automatic backup switching between clock sources

· PCI Express interface

· Drivers: ASIO, WASAPI / DirectSound, ALSA

· For Windows 10, 8 and 7 32/64bits, Windows server 2003/2008, Linux

· Designed for 24/7 mission critical operations

· High reliability with inbuilt FPGA technology

Configuration

· Bus/Format: PCI Express(R) x1 (compatible x1, x4, x8, x16 slots)

· Size: 111.15 mm x 167.65 mm x 20 mm

· Power requirements (+3.3V/+12V): 0.4 A / 0.12 A

· Operating: temp / humidity (non-condensing): 0°C / +50°C • 5% / 90%

· Storage: temp / humidity (non-condensing): -5°C / +70°C • 0% / 95%

Inputs and Outputs

· Connectors
– 1 optical connector for MADI In/Out
– 1 BNC for Word Clock In / Out

· MADI (Multichannels Audio Digital Interface) inputs and outputs: 64 /64 Inputs / Outputs (mono) or 56 /56 Inputs / Outputs at 48 kHz sampling frequency and 32 /32 Inputs / Outputs at 96 kHz sampling frequency

· Word Clock input or output:
– BNC connector, Input or Output position selectable by software.
– Input : TTL , impedance selectable by jumper (75 Ohms / HighZ).
– Output : Max 5 Vpp, 75 Ohms output impedance

· Clock sources

- Internal or Word Clock or MADI input

- Local clock precision : better than 10 ppm

- Automatic backup switching between MADI, Word Clock and Internal clock sources

· Sampling frequencies
– From local clock: 44.1 kHz 48 kHz, 96 kHz
– From Word Clock: 44.1 kHz, 48 kHz, 96 kHz
– From MADI: 44.1 kHz, 48 kHz, 96 kHz

Environment

· Latency and PC interface: Round trip time down to 0.8 ms

· Supported operating systems: Windows 10, 8 and 7 32/64 bits, Windows server 2003/2008, Linux

· Supported drivers: ASIO, WASAPI / low latency WDM DirectSound, ALSA

Benefits

· Increase Production and Automation density: 64 I/O low latency channels driven by high precision clock synchronization

· Secure content delivery: FPGA design and ultra-stable Linux and Windows drivers for 365/24 operation

· True Real-time audio: Ultra-low latency (down to 1 ms round trip with 64/64 In/output streams)

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