L-Acoustics - L-ISA Processor II

L-Acoustics - L-ISA Processor II

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L-ISA Processor II is a hardware solution dedicated to real-time spatial audio processing. It provides state of the art objectbased mixing to any immersive audio production from intimate installations to the largest tours. The processor has been entirely redesigned for added robustness and greater resources, now offering 128 inputs and up to 128 outputs using Milan-AVB and MADI protocols.

L-ISA Processor II can process up to 96 objects with spatial processing parameters (pan, width, distance, elevation) and the patent-pending room engine. Improving upon its predecessor, these objects can be rendered to up to 128 outputs at 96 kHz. To adapt to any project or production size and budget, L-ISA Processor II introduces a scalable licensing model that offers license packs with 16, 32, 64 and 128 outputs, which can be upgraded as needed.

The re-engineered chassis has been ruggedized with robust mechanics and locking connectors, and includes two redundant universal power supplies. When required, a second processor can be used in mirror mode for further redundancy. As a Milan-certified device, L-ISA Processor II also ensures reliability for audio distribution with seamless Milan network redundancy for all AVB streams. L-ISA Processor II is remotely controlled and monitored using the L-ISA Controller software

• Architecture: Up to 128 x 128 at 96 kHz, License-based output count: 16, 32, 64 or 128 outputs
• L-ISA parameters Pan: Width, Distance, Elevation, Aux send, Room engine
• Inputs: 64 AVB channels, 96 MADI channels (96 kHz), 2 AES/EBU channels:
• Outputs 128 AVB channels: 32 MADI channels (96 kHz), 2 AES/EBU channels, Stereo headphones
• Sync sources: Word clock, AVB or CRF, MADI, AES/EBU
• Height: 3U

Power supply

• Model: Universal Switched Mode Power Supply (SMPS) with Power Factor Correction (PFC)
• Mains rating: Redundant power supplies: 2 x 100 V - 240 V AC 350 W
• Connector: IEC C13 V-lockTM compatible

DSP

• L-ISA Processing at 96 kHz: 96 objects rendered to a maximum of 128 outputs (depending on license pack) L-ISA parameters: Pan, Width, Distance,
• Elevation, Aux Send Room engine
• Direct audio routing: Audio format conversion MADI to AVB or AVB to MADI, AVB to AVB stream multiplexing
• Latency: 3,2 ms
• Boot time to AVB audio pass through: 31 s

Inputs

• Milan-AVB: 64 AVB channels (8 redundant streams of up to 8 channels), 2 x etherCON Gigabit ports for AVB primary and secondary
• MADI: 192 channels at 44,1 or 48 kHz / 96 channels at 96 kHz, 3 x BNC connectors
• AES/EBU: 2 channels (1xAES3) at 44.1, 48 or 96 kHz, 1 x XLR female connector

Outputs

• Milan-AVB: 128 AVB channels (16 redundant streams of up to 8 channels), 2 x etherCON Gigabit ports for AVB primary and secondary
• MADI: 32 outputs at 96 kHz or 64 channels at 44.1 or 48 kHz, 1 x BNC connector
• AES/EBU: 2 channels (1xAES3) at 44.1, 48 or 96 kHz, 1 x XLR male connector
• Headphones: Analog stereo headphones, 6.3 mm TRS

Audio clock sources

• Word Clock: Input and output on BNC connectors
• Milan-AVB: CRF input and output streams, audio input and output streams
• MADI: Input and output on BNC connectors
• AES/EBU: Input on XLR connector

Features

• Room engine: Multi-channel 3D processing to create virtual acoustic spaces
• Source Input Delay: Static or dynamic delay to correctly align the natural signal to the amplified one.
• Spatial fills: Multi-channel algorithm for better audio-visual consistency of fill systems
• Snapshot engine: Trajectories for mono, stereo or group of objects
• Scale simulation: Listening from any virtual position within the audience area to assess the mix
• Binaural: Immersive audio on headphones
• Stereo Mix Compatibility: Mix from standard stereo buses to an L-ISA deployment

Interface

• Indicators: Power and status LEDs
• Connectors: Locking connectors for power, audio, network and clock
• Additional ports: 2 x USB, 1 x HDMI port, 1 key holder for backup boot system

Remote control and monitoring

• Network connection: Ethernet Gigabit interface
• L-Acoustics remote control software: L-ISA Controller
• Third-party remote control: HTTP-based control platforms
• Third-party interoperability: DeskLink and Control plugin for integration in mixing consoles, Control plugins for Digital Audio Workstations, OSC compatibility for show control, media engine and creative control environment, PosiStageNet and RTTrPM protocols for tracking systems integration

Operating conditions

• Temperature: -5º C / 23º F to +50º C / 122º F
• Maximum altitude 2000 m / 6500 ft

Physical data

• Height: 3U
• Weight: 11 kg / 24.3 lb
• Dimensions W x H x D 483 x 133.35 (3U) x 458 mm / 19 x 5.25 (3U) x 18 in
• Protection rating: IP20