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Gra-Vue VIO ALC-HD HD Digital Automatic Loudness Controller

Gra-Vue VIO ALC-HD HD Digital Automatic Loudness Controller
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Expected availability: 7-14 business days

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  • This item is noncancelable and nonreturnable.
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Gra-Vue VIO ALC-HD Overview

The Gra-Vue VIO ALC-HD HD Digital Automatic Loudness Controller is an HD-SDI embedded audio loudness controller. This VIO ALC-HD adopts the advanced automatic loudness processing and excellent technology of reducing and eliminating audio noise. It automatically keeps the valid audio data that exist within the required range. The VIO ALC-HD Digital Automatic Loudness Controller can be used in various occasions to deal with loudness problems, such as audio jumping between different programs.

Advanced FPGA + DSP processing technology
Based on ITU-R BS1770 standard
Supports the resolution of 480i 60, 576i 50, 720p, 1080i, and 1080p
Supports SDI signal with embedded audio
Up to 8 channels of audio processing with embedded audio
Supports signal loop-out when power off
Unique technology of noise reduction
Loudness control only to valid data
Two control modes, auto mode for automatic control of audio loudness and manual mode for customize adjustment of audio gain
Supports SNMP protocol and Web server monitor
Monitors audio waveform and phase before and after processing from DVI interface
Adopts RS485 to connect VIO ALC and RCP with a coaxial cable
Two high quality speakers and a head phone configured on RCP, with adjustable audio volume via knobs
1U chassis structure, redundant power and fan designed

Gra-Vue VIO ALC-HD Specs

Signal Input1 x HD/SD-SDI, BNC, 75 Ω
StandardSMPTE 292M; 1.5 Gb/s
SMPTE 259M; 270 Mb/s
Length328.0' (100.0 m) @ 1.5 Gb/s
984.2' (300.0 m) @ 270 Mb/s with Belden 1694A
Signal Output3 x HD/SD-SDI, BNC, 75 Ω (2 after-loudness-control outputs,1 of 2 for loop-out without power, 1 HD/SD-SDI loop)
StandardSMPTE 292M; 1.5 Gb/s
SMPTE 259M; 270 Mb/s
Control PortsRCP control: RS-485, BNC, no parity bit, Baud rate based on protocol
Network: RJ45, 1000MBase T Ethernet
Loudness ControlRange: 0 to 30 dB adjustable
Power Supply2 x 120 W, 100 to 256 VAC, 50 to 60 Hz
Dimensions17.3 x 19.0 x 1.7" (440.0 × 483.0 × 45.0 mm)
Packaging Info
Package Weight17.64 lb
Box Dimensions (LxWxH)24 x 24 x 8"

Gra-Vue VIO ALC-HD Reviews

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