Evertz

Evertz VLPRO-IG VistaLINK® Audio Loudness Logging & CALM Act Compliance Software

Evertz Signal Processing

Professional broadcast product designed for reliable production, streaming, and modern media workflows.

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Key Features

CALM & Loudness Compliance: Captures and logs real-time audio loudness data for FCC CALM Act, ATSC A/85, EBU R128, and ITU-R BS.1770 compliance.
IntelliGain® Integration: Compatible with Evertz IntelliGain® enabled cards, frame synchronizers, and standalone monitoring units.
Graphical Loudness Monitoring: Displays near real-time audio levels and highlights out-of-threshold events across multiple streams.
8-Program Tracking: Simultaneously monitors and automatically archives up to eight audio programs per software instance.
Compliance Reporting: Generates customizable reports and exports selected time-window data to CSV for auditing.
VistaLINK® PRO Integration: Operates as a standalone Windows application or integrates with the VistaLINK® Network Management System.

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Product Overview +

Centralized Compliance Logging & Data Mining

The Evertz VLPRO-IG is a dedicated loudness logging, archiving, and reporting software module built to help broadcast facilities comply with FCC CALM Act regulations. Working in tandem with Evertz IntelliGain® processors, VLPRO-IG provides broadcast engineers, supervisors, and network operators with a centralized location to configure, record, and analyze ITU-R BS.1770 audio metrics across the facility.

Near Real-Time Visual Monitoring

Featuring dynamic graphical histograms, VLPRO-IG plots incoming audio level data as it happens. Operators can view multiple audio programs side-by-side in custom plot layouts, making it effortless to identify sudden volume spikes or non-compliant commercial segments before they reach end viewers.

Automated Archiving & Audit Exporting

To ensure uninterrupted record-keeping, the software automatically archives audio level data to structured, flat CSV files at user-configurable intervals. When compliance verification is required, users can quickly extract precise logs for any historical time frame and export them directly to third-party reporting tools or internal quality assurance archives.

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