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StreamScope CALM Monitors

ensuring CALM Act compliance

Stay CALM with StreamScope

The Commercial Advertisement Loudness Mitigation (CALM) Act requires the loudness of TV commercials in the U.S. to not exceed the dialnorm by a number of LKFS units. StreamScope CALM monitors help broadcasters and distributors meet the challenge of CALM Act compliance.

Solution for loud commercials

StreamScope CALM monitors analyze AC3 and non-AC3 audio streams for compliance with all ATSC A/85, ITU-R BS.1770-2, and CALM Act requirements and recommendations. By isolating and reducing loudness problems, these state-of-the-art monitors improve audio QoS and increase customer satisfaction and retention.

Learn about StreamScope CALM monitors:

RM-40 CALM ►
A low-cost DTV audio monitor with loudness graphs, spot checks, reports, and alerts.

RM-40 Ultra CALM ►
A high-capacity, full-featured loudness monitor that spot checks up to 50 audio streams.

StreamScope CALM monitors provide

  • Loudness levels and dialnorm values for multiple audio streams
  • Scheduled and on-demand CALM Act compliance spot checks
  • Loudness out-of-bounds event totals for services and PIDs
  • Time-stamped video thumbnail images of potential CALM Act violations
  • Detailed CALM Act compliance reports
  • Record loudness logs based on configurable parameters
  • Automatic loudness alerts via SMS, SNMP, and email
  • IP, ASI and RF input options
  • Connectivity with StreamScope MT-40s for in-depth MPEG analysis
  • Connectivity with StreamScope EM-40 for enterprise-wide monitoring