ONAIR Broadcast Profanity Audio Delay

The DELAY-21 is a professional-grade audio delay unit designed for broadcast environments requiring profanity masking and dump functionality. It provides continuous audio delay with configurable masking options, ensuring reliable protection against unwanted content on-air.

Key Features

• Adjustable delay from 0.02 seconds up to 1000 seconds
• Minimum hardware delay: 200 ms
• Fine adjustment in 0.01 second steps
• Custom audio file playback for masking during dumps
• Incoming audio supervision for real-time monitoring
• 16-bit digital-to-analog conversion at inputs and outputs
• Remote control via HTTP and TCP/IP
• User-defined dump length for flexible operation
• Configurable audio masking for instantaneous dumps
• Experimental audio delay rebuild (delay time reduced during dump, then gradually restored)
• Emergency dump function
• Remote control desktop unit for operator convenience

Audio & Connectivity

• Outputs: Two independent outputs
• Inputs/Outputs:
• Unbalanced analog audio via 3-pin XLR connectors
• 6.3 mm stereo jack for supervising outgoing audio
• Sample Rate: Up to 48 kHz at 16-bit
• Control Interfaces:

• Front panel LCD display & keypad
• Remote web control panel (WiFi & Internet)

Advantages

• Always-on protection for live broadcast environments.
• Flexible delay management with precise adjustment.
• Professional connectivity with XLR and monitoring jack outputs.
• Remote operation for modern studio workflows.
• Reliable emergency dump capability for compliance and safety.