Precision Dual-Channel Composite Decoding

The Evertz 7837CD2 series provides broadcast-quality composite analog to serial digital video conversion for two independent channels in a single card. Utilizing 12-bit video sampling and 3D adaptive comb filtering, these converters isolate luminance and chrominance while suppressing motion artifacts and cross-color interference. The series is ideal for broadcast ingest, legacy archival workflows, and signal preparation prior to MPEG/AVC compression systems. Fully featured processing amplifiers allow operators to adjust black level, gain, hue, saturation, noise reduction, and luma detail enhancement per channel.

Frame Synchronization and Audio Multiplexing

Each decoded channel includes integrated frame synchronization locked to a shared composite genlock reference input. The series supports non-time base corrected (non-TBC) sources alongside variable output phase adjustments in 27MHz clock increments. Audio-enabled models (-A4 and -A8) expand capabilities by digitizing balanced analog audio via terminal blocks:

• 7837CD2-A4: Converts 4 analog audio inputs (2 per channel), embedding two channels (1/2 group) onto each SDI output while providing 2 discrete AES outputs.
• 7837CD2-A8: Converts 8 analog audio inputs (4 per channel), embedding a full audio group (4 channels) onto each SDI output while providing 4 discrete AES outputs.

Diagnostic OSD and Network Management

Engineered for multi-channel rack environments, the 7837CD2 series includes a composite monitoring output that generates comprehensive On-Screen Display (OSD) text for local card configuration and real-time status diagnostics. For centralized facility management, the card is fully SNMP-enabled when housed in 7800FR enclosures with a frame controller, integrating with VistaLINK® software and hardware control panels (such as the VUE-CP232 or VUE-TOUCH2-12R) for system-wide monitoring and automated fault reporting.