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Compact metal box with quarter-inch audio jacks and BNC SDI ports

Blackmagic Design Pty. Ltd.

Blackmagic Design Pty. Ltd. Mini Converter Audio to SDI CONVMCAUDS media converter

SKU CH-CZ7N-AVTV4

Converts analog and AES/EBU audio into SDI with redundant 3 Gb/s input and auto switching across PAL, NTSC and 1080i formats

  • Format625/25 PAL, 525/29.97 NTSC, 1080PsF23.98, 1080PsF24, 1080PsF
  • Video Sampling4:2:2
  • SDISDI Input SDI: Switchable between SD, HD and 3 Gb/s SDI SDI
  • Digital AduioAES/EBU 8 channels of professional balanced digital with sta
  • Analog AduioAnalog Audio: 4 channels of professional balanced analog aud
  • Power Supply12VDC (includes power supply)
  • Professional 8-channel AES/EBU digital audio input via 1/4 inch jacks
  • 4-channel balanced analog audio input with standard 1/4 inch connections
  • Switchable SD, HD and 3 Gb/s SDI output for flexible workflows
  • Redundant SDI input automatically switches over if main signal is lost
  • Auto-switching between SD and HD formats including PAL, NTSC, 1080i and 720p

Blackmagic Mini Converter Audio to SDI

The Blackmagic Design Mini Converter Audio to SDI embeds analog or digital audio into an SDI video stream. It suits broadcast engineers and post-production facilities that need reliable format conversion with redundant signal protection. The unit accepts balanced analog and AES/EBU inputs through standard quarter-inch jack connections.

Supported formats and capacity limits

Handles 625/25 PAL, 525/29.97 NTSC, 720p at 50, 59.94 and 60, 1080i at 50, 59.94 and 60, plus 1080PsF at 23.98, 24 and 25, all at 4:2:2 sampling. The SDI interface switches between SD, HD and 3 Gb/s rates automatically. It does not support higher frame rates, 4K resolutions or uncompressed multi-channel workflows beyond the eight digital and four analog channels provided.

Thermals, noise and power draw

Operates from an included 12 V DC supply with no internal fan, so acoustic output is negligible in studio environments. Power consumption remains low during continuous conversion and automatic changeover between the primary and redundant SDI inputs. The compact metal enclosure dissipates heat passively without requiring forced airflow.

Highlights

  • Professional 8-channel AES/EBU digital audio input via 1/4 inch jacks
  • 4-channel balanced analog audio input with standard 1/4 inch connections
  • Switchable SD, HD and 3 Gb/s SDI output for flexible workflows
  • Redundant SDI input automatically switches over if main signal is lost
  • Auto-switching between SD and HD formats including PAL, NTSC, 1080i and 720p

Specifications

BrandBlackmagic Design
ModelCONVMCAUDS
Format625/25 PAL, 525/29.97 NTSC, 1080PsF23.98, 1080PsF24, 1080PsF25, 1080i50, 1080i59.94, 1080i60, 720p50, 720p59.94 and 720p60.
Video Sampling4:2:2
SDISDI Input
SDI: Switchable between SD, HD and 3 Gb/s SDI
SDI Redundant: Automatically switches over if main SDI input is lost
Digital AduioAES/EBU
8 channels of professional balanced digital with standard 1/4 inch jack connections
Analog AduioAnalog Audio: 4 channels of professional balanced analog audio with standard 1/4 inch jack connections
Power Supply12VDC (includes power supply)
FeatureAuto Switching SD and HD
Mini Converters instantly switch between standard definition and high definition video formats and changeover is automatic when the video input changes. A huge range of video standards are supported including, NTSC, PAL, 1080i/59.94, 1080i/50, 1080psf/23.98, 1080psf/24, 720p/59.94 and 720p/50 formats, plus new formats can be added via USB.
Advanced 3 Gb/s SDI Technology
Only Mini Converters include the latest 3 Gb/s SDI technology and upgrades can be loaded via the built in USB connection for future video format compatibility. 3 Gb/s SDI is also fully compati
Shipping weight0.54 kg
Package size147 × 140 × 69 mm

Questions about this item

Will the CONVMCAUDS accept 525/29.97 NTSC and 625/25 PAL from my legacy decks?

Yes, it supports both 525/29.97 NTSC and 625/25 PAL alongside 720p and 1080i formats, and auto-switches between SD and HD when the input changes.

How can I verify the redundant SDI input is active after installation?

The converter automatically switches to the redundant SDI input if the main SDI signal is lost, so a stable SDI output during a main-cable disconnect confirms it is working.

Does the box include the 12 VDC power supply and cables for the 1/4 inch AES/EBU and analog audio jacks?

The 12 VDC power supply is included; AES/EBU and analog audio cables with 1/4 inch connectors must be purchased separately.

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