DCD-8 Master Clock Distripalyzer


A most versatile solution for all your clocking needs

DCD-8 Master Clock Distripalyzer
DCD-8 Front Panel


  • Ultra Low Jitter Word Clock Generator
  • Extracts a clean Word Clock from Audio (AES, S/PDIF, ADAT) or Video (Incl. HD)
  • Generates multiple rates simultaneously
  • Word Clock Distributor
  • World Clock Analyzer
  • Audio Router/ Format converter (FireWire included)
  • Audio Reclocker
  • Video Sync Generator (optional) VSG-4

With the proliferation of digital equipment, it is becoming increasingly difficult to keep everything synchronized and locked. Carrying on in the tradition of the Brainstorm Distripalyzer, the DCD-8, with 10 inputs and 17 outputs, is the perfect solution! Offering not only exceptional stability but also remarkable flexibility, the DCD-8 is ideal for most situations, whether you have a small sound studio or a large post-production facility with NTSC, PAL or HD systems. Clock generating, distributing, clean up, analyzing, format converting, it does it all for a very affordable price.


Inputs available are WC, GPS, AES, S/PDIF ADAT and video. Any of those external sources can be used as a reference. Or set the DCD-8 to “internal” and use it as a master clock generator. FireWire is also included, which some manufacturers only offer as a costly option. So, if you need to reference your Mac or PC to the DCD-8 via FireWire, you’re ready to go.

Video Sync.

The DCD-8 will feel right at home in a video studio. The base model accepts NTSC, PAL, and even HD tri-level sync. And the optional video generator VSG-4 can generate many different formats of HD tri-level sync, as well as NTSC and PAL.


For Gearboxing, the DCD-8’s exceptional flexibility enables you to generate any rate from any source. The DCD-8 can also generate multiple rates simultaneously: 3 digital audio rates (up to 192K) and 4 video sync rates (2 SD and 2 HD). All locked to the same reference.

Analyzer and audio format converter

While all this is going on, the DCD-8 analyzer keeps you confident everything is running smoothly and helps you identify problems when necessary (phase, termination,frequency). As a bonus, the DCD-8 even does format conversion between the different audio I/O’s.IEEE 1588 network sync.


  • Extremely Low-Jitter Clock with all standard rates, up to 192K
  • Reference: External WC, AES/EBU, S/PDIF, ADAT, Video or Internal crystal
  • Video reference to NTSC, PAL or HD Tri-level sync
  • Two separate generators capable of generating two rates simultaneously, assigned to any of 8 wc outputs
  • Outputs 7 & 8 feature a frequency multiplier: x2, x4, x64, x128, x256 for Pro Tools super clock and DSD
  • Supports simultaneously .1% and 4% pull up/down rates
  • VSO (+/- 200 cents) is available


  • 3 WC inputs / 8 WC outputs
  • Distributed clock is internally regenerated
  • Silent audio sent to all audio outputs


  • High resolution input frequency counter
  • Phase comparison between different sources
  • Termination errors


  • Audio I/O’s include AES/EBU, S/PDIF, ADAT, FireWire
  • Any audio input can be routed to any audio output
  • Audio outputs are reclocked, thus improving the sound of your digital source


  • When locked to an external signal, in the event of a drop out or a source failure, the DCD-8 will switch automatically to an alternate source; if no alternate source has been selected, the DCD-8 will switch to its internal crystal


  • Multiple DCD-8’s can be linked together via cable, while maintaining phase


  • This optional card provides 4 video outputs, 2 in standard definition and 2 in high definition
  • PAL and NTSC sync can be generated simultaneously and sent to each of the 2 SD outputs
  • Many HDTV tri-level sync formats are supported and any 2 can be sent simultaneously to each of the 2 HD outputs

The video generator can be locked to the internal crystal or to any of the external references: WC, Audio or Video

DCD-8 Rear Panel

DCD-8 Specifications

Inputs: 3x Word Clock BNC (2 on rear + 1 on front panel) – 32KHz to 192KHz
3x AES-EBU (2 XLR on rear + 1 BNC on front panel) – 32KHz to 192KHz
1x S/PDIF on RCA- 44.1KHz to 192KHz
1x Optical:
S/PDIF 44.1KHz to 192KHz
ADAT (SMUX) 44.1KHz to 192KHz
1x FireWire 44.1KHz to 192KHz
1x Video: NTSC / PAL or HD Tri-Level Sync
Outputs: 8x Word Clock BNC –
1x S/PDIF on RCA
1x Optical:
1x FireWire
Optional Video Outputs: 2x SD: NTSC and PAL
2x HD: 720 (SMPTE 296M) & 1080 (SMPTE 274M, RP211, 295M)
WC Generator: Includes 2 separate generators, A&B
Each generator can generate a separate rate from 32KHz to 192KHz
Pull up/down: .1% and 4%
VSO (+/- 200 cents)
Analyzer: Input frequency counter
Power: External, switching power supply
Input voltage: 90 VAC – 264VAC
Input frequency: 47 Hz – 63 Hz
Output: +12VDC, 2A
Dimensions: 19” x 8” x 1.75”

DCD-8 Resources


Can the DCD-8 generate several WC frequencies simultaneously?

Yes. The DCD-8 includes two separate generators, A & B, capable of generating two different rates simultaneously (for ex. 44.1 & 48) locked to the same reference. A or B can be assigned to any output. In addition, outputs 7 & 8 feature a frequency multiplier: x2, x4, x64, x128, x256.

How can I see which frequency is sent to which output?

The DCD-8 front panel includes lots of indicators. The LCD display clearly indicates the A and the B frequencies; to the right of the LCD are LED’s indicating which of the 2 frequencies are assigned to each output. So there is no need to go through menus. It is always clearly visible on the front pane.

If I am distributing WC through the DCD-8, what happens if my WC source fails?

The DCD-8 can be programmed to switch automatically to an alternate source. If the alternate source was also to fail, or if no alternate source was set, the DCD-8 would switch automatically to internal crystal.