SoundPals™ HDDM-8
High Definition Eight Channel Audio De-embedder


The HDDM-8 High Definition Eight Channel Audio De-embedder offers the user an economic yet versatile means of ingesting the various HDTV standards and de-embedding the eight analog channels of audio. All eight line-level or user selectable –6dB outputs are available on Phoenix connectors at the rear of the unit. Provision is made for 2 channel headphone monitoring along with embedded group and channel selection.Like all of the SoundPals line, the HDDM-8 is housed in a compact, rugged aluminum enclosure.


Features include:

  • Active looping high definition input
  • 8 line-level or user selectable –6dB channel outputs
  • 2 channel headphone output with independent volume control
  • AES/EBU group and channel selectors
  • Compact size: 5.2”W x 1.62”H x 6.625”D (15.2x4.1x16.8 cm) less connectors

Power supply not included. See options below.

Input impedance:
75Ω (video)
Output impedance: 30 (balanced)
Data rate:
1.485 Gbps or 1.485/1.001 Gbps
0-100m Belden 8281 or Equivalent
Sample rate:
48kHz Synchronous to Video
Output level:
+4 dBu at -20 dBFS
Frequency response:
+0, -0.2 dB 20Hz to 20kHz
Max output:
+24 dBu, bridging load
Dynamic range:
91 dB
700mA @6Vdc

Additional resources:

Graham-Patten Systems, Inc.
(530) 477-2984
Email:Graham Patten

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