Digigram VX822e

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PCIe card with stereo analog in, 4x stereo out stereo Phones out, stereo AES/EBU in and 4x stereo AES/EBU out with SRC for Windows and Linux
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VX822e is a professional linear (PCM) multichannel sound card based on the PCI Express bus interface. It is designed for use in demanding applications such as broadcast radio live-assist, permanent playback, multichannel playback, running under Windows and requiring balanced analog and AES/EBU connectivity.

At a glance

VX822e features eight output and two input channels available through balanced analog and AES/EBU connections, and can synchronize on an external clock (AES11, Word clock, black burst video). It can be used under Windows with software applications based on standard driver interfaces such as WDM Kernel streaming, DirectSound, Wasapi, and ASIO for Windows

  • Developed for the broadcast industry
  • Balanced analog and AES/EBU audio connectivity
  • Interoperable with most of the third party software applications for audio production, under Windows and Linux

Key features


  • Multichannel linear PCM sound card
  • PCI Express bus interface
  • Eight balanced analog outputs and two balanced analog inputs, +24 dBu max level
  • Four stereo AES/EBU outputs, and one stereo AES/EBU input with hardware sample rate converter
  • Adjustable input and output analog and digital gains
  • External synchronization: AES11, Word clock, black burst video
  • On¬≠board 3¬≠band parametric EQ and Maximizer effects
  • Support for Windows 32¬≠bit and 64¬≠bit (WDM kernel streaming, DirectSound, Wasapi, ASIO)
  • Breakout cables or 2U breakout box BOB8. XLR connectors


  • Bus/Format: PCI Express (PCIe) x1 (x2, x4, x8, x16, x32 compatible)
  • Size: 168 mm   111 mm x 20 mm
  • Power requirements (+3.3V/+5V / +12V / 12V): 3 A / 0 A / 0.4 A / 0 A
  • Operating: temp / humidity (noncondensing) : 0C/+50C 5%/90%
  • Storage: temp / humidity (noncondensing): 5C/+70C 0%/95%


  • Analog line inputs (mono): 2 balanced
  • Maximum input level/ impedance: +24 dBu/ >10 kW
  • Digital input (stereo):
     1 AES/EBU with hw Sample Rate Converter,
     ratio from 7.5:3 to 8:1, up to 192 kHz
  • Programmable input gain:
    analog: from 94.5dB +15.5 dB
    digital: from 110 dB +18 dB
  • Other inputs (not available on VX820HR/e): AES/EBU Sync (up to 192 kHz), Word clock (up to 96 kHz), LTC, Video
  • AES11 synchronization


  • Analog line outputs (mono): 8 servo-balanced
  • Maximum output level / impedance: +24 dBu / <100 W
  • Digital outputs (stereo): 4 AES/EBU, up to 192 kHz
  • Programmable output gain:
     analog: from 86 dB to +24 dB
    digital: from 110 dB to +18 dB
  • Other outputs: Word clock (up to 96 kHz)


  • Internal connectors: Inter-board Synchronization
  • External connector: 68pin SCSI MDR
  • Digigram accessories available:
    Breakout cable or 2U 19
    Breakout Box


  • Sampling frequencies available: Programmable from 32 to 192 kHz
  • A/D and D/A converter resolution: 24 bits
  • Supported audio formats: PCM (8, 16, 24 bits), Float, IEEE754

Typical Audio Performance Measurements done at Fs=48 kHz unless stated otherwise, with filter on the 22 Hz 22 kHz range

  • Frequency response (record + play): 20 Hz20 kHz: 0.3 dB
  • Channel phase difference: 20/20kHz: <0.2/2
  • Dynamic range (A-weighted):
    Analog In: >104 dB
    Analog Out: >110 dB
  • THD + noise 1 kHz at 2 dBfs:
    Analog In: <96 dB
    Analog Out: <96 dB
  • THD + N 1 kHz AES/EBU In w/ SRC: <130 dB
  • Crosstalk (Analog in or out):
    1 kHz at 24 dBu: <100 dB
    15 kHz at 24 dBu: <90 dB


  • Digigram management: np SDK (HR Runtime, PCM only)
  • Other management: Wave MME, ASIO, WASAPI, and DirectSound (all PCM only)
  • OS supported: Windows XP, 7, 8, 10, Server 2003, Windows Server 2008, Server 2012 (32 and 64 bits)
  • Main on-board processing features (with np SDK): PCM and Float IEEE754, play, rec, realtime mixing, direct monitoring, level adjustment, 3band parametric equalizer, maximizer, panning, crossfade, punch-in/punchout, scrubbing.

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