VX822e Multichannel Sound Card

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Description

VX822e Multichannel PCM Sound Card

 

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.

 

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

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
  • On­board 3­band parametric EQ and Maximizer effects
  • Support for Windows 32­bit and 64­bit (WDM kernel streaming, DirectSound, Wasapi, ASIO)
  • Breakout cables or 2U breakout box BOB8. XLR connectors

SPECIFICATIONS

 

Configuration

  • 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) : 0°C/+50°C • 5%/90%
  • Storage: temp / humidity (non­condensing): ­5°C/+70°C • 0%/95%

Inputs

  • 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 à +15.5 dBÄ
    – digital: from –110 dB à +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

Outputs

  • 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)

Connectors

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

Audio Specifications

  • 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 Hz–20 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

Development Environments

  • 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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