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Digirator DR2 Digital Audio Signal Generator $1,850.00
NTI Audio  NEU-DR2
NTI Audio Warranty  |  NTI Audio List Prices

Digirator DR2 Digital Audio Signal Generator
Click to enlarge


Product Details

The Digirator DR2 is a reference grade digital audio signal generator with transformer balanced AES3, S/PDIF, TOS-Link and ADAT outputs. The generator offers a comprehensive set of audio test signals and surround sound test sequences for verification and adjustment of professional Dolby Digital, Dolby E and DTS installations. The internal low jitter clock generator can be synchronized to AES3, DARS, Word Clock and Video signals. Measurement of channel transparency, channel propagation delay and sample frequency is supported.

  • Handheld digital source
  • Improves surround sound
  • Occupies broadcast lines
  • Calibrated generator
  • Free online updates

    DR2 Features:
    Sine Wave, Noise, Polarity
    A full range of digital audio test signals for maintenance, repair and calibration of professional audio equipment is generated. User test signals may be stored as uncompressed WAV-files in the DR2 memory.
    Multi Format SYNC Input
    The DR2 accepts AES3, DARS, Word Clock and Video Black Burst (PAL and NTSC) synchronization signals. The input impedance of the sync input may be switched between 75 Ohm, 110 Ohm and High Z.
    Channel Status Monitoring
    Channel status information can be generated in professional and consumer format and the most important parameters may be manipulated manually. Display of incoming channel status data is also supported.
    Store Preset Configurations
    Up to 10 complete instrument configurations can be stored in the internal flash memory and reloaded for repetitive tasks. The saved settings may also be transferred to other DR2 instruments.
    Dolby Digital, Dolby E and DTS
    The DR2 wave file player can play back multi channel bit stream files. A set of 5.1 test sequences for the verification and optimization of surround sound equipment and installations is stored on the unit’s flash disc.

    DR2 Measurement Functions:
    Channel Transparency Check
    The DR2 tests whether a transmission channel is transparent for non linear PCM signals and indicates if Dolby E, Dolby Digital and/or DTS bit streams can pass. This test is also suitable for any digital audio recording device.
    Channel Delay Measurement
    The propagation delay between any DR2 digital audio output and the XLR sync input (which accepts AES3 signals) may be measured and displayed in seconds or video frames.

  • Product Specifications
    Frame: Consumer/Professional, up to 24 bit audio
    Output Sampling Frequency:
    XLR, RCA: 32, 44.1, 48, 88.2, 96, 176.4, 192 kHz
    Optical: up to 96 kHz
    ADAT: up to 48 kHz
    Outputs:
    AES3 (110 Ohm) XLR
    S/PDIF (75 Ohm) RCA
    TOS-Link: Stereo and ADAT
    AES3id (75 Ohm) using optional adapter
    Inputs: XLR Sync input for: AES3, DARS, Video Black Burst (NTSC, PAL), Word Clock using BNC to XLR adapter (included)
    Wave Forms:
    Linear PCM: Sine, Polarity Test Signal, Delay Test Signal, Pink Noise (crest factor = 4.42), White Noise (crest factor = 3.47), Playback of Wave Files
    Multi Channel: A comprehensive library of multi channel data streams is supplied in the following formats: Dolby Digital, Dolby E, Dolby ProLogic II, DTS
    Wave File Format: Sampling freq.: 48 kHz; Resolution: 16, 20, 24 bit, Mono + Stereo
    Frequency Setting:
    Range: 10 Hz - 20 kHz
    Increment: in 1 digit steps
    Accuracy: 0.01%
    Stepped Sweep Function:
    Freq. range: freely selectable, 10 Hz - 20 kHz
    Increment: 1/1, 1/3, 1/6, 1/12 octave
    Sweep speed: selectable 0.5 - 5 seconds per step
    Continuous Sweep (Chirp) Function:
    Freq. range: freely selectable, 20 Hz - 20 kHz
    Increment: Linear / Logarithmic
    Chirp speed: 1.0 - 99 seconds per cycle
    Level Units: dBFS, %
    Output Level Range: -100 to 0.00 dBFS
    THD+N: of generated sine wave: better than -138 dB
    USB Functionality: Firmware update; Mass Storage Device
    Flash Memory: 512 MByte for storing wave files and configurations
    Display: Graphical, with back light
    Auto-Power-Off: 10, 30, 60 minutes or OFF
    Batteries: 3 x AA Alkaline dry cells or rechargeable equivalents; Battery Life typical 10 h
    Temperature range: 0° to 45° C (32° to 113° F)
    Humidity: < 90% rel. humidity, non-condensing
    Dimensions: (LxWxH) 152 x 81 x 43 mm (incl. protective shock jacket)
    Weight: including batteries 310 g (11 oz.)

    Optional Accessories
    Pouch NTI# 600000302
    Minstruments System Case NTI# 600000020

    Product Weight
    11 oz. (310 grams) Including batteries

    Product Dimensions
    152 x 81 x 43 mm (incl. protective shock jacket)

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