Product News: Test & Measuring Instruments

Audio Analyzer supports digital audio interface option.

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Press Release Summary:

November 21, 2012 - Enabling digital audio equipment testing, FLEXUS Audio Analyzer supports digital audio interface option featuring AES3, AES3id, S/PDIF, and TosLink functionality. Option provides 2 digital inputs to FX100 analyzer as well as 2 outputs from FX100's digital signal generator, with standard sampling rates up to 192 kHz and external synchronization. Flexible structure and software aids setup for connecting to analog-/digital-only or mixed-mode devices and applications or A/D converting devices.

NTi Audio AG

P.O. Box 231027, Tigard, OR, 97281, USA

Original Press Release

FX-AES Digital Audio Extension for FLEXUS Analyzer

Press release date: November 1, 2012

NTi Audio is extending the functionality of the FLEXUS Audio Analyzer by adding a digital audio interface option, with AES3, AES3id, S/PDIF and TosLink functionality. It seamlessly integrates into the modular concept of the FLEXUS analyzer providing two digital inputs to the FX100 analyzer, as well as two outputs from the FX100's digital signal generator; with standard sampling rates up to 192 kHz and external synchronization feature. Together, a standard FX100 and  the FX-AES module form the FX100-D.

The AES3 interface extension adds two digital analyzer inputs and two digital signal generator outputs, allowing testing digital audio equipment. The flexible structure of the FLEXUS Audio Analyzer & software offers a simple setup for connecting to analog-only, digital-only or mixed mode devices and applications or A/D converting devices.

External Sync
The signal source may run either referenced to its own high precision oscillator or synchronized to a wide range of external clock references such as AES3 house clock, PAL/NTSC video clock or to the AES3 analyzer input sample rate.

Cross domain measurements
The digital interface and the standard two channel FX100 audio generator and analyzer operate together automatically within the FX-Control software environment, offering all meaningful measurements now across the analog or digital domain, supporting all kinds of cross-domain measurements such as A/A, A/D, D/A and D/D - all with the standard analyzer only. But if desired, by adding a two channel analog extension, the FLEXUS analyzer can also perform measurements with the two additional analog channels operating in parallel to the digital domain measurements if such simultaneous dual domain operation is required or desired.

Digital Audio interface measurements and settings
The sampling rate of the digital Generator can be set to any frequency between 28 kHz and 210 kHz. On the analyzer, fs is measured at the AES3 inputs and the sync input in parallel. Input and Output can be set to appropriate impedance interface settings, based on the chosen interface. Carrier and sync signal status, are constantly monitored. The channel status of the AES3 audio signal can be set and measured. The same applies for the resolution of the audio signal.

Together the Flexus Digital Audio Extension offers an efficient but low cost path for connecting the FX100 generator and analyzer to digital domain outputs and inputs.

More details at www.nti-audio.com/FLEXUS

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