AUDIO PRECISION launches DANTE audio test solution

21ic Audio Precision today announced that the APx500 analyzer series has introduced a test solution that supports DANTE audio. With the growing demand for DANTE-enabled network professional audio equipment, products and systems, this latest test solution helps engineers effectively verify the audio performance of their designs.

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Network audio

The DANTE digital media network solution was invented by Audinate and is one of the rapidly emerging Ethernet-based, high-quality audio transmission protocols. DANTE is an uncompressed multi-channel technology that provides near-zero latency and synchronization of digital media networks, both for live sound and recording studios or broadcasts. In addition, the technology replaces traditional analog or multi-core cables with cost-effective Category 5 and Category 6 network cables or fiber optic cables.

Testing systems with DANTE

Devices that support DANTE functionality present some unique testing challenges. Many of these products also include traditional analog and/or digital audio interfaces, as well as analog-to-digital converters, digital-to-analog converters, or powered speakers that need to be tested through their DANTE interface. No matter which DANTE virtual sound card or Focusrite's RedNet PCIe Dante sound card is used, it can be installed on the APx system host computer. Engineers can use APx's ASIO interface and analog or digital interface to generate test signals to the device under test (DUT) and measure. Its response. The reverse is also true, applying a test signal to the audio input of the DUT, which can measure the response of the stream output by the DANTE interface.

In addition, the APx500 Series analyzers support multi-channel inspection of DANTE-enabled products, and the APx586 can simultaneously measure up to 16 analog channels. The latest APx V4.1 software version also includes digital bit error rate testing.

"The rapid growth of network audio transmission directly reflects its tremendous value for a variety of professional audio applications," said David Schmoldt, CEO of Audio Precision. “We are excited to help design engineers develop and deliver high quality audio products with DANTE capabilities.”

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