Testing Audio ADCs and DACs

audioXpress December 2015 included another great Practical Test & Measurement article on “Testing Audio ADCs and DACs,” written by David Mathew from Audio Precision. As he explains, the articles discuses methods used to procure high-quality results by correctly evaluating the critical AD and DA stages, with conventional and more evolved measurements used in audio tests. The article also includes an interesting side-text detailing how Audio Precision found an ideal test case for the APx555 analyzer. Full article now available online.

Audio Precision announced the availability of the latest release, version 4.1, of their powerful APx500 audio test software. The release provides a number of enhancements, including full input bandwidth across all channels for their two-channel (APx555 and APx525) and sixteen-channel (APx586) analyzers, enhanced filter flexibility and increased acoustic response control.

Audio test specialist, Audio Precision, announced V4.0 software is available for download free of charge by all APx system users. The release coincides with the commencement of APx555 shipments, AP’s newest audio analyzer. The new software now provides a multi-mode user interface for the entire APx family of analyzers, adding user-selectable automated measurement sequences.

Audio Precision announced the launch of their new groundbreaking audio analyser the APx555. The new analyser resets the brand’s recognised standard in audio test with unmatched analog performance and a typical residual THD+N of -120 dB, the lowest in the world, providing audio professionals with unparalleled insight into their designs.