Abstract: In contrast to the sophisticated implementation of binary phase shift keying (BPSK) transmitter using application specific integrated circuit (ASIC), mixer, and local oscillator (LO) for ...

Sometimes, when an audio component dies, the root cause is something electrical. Sometimes, the issue ends up being fundamentally mechanical.

Astell & Kern is ending 2025 with a bang by launching two new products: the "small-but-mighty" HC5 USB DAC and the high-end Stella wired in-ear headphones. Following on from 2023's HC4 model, the new ...

Questyle’s QCC ($59) and QCC Pro ($99) finally bring aptX Adaptive and LDAC to iPhone and iPad, giving Apple users higher resolution Bluetooth audio. Is the $49 Creative BT-W6 Bluetooth 5.4 dongle ...

If you want to hear Apple Music’s lossless catalog the way it was meant to sound, you will need a little extra hardware. iPhones and most wireless headphones still have limitations when it comes to ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

Our favorite Dongle DACs in 2025 for audiophiles include models from Questyle, Audioengine, iFi and Campfire Audio. A Dongle DAC is a small adapter that connects between a wireless device and wired ...

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Researchers say the University of Arizona will lose more than $8.5 million in unspent federal funds from the U.S. Agency for International Development after four of the agency's UA projects were ...

Prized among civilization for more than 5,000 years, gold’s role as a precious metal influences world commerce and stimulates exploration. Its symbol, AU, represents the Latin word for gold: aurum.

Abstract: For current-steering digital-to-analog converters (DACs), a technique utilizing dynamic-element-matching and digital return-to-zero, called DEMDRZ, is proposed to simultaneously suppress the ...