Digital audio & DACs

Understand digital playback, file formats, conversion and optical disc sources.

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Articles in Digital audio & DACs

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Lossless vs high-resolution audio: what each means

Lossless describes whether encoding preserves the digital audio samples supplied to it. High-resolution describes audio specifications, usually beyond the CD reference of 16-bit, 44.1 kHz PCM. These are separate properties. A lossless file can use CD resolution, while a higher-resolution label does not establish the original master, the playback route or an audible improvement.

Pure Neo editorialUpdated 4 Oct 2026

What is a DAC, and do you need an external one?

A DAC converts digital audio into an analog electrical signal. That function may already be inside your computer, amplifier or another playback device. An external DAC is useful when it supplies a connection or capability your system lacks. Identify the missing function or actual problem first; a digital source alone does not require another box.

Pure Neo editorialUpdated 4 Oct 2026