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FreeBSD for hi-fi audio: real-time processing, equalizer, MPD and FFmpeg
High-quality sound in FreeBSD: system parameters, bitperfect signal, real-time operation, equalizer, MPD, FFmpeg filters.
This is a subject for a separate article, but if the problem has appeared, despite lengthy attempts with different delay parameters, buffers, debugging PCM devices and studying the mutual interference of individual components, I have so far not found a solution. Computer: Lenovo ThinkCentre M600 Tiny Thin Client N3010 2×1.04GHz 4GB 16GB SSD Storage: Seagate Expansion SSD 2TB USB DAC: Cambridge Audio DacMagic Plus (new capacitor path: Panasonic FM, ELNA for Audio; Tomanek power supply) USB cable: WireWorld ULTRAVIOLET 8 Headphone amplifier: Forum608 IV Dual Mono (Klasa A) RCA Interconnect: Audioquest Goldengate 0,6m Headphones: Beyerdynamic 990 Pro 250 Ohm, 990 Edition 600 Ohm Quite an important parameter indicating an increase in the precision of the software clocks used to synchronise process wake-up, minimising the number of times the processor is forced to perform a relatively expensive operation to enter and exit idle states.
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