Date: Sun, 20 Jul 2014 11:09:30 +0200 From: Hans Ruhe <hansruhe1@gmail.com> To: freebsd-multimedia@freebsd.org Subject: Making freebsd - pcbsd faster by changing the interrupt requests Message-ID: <CABeOOu=buvGOV4YEBqr7z6-fN0EiMnYEuC0Rh0O1Av1RdKwA-w@mail.gmail.com>
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Hello everybody, I am testing for PCBSD primarily but I am also testing with a hifi journalist, tube amplifier designer. This is the website: http://www.audio-creative.nl/ Mind you it is mostly in Dutch but some parts are in English. They recently started to sell kits like a dac and a tube phono amplifier. Mind you this guy has a University degree in electronics and the firm he works for make parts for ASML which sells machines for Intel, Samsung etc to bake their processors. So it is a very high level of knowledge of electronics. Always looking for better sound, 2 months ago I came upon Ubuntu Studio, which projects uses real time latency and changing interrupt requests to make it faster and also to have those requests dealing with audio and movies a privilege above other ones. I am not that far that I exactly know what they do, but the fiddle in the kernel for that :-) Also I am not a developer ( i bought myself a Raspberry Pi to make the first steps though). This is only an idea, but would it be possible to do such a thing for freebsd and pcbsd as well ? I tested Ubuntu Studio with the use of Audacious and I could really hear a difference. I have a 3 way loudspeakersystem and a EL84 tube amplifier in Class A (yes it uses some more electricity but it really pays of enjoying music a lot more ;-) Best regards, Hans
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