Making freebsd - pcbsd faster by changing the interrupt requests

[Hans Ruhe]

This one is very nice too. Music made by using Linux

http://linuxaudio.org/music/vol1


2014-07-20 12:54 GMT+02:00 Hans Ruhe <hansruhe1 at gmail.com>:

> Hello Hans Petter,
>
> This might be very usefull too: http://linuxaudio.org/members
>
> http://linuxaudio.org/about
>
> Best regards,
> Hans
>
>
> 2014-07-20 12:37 GMT+02:00 Hans Ruhe <hansruhe1 at gmail.com>:
>
> ps I am currently testing Logitech Picoplayer installed on a Raspberry PI
>> which will be part of the dac as it is happens to have an IS2 connection.
>> The DAC itself is already quite special as even Japanese hifi companies are
>> interested and flew to Germany where the Dutch developer is living. He is
>> working together with the tube designer and hifi journalist.
>>
>> http://www.dddac.com/  is his website. It is in English :-)
>>
>> Best regards,
>> Hans
>>
>>
>>
>>
>>
>> 2014-07-20 12:31 GMT+02:00 Hans Ruhe <hansruhe1 at gmail.com>:
>>
>> Hello Hans Petter,
>>>
>>> I am playing stereo. Primarily 16 bits 96khz and 24 bits 192khz. But I
>>> have albums that are sometimes better recorded on 16 bits than some 24 bit
>>> albums. So it is not always the case that higher sample rates are the
>>> better ones.
>>>
>>> Anyway, what I can hear is a much tighter bass, mid frequencies are
>>> therefore coming out better and the higher frequencies are better to listen
>>> to.
>>>
>>> I hope this was helpfull. Perhaps a peak at the Ubuntu project gives a
>>> better view of this: http://ubuntustudio.org/
>>>
>>> Best regards,
>>> Hans
>>>
>>>
>>> 2014-07-20 11:51 GMT+02:00 Hans Petter Selasky <hps at selasky.org>:
>>>
>>> On 07/20/14 11:09, Hans Ruhe wrote:
>>>>
>>>>> 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 ;-)
>>>>>
>>>>>
>>>> Hi,
>>>>
>>>> Some hardware devices have effects, like treble, base, 3D stereo, and
>>>> so on, which might be configured differently. Can you tell us at what
>>>> sample rates you are able to hear differences?
>>>>
>>>> --HPS
>>>>
>>>>
>>>
>>
>