[LAU] Small instrument hardware module

Carlos sanchiavedraz csanchezgs at gmail.com
Tue Oct 21 09:41:06 UTC 2014


2014-10-21 11:37 GMT+02:00 Patrick Shirkey <pshirkey at boosthardware.com>:

>
> On Tue, October 21, 2014 8:27 pm, Carlos sanchiavedraz wrote:
> > 2014-10-20 17:10 GMT+02:00 Patrick Shirkey <pshirkey at boosthardware.com>:
> >
> >>
> >> On Mon, October 20, 2014 10:59 pm, Jeremy Jongepier wrote:
> >> > On 10/20/2014 11:34 AM, Atte wrote:
> >> >> Dunno about jack, but it seems interesting! However I can't seem to
> >> find
> >> >> any prices...
> >> >
> >> > These devices are fairly cheap starting from about $50:
> >> >
> >>
> http://www.dx.com/p/ditter-u20-dual-core-android-4-2-google-tv-hd-player-w-1gb-ram-4gb-rom-hdmi-black-300969#.VET43IXSWAs
> >> >
> >>
> >> If you want something that is relatively cheap that can run pianoteq,
> >> linuxsampler, etc... then you should look into the Intel NUC range.
> >>
> >> They provide a very nice piece of gear for a stand alone solution and
> >> decent responsive support via the OTC forums. I requested a change to
> >> the
> >> BIOS and they did it for me as an update.
> >>
> >> I have had one for several months as a head for my home entertainment
> >> center and it is working very well. Yesterday I did some edits with
> >> ardour2. All I had to do was "apt-get install ardour".
> >>
> >> It's not $50 but it is less than $300 for a complete 64 bit x86 solution
> >> including RAM/HDD/SSD. The case is brushed aluminium and it is very
> >> robust. If you get an SSD it is nearly 100% solid state apart from the
> >> CPU
> >> fan which is almost noiseless.
> >>
> >> My (cheap) home stereo speaker system generates more noise than the fan
> >> and I have it running 24/7 for net streaming to TV with full 1080p over
> >> hdmi.
> >>
> >> Saves all the hassle of learning how to cross compile and the general
> >> issues associated with developing for ARM.
> >>
> >> I tried several other options before settling on this one. They were
> >> cheaper but also more frustrating.
> >>
> >> Intel are catching up on ARM these days with the 16/14/12nm fab process.
> >>
> >> > That's one of the cheapest I could find with an Allwinner A20 chipset.
> >> > Better would be to get something like a Cubieboard.
> >> >
> >>
> >> --
> >> Patrick Shirkey
> >> Boost Hardware Ltd
> >> _______________________________________________
> >> Linux-audio-user mailing list
> >> Linux-audio-user at lists.linuxaudio.org
> >> http://lists.linuxaudio.org/listinfo/linux-audio-user
> >>
> >
> > That about Intel NUC range sounds really interesting. Which device do you
> > have, Patrick? I guess the possibilities are one of these:
> > http://techpartner.intel.com/campaigns/nuc/
> >
>
> I got the cheapest one at the time which was the DNY2820FKH. It has a dual
> core celeron and 4GB RAM. I think it can take up to 16GB.
>
> > Apart from running Ardour, what about RT and IRQs and that stuff?
> > Thanks Patrick.
> >
>
> The rt config is in place but I haven't really pushed it for audio
> generation yet. It runs electricsheep and full 1080p video/audio without
> any issues. I can get about 30fps with 1080p which is decent for viewing
> but not fast enough for competitive playing.
>
> Here is cat /proc/interrupts
>            CPU0       CPU1
>   0:         26          0   IO-APIC-edge      timer
>   1:          2          0   IO-APIC-edge      i8042
>   8:          1          0   IO-APIC-fasteoi   rtc0
>   9:          0          0   IO-APIC-fasteoi   acpi
>  10:   10801372          0   IO-APIC-edge      ite-cir
>  12:          4          0   IO-APIC-edge      i8042
> 103:    1018511          0   PCI-MSI-edge      xhci_hcd
> 104:    7418719          0   PCI-MSI-edge      ahci
> 105:  113014233          0   PCI-MSI-edge      eth0
> 106:  216595760          0   PCI-MSI-edge      i915
> 107:        373    1604714   PCI-MSI-edge      iwlwifi
> 108:    1368299          0   PCI-MSI-edge      snd_hda_intel
> NMI:      48085      47493   Non-maskable interrupts
> LOC:  383351941  317871495   Local timer interrupts
> SPU:          0          0   Spurious interrupts
> PMI:      48085      47493   Performance monitoring interrupts
> IWI:    4051038    6083943   IRQ work interrupts
> RTR:          0          0   APIC ICR read retries
> RES:   69587463   71022804   Rescheduling interrupts
> CAL:        427        487   Function call interrupts
> TLB:    1192097    1158476   TLB shootdowns
> TRM:          0          0   Thermal event interrupts
> THR:          0          0   Threshold APIC interrupts
> MCE:          0          0   Machine check exceptions
> MCP:       2904       2904   Machine check polls
> ERR:          0
> MIS:          0
>
>
>
>
>
>
> --
> Patrick Shirkey
> Boost Hardware Ltd
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-user
>

Thanks!

It'll be great if it runs Debian/Musix and if it could be configured for RT
audio.

-- 

C. sanchiavedraZ:
* NEW / NUEVO:     www.sanchiavedraZ.com
* Musix GNU+Linux: www.musix.es
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxaudio.org/pipermail/linux-audio-user/attachments/20141021/dbc9714a/attachment.html>


More information about the Linux-audio-user mailing list