Re: [PD] audio interface with multiple ins on raspberry pi

[oliver]

Chris McCormick wrote:

Hey all,

Same question as the previous poster but I was wondering about inputs 
rather than outputs. Ideal solution:


  * USB.
  * Low cost.
  * More than 2 channels in.
  * Headphone sized jacks.
  * Works with Raspberry Pi

https://www.esi-audio.com/products/maya44usb+/

you should also be able to find its predecessor "maya44usb" on ebay etc. 
 for about 30$ (but this one has just cinch plugs.)


i used it recently in an installation and it worked very fine. also low 
on the CPU


Best

oliver





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[PD] audio interface with multiple ins on raspberry pi

[Chris McCormick]

Hey all,

Same question as the previous poster but I was wondering about inputs 
rather than outputs. Ideal solution:


 * USB.
 * Low cost.
 * More than 2 channels in.
 * Headphone sized jacks.
 * Works with Raspberry Pi.

I've searched but could not find such a beast. Any hints?

Cheers,

Chris.


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Re: [PD] audio interface with multiple outs on raspberry pi

[Thomas Grill]

Hi all,
i have used this one:
http://logilink.org/showproduct/UA0099.htm
for installations. It has worked very stable literally running for years.
It has 8 equivalent outputs and 2 inputs. It sells under different brand names 
with basically the same look and functionality.
Audio quality with all such devices is low unless you source it with a separate 
filtered power supply (over powered hub).
best, Thomas

> Am 05.10.2020 um 18:02 schrieb Miller Puckette via Pd-list 
> :
> 
> Looks like it's a StarTech "ICUSBAUDIO7D".  They say $50 list but I got them
> much cheaper than that.
> 
> cheers
> M
> 
> On Mon, Oct 05, 2020 at 10:33:37AM -0500, Jaime Oliver wrote:
>> do you remember what model they were? I've had bad luck with 7.1
>> interfaces... did they have any inputs?
>> best,
>> J
>> 
>> On Mon, Oct 5, 2020 at 10:29 AM Miller Puckette via Pd-list <
>> pd-list@lists.iem.at> wrote:
>> 
>>> Yep.  Three were Pi 1s which I think couldn't have powered more than one
>>> interface.  I thin kyou could hang two or more off a Pi 4, but there won't
>>> be any way to sync the audio so you'll want to run separate instences of Pd
>>> or else enjoy the occasional audio resync-click.
>>> 
>>> cheers
>>> M
>>> 
>>> On Mon, Oct 05, 2020 at 08:13:17AM +0200, Peter P. wrote:
 * Miller Puckette via Pd-list  [2020-10-02 17:31]:
> I've used startech "7.1" interfaces (USB powered) with Pis.  The "1"
>>> is the
> same electronics as teh "7" - it's really just an 8ch output.  It has
>>> 1/8"
> connectors which won't age well but it's only $25 or so.  I ended up
> buying 5 for an installation.
 Running on different Pis I assume?
 
 thanks, P
 
 
 
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>> --
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>> Jaime E Oliver LR
>> https://urldefense.com/v3/__http://www.jaimeoliver.pe__;!!Mih3wA!TENuyzplw3ontLoTtIYrEdz9i_tOdxoC_KoMw3-3G0yxg7UkUY0CEbruTcSJ$
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Re: [PD] Startup times to run Pd patch on Raspberry Pi

[Thomas Grill]

Hi all,
i am a big fan of the piCore os. [1]
That is a stripped down read-only linux distro with loadable modules for alsa, 
pure data etc..
Boot times are considerable shorter than with raspbian.
Of course it also needs some dedication to get used with it.

I have compiled pd, jack and libfftw3 for piCore 11, to be found here:
https://g.org/data/dev/picore/piCore-11/

best, Thomas

[1] http://tinycorelinux.net/11.x/armv6/releases/RPi/

> Am 05.10.2020 um 17:05 schrieb Martin Peach :
> 
> It takes about a minute for the pi to boot. There is not much you can
> do about that.
> 
> Martiin
> 
> On Mon, Oct 5, 2020 at 11:03 AM Yann Seznec  wrote:
>> 
>> Hi everyone, long time reader first time writer.
>> 
>> I’m wondering what people’s experiences are with regards to the startup time 
>> for running a patch on a raspberry pi.
>> 
>> For various reasons I’ve started to use Patchbox OS to auto-run my patches 
>> on startup, which is very reliable and consistent however it usually takes 
>> about 60 seconds from switching on to making sound. This is on various 
>> models of Raspberry Pi 3.
>> 
>> Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps 
>> that is significantly faster?
>> 
>> Thanks,
>> Yann
>> 
>> 
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Re: [PD] Startup times to run Pd patch on Raspberry Pi

[Giulio Moro via Pd-list]

Never used one, but you can try tweaking the "After" or "Requires" parameter in 
the systemd script. On Bela, this commit cut down the power-to-sound time from 18 to 10 seconds 
(and there's room for improvement):
https://github.com/BelaPlatform/bela-image-builder/commit/a85b82b526f3529523b9b67a706ff2cda47539c4#diff-606dc24f4e7da91386681db20c65038b

(note that the comments in modules.conf that I added in that commit shouldn't 
be there, because they actually make the whole line invalid!)


wolfgang spahn wrote:

Hi Yann,

to make the boot-up time shorter one can run the Raspberry Pi without Desktop 
and start PD without GUI from terminal, that saves a lot of CPU power, too.

Best!
Wolfgang


Am 05.10.20 um 16:08 schrieb Yann Seznec:

Hi everyone, long time reader first time writer.

I’m wondering what people’s experiences are with regards to the startup time 
for running a patch on a raspberry pi.

For various reasons I’ve started to use Patchbox OS to auto-run my patches on 
startup, which is very reliable and consistent however it usually takes about 
60 seconds from switching on to making sound. This is on various models of 
Raspberry Pi 3.

Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps that 
is significantly faster?

Thanks,
Yann


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Re: [PD] Startup times to run Pd patch on Raspberry Pi

[wolfgang spahn]

Hi Yann,

to make the boot-up time shorter one can run the Raspberry Pi without 
Desktop and start PD without GUI from terminal, that saves a lot of CPU 
power, too.


Best!
Wolfgang


Am 05.10.20 um 16:08 schrieb Yann Seznec:

Hi everyone, long time reader first time writer.

I’m wondering what people’s experiences are with regards to the startup time 
for running a patch on a raspberry pi.

For various reasons I’ve started to use Patchbox OS to auto-run my patches on 
startup, which is very reliable and consistent however it usually takes about 
60 seconds from switching on to making sound. This is on various models of 
Raspberry Pi 3.

Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps that 
is significantly faster?

Thanks,
Yann


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Re: [PD] audio interface with multiple outs on raspberry pi

[Miller Puckette via Pd-list]

Looks like it's a StarTech "ICUSBAUDIO7D".  They say $50 list but I got them
much cheaper than that.

cheers
M

On Mon, Oct 05, 2020 at 10:33:37AM -0500, Jaime Oliver wrote:
> do you remember what model they were? I've had bad luck with 7.1
> interfaces... did they have any inputs?
> best,
> J
> 
> On Mon, Oct 5, 2020 at 10:29 AM Miller Puckette via Pd-list <
> pd-list@lists.iem.at> wrote:
> 
> > Yep.  Three were Pi 1s which I think couldn't have powered more than one
> > interface.  I thin kyou could hang two or more off a Pi 4, but there won't
> > be any way to sync the audio so you'll want to run separate instences of Pd
> > or else enjoy the occasional audio resync-click.
> >
> > cheers
> > M
> >
> > On Mon, Oct 05, 2020 at 08:13:17AM +0200, Peter P. wrote:
> > > * Miller Puckette via Pd-list  [2020-10-02 17:31]:
> > > > I've used startech "7.1" interfaces (USB powered) with Pis.  The "1"
> > is the
> > > > same electronics as teh "7" - it's really just an 8ch output.  It has
> > 1/8"
> > > > connectors which won't age well but it's only $25 or so.  I ended up
> > > > buying 5 for an installation.
> > > Running on different Pis I assume?
> > >
> > > thanks, P
> > >
> > >
> > >
> > > ___
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> >
> >
> >
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> >  
> >
> 
> 
> -- 
> **
> Jaime E Oliver LR
> https://urldefense.com/v3/__http://www.jaimeoliver.pe__;!!Mih3wA!TENuyzplw3ontLoTtIYrEdz9i_tOdxoC_KoMw3-3G0yxg7UkUY0CEbruTcSJ$
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Re: [PD] audio interface with multiple outs on raspberry pi

[Jaime Oliver]

do you remember what model they were? I've had bad luck with 7.1
interfaces... did they have any inputs?
best,
J

On Mon, Oct 5, 2020 at 10:29 AM Miller Puckette via Pd-list <
pd-list@lists.iem.at> wrote:

> Yep.  Three were Pi 1s which I think couldn't have powered more than one
> interface.  I thin kyou could hang two or more off a Pi 4, but there won't
> be any way to sync the audio so you'll want to run separate instences of Pd
> or else enjoy the occasional audio resync-click.
>
> cheers
> M
>
> On Mon, Oct 05, 2020 at 08:13:17AM +0200, Peter P. wrote:
> > * Miller Puckette via Pd-list  [2020-10-02 17:31]:
> > > I've used startech "7.1" interfaces (USB powered) with Pis.  The "1"
> is the
> > > same electronics as teh "7" - it's really just an 8ch output.  It has
> 1/8"
> > > connectors which won't age well but it's only $25 or so.  I ended up
> > > buying 5 for an installation.
> > Running on different Pis I assume?
> >
> > thanks, P
> >
> >
> >
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>
>
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Re: [PD] audio interface with multiple outs on raspberry pi

[Miller Puckette via Pd-list]

Yep.  Three were Pi 1s which I think couldn't have powered more than one
interface.  I thin kyou could hang two or more off a Pi 4, but there won't
be any way to sync the audio so you'll want to run separate instences of Pd
or else enjoy the occasional audio resync-click.

cheers
M

On Mon, Oct 05, 2020 at 08:13:17AM +0200, Peter P. wrote:
> * Miller Puckette via Pd-list  [2020-10-02 17:31]:
> > I've used startech "7.1" interfaces (USB powered) with Pis.  The "1" is the
> > same electronics as teh "7" - it's really just an 8ch output.  It has 1/8"
> > connectors which won't age well but it's only $25 or so.  I ended up
> > buying 5 for an installation.
> Running on different Pis I assume?
> 
> thanks, P
> 
> 
> 
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Re: [PD] Startup times to run Pd patch on Raspberry Pi

[Martin Peach]

It takes about a minute for the pi to boot. There is not much you can
do about that.

Martiin

On Mon, Oct 5, 2020 at 11:03 AM Yann Seznec  wrote:
>
> Hi everyone, long time reader first time writer.
>
> I’m wondering what people’s experiences are with regards to the startup time 
> for running a patch on a raspberry pi.
>
> For various reasons I’ve started to use Patchbox OS to auto-run my patches on 
> startup, which is very reliable and consistent however it usually takes about 
> 60 seconds from switching on to making sound. This is on various models of 
> Raspberry Pi 3.
>
> Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps 
> that is significantly faster?
>
> Thanks,
> Yann
>
>
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[PD] Startup times to run Pd patch on Raspberry Pi

[Yann Seznec]

Hi everyone, long time reader first time writer.

I’m wondering what people’s experiences are with regards to the startup time 
for running a patch on a raspberry pi.

For various reasons I’ve started to use Patchbox OS to auto-run my patches on 
startup, which is very reliable and consistent however it usually takes about 
60 seconds from switching on to making sound. This is on various models of 
Raspberry Pi 3. 

Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps that 
is significantly faster?

Thanks,
Yann


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[PD] Startup times to run Pd patch on Raspberry Pi

[Yann Seznec]

Hi everyone, long time reader first time writer.

I’m wondering what people’s experiences are with regards to the startup time 
for running a patch on a raspberry pi.

For various reasons I’ve started to use Patchbox OS to auto-run my patches on 
startup, which is very reliable and consistent however it usually takes about 
60 seconds from switching on to making sound. This is on various models of 
Raspberry Pi 3. 

Has anyone managed to speed this up? I haven’t tried the Raspi 4, perhaps that 
is significantly faster?

Thanks,
Yann


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[PD] hidpi linux

[cyrille henry]

hello,
I had a problem with hidpi screen on linux (ubuntu mate, 20.04):

everything looks good using a 4K screen, everything is also ok when using only 
one 1920x1080 screen, but pd (and only pd) use very big font when using both 
screen in the same time.
The solution was to set dpi with : "xrandr --dpi 80" in a terminal
this fix pd resolution.
I just send this information here since there are few mail about hidpi in this 
list with no answer.

hope it will help other
cheers
Cyrille



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Re: [PD] audio interface with multiple outs on raspberry pi

[Peter P.]

* Miller Puckette via Pd-list  [2020-10-02 17:31]:
> I've used startech "7.1" interfaces (USB powered) with Pis.  The "1" is the
> same electronics as teh "7" - it's really just an 8ch output.  It has 1/8"
> connectors which won't age well but it's only $25 or so.  I ended up
> buying 5 for an installation.
Running on different Pis I assume?

thanks, P



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