Umm... Or you could just buy an outboard sound module like the Emu 1820 (or
a number of others) which has it's own processor that handles all DSP data
so your CPU is left relaxed... I have just about zero latency with the thing
fully loaded with effects and synths...
On Sun, Aug 28, 2011 at 5:43 AM,
<lmms-users-requ...@lists.sourceforge.net>wrote:
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> 1. Re: Annoying time delay on MIDI in (Jonathan Aquilina)
> 2. Re: Annoying time delay on MIDI in (Nikos Chantziaras)
> 3. Re: Annoying time delay on MIDI in (Nikos Chantziaras)
> 4. Re: Annoying time delay on MIDI in (David Gerard)
> 5. Re: Annoying time delay on MIDI in (Nikos Chantziaras)
> 6. Re: Annoying time delay on MIDI in (David Gerard)
> 7. Re: Annoying time delay on MIDI in (Arnout Engelen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 27 Aug 2011 20:54:22 +0200
> From: Jonathan Aquilina <eagles051...@gmail.com>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: Nikos Chantziaras <rea...@arcor.de>
> Cc: lmms-users@lists.sourceforge.net
> Message-ID:
> <cahdpx629bdb5rmetnaxdwbxchhrw8uykec-ocz3sq3txj6g...@mail.gmail.com
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> nikos you can also get jack on windows too
>
> On Sat, Aug 27, 2011 at 7:08 PM, Nikos Chantziaras <rea...@arcor.de>
> wrote:
>
> > On 08/27/2011 05:08 PM, David Gerard wrote:
> > > So, I've hooked my girlfriend's cheap'n'cheerful Casio keyboard
> > > (CTK-2100) to my netbook running LMMS 0.4.10.
> > >
> > > The MIDI input works great ... unfortunately, it has an annoying time
> > > delay of something like 1/8 or 1/16 second on input. This is enough to
> > > make trying to record to piano-roll from MIDI very annoying and
> > > difficult.
> > >
> > > What would be causing this? Does anyone else get this? Is there any
> > > way to disable it? Is it actually the keyboard itself?
> >
> > This is a problem everyone has on all operating systems. It's called
> > "latency". If you're on Linux, you solve that by using JACK instead of
> > ALSA or PulseAudio. To bring latency down even further, you then either
> > use an RT kernel (overkill) or a standard kernel patched with BFS
> > (recommended.)
> >
> > If you're on Windows, you need to install an ASIO driver for your sound
> > card. If there isn't one, you can use the asio4all driver (google it.)
> > But I don't know if LMMS supports ASIO. If not, you will have to live
> > with the latency and there's nothing you can do short of using something
> > other than LMMS.
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> > EMC VNX: the world's simplest storage, starting under $10K
> > The only unified storage solution that offers unified management
> > Up to 160% more powerful than alternatives and 25% more efficient.
> > Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
> > _______________________________________________
> > Lmms-users mailing list
> > Lmms-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/lmms-users
> >
>
>
>
> --
> Jonathan Aquilina
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
> Message: 2
> Date: Sat, 27 Aug 2011 22:36:39 +0300
> From: Nikos Chantziaras <rea...@arcor.de>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: lmms-users@lists.sourceforge.net
> Message-ID: <j3bgv6$nbq$1...@dough.gmane.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Can it use ASIO? Because otherwise it won't do much latency-wise.
>
> On 08/27/2011 09:54 PM, Jonathan Aquilina wrote:
> > nikos you can also get jack on windows too
> >
> > On Sat, Aug 27, 2011 at 7:08 PM, Nikos Chantziaras <rea...@arcor.de
> > <mailto:rea...@arcor.de>> wrote:
> >
> > On 08/27/2011 05:08 PM, David Gerard wrote:
> > > So, I've hooked my girlfriend's cheap'n'cheerful Casio keyboard
> > > (CTK-2100) to my netbook running LMMS 0.4.10.
> > >
> > > The MIDI input works great ... unfortunately, it has an annoying
> time
> > > delay of something like 1/8 or 1/16 second on input. This is
> > enough to
> > > make trying to record to piano-roll from MIDI very annoying and
> > > difficult.
> > >
> > > What would be causing this? Does anyone else get this? Is there
> any
> > > way to disable it? Is it actually the keyboard itself?
> >
> > This is a problem everyone has on all operating systems. It's called
> > "latency". If you're on Linux, you solve that by using JACK instead
> of
> > ALSA or PulseAudio. To bring latency down even further, you then
> either
> > use an RT kernel (overkill) or a standard kernel patched with BFS
> > (recommended.)
> >
> > If you're on Windows, you need to install an ASIO driver for your
> sound
> > card. If there isn't one, you can use the asio4all driver (google
> it.)
> > But I don't know if LMMS supports ASIO. If not, you will have to
> live
> > with the latency and there's nothing you can do short of using
> something
> > other than LMMS.
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 27 Aug 2011 22:49:39 +0300
> From: Nikos Chantziaras <rea...@arcor.de>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: lmms-users@lists.sourceforge.net
> Message-ID: <j3bhni$rmt$1...@dough.gmane.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 08/27/2011 10:36 PM, Nikos Chantziaras wrote:
> > Can [JACK] use ASIO? Because otherwise it won't do much latency-wise.
>
> OK, it seems it does. So to the OP, go here:
>
> http://www.asio4all.com/
>
> Download and install the driver. Then go here:
>
> http://jackaudio.org/download
>
> Download the Windows installer, run JACK, configure it to use ASIO, then
> configure LMMS to use JACK, and restart it.
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Sat, 27 Aug 2011 22:37:33 +0100
> From: David Gerard <dger...@gmail.com>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: lmms-users@lists.sourceforge.net
> Message-ID:
> <caj0tu1glrmaq+ch3i65islttmr3briuovp_kkvsvqvzo4vp...@mail.gmail.com
> >
> Content-Type: text/plain; charset=UTF-8
>
> On 27 August 2011 20:49, Nikos Chantziaras <rea...@arcor.de> wrote:
> > On 08/27/2011 10:36 PM, Nikos Chantziaras wrote:
>
> >> Can [JACK] use ASIO? ?Because otherwise it won't do much latency-wise.
>
> > OK, it seems it does. ?So to the OP, go here:
> > http://www.asio4all.com/
> > Download and install the driver. ?Then go here:
> > http://jackaudio.org/download
> > Download the Windows installer, run JACK, configure it to use ASIO, then
> > configure LMMS to use JACK, and restart it.
>
>
> *cough* the OP (me) is doing this on Ubuntu, not Windows ;-)
>
> I used JACK before when I was trying to get Rosegarden to work.
> Horrible fiddly thing. The netbook could barely cope with Rosegarden,
> JACK and Qsynth. (Yeah yeah, I should get a real computer.)
>
> So, MIDI is routed through the sound driver before it gets to LMMS,
> then? How annoying.
>
>
> - d.
>
>
>
> ------------------------------
>
> Message: 5
> Date: Sun, 28 Aug 2011 01:11:56 +0300
> From: Nikos Chantziaras <rea...@arcor.de>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: lmms-users@lists.sourceforge.net
> Message-ID: <j3bq2b$i28$1...@dough.gmane.org>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> On 08/28/2011 12:37 AM, David Gerard wrote:
> > On 27 August 2011 20:49, Nikos Chantziaras<rea...@arcor.de> wrote:
> >> On 08/27/2011 10:36 PM, Nikos Chantziaras wrote:
> >
> >>> Can [JACK] use ASIO? Because otherwise it won't do much latency-wise.
> >
> >> OK, it seems it does. So to the OP, go here:
> >> http://www.asio4all.com/
> >> Download and install the driver. Then go here:
> >> http://jackaudio.org/download
> >> Download the Windows installer, run JACK, configure it to use ASIO, then
> >> configure LMMS to use JACK, and restart it.
> >
> >
> > *cough* the OP (me) is doing this on Ubuntu, not Windows ;-)
> >
> > I used JACK before when I was trying to get Rosegarden to work.
> > Horrible fiddly thing. The netbook could barely cope with Rosegarden,
> > JACK and Qsynth. (Yeah yeah, I should get a real computer.)
> >
> > So, MIDI is routed through the sound driver before it gets to LMMS,
> > then? How annoying.
>
> No. It gets to LMMS first. But "latency" is the delay it takes for
> LMMS to get the event and then to generate the sound that event should
> produce and then it takes additional time for the sound to reach the
> hardware (sound card).
>
> I'd recommend JACK2 with the QjackCtl GUI to control it. It's very
> easy. The only tweaks that affect performance are "Frames/Period" and
> "Periods/Buffer". Try 64 and 2. Raise one of them if the system can't
> keep up.
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Sat, 27 Aug 2011 23:39:28 +0100
> From: David Gerard <dger...@gmail.com>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: lmms-users@lists.sourceforge.net
> Message-ID:
> <caj0tu1fsuvedma-drxvoxe5hasoj5cbd-uoujn5zyjprcio...@mail.gmail.com
> >
> Content-Type: text/plain; charset=UTF-8
>
> On 27 August 2011 23:11, Nikos Chantziaras <rea...@arcor.de> wrote:
> > On 08/28/2011 12:37 AM, David Gerard wrote:
>
> >> So, MIDI is routed through the sound driver before it gets to LMMS,
> >> then? How annoying.
>
> > No. ?It gets to LMMS first. ?But "latency" is the delay it takes for
> > LMMS to get the event and then to generate the sound that event should
> > produce and then it takes additional time for the sound to reach the
> > hardware (sound card).
>
>
> This does not match what I'm observing: a delay in notes being written
> to the piano roll, not just a delay in the sound of the notes being
> played.
>
> (Unless LMMS insists on starting playing the note before adding it to
> the piano roll ...)
>
>
> - d.
>
>
>
> ------------------------------
>
> Message: 7
> Date: Sun, 28 Aug 2011 11:43:29 +0200
> From: Arnout Engelen <l...@bzzt.net>
> Subject: Re: [Lmms-users] Annoying time delay on MIDI in
> To: David Gerard <dger...@gmail.com>
> Cc: lmms-users@lists.sourceforge.net
> Message-ID: <20110828094329.gb...@bzzt.net>
> Content-Type: text/plain; charset=us-ascii
>
> On Sat, Aug 27, 2011 at 11:39:28PM +0100, David Gerard wrote:
> > On 27 August 2011 23:11, Nikos Chantziaras <rea...@arcor.de> wrote:
> > > "latency" is the delay it takes for
> > > LMMS to get the event and then to generate the sound that event should
> > > produce and then it takes additional time for the sound to reach the
> > > hardware (sound card).
> >
> > This does not match what I'm observing: a delay in notes being written
> > to the piano roll, not just a delay in the sound of the notes being
> > played.
>
> To check whether the latency is introduced in LMMS or somewhere earlier in
> the stack, hook up a MIDI monitor like KMidiMon to see if the events do
> arrive directly.
>
> I don't see how switching to JACK would help in this particular case.
>
> To take LMMS out of the equation, try if the latency is also there when
> using
> Qsynth - it defaults to JACK, but it can also output ALSA.
>
> > (Unless LMMS insists on starting playing the note before adding it to
> > the piano roll ...)
>
> I don't know how LMMS works, but it would make sense to output the sound
> directly and postpone updating the GUI to whenever the system has some time
> to spare.
>
>
> Arnout
>
>
>
> ------------------------------
>
>
> ------------------------------------------------------------------------------
> EMC VNX: the world's simplest storage, starting under $10K
> The only unified storage solution that offers unified management
> Up to 160% more powerful than alternatives and 25% more efficient.
> Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
>
> ------------------------------
>
> _______________________________________________
> Lmms-users mailing list
> Lmms-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/lmms-users
>
>
> End of Lmms-users Digest, Vol 53, Issue 6
> *****************************************
>
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------------------------------------------------------------------------------
EMC VNX: the world's simplest storage, starting under $10K
The only unified storage solution that offers unified management
Up to 160% more powerful than alternatives and 25% more efficient.
Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
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