[linux-audio-user] Reverb

Just chiming in on the reverb subject.

I have Pro Tools and Digital Performer with a host of stock and VST reverbs but
I like my linux reverbs an awful lot. The ladspa version of Gverb is nice I
think but one of the best, though you have to process it off line, is from DAP.
http://www.cee.hw.ac.uk/~richardk/

I like to make a separate stereo track of my carefully tweaked DAP track and mix
it in with the original.

Just my $.02.

Matt

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> Today's Topics:
>
> 1. Re: M audio delta 44 (David)
> 2. RE: RME Multiface with ALSA 1.08 (Ivica Ico Bukvic)
> 3. Re: Decent reverb, and DSP in hardware? (Joe Hartley)
> 4. Re: Decent reverb, and DSP in hardware? (Jon Morin)
> 5. Re: Decent reverb, and DSP in hardware? (Steve Harris)
> 6. Re: dssi segfault (Walco)
> 7. Re: Decent reverb, and DSP in hardware? (Mark Constable)
> 8. Re: RME Multiface with ALSA 1.08 (Christian Schumann)
> 9. Re: Decent reverb, and DSP in hardware? (Steve Harris)
> 10. RE: RME Multiface with ALSA 1.08 (Frank smith)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 26 Jan 2005 01:25:24 +0100
> From: David <dplist@email-addr-hidden>
> Subject: Re: [linux-audio-user] M audio delta 44
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Cc: eviltwin69@email-addr-hidden
> Message-ID: <20050126012524.52276f6c.dplist@email-addr-hidden>
> Content-Type: text/plain; charset=US-ASCII
>
> On Tue, 25 Jan 2005 18:21:23 -0500
> Eric Dantan Rzewnicki <rzewnickie@email-addr-hidden> wrote:
>
> > On Tue, Jan 25, 2005 at 10:07:34AM +0000, Tobiah wrote:
> > > >If you wonder why
> > > >the 1010lt is so much cheaper per channel: it has the DA/AD's on
> > > >board while the 44, 66 and 1010 [without lt] have them in a
> > > >breakout box which should help keeping noise out..
> >
> > I'm pretty sure the da/ad on my 66 lives on the pci card.
>
> You're right. And the optional Omni I/O preamp/breakout box is an
> analog-only device, like a miniature mixer.
>
> It works great here in my system, thanks to the ALSA developpers and
> the fine attitude of the manufacturer.
>
> > But, I only make noise, so I can't say anything about how much that
> > detail affects the quality of my work.
> > --
> > Eric Dantan Rzewnicki | Systems Engineer I
> > Technical Operations Division | Radio Free Asia
>
> Have a nice day.
>
> --
> David
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 25 Jan 2005 20:46:45 -0500
> From: "Ivica Ico Bukvic" <ico@email-addr-hidden>
> Subject: RE: [linux-audio-user] RME Multiface with ALSA 1.08
> To: <Martin.Wohlleben@email-addr-hidden>, "'A list for linux audio users'"
> <linux-audio-user@email-addr-hidden>
> Message-ID: <20050126014303.RRBB4914.gx5.fuse.net@email-addr-hidden>
> Content-Type: text/plain; charset="windows-1250"
>
> Similar problem here except probably worse. Nando has also reported similar
> issues on alsa-devel list. I'd suggest voicing your concerns there as to the
> best of my knowledge the hdsp stuff is broken in 1.0.8.
>
> Best wishes,
>
> Ivica Ico Bukvic, composer & multimedia sculptor
> http://meowing.ccm.uc.edu/~ico/
>
>
> > -----Original Message-----
> > From: linux-audio-user-bounces@email-addr-hidden [mailto:linux-audio-
> > user-bounces@email-addr-hidden] On Behalf Of Martin Wohlleben
> > Sent: Tuesday, January 25, 2005 1:15 PM
> > To: A list for linux audio users
> > Subject: [linux-audio-user] RME Multiface with ALSA 1.08
> >
> > Hello,
> >
> > is anybody using ALSA 1.08 with a RME Multiface over Cardbus interface?
> > I'm currently working with a SUSE Kernel 2.6.5 and tried a SUSE Kernel
> > 2.6.8
> > too.
> > The Kernel 2.6.5 work's fine with ALSA 1.03 but after an upgrade to ALSA
> > 1.08
> > I got problems with the hdspmixer from alsa-tools.
> > The same problem occured with SuSE's 2.6.8 Kernel from SuSE 9.2 - even
> > without
> > an update to ALSA 1.08.
> > After the upgrade the peaks of the first 7 analog channels jitter and the
> > RMS
> > values (calculated by Multiface) aren't updated right.
> > The sound is ok but the hdspmixer problem is real annoying.
> >
> > Anybody who got his Multiface working with ALSA 1.08?
> >
> > --
> > No virus found in this incoming message.
> > Checked by AVG Anti-Virus.
> > Version: 7.0.300 / Virus Database: 265.7.4 - Release Date: 1/25/2005
> >
>
> --
> No virus found in this outgoing message.
> Checked by AVG Anti-Virus.
> Version: 7.0.300 / Virus Database: 265.7.4 - Release Date: 1/25/2005
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 25 Jan 2005 21:02:16 -0500
> From: Joe Hartley <jh@email-addr-hidden>
> Subject: Re: [linux-audio-user] Decent reverb, and DSP in hardware?
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <20050125210216.1b1a0e42.jh@email-addr-hidden>
> Content-Type: text/plain; charset=US-ASCII
>
> On Tue, 25 Jan 2005 09:28:56 -0800
> Florin Andrei <florin@email-addr-hidden> wrote:
> > Anyway, i'm pretty disappointed with the software reverbs available on
> > Linux. Myself, i resigned for the moment to hardware reverb:
> >
> > http://www.tcelectronic.com/M-OneXL
> >
> > It's not convolution but it's actually pretty damn good (and very
> > flexible).
>
> I still go to a rack of outboard gear for a number of my effects, including
> compression and reverb. I use a t.c. M300 which also has a multi-effect
> channel.
>
> > Anyway, yeah, we need much better reverbs on Linux. We're lagging behind
> > a lot in that area.
>
> There's been some good work done by folks so far, but yes, this is true.
> --
> ======================================================================
> Joe Hartley - UNIX/network Consultant - jh@email-addr-hidden
> Without deviation from the norm, "progress" is not possible. - FZappa
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 25 Jan 2005 22:30:21 -0500
> From: Jon Morin <jon.j.morin@email-addr-hidden>
> Subject: Re: [linux-audio-user] Decent reverb, and DSP in hardware?
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <89c1e77d0501251930590abef1@email-addr-hidden>
> Content-Type: text/plain; charset=US-ASCII
>
> I actually just started using ecasound, and it can do some pretty cool
> things. I'm still looking for that "perfect" reverb, but I'm
> constantly amazed by the depth and variety of audio software available
> for Linux. I do a lot of non-realtime stuff, so ecasound, csound,
> Audacity, apps like that are very useful to me. I love being able to
> script things like ecasound, and it's just awesome the number of ways
> (different ways from other platforms) that these tools can be used. I
> understand that audio on Linux is still a maturing platform, and my
> prediction is that in a year, I won't be wanting for much when it
> comes to my dream Linux studio. My hats off to all of the Linux audio
> developers.
>
> Jon
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 26 Jan 2005 08:32:22 +0000
> From: Steve Harris <S.W.Harris@email-addr-hidden>
> Subject: Re: [linux-audio-user] Decent reverb, and DSP in hardware?
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <20050126083222.GC18853@email-addr-hidden>
> Content-Type: text/plain; charset=us-ascii
>
> On Tue, Jan 25, 2005 at 07:16:42 +0000, Frank smith wrote:
> > Hi All
> >
> > Can we use VST plugins with any Linux apps?
>
> Only those that use a vst loading libarary or support dssi plugins.
>
> However this is not really a solution, your still running propreitary,
> windows code. One or the other is probably not too bad, but both? :)
>
> - Steve
>
>
> ------------------------------
>
> Message: 6
> Date: Wed, 26 Jan 2005 09:46:17 +0100
> From: Walco <walco-linux@email-addr-hidden--tree.net>
> Subject: Re: [linux-audio-user] dssi segfault
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <41F758D9.5020703@email-addr-hidden--tree.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Steve Harris wrote:
> > On Mon, Jan 24, 2005 at 02:46:08 -0800, Matthew Allen wrote:
> >
> >>I have been trying to get dssi up and running on my machine this
> >>afternoon and I have run into a snag. It appears to compile correctly
> >>(both CVS and tarballs). But whenever I try to do the tests I get a
> >>segfault. I know its some user error, but its difficult to track down
> >>with only a segfault.
> >>
> >>Is there a common mistake I am doing?
> >
> >
> > Segfaults are (almost) never due to user errors. Unless you did
> > something truely wierd or forced an install its the developers fault :)
> >
> > It could be that your system networking config is a bit odd. Verisons of
> > liblo < 0.16, which the DSSI test code depends on, segfaulted under some
> > condititons.
> >
> > Unfortunatly I cant remember the fix, but hopefully someone here can...
>
> IIRC, make sure that the name reported by hostname(1) is in the
> /etc/hosts file. Otherwise liblo would segfault when trying to launch a
> new server.
>
> Cheers,
> Walco
>
>
> ------------------------------
>
> Message: 7
> Date: Wed, 26 Jan 2005 18:52:38 +1000
> From: Mark Constable <markc@email-addr-hidden>
> Subject: Re: [linux-audio-user] Decent reverb, and DSP in hardware?
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <41F75A56.8020103@email-addr-hidden>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Steve Harris wrote:
> >>Can we use VST plugins with any Linux apps?
> >
> > Only those that use a vst loading libarary or support dssi plugins.
> >
> > However this is not really a solution, your still running propreitary,
> > windows code. One or the other is probably not too bad, but both? :)
>
> So what is the best path of action to ensure we have
> access to professional quality reverb sometime this
> century ?
>
> What are the possible options?
>
> --markc
>
>
> ------------------------------
>
> Message: 8
> Date: Wed, 26 Jan 2005 10:22:44 +0100
> From: Christian Schumann <schumann@email-addr-hidden-kl.de>
> Subject: Re: [linux-audio-user] RME Multiface with ALSA 1.08
> To: linux-audio-user@email-addr-hidden
> Message-ID: <20050126092244.GA28555@email-addr-hidden-5.physik.uni-kl.de>
> Content-Type: text/plain; charset=us-ascii
>
> On Tue, Jan 25, 2005 at 08:46:45PM -0500, Ivica Ico Bukvic wrote:
> > Similar problem here except probably worse. Nando has also reported similar
> > issues on alsa-devel list. I'd suggest voicing your concerns there as to
> the
> > best of my knowledge the hdsp stuff is broken in 1.0.8.
> I have my HDSP Digiface working with ALSA 1.0.8 under linux 2.4.27, but
> last night I tried to get it working with 2.6.11rc2-RT, which was to no
> positive result. So to me it seems that this is a compatibility issue
> with ALSA 1.0.8 and kernel 2.6, because it works with 2.4
>
> Regards
> Christian
>
> --
> ------------------------------------------------------------------------
> Dipl.-Phys. Christian Schumann |Technische Universitaet Kaiserslautern
> Mail: schumann@email-addr-hidden-kl.de | Fachbereich Physik
> Tel.: 0631/205-4842 | http://www.physik.uni-kl.de
> Fax.: 0631/205-3902 |
> Post: Erwin-Schroedinger-Strasse, D-67663 Kaiserslautern
> -------------------------------------------------------------------------
>
>
>
> ------------------------------
>
> Message: 9
> Date: Wed, 26 Jan 2005 09:34:13 +0000
> From: Steve Harris <S.W.Harris@email-addr-hidden>
> Subject: Re: [linux-audio-user] Decent reverb, and DSP in hardware?
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <20050126093413.GA19885@email-addr-hidden>
> Content-Type: text/plain; charset=us-ascii
>
> On Wed, Jan 26, 2005 at 06:52:38 +1000, Mark Constable wrote:
> > Steve Harris wrote:
> > >>Can we use VST plugins with any Linux apps?
> > >
> > >Only those that use a vst loading libarary or support dssi plugins.
> > >
> > >However this is not really a solution, your still running propreitary,
> > >windows code. One or the other is probably not too bad, but both? :)
> >
> > So what is the best path of action to ensure we have
> > access to professional quality reverb sometime this
> > century ?
>
> Well, I'm not a reverb expert, but my impression is that convolved reverbs
> are the way to go*. The actual code is relativly simple, and we allready
> have open source examples, and its possible for people with decent
> recording equimpent and access to spaces with interesting acoustics, or
> artificial reverb units to capture thier own impulses. They can also be
> synthsised using a method similar to raytracing.
>
> The downside is that the parameters you can control are very limited, and
> it burns quite a lot of CPU power, and there can be latency. The upside is
> that the sound can be very good.
>
> There is an obivious technique to prevent any latency problems, but bits
> of it are probably patented by Lake DSP, though the situation is a bit
> murky.
>
> If I had more time I'd like to take the code in brutefir and make it into
> a DSSI plugin with a simple dropdown select-an-impulse, set gain type
> interface.
>
> I have a sizeable library of impulses, but unfortuantly I dont know the
> provenance of many of them.
>
> - Steve
>
> * In the interests of full disclose, I have an addiction to convolution
> that should be decalred :)
>
>
> ------------------------------
>
> Message: 10
> Date: Wed, 26 Jan 2005 10:14:10 +0000
> From: Frank smith <hg@email-addr-hidden-links.net>
> Subject: RE: [linux-audio-user] RME Multiface with ALSA 1.08
> To: A list for linux audio users <linux-audio-user@email-addr-hidden>
> Message-ID: <1106734450.4660.12.camel@email-addr-hidden>
> Content-Type: text/plain
>
> HI I to had a the same problems with my RME card on Alsa and FC3.
> I can see the HDSP Icon on Gnome along with the config icon but it
> doesn't do anything.
>
> Cheers
> Bob
>
>
>
>
>
>
>
>
>
>
> On Tue, 2005-01-25 at 20:46 -0500, Ivica Ico Bukvic wrote:
> > Similar problem here except probably worse. Nando has also reported
> > similar
> > issues on alsa-devel list. I'd suggest voicing your concerns there as
> > to the
> > best of my knowledge the hdsp stuff is broken in 1.0.8.
> >
> > Best wishes,
> >
> > Ivica Ico Bukvic, composer & multimedia sculptor
> > http://meowing.ccm.uc.edu/~ico/
>
>
>
>
> ------------------------------
>
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>
> End of linux-audio-user Digest, Vol 16, Issue 115
> *************************************************
>
Received on Wed Jan 26 20:15:04 2005