General discussion of EcaSound multitrack audio editor

Joel Roth | 1 May 2011 21:00

Re: nama Can't call method "cget" on an undefined value at /usr/local/share/perl5/Audio/Nama/Graphical.pm line 1398

On Sat, Apr 30, 2011 at 10:03:13AM +0200, Per Sjoholm wrote:
> I get Can't call method "cget" on an undefined value 
> at /usr/local/share/perl5/Audio/Nama/Graphical.pm line 1398.

I've uploaded version Nama 1.074 to CPAN. It should be
downloadable sometime soon.

Let me know if it works for you.

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Joel Roth | 1 May 2011 22:07

Re: Latency compensation

On Sat, Apr 30, 2011 at 11:19:36AM -0700, Luis Pablo Gasparotto wrote:

> You're right Joel. But this compensation is for Ecasound
> buffers only, not for hardware related latencies which are
> hard calculate for Ecasound. I'm talking about to
> compensate these hardware latencies.

Luis, now that I understand, I think Ecasound users would
want that. 

I didn't get the part about -I and -O parameters for jackd.
'man jackd' doesn't describe this. Maybe I have the wrong
jackd?

Latency compensation is something I'd like for Nama, both
for effects and hardware.  

I just roughed in hardware latency compensation as you
described. (Since Nama is ready to generate a 'select' object
for any track if a region is defined, it is easy enough to
use add a select if there is a hardware latency.)

Regards,

Joel

> Best regards,
> Luis Pablo
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Andrea Capra | 2 May 2011 11:07

Opening a multichannel file with Pyeca

Hi,
I'm using with success ecasound for the playback of multichannel files but =
now I'm starting to write a simple python app.
Pyeca seems a perfect tool for my purpouse but when I try to open a multich=
annel file (32 channels) the file is recognized as a stereo file.
Here the simple commands I use:

e.command("cs-add play_chainsetup")
e.command("c-add 1st_chain")
e.command("ai-add" + path)
e.command("ao-add jack_auto,system")
e.command("cs-connect")

Using ecasound by terminal I'm able to set the number of channels with the =
option "-f" but in this case I don't know how to set the right number of ch=
annels.
Any suggestions?

Thanks a lot in advance.
Andrea Capra

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Joel Roth | 2 May 2011 11:17

Re: Opening a multichannel file with Pyeca

On Mon, May 02, 2011 at 09:07:21AM +0000, Andrea Capra wrote:
> 
> Hi,
> 
> I'm using with success ecasound for the playback of multichannel files but =
> now I'm starting to write a simple python app.
> Pyeca seems a perfect tool for my purpouse but when I try to open a multich=
> annel file (32 channels) the file is recognized as a stereo file.
> Here the simple commands I use:
> 
> e.command("cs-add play_chainsetup")
> e.command("c-add 1st_chain")
> e.command("ai-add" + path)
> e.command("ao-add jack_auto,system")
> e.command("cs-connect")
> 
> Using ecasound by terminal I'm able to set the number of channels with the =
> option "-f" but in this case I don't know how to set the right number of ch=
> annels.
> 
> Any suggestions?

Hi Andrea,

I'm ignorant of pyeca, but you can set the value for -f
using default-audio-format parameter in the .ecasoundrc
file, which pyeca will probably respect.

Joel

> Thanks a lot in advance.
> 
> Andrea Capra

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Joel Roth | 2 May 2011 11:29

Re: Opening a multichannel file with Pyeca

On Sun, May 01, 2011 at 11:17:25PM -1000, Joel Roth wrote:
> On Mon, May 02, 2011 at 09:07:21AM +0000, Andrea Capra wrote:
> > Using ecasound by terminal I'm able to set the number of channels with the =
> > option "-f" but in this case I don't know how to set the right number of ch=
> > annels.
> > 
> > Any suggestions?

'man ecasound-iam' has your answer:

cs-set-audio-format 'bits,channels,sample_rate'

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Andrea Capra | 2 May 2011 11:37

Re: Opening a multichannel file with Pyeca

Thanks a lot, it works!!!

Andrea

> Date: Sun, 1 May 2011 23:29:07 -1000
> From: joelz <at> pobox.com
> To: ecasound-list <at> lists.sourceforge.net
> Subject: Re: [ecasound] Opening a multichannel file with Pyeca
>
> On Sun, May 01, 2011 at 11:17:25PM -1000, Joel Roth wrote:
> > On Mon, May 02, 2011 at 09:07:21AM +0000, Andrea Capra wrote:
> > > Using ecasound by terminal I'm able to set the number of channels with the =
> > > option "-f" but in this case I don't know how to set the right number of ch=
> > > annels.
> > >
> > > Any suggestions?
>
> 'man ecasound-iam' has your answer:
>
> cs-set-audio-format 'bits,channels,sample_rate'
>
>
> --
> Joel Roth
>
> ------------------------------------------------------------------------------
> WhatsUp Gold - Download Free Network Management Software
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> acquisition cost and overall TCO of any competing solution.
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Kai Vehmanen | 5 May 2011 13:40

Re: Incomplete Playback

Hi,

On Tue, 1 Feb 2011, Kai Vehmanen wrote:

> On Thu, 27 Jan 2011, dougf <at> people.net.au wrote:
>> They seem to be correctly recorded in that they will play completely in 
>> software such as mplayer.  However I cannot seem to get them to play in 
>> full either using the control interface via my program or indeed using 
>> ecosound in interactive mode.
>
> I'm afraid you've hit this old issue:
> http://www.eca.cx/ecasound-list/2008/07/0048.html
>
> There is some progress since then (there's now a proper end-of-stream
> marker implemented), but the draining is still not implemented.

this is now fixed in git master and will be in the 2.8.0 release (due for 
release any day now).

Thanks for the bug report!

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Kai Vehmanen | 6 May 2011 09:30

2.8.0 release candidate

Hello folks,

I'm trying to wrap the current pile of patches into a release. Sorry, 
still no LV2 support included, so this is mostly just the usual bugfixes. 
A release candidate is available at:

http://ecasound.seul.org/download/snapshots/ecasound-2.7.2+dev-20110506.tar.gz

See RELNOTES file in the tarball as well as git history for change 
details. And as usual, let me know if you find something suspicious, or 
you want to get some last minute bugfix into the release.

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Luis Pablo Gasparotto - AIM | 9 May 2011 16:18

TKEca 4.4.2 released!

There's a new TKEca release. Main changes are:

- Installer script

- Latency compensation

- Metronome

- Improved layout on Locate window

- Cancel button in Mixdown window

- Improved looking on Mixdown Window/Rec Properties window

- Improved devices list

- tkeca.log only stores useful information and can be used as debugging tool (before size was 21MB now is less than 1KB)

- Went back to TK default colors but now there's a button for changing the colors palette

- Buttons "Rew 5", "Forw 5" and "Go to 00:00" are available when playing.

- Certain buttons and entry boxes get disabled when pressing Play

- Normalize parameters when doing a mixdown

- Bug: Start and End time not showed in the mixdown window

- Bug: Recording over an existing file was not possible

- Bug: Time counter keeps rolling when pressing a locate button

- Bug: Play still looks for wave files of deleted tracks

You can download this release from:

http://sourceforge.net/projects/tkeca/files/tkeca/4.4.2/tkeca-4.4.2.tar.gz/download

You can get more information about this project from:

http://tkeca.sourceforge.net/

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Joel Roth | 9 May 2011 19:25

Re: TKEca 4.4.2 released!

On Mon, May 09, 2011 at 11:18:34AM -0300, Luis Pablo Gasparotto - AIM wrote:
> There's a new TKEca release. 

Cool! Congratulations. 

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