Re: Ecasound-list Digest, Vol 99, Issue 1

Thanks! I'll have to give that a shot. I also should have worded that
better.
What if I wanted to use seperate effects on seperate knobs? For example one
knob is a flanger and the other is a reverb?

Thank you again for the help.

On Wed, Apr 26, 2017 at 4:15 AM, <
[email protected]> wrote:

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> Today's Topics:
>
>    1. Re: Multiple little wav files,    played when the user  chooses
>       (Peter Billam)
>    2. Re: Multiple little wav files, played when the user  chooses
>       (Jeanette C.)
>    3. Re: Multiple little wav files, played when the user chooses
>       (rocco)
>    4. Playback Speed (Michael Hodges)
>    5. Re: Playback Speed (rocco)
>    6. Install error (rmgls)
>    7. Multiple Midi CC Controllers in a single command Line?
>       (Avery Chester)
>    8. Re: Multiple Midi CC Controllers in a single command Line?
>       (Jeanette C.)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 05 Feb 2017 10:40:50 +1100
> From: Peter Billam <[email protected]>
> Subject: Re: [ecasound] Multiple little wav files,      played when the
>         user  chooses
> To: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> Greetings.   Thanks for your replies.
>
> Joel wrote:
> > One nontrivial way around this limitation would be
> > to dispatch audio routes among multiple Ecasound engines
> > all patched together by JACK.
>
> Jeanette wrote:
> > you can play things in a loop, that would restrict the playback
> > to certain times. You could work with an ea-effect on all the
> > chains and raising the volume of the desired chain, when it is
> > chosen and the start of the input comes round.
>
> Is there a way of being told when the start of the input
> comes round, or it just down to knowing how long the loop is
> and taking integer multiples of that ?
>
> Another way would be to put the .wav files together into the notes
> of an SF2 SoundFont, and play them with timidity or fluidsynth.
> The SF2 format is a bit off-purpose, but it could be coerced.
> Or using Gravis .pat files (with timidity) might be simpler.
>
> All of these feel a bit artificial; the multiple-processes
> approach seems like the easiest to get working.
> I could keep the processes running and send signals to them
> to avoid avoid process-startup latency, if that was an issue.
>
> Applications could be eg: sound effects for an stage-show
> (telephone, doorbell, passing car, dog bark etc)
> or audio messages for an houseful of Internet-of-Things things,
> or improvising electronic music, with various sine-tones and
> sound-effects fading in and out...
>
> Thanks,
> Peter Billam
>
> PS Indeed, chainsetup! not chainset: chainsetup, chainsetup.
>
> http://www.pjb.com.au      [email protected]     (03) 6278 9410
> "Follow the charge, not the particle."  --  Richard Feynman
>   from The Theory of Positrons, Physical Review, 1949
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 5 Feb 2017 01:00:41 +0100 (CET)
> From: "Jeanette C." <[email protected]>
> Subject: Re: [ecasound] Multiple little wav files, played when the
>         user  chooses
> To: Peter Billam <[email protected]>
> Cc: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; format=flowed; charset=US-ASCII
>
> Hi Peter,
> this is really sampler territory. So applications like fluidsynth or
> timidity
> are much better suited to this particular usecase. Have you looked at SFZ?
> It's open, it's based on simple plain text file configurations and it works
> with LinuxSampler.
>
> That is of course if you don't want to try your lua bindings to Ecasound
> with
> that particular project. :) Good luck in any case! <3
>
> Best wishes,
>
> Jeanette
>
> --------
> When you need someone, you just turn around and I will be there <3
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 4 Feb 2017 18:18:24 -0700
> From: rocco <[email protected]>
> Subject: Re: [ecasound] Multiple little wav files, played when the
>         user chooses
> To: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> On 02/03/2017 07:47 PM, Peter Billam wrote:
> > So I can imagine a toy app which takes a dozen or so little .wav files
> > each connected to its own chain, with a dozen little buttons that
> > the user can push to play the corresponding .wav file.
>
> I just tried this and it works flawlessly...
>
> I pasted three sounds into one long WAV file
> (WAV is best format to use for the commands we are going to issue)
>
> The file is:
> play.wav
>
> These are the beginning and end times for each pasted sound:
> bark   0.000  to  0.832
> meow   0.832  to  1.892
> laugh  1.892  to   end
>
> In a shell, I CD'd to the directory where play.wav is
>
> I issued the command:
>
> ecasound -z:nointbuf -z:nodb -c -a:1 -i:play.wav -o:alsa,hw:0
>
> '-c' runs ecasound in an interactive shell so you can issue commands to
> ecasound
>
> '-z:nointbuf' AND '-z:nodb' are VERY IMPORTANT. With these flags set,
> each sound will play INSTANTANEOUSLY
>
> To play 'bark' I issue the commands:
> ecasound ('h' for help)> cs-set-position 0
> ecasound ('h' for help)> cs-set-length 0.832
> ecasound ('h' for help)> t
>
> To play 'meow', I issue the commands:
> ecasound ('h' for help)> cs-set-position 0.832
> ecasound ('h' for help)> cs-set-length 1.892
> ecasound ('h' for help)> t
>
> To play 'laugh', I issue the commands:
> ecasound ('h' for help)> cs-set-position 1.892
> ecasound ('h' for help)> cs-set-length -1
> ecasound ('h' for help)> t
>
>  From the ecasound-iam man page:
> cs-set-length ?seconds?
>   Sets processing time in seconds (doesn?t have to be an integer value).
> A special-case value of ?-1? will set the chainsetup length according to
> the longest input object.
>
> Being that it's just one WAV file, the disconnect when you issue
> 'cs-set-length' is unnoticeable. And as I mentioned, with '-z:nointbuf'
> AND '-z:nodb' set, each sound will play instantaneously
>
> I created three buttons in a tcl/tk app that did the above. Each sound
> plays instantaneously and I can even interrupt an already playing sound
> and the old sound stops and the new sound will play instantaneously.
> When pressing buttons 'rapped fire' they play flawlessly. 'meow' goes
> "me-me-me-me-me-me-me-meow".
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 21 Mar 2017 18:07:34 -0400
> From: Michael Hodges <[email protected]>
> Subject: [ecasound] Playback Speed
> To: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=us-ascii
>
> Greetings.  First post.  I loved digging into Ecasound during research
> into a project last year.  I could automate volume changes over time using
> -ea levels and a series of volume levels and time points.
>
> Is there a playback speed control that I could change and (theoretically)
> do something similar to my changes in -ea to speed up and slow down
> playback at certain points?
>
>
> Thanks
>
> Michael
>
>
> ------------------------------
>
> Message: 5
> Date: Sat, 25 Mar 2017 13:58:51 -0700
> From: rocco <[email protected]>
> Subject: Re: [ecasound] Playback Speed
> To: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> On 03/21/2017 03:07 PM, Michael Hodges wrote:
> > Greetings.  First post.  I loved digging into Ecasound during research
> into a project last year.  I could automate volume changes over time using
> -ea levels and a series of volume levels and time points.
> >
> > Is there a playback speed control that I could change and
> (theoretically) do something similar to my changes in -ea to speed up and
> slow down playback at certain points?
> >
> >
> > Thanks
> >
> > Michael
>
> I've been working with ecasound for many years now and haven't run into
> a way of doing that. But there are some linux programs that can do what
> you're looking to do. I think one of them is called 'soundstretch'. I
> believe there's others also.
>
> Rocco
>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 17 Apr 2017 11:17:43 +0200
> From: rmgls <[email protected]>
> Subject: [ecasound] Install error
> To: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=us-ascii
>
> hello Kai,
>
> i have this problem with ecasound: (up-to-date)
> compiling from source on osx 10.12.x:
> after configure and make as usual: sudo make install ...
>    even with --enable-force-python-package-site=/opt/local/lib/python2.7
> in configure, the install tries to install the framework
> in /System/Frameworks, which is not permitted at all.
> the frameworks must be installed in /Library/Frameworks which stand for
> all applications.
>
> Please can you tell me how to solve this issue?
>
> Thanks in advance.
>
> Raoul MEGELAS
> [email protected]
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Wed, 26 Apr 2017 03:49:32 -0400
> From: Avery Chester <[email protected]>
> Subject: [ecasound] Multiple Midi CC Controllers in a single command
>         Line?
> To: [email protected]
> Message-ID:
>         <CAL=cUd69xN=8uWGkRca5YoKevpp9qG4h9G2sVU-YMiZP3vbLhA@mail.
> gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I'm trying to use multiple midi knobs to try mixing effects in real time.
> I have a working command line for a single controller and effect right now:
> ecasound -i:stdin -o stdout -etm:0.1,1,1 -km:3,0,127,1,1
> -Md:rawmidi,/dev/snd/midiC1D0
>
> Is there a way or syntax to achieve this?
> Thanks in advanced! :>
> -------------- next part --------------
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>
> ------------------------------
>
> Message: 8
> Date: Wed, 26 Apr 2017 10:00:13 +0200 (CEST)
> From: "Jeanette C." <[email protected]>
> Subject: Re: [ecasound] Multiple Midi CC Controllers in a single
>         command Line?
> To: Avery Chester <[email protected]>
> Cc: [email protected]
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> Apr 26 2017, Avery Chester has written:
>
> > I'm trying to use multiple midi knobs to try mixing effects in real time.
> ...
> > Is there a way or syntax to achieve this?
> Hi Avery,
> achieve what exactly? Have more MIDI knobs to control other parameters
> of the same effect? Yes, just add another km after the one you have and
> give the next parameter number. A controller (-k* option) only ctronls
> the parameter of another controller before it, when you use the -kx
> option. So:
> ecasound ... -km:1,0,100,1,1, -kx -km:2,0,10,1,2
> will let the second km control the lower range point of the first km in
> the range of 0 to 10, o the first km will actually change its parameter
> from 0-100 to 10-100.
>
> Just having two knobs to control a delay:
> ecasound ... -etd:20,1,2,50,50 -km:1,20,200,1,1 -km:4,0,100,2,1
> this will control the delay time (first parameter of etd) between 20 and
> 200 and the fourth parameter (mix-%) between 0 and 100.
>
> HTH.
>
> Best wishes,
>
> Jeanette
> ...
>
> --------
> When you need someone, you just turn around and I will be there <3
>
>
>
> ------------------------------
>
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> End of Ecasound-list Digest, Vol 99, Issue 1
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