Re: [ecasound] audio drops on cop-set tcp commands

I did some brief tests playing back a single WAV file,

I used a default Nama configuration with a single use
track.[*1]

WAV -> track1 -> loop -> Master -> soundcard

While the music was playing, I tried jumping the volume by
+/- 3 dB, 6 dB and 12 dB on the "track1" and "Master"
chains. I did this while using the ALSA sound device. Jackd
was not running.

Depending on the signal amplitude at the time, I could hear
an audible click at +/- 3 dB, and louder clicks for the
larger increments.

I wonder if these artifacts could be minimize through better
configuration. A heroic workaround would be
for Nama to intercept volume commands and try to massage
them into a form that Ecasound could execute without
glitches: a series of smaller steps executed over an
interval.

However, that could get messy if a control surface is
already sending bursts of commands.

Speculatively yours,

Joel

Note 1.

# ecasound chainsetup file, routing only. Effects are
# applied separately.

# general

-z:mixmode,sum -G:jack,Nama,send -G:jack,Nama,send -b 256 -z:nodb -z:intbuf

# audio inputs

-a:1 -i:loop,Master_in
-a:3 -i:/home/jroth/nama/tmh/.wav/tmh_1.wav

# audio outputs

-a:1 -o:alsa,default
-a:3 -o:loop,Master_in

-- 
Joel Roth
  
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