Sure Willy..almost certainly it's phase cancellation; this is the property of
physics employed widely in voice removal software. Two identicle waves of
opposite phase will cancel each other out ..the closer to unity amplitude they
get the more cancellation. hth.
g
Sent from my smartphone.
Willy Foobar <[email protected]> wrote:Hallo dear MuSE team,
when I generate a wav-file there
is an audible difference between mono and stereo output (from PCM wav files)
I use crazy_frog_-_axel_f.mid, that can be found at
http://freemidi.org/directory-1079
I cannot send this midi file directly due to copyright issues.
timidity crazy_frog_-_axel_f.mid -OwM -o mono.wav
timidity crazy_frog_-_axel_f.mid -OwS -o stereo.wav
timidity crazy_frog_-_axel_f.mid -Ow -o default.wav
there is a hearable difference between mono.wav vs. stereo.wav.
The same difference for default.wav (this is a stereo output)
The stereo sounds a little bit more smooth and has more reverb.
Even using the option --preserve-silence there is the same difference.
Even, when I split the two stereo channels into two separate wav files,
the audible difference does not change.
Is this a result of the mid notes that uses stereo interaction?
I did not find any controller events that deal with pan or something similar.
Does anybody have an idea, where this difference comes from?
I want to produce teh same sound in mono.
Yours,
WillyFoobar
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Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
endpoint security space. For insight on selecting the right partner to
tackle endpoint security challenges, access the full report.
http://p.sf.net/sfu/symantec-dev2dev
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[email protected]
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