[CM] sound-duration, convolve-files, sound-maxamp (newbie)

Heinrich Gudenus heinrich.gudenus@fh-sbg.ac.at
Mon, 17 May 2004 17:06:21 +0200


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hi,

the first problem:

sound-maxamp and convolve-files always produce an error..

 convolve-files: *** - COERCE: NIL is not REAL [...]
sound-maxamp is not defined


the second problem:

when I destructivly cut out a piece of an audio file
and want to set a variable which contains the new
duration of that file, the value that sound-duration produces
is Zero

e.g.
         (...
            (let ((x (sound-duration file-1)))
               (with-sound (:output file-1 ...)
                   (<instrument> file-1 ...))
               (setf x (sound-duration file-1))
         ...)

thank you

h:g

p.s.: (system is mandrake 9.0; and I am using clisp (cm clm and cmn are
installed properly (hopefully)))
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<DIV>hi,<BR><BR>the&nbsp;first problem:<BR><BR>sound-maxamp and =
convolve-files=20
always produce an error..<BR><BR>&nbsp;convolve-files: *** - COERCE: NIL =
is not=20
REAL [...]<BR>sound-maxamp is not defined<BR><BR><BR>the second=20
problem:<BR><BR>when I destructivly cut out a piece of an audio =
file<BR>and want=20
to set a variable which contains the new<BR>duration of that file, the =
value=20
that sound-duration produces<BR>is=20
Zero<BR><BR>e.g.<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
(...<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; (let=20
((x (sound-duration=20
file-1)))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;=20
(with-sound (:output file-1=20
...)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
(&lt;instrument&gt; file-1=20
...))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;=20
(setf x (sound-duration=20
file-1))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
...)<BR><BR>thank=20
you<BR><BR>h:g<BR><BR>p.s.: (system is mandrake 9.0; and I am using =
clisp (cm=20
clm and cmn are<BR>installed properly (hopefully)))</DIV></BODY></HTML>

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