hello.

i am writing a little drum-sequencer using the Win32::Sound::WaveOut module. so far it works ok, but when i included a scale to change the volumes of the different channels i encountered problems. below excerpts from the code : 
my $WAV1 = new Win32::Sound::WaveOut($sound_a) or die "WaveOut: $!";
# open sound for channel 1
...
...
$WAV1 -> Volume($level_a, $level_a);
$WAV1 -> Play() or die "Play: $!";
# play sound with the level set

[download]
$level_a is defined by the user via a scale : 
my $level_a_scale = $frame3-> Scale(-variable=>\$level_a, -from => 0, 
+-to => 65535);

[download]
the weird thing is that though i define the level twice (left and right), i only get a signal on the left speaker and that setting $level_a to 0 does not mute the sound
if i don't use the line 
$WAV1 -> Volume($level_a, $level_a);

[download]
the sound is played on both speakers.

thanks for your help, b4e.

In reply to Changing the Volume with the Win32::Sound::WaveOut module by b4e

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.