Sometimes the audio-level indicator on the machines shows nothing.

[trusktr]

On the left and right sides of each machine, there is an indicator. The one on the right corresponds to the audio that the machine outputs. Sometimes it shows nothing even though sound is playing.

Original: http://buzztrax.org/bugs/?do=view_issue&issue=64

[trusktr]

With all the recent changes, I'm not sure this is happening still. I'll re-open if it does.