[LAU] problems using rosegarden, amsynth, and hydrogen

[andy baxter]

andy baxter wrote:
> hello,
>
> I'm trying to write a track using rosegarden as the sequencer, hydrogen 
> as a drum machine, and amsynth as a softsynth. I have written a tune in 
> rosegarden, and connected its midi output to amsynth. The audio from 
> amsynth then goes through tapiir using jack and then to the sound card. 
> I also have hydrogen running at the same time, using the jack transport 
> to sync the two. Everything works OK when I'm making tunes in the matrix 
> editor and then playing them, but if I try to add a track by recording 
> from vmpk into rosegarden, it produces a repetitive deep bass sound 
> through amsynth. (I checked that if you turn down amsynth the sound 
> disappears.)

>  This only happens when hydrogen is playing as well - if I 
> take hydrogen off jack transport, then the sound disappears.
>   
Correction - I have just tried again with hydrogen's jack transport 
turned off and the sound is back. Can't quite remember what's different 
from the last time I tried.

andy