Working on synth envelope

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Fixed voicing

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Fixed envelope init

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Added toggle

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Getting there

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Fixed envelopes, need to fix defaults

Signed-off-by: Damien Zammit <damien@zamaudio.com>
Defaults a little better

Signed-off-by: Damien Zammit <damien@zamaudio.com>