Just a small sanity check. My tree-lpf.inf for SLT demo is not much of a tree: {*}[2] "lpf_s2_1" {*}[3] "lpf_s3_1" {*}[4] "lpf_s4_1" {*}[5] "lpf_s5_1" {*}[6] "lpf_s6_1" Is this the expected result? (The quality of the sound produced is fine, even though it isn't much of a tree.) br, Nicholas