diff --git a/Cargo.toml b/Cargo.toml
index d47c3c8..7a62603 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ num-complex = { version = "0.4", optional = true }
 num-integer = "0.1.45"
 num-traits = "0.2"
 #audioadapter = {path = "../audioadapter-rs"}
-audioadapter = "0.1.0"
+audioadapter = "0.2.0"
 
 [dev-dependencies] 
 env_logger = "0.10.0"
diff --git a/src/lib.rs b/src/lib.rs
index fa52b27..9ab1eb9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -218,20 +218,8 @@ where
                     "output, {} is longer  than delay to trim, {}, trimming..",
                     output_len, frames_to_trim
                 );
-                // move useful putput data to start of output buffer
-                for chan in 0..self.nbr_channels() {
-                    if let Some(mask) = active_channels_mask {
-                        if !mask[chan] {
-                            continue;
-                        }
-                    }
-                    for frame in 0..(output_len - frames_to_trim) {
-                        let val = buffer_out
-                            .read_sample(chan, frame + frames_to_trim)
-                            .unwrap();
-                        buffer_out.write_sample(chan, frame, &val);
-                    }
-                }
+                // move useful output data to start of output buffer
+                buffer_out.copy_frames_within(frames_to_trim, 0, frames_to_trim);
                 // update counters
                 output_len -= frames_to_trim;
                 indexing.output_offset -= frames_to_trim;