diff --git a/src/main.rs b/src/main.rs
index ed4dac3..a842aa4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,13 +16,13 @@ struct Flags {
    #[arg(long, default_value = "8")]
    threads: i32,
 
-   #[arg(long, default_value = "2.0")]
-   stream_retain: f32,
    #[arg(long, default_value = "5")]
    stream_step: u64,
-   #[arg(long, default_value = "1.0")]
+   #[arg(long, default_value = "0.6")]
+   stream_retain: f32,
+   #[arg(long, default_value = "0.3")]
    stream_head: f32,
-   #[arg(long, default_value = "1.0")]
+   #[arg(long, default_value = "0.3")]
    stream_tail: f32,
 
    wav: Option<String>,