From 9a02174cadd77317b91a9988893bb8ae4d38258d Mon Sep 17 00:00:00 2001
From: Pallavi-vi-1234 <pallavimali576@gmail.com>
Date: Tue, 26 May 2026 20:31:25 +0530
Subject: [PATCH] Added comment

---
 audio_filters/butterworth_filter.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/audio_filters/butterworth_filter.py b/audio_filters/butterworth_filter.py
index 4e6ea1b18fb4..31eae6703a4f 100644
--- a/audio_filters/butterworth_filter.py
+++ b/audio_filters/butterworth_filter.py
@@ -1,6 +1,7 @@
 from math import cos, sin, sqrt, tau
 
 from audio_filters.iir_filter import IIRFilter
+# Audio filter functions for signal processing
 
 """
 Create 2nd-order IIR filters with Butterworth design.