diff --git a/compression/main.py b/compression/main.py
index 67e1401..66c95c5 100755
--- a/compression/main.py
+++ b/compression/main.py
@@ -1,16 +1,47 @@
 #!/usr/bin/env python3
 
-import sys
+import subprocess
 
-from ffmpy import FFmpeg
+
+class FFmpeg:
+    input: str
+    output: str
+    format: str
+    bitrate: str | None
+    freq: int | None
+
+    def __init__(
+        self,
+        input="pipe:0",
+        output="pipe:1",
+        format="mp3",
+        bitrate=None,
+        freq=None,
+    ):
+        self.input = input
+        self.output = output
+        self.format = format
+        self.bitrate = bitrate
+        self.freq = freq
+
+    def __get_cmd(self) -> list[str]:
+        cmd = ["ffmpeg", "-i", self.input, "-f", self.format, self.output]
+
+        if self.bitrate is not None:
+            cmd += ["-b:a", self.bitrate]
+        if self.freq is not None:
+            cmd += ["-ar", str(self.freq)]
+        return cmd
+
+    def run(self):
+        cmd = self.__get_cmd()
+
+        subprocess.Popen(cmd)
 
 
 def main():
-    ff = FFmpeg(
-        inputs={"pipe:0": None},
-        outputs={"pipe:1": "-ar 8000 -b:a 128k -f mp3"},
-    )
-    ff.run(input_data=sys.stdin.buffer.read())
+    ff = FFmpeg(bitrate="128k", freq=8000)
+    ff.run()
 
 
 if __name__ == "__main__":
diff --git a/compression/requirements.txt b/compression/requirements.txt
deleted file mode 100644
index 0aafc23..0000000
--- a/compression/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-ffmpy~=0.3