From f48bf5d62965620e5e76efc8c82d33928cf18f28 Mon Sep 17 00:00:00 2001
From: Miro <200482516+Mirochill@users.noreply.github.com>
Date: Wed, 27 May 2026 11:16:56 +0200
Subject: [PATCH] Use ffmpeg backend for MP3 audio saves

---
 nodes/audio_nodes.py | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/nodes/audio_nodes.py b/nodes/audio_nodes.py
index 5642cae..038b6f4 100644
--- a/nodes/audio_nodes.py
+++ b/nodes/audio_nodes.py
@@ -57,14 +57,11 @@ class VrchAudioSaverNode:
             elif waveform.dim() > 2:
                 waveform = waveform.view(waveform.size(0), -1)
 
-            # Save audio using BytesIO
-            buff = io.BytesIO()
-            torchaudio.save(buff, waveform, audio["sample_rate"], format=extension.upper())
-            buff.seek(0)
-
-            # Write BytesIO content to file
-            with open(full_path, 'wb') as f:
-                f.write(buff.getvalue())
+            audio_format = extension.lower()
+            save_kwargs = {"format": audio_format}
+            if audio_format == "mp3":
+                save_kwargs["backend"] = "ffmpeg"
+            torchaudio.save(full_path, waveform, audio["sample_rate"], **save_kwargs)
 
             results.append({
                 "filename": file_name,