From 07058e17c34e2b694c984381dfda4f2c7a14e629 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Wed, 3 Jul 2024 17:08:32 +0200
Subject: [PATCH] Better whisper-ctranslate vad filter option

---
 .../src/whisper/transcriber/ctranslate2-transcriber.ts        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/transcription/src/whisper/transcriber/ctranslate2-transcriber.ts b/packages/transcription/src/whisper/transcriber/ctranslate2-transcriber.ts
index de0a9c508..6a55b10e3 100644
--- a/packages/transcription/src/whisper/transcriber/ctranslate2-transcriber.ts
+++ b/packages/transcription/src/whisper/transcriber/ctranslate2-transcriber.ts
@@ -37,6 +37,10 @@ export class Ctranslate2Transcriber extends OpenaiTranscriber {
       'True',
       '--vad_filter',
       'true',
+      // Better precision with 5s of audio
+      // We mainly use vad_filter to improve language detection (first 30 seconds of the video, so no voice is problematic)
+      '--vad_min_silence_duration_ms',
+      '5000',
       '--output_format',
       'all',
       '--output_dir',