[ted] Lower preference for direct audio since it's mono

diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
index c788feb5dab8d2fd36941612966f89f63e76c22e..8aa27d282069223a895d462c0e178fe5ae142e68 100644 (file)
--- a/youtube_dl/extractor/ted.py
+++ b/youtube_dl/extractor/ted.py
@@ -210,6 +210,7 @@ class TEDIE(InfoExtractor):
                 'url': audio_download,
                 'format_id': 'audio',
                 'vcodec': 'none',
+                'preference': -0.5,
             })
 
         self._sort_formats(formats)