X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=web%2Fmanual.m4;h=84f399d26aacea78e22431f09491d11189fce969;hp=41ab53cd91100f6aeeaf804bd22a565fc7d36bcc;hb=4e1c5848328ee28822b75ef7ae8c66b63c832409;hpb=4228c805d59dcc41aa324c646b2688e29d82a354;ds=sidebyside

diff --git a/web/manual.m4 b/web/manual.m4
index 41ab53cd..84f399d2 100644
--- a/web/manual.m4
+++ b/web/manual.m4
@@ -1144,7 +1144,17 @@ Excited Linear Prediction) coding. It is designed for voice
 over IP applications, has modest complexity and a small memory
 footprint. Wideband and narrowband (telephone quality) speech are
 supported. As for Vorbis audio, Speex bit-streams are often stored
-in OGG files.
+in OGG files. As of 2012 this codec is considered obsolete since the
+Oppus codec, described below, surpasses its performance in all areas.
+
+*OGG/Opus*
+
+Opus is a lossy audio compression format standardized through RFC
+6716 in 2012. It combines the speech-oriented SILK codec and the
+low-latency CELT (Constrained Energy Lapped Transform) codec. Like
+OGG/Vorbis and OGG/Speex, Opus data is usually encapsulated in OGG
+containers. All known software patents which cover Opus are licensed
+under royalty-free terms.
 
 *AAC*
 
@@ -2190,6 +2200,8 @@ RFCs
 	Congestion Control ID 2: TCP-like Congestion Control
 	- XREFERENCE(http://www.ietf.org/rfc/rfc4342.txt, RFC 4342) (2006):
 	Congestion Control ID 3: TCP-Friendly Rate Control (TFRC)
+	- XREFERENCE(http://www.ietf.org/rfc/rfc6716.txt, RFC 6716) (2012):
+	Definition of the Opus Audio Codec
 
 Application web pages
 ~~~~~~~~~~~~~~~~~~~~~