Vorbis Encoders - Revision history

TimSmall: /* AoTuV */ Fix soundexpert listening test commentry

2014-12-11T13:44:51Z

AoTuV: Fix soundexpert listening test commentry

← Older revision		Revision as of 13:44, 11 December 2014
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	Subjective listening test of aoTuV beta5.7 vs. libvorbis 1.2.3 (and ~~others~~):		Subjective listening test of aoTuV beta5.7 vs. libvorbis 1.2.3 (and other audio codecs):

	* [http://soundexpert.org/encoders-80-kbps soundexpert.org Encoders 80 kbit/s] - at the time of writing (December 2014), aoTuV has ~~a slightly better~~ average score, ~~but its~~ worse-case performance is ~~slightly behind~~ that of ~~libvorbis~~		* [http://soundexpert.org/encoders-80-kbps soundexpert.org Encoders 80 kbit/s] - at the time of writing (December 2014), aoTuV has the best average score of any encoder, although it's worse-case performance is worse than that of some other encoders.

TimSmall: /* AoTuV */ Add "soundexpert.org" listening test results.

2014-12-11T13:18:53Z

AoTuV: Add "soundexpert.org" listening test results.

← Older revision		Revision as of 13:18, 11 December 2014
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	* aoTuV beta4 (June 2005) improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.		* aoTuV beta4 (June 2005) improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* aoTuV beta2 (April 2004) was adopted as a part of Vorbis 1.1.0 (September 2004) (quality wise all versions of official Xiph.Org libraries from 1.1.0 up to 1.2.1 are the same as aoTuV beta2).		* aoTuV beta2 (April 2004) was adopted as a part of Vorbis 1.1.0 (September 2004) (quality wise all versions of official Xiph.Org libraries from 1.1.0 up to 1.2.1 are the same as aoTuV beta2).


			Subjective listening test of aoTuV beta5.7 vs. libvorbis 1.2.3 (and others):

			* [http://soundexpert.org/encoders-80-kbps soundexpert.org Encoders 80 kbit/s] - at the time of writing (December 2014), aoTuV has a slightly better average score, but its worse-case performance is slightly behind that of libvorbis


	Quality test of aoTuV beta4 vs. libvorbis 1.1.1:		Quality test of aoTuV beta4 vs. libvorbis 1.1.1:

	* [http://www.hydrogenaudio.org/forums/index.php?showtopic=35438 80Kbps comparison of many audio codec and libvorbis 1.1.1 vs. aoTuV beta4]		* [http://www.hydrogenaudio.org/forums/index.php?showtopic=35438 80Kbps comparison of many audio codec and libvorbis 1.1.1 vs. aoTuV beta4]
	** libvorbis 1.1.1 ABR vs libvorbis 1.1.1 VBR vs aoTuV beta4 VBR summary:		** libvorbis 1.1.1 ABR vs libvorbis 1.1.1 VBR vs aoTuV beta4 VBR summary:

TimSmall: /* AoTuV */ edit beta2 bullet point for clarity, add date for Vorbis release

2014-12-11T12:59:35Z

AoTuV: edit beta2 bullet point for clarity, add date for Vorbis release

← Older revision		Revision as of 12:59, 11 December 2014
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	== AoTuV ==		== AoTuV ==
	[http://www.geocities.jp/aoyoume/aotuv/ aoTuV encoders] are optimized encoders for higher quality.		[http://www.geocities.jp/aoyoume/aotuv/ aoTuV encoders] are optimized encoders for higher quality.
	* The latest release is aoTuV beta6.03 (2014~~-5-11~~) - correct as-of 2014~~-12~~.		* The latest release is aoTuV beta6.03 (May 2014) - correct as-of December 2014.
	* The latest stable release is aoTuV Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).		* The latest stable release is aoTuV Release 1 (August 2006) AKA aoTuV beta 4.51, which improves quality at q < 3 (versus aoTuV beta4).
	* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.		* aoTuV beta4 (June 2005) improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* aoTuV beta2 was adopted as a part of Vorbis 1.1 ~~of Xiph~~.~~Org~~ (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).		* aoTuV beta2 (April 2004) was adopted as a part of Vorbis 1.1.0 (September 2004) (quality wise all versions of official Xiph.Org libraries from 1.1.0 up to 1.2.1 are the same as aoTuV beta2).

TimSmall: /* AoTuV */ Re-order bullet-points into chronological order of version, for clarify.

2014-12-11T12:47:36Z

AoTuV: Re-order bullet-points into chronological order of version, for clarify.

← Older revision		Revision as of 12:47, 11 December 2014
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	== AoTuV ==		== AoTuV ==
	[http://www.geocities.jp/aoyoume/aotuv/ aoTuV encoders] are optimized encoders for higher quality.		[http://www.geocities.jp/aoyoume/aotuv/ aoTuV encoders] are optimized encoders for higher quality.
			* The latest release is aoTuV beta6.03 (2014-5-11) - correct as-of 2014-12.
			* The latest stable release is aoTuV Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).
			* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).		* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).
	* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* The latest release is aoTuV beta6.03 (2014-5-11) - correct as-of 2014-12.
	* The latest stable release is Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).
	Quality test of aoTuV beta4 vs. libvorbis 1.1.1:		Quality test of aoTuV beta4 vs. libvorbis 1.1.1:
	* [http://www.hydrogenaudio.org/forums/index.php?showtopic=35438 80Kbps comparison of many audio codec and libvorbis 1.1.1 vs. aoTuV beta4]		* [http://www.hydrogenaudio.org/forums/index.php?showtopic=35438 80Kbps comparison of many audio codec and libvorbis 1.1.1 vs. aoTuV beta4]

TimSmall: /* AoTuV */ Update latest release for aoTuV, and add date

2014-12-11T12:40:46Z

AoTuV: Update latest release for aoTuV, and add date

← Older revision		Revision as of 12:40, 11 December 2014
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	* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).		* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).
	* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.		* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* The latest release is aoTuV ~~beta5~~.7.		* The latest release is aoTuV beta6.03 (2014-5-11) - correct as-of 2014-12.
	* The latest stable release is Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).		* The latest stable release is Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).
	Quality test of aoTuV beta4 vs. libvorbis 1.1.1:		Quality test of aoTuV beta4 vs. libvorbis 1.1.1:

Stuart P. Bentley: moved VorbisEncoders to Vorbis Encoders

2010-09-06T21:05:28Z

moved VorbisEncoders to Vorbis Encoders

← Older revision		Revision as of 21:05, 6 September 2010
(No difference)

Fp: /* FFVorbis */ cleanup

2010-06-30T13:42:05Z

FFVorbis: cleanup

← Older revision		Revision as of 13:42, 30 June 2010
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	==FFVorbis==		==FFVorbis==
	[http://www.ffmpeg.org/~~general~~.~~html#SEC7~~ ffmpeg.org/general.html#SEC7] ~~FFMPEG contains an "independent" Vorbis encoder implementation~~, but it's ~~inferior in quality~~. So unless you have a special reason to ~~pick~~ it, make sure to use the option "libvorbis" (= Xiph Libvorbis) ~~and not "~~vorbis" (= FFVorbis).		[http://www.ffmpeg.org/ FFmpeg] contains an independent Vorbis encoder implementation (see [http://www.ffmpeg.org/general.html#SEC7 FFmpeg audio codecs], often called FFVorbis), but it's [http://xiphmont.livejournal.com/51160.html considered broken]. So, unless you have a special reason to use it, make sure to use the ffmpeg command line option '''-acodec libvorbis''' (= Xiph Libvorbis) when encoding, rather than -acodec vorbis (= FFVorbis) which is also often the default one.

	[[Category:Vorbis]]		[[Category:Vorbis]]

DOS386: it's not great but maybe it deserves mentioning nevertheless

2010-06-30T09:15:08Z

it's not great but maybe it deserves mentioning nevertheless

← Older revision		Revision as of 09:15, 30 June 2010
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	[http://downloads.xiph.org/releases/vorbis-java/ vorbis-java] is a native Java port of the Vorbis encoding library. It currently only supports 2 channel, 44100 hz audio input and only outputs .ogg files encoded at Variable Bit Rate.<br>		[http://downloads.xiph.org/releases/vorbis-java/ vorbis-java] is a native Java port of the Vorbis encoding library. It currently only supports 2 channel, 44100 hz audio input and only outputs .ogg files encoded at Variable Bit Rate.<br>
	vorbis-java is currently a '''beta''' release ported from libogg-1.1.3, libvorbis-1.1.2 and a very infant port of libshout-2.2.2 for streaming.<br>		vorbis-java is currently a '''beta''' release ported from libogg-1.1.3, libvorbis-1.1.2 and a very infant port of libshout-2.2.2 for streaming.<br>

			==FFVorbis==
			[http://www.ffmpeg.org/general.html#SEC7 ffmpeg.org/general.html#SEC7] FFMPEG contains an "independent" Vorbis encoder implementation, but it's inferior in quality. So unless you have a special reason to pick it, make sure to use the option "libvorbis" (= Xiph Libvorbis) and not "vorbis" (= FFVorbis).

	[[Category:Vorbis]]		[[Category:Vorbis]]

Fp: Vorbis-OptSort update

2009-09-25T08:42:57Z

Vorbis-OptSort update

← Older revision		Revision as of 08:42, 25 September 2009
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	== Vorbis-OptSort ==		== Vorbis-OptSort ==
	[http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] improves source code of the Vorbis codec library (libvorbis-1.0) to accelerate encoding time about 10% ~~(not apply clean on 1.1.2)~~.		[http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] improves source code of the Vorbis codec library (libvorbis-1.2.0) to accelerate encoding time about 10%.

	== AoTuV ==		== AoTuV ==

Fp: update

2009-05-14T10:48:04Z

update

← Older revision		Revision as of 10:48, 14 May 2009
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	* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).		* aoTuV beta2 was adopted as a part of Vorbis 1.1 of Xiph.Org (quality wise all versions of official libraries from 1.1 up to 1.2.1 are the same of aoTuV beta2).
	* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.		* aoTuV beta4 improved quality at all bitrates (versus xiph.org 1.1.2) and can also go down to 32 Kb/s (q-2). Note that this patch also include the [http://www.geocities.com/Area51/Dungeon/6809/vorbis-optsort-en.html Vorbis-OptSort] patch.
	* The latest release is aoTuV beta5.5.		* The latest release is aoTuV beta5.7.
	* The latest stable release is Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).		* The latest stable release is Release 1 (AKA aoTuV beta 4.51), which improves quality at q < 3 (versus aoTuV beta4).
	Quality test of aoTuV beta4 vs. libvorbis 1.1.1:		Quality test of aoTuV beta4 vs. libvorbis 1.1.1: