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==== Other audio ==== * 700 bit/s{{snd}} lowest bitrate open-source speech codec [[Codec2]], but Codec2 sounds much better at 1.2 kbit/s * 800 bit/s{{snd}} minimum necessary for recognizable speech, using the special-purpose [[FS-1015]] [[speech encoding|speech codecs]] * 2.15 kbit/s{{snd}} minimum bitrate available through the open-source [[Speex]] codec * 6 kbit/s{{snd}} minimum bitrate available through the open-source [[Opus (audio format)|Opus]] codec * 8 kbit/s{{snd}} [[telephone]] quality using speech codecs * 32β500 kbit/s{{snd}} [[Lossy compression|lossy audio]] as used in [[Ogg Vorbis]] * 256 kbit/s{{snd}} Digital Audio Broadcasting ([[Digital Audio Broadcasting|DAB]]) [[MPEG-1 Audio Layer II|MP2]] bit rate required to achieve a high quality signal<ref>Page 26 of BBC R&D White Paper WHP 061 June 2003, DAB: An introduction to the DAB Eureka system and how it works http://downloads.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP061.pdf</ref> * 292 kbit/s{{snd}} Sony [[Adaptive Transform Acoustic Coding]] (ATRAC) for use on the [[MiniDisc|MiniDisc Format]] * 400 kbit/sβ1,411 kbit/s{{snd}} [[Lossless compression|lossless audio]] as used in formats such as [[Free Lossless Audio Codec]], [[WavPack]], or [[Monkey's Audio]] to compress CD audio * 1,411.2 kbit/s{{snd}} [[Linear PCM]] sound format of [[CD-DA]] * 5,644.8 kbit/s{{snd}} [[Direct Stream Digital|DSD]], which is a trademarked implementation of [[Pulse-density modulation|PDM]] sound format used on [[Super Audio CD]].<ref>Extremetech.com, Leslie Shapiro, 2 July 2001. ''Surround Sound:'' [http://www.extremetech.com/article2/0,2845,1180143,00.asp ''The High-End: SACD and DVD-Audio''.] {{webarchive|url=https://web.archive.org/web/20091230154914/http://www.extremetech.com/article2/0%2C2845%2C1180143%2C00.asp |date=30 December 2009 }} Retrieved 19 May 2010. 2 channels, 1-bit, 2822.4 kHz DSD audio (2Γ1Γ2,822,400)= 5,644,800 bits/s</ref> * 6.144 Mbit/s{{snd}} E-AC-3 (Dolby Digital Plus), an enhanced coding system based on the AC-3 codec * 9.6 Mbit/s{{snd}} [[DVD-Audio]], a digital format for delivering high-fidelity audio content on a DVD. DVD-Audio is not intended to be a video delivery format and is not the same as video DVDs containing concert films or music videos. These discs cannot be played on a standard DVD-player without DVD-Audio logo.<ref>{{cite web |archive-url=https://web.archive.org/web/20120304060434/http://patches.sonic.com/pdf/white-papers/wp_dvd_audio.pdf |url=http://patches.sonic.com/pdf/white-papers/wp_dvd_audio.pdf |title=Understanding DVD-Audio |publisher=Sonic Solutions |access-date=23 April 2014 |archive-date=4 March 2012 }}</ref> * 18 Mbit/s{{snd}} advanced lossless audio codec based on [[Meridian Lossless Packing]] (MLP)
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