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= Audio Info =


The web has been incorporating multimedia into its pages ever since the release of the Mosaic web browser around 1993. It was shortly thereafter that links to many types of audio started to appear on the web. Even today (April 2007), it is still difficult for a web browser to extract semantic information regarding audio recordings from a web page. Information such as artist, title, speaker, track listing, and publisher are readily available on the same web page that contains the links to the audio files. The Audio Info exploratory discussion is an attempt to create a standard method of marking up metadata and information about one or more audio recordings discussed on a web page.
== The Problem ==
It is difficult for a browser to extract semantic information about an audio recording described on a web page. Metadata such as speaker, musician, publisher, label, title of the work, release date, acquisition link, related image artwork and tags provide relevant context for the audio recording.
Having such information marked up can provide a number of benefits to the viewer. If a web browser understands that a particular web page contains a song performed by an artist, it can produce richer interactions. For example, specific searches may be performed for artists and songs via general search services such as Google and Wikipedia. Specific search services may also be queried such as MusicBrainz, The Internet Archive, FreeDB, or Bitmunk. Additionally, classification by crawlers can become more accurate. If there are 20 tracks found on a page done by the same artist, and that content consumes a significant portion of the page, it can be assumed that the page is not only about music, but also about a particular artist.
The audio information need not be associated with a file. Note that audio content (The Payback by James Brown) is very different from the audio file format (192Kbps, stereo MP3). The goal of this discussion is to create a Microformat draft for marking up audio metadata and information.
== A NOTE ABOUT CONTRIBUTING - USE TEMPLATES ==
Due to the large number of audio sites, tallying statistical information for this discussion is difficult. A small python script has been written to do the job, but for it to work, we need to be careful about how we mark up information.
Please use the following template when adding information about an audio collection description:
* [ http://www.example.com Website Name]
** [ http://www.example.com/album_example/ Album Example]
*** Information displayed: artist, title, tracks, release date, label, genre, web-based purchase, cover image,
                            price, format, sample, length, summary, physical-based purchase, publisher, reviews
Please use the following template when adding information about an audio song, track or sample description:
* [ http://www.example.com Website Name]
** [ http://www.example.com/song_example/ Song Example]
*** Information displayed: title, track number, sample, web-based purchase, artist, price, length, release date, album, genre, format, rating, label
If you need to add more information that is displayed, please use a common term to describe the information. For example, if you need to mention that an artists hometown is mentioned, adding a term such as ''hometown'' would be acceptable.
== Authors ==
* [[User:ManuSporny | Manu Sporny]], [http://www.bitmunk.com/ Bitmunk] - [http://blog.digitalbazaar.com Digital Bazaar], Inc. (PI, editor)
* Charles Iliya Krempeaux
* Joshua Kinberg
* Rod Begbie
* Chris Messina
* [http://www.wanderingabout.com Alexandre Van de Sande]
=== Contributors ===
* Tantek Çelik
* Dean Hudson
* [[User:AndyMabbett|Andy Mabbett]]
* Martin McEvoy
* Mary Hodder
* Scott Reynen
== Real-World Examples ==
=== Speech ===
Publication of audio speeches on blogs is often called "podcasting".  In essence though, it is simply audio speech publishing.  Quotes of audio files are beginning to appear, and publishers are putting up files with links to other audio files they've quoted from.  Most audio appears to often have the same base elements as video and photos, with the exception of quotes.
==== Individual Publishing of Speech ====
* [http://www.microformats.org/blog/2005/09/30/web-essentials-audio/ Microformats: Web Essentials Audio]
** Appears to be composed of:
*** title/summary of the recording
*** clickable hyperlink to the recording (MP3)
** Contextual:
*** (primary) speaker is indicated in nearby text
* [http://www.thechrispirilloshow.com/help/20060119_chuck_cummins_on_windows_vista_interface_design.phtml Chris Pirillo podcast]
** This example has a Title, Html URL, media URL(s), description or summary, categories/tags underneath what is viewable, and date.  +10k
* [http://yukelzon.blogspot.com/2006/01/podcasts.html Reflog's Random Thoughts podcast]
** This example has a Title, Html URL, description or summary, creator, tags and publish time and date.  +10k records.
* [http://www.evilgeniuschronicles.org/wordpress/2006/01/12/egc-clambake-for-january-12-2006/ Evil Genius Chronicles podcast]
** This example has a Title, Html URL, description or summary, quotes URLs and descriptions, licence, creator, tags and publish time and date.  +10k records.
* [http://www(dot)bizbyjake.com/2006/01/how-are-you-doing.html media published from a blog, Jake Steinfeld's Audio Blog] NOTE: this record had trouble because mediawiki blocks any DOTbiz domains and so while this domain coincidentally has a DOTbizbyjake.com name that is not a TLD, it was still blocked in the loading of the page with this example.  So please adjust the URL manually and then visit the site.
** This example has a Title, Html URL, media URL, creator and publish time and date. +10k records.
* [http://mattstodayinhistory.blogspot.com Matt's today in history]
** [http://www.podshow.com/shows/?mode=detail&episode_id=56539 mp3 episode example]
*** Information displayed: Title, transcripts, download link, rss feed, author
* [http://reviews.cnet.com/4520-11455_7-6457370-1.html Buzz Out Loud]
** [http://chkpt.zdnet.com/chkpt/1pcast.bole.041107/http://podcast-files.cnet.com/podcast/cnetbuzz_041107.mp3 episode example]
*** Information displayed: Title, episode summary, length, date
*** Information displayed on a separated page: Title, episode summary, lenght, date, show links, voice mail, emails received
* [http://podcast.rubyonrails.org/ Ruby On Rails Podcast]
** Appears to be composed of:
*** title, contributors/artist, album, and length.
*** clickable hyperlink to the recording (MP3) or (MP4/M4A).
** Contextual:
*** Some transcripts of certain episodes are available.
** Examples:
*** Single episode [http://podcast.rubyonrails.org/programs/1/episodes/jack_dorsey_and_alex_payne_of_twitter Jack Dorsey and Alex Payne of Twitter].
*** [http://podcast.rubyonrails.org/programs/1/episodes All episodes since 2005].
=== Music ===
==== Individual Publishing of Music ====
* [http://www.bradsucks.net/music/ Brad Sucks » music]
** Has album title, song title, separate link to more info, inline flash player, and play link (to mp3)
* [http://www.scottandrew.com/music/ Scott Andrew - lo-fi acoustic pop superhero!  > music >]
** Has album title, song title, album artwork, streaming link (to m3u), and play link (to mp3)
* [http://www.hearingdouble.co.uk/dumb/index2.html Portishead Remixed]
** Whole page is for one album (a mash-up remix of a Portishead album).  Has Album Track Number and Title (linked to mp3) and Remixer's name, plus cover art.  Also a link to the BitTorrent download of the whole album.
==== Music Podcasting ====
Music podcasts are a totally different beast, but a very important one. They usually consist of one big file containg multiples songs, speech, audio advertising and prerecorded audio (such as voicemail or promos). Podcasts consists of multiple songs and therefore might need another microformat, one that makes a collection of multiple songs and only one file.
===== Properties =====
These properties are in alphabetical order and in no way represent the frequency of their use in the examples. The property names are also not final and probably will not be used when the Microformat vocabulary is decided. Deciding the vocabulary of the Microformat is not performed at this stage of examples collection and analysis. These property names and definitions are listed here in an attempt to keep the current and future example analysis teams using the same definitions for property names.
* '''RSS Feed''' - An RSS feed for the podcast exists on the page.
* '''contributor''' - The person that created or helped create the podcast.
* '''description''' - The description of the podcast.
* '''download''' - The full download location for the podcast.
* '''format''' - The audio format for the podcast.
* '''genre''' - The genre for the podcast.
* '''label''' - The publishing company for the podcast.
* '''length''' - The length of the podcast.
* '''photo''' - A representative image of the podcast.
* '''position''' - the number or index of the podcast.
* '''price''' - The price one must pay to legally acquire the podcast.
* '''published''' - The date the podcast was released.
* '''sample''' - A sample of the podcast
* '''section''' - The name of a section of a podcast.
* '''title''' - The title of the podcast
* '''web-based purchase''' - A place to legally pay for and acquire the full podcast.
===== Examples =====
* [http://www.coverville.com/ Coverville]
** Properties: RSS Feed, description, title, published, contributor, position, download
* [http://magnatune.com/podcasts/details/magnatune_middle-eastern_podcast_2006_12_14 Magnatune Podcasts]
** Properties: title, section, genre, length, published, contributor, position, download
* [http://www.mutantpop.net/radioclash/archives/2007/03/24/rc-113/ Radio Clash]
** Properties: RSS Feed, description, title, photo, section, format, length, published, contributor, position, download
* [http://www.podshow.com/shows/?mode=detail&episode_id=56721 Daily Source Code]
** Properties: RSS Feed, description, title, photo, section, genre, published, contributor, position, download
* [http://indiecastwp.podshow.com/?p=76 Rock and Roll Geek Show]
** Properties: RSS Feed, description, title, section, format, genre, length, published, contributor, position, download
* [http://www.accidenthash.com/2007/04/02/gray-wet-yuck-monday/ Accidenth Hash]
** Properties: RSS Feed, description, title, photo, section, genre, length, published, contributor, position, download
* [http://veercast.com/2007/05/31/episode-20-tranforming-you-into-stds-since-1983/ Veer Cast]
** Properties: RSS Feed, description, title, length, published, position, download
* [http://threehive.libsyn.com/index.php?post_id=111596 Three Hive]
** Properties: RSS Feed, description, title, photo, section, format, genre, published, contributor, position, download
====Mashups, remixes, cut-ups and audio-collages====
Some music is in fact made from other samples of other music. The information on those tracks then must contain another audio information, on the original track. Some of those tracks are posted to sampling communities and therefore are remixed again, creating a fractal-like information. Most sites, thou, will only show the first layer: the music directly derivated
* [ http://www.example.com Website Name]
** [ http://www.example.com/song_example/ Song Example]
*** Information displayed: title, track number, sample, web-based purchase, artist, price, length
* [http://viprhealthcare.typepad.com/mashup_of_the_week_podcas/ Mashup of the week]
* [http://bannedmusic.org/ banned music]
* [http://illegalart.org/ illegal art]
* [http://ccmixter.org/ cc mixter] a creative commons community
====Top Lists====
Top lists are lists of music or audio that are rated in order. Examples are a the "Billboard Top 100", "Top 100 Blue Grass hits of 2005", "Top Beatles Remixes of All Time", etc.
* About.com: [http://top40.about.com/od/onthecharts/tp/top071007.htm Top 10 Hot Pop Songs July 10, 2007]
** contains: position, hAudio
* Channel 4 100 greatest Albums [http://www.channel4.com/entertainment/tv/microsites/G/greatest/albums/results.html THE 100 GREATEST ALBUMS]
**  contains: Position, Artist, Album
* BBC Radio 1 Singles Chart [http://www.bbc.co.uk/radio1/chart/singles.shtml Radio 1 Singles chart]
** contains: Title, Artist, Photo, artist url, record label
* BBC Radio 1 Download Chart [http://www.bbc.co.uk/radio1/chart/downloads.shtml Radio 1 Download Chart]
** contains: Position, Artist, Title, Record Label
* Amazon UK top 2007 singles so far [http://www.amazon.co.uk/2007s-Best-Singles-So-Far/lm/R1DMGDL2WC6DEK 2007's Best Singles...So Far!]
** contains: Position, Title, Artist, Review, Image, Purchase url
* Freaky Trigger top 100 songs of all time [http://freakytrigger.co.uk/other-indexes/freaky-triggers-top-100-songs-of-all-time/ Top 100 Songs of All Time]
** contains: Position, Artist, Title
* List of songs in English labeled the best ever (Wikipedia) [http://en.wikipedia.org/wiki/List_of_songs_in_English_labeled_the_best_ever List of songs in English labeled the best ever]
** contains: Sorting By Alphabet, Artist, Track, cites from press
* The Billboard Hot 100 [http://billboard.com/bbcom/charts/chart_display.jsp?g=Singles&f=The+Billboard+Hot+100 The Billboard Hot 100]
** contains: Position, Artist, Title, Imprint, Catalog No, Distributing Label
* New Musical Express Tracks Of The Year 2006 [http://www.nme.com/reviews/tracks/oftheyear NME Tracks Of The Year 2006]
** contains: Position, Artist, Title, Image.
* Here Ya Music Blog Top 100 indie singles of all time [http://www.hearya.com/2007/02/14/top-100-indie-songs-of-all-time/ Top 100 Indie Songs of All Time]
** contains: Position, Track, Artist, Album, Record Label, Year
* The Rolling Stone 500 Greatest Albums of All Time [http://www.rollingstone.com/news/story/5938174/the_rs_500_greatest_albums_of_all_time/ The RS 500 Greatest Albums of All Time]
** contains: Position, Album Title, Artist
* The Official Chart Company (UK) top 100 singles [http://www.theofficialcharts.com/top40_singles.php Top 100 Singles Chart]
** contains: Position, Previous Position, Artist, Title
* Every Hits Top 100 All-Time 'Worst Ever' Singles [http://www.everyhit.com/worstever.html 100 All-Time 'Worst Ever']
** contains: Position, Artist, Title
==== Service Publishing of Music ====
* [http://audiofind.ru/music/album/-/Lost%20Angel/Destination/?id=591 AudioFind]
** Properties: album artist, track title, album title, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, description, track rating, album album rating, album style, album artist rating
* [http://bigpondmusic.com/Album/The-Decemberists/The-Crane-Wife.aspx Telstra BigPond]
** Properties: album artist, track title, album title, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, track price, description, track album, album non-subscriber price, album subscriber price, track add to pop-list
* [http://www.bitmunk.com/view/media/6068744 Bitmunk]
** Properties: album artist, album tracks, album label, album release date, track number, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, description, track release date, album sample, track album, track label, track composer, album payees, track total price, album p2p-based purchase, track genres, track payees, album album title, track song title, track p2p-based purchase, album total price
* [http://www.downloadpunk.com/?webaction=AlbumDetail&albumid=13202 Download Punk]
** Properties: album artist, track title, album title, album label, track sample, track web-based purchase, album web-based purchase, album cover image, track price, album physical-based purchase
* [http://www.fye.com/Not-Too-Late-Music_stcVVproductId7456462VVcatId458211VVviewprod.htm FYE]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, album genre, album cover image, track artist, description, album format, album physical-based purchase, album reviews, album styles, album product id, album regular price, album store price, album UPC, album production credits, album savings
* [http://imusic.libero.it/compilation.php?icom_id=105902&ptipo=pus&pid=171437 iMusic]
** Properties: album artist, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, track release date, album length, album number of tracks
* [http://www.omds.de/servlets/2452685121527Dispatch/31/Call?htmltemplate=./album/viewalbum.htm&lmtype=ALBUM&albumid=2310333 AON Music ]
** Properties: album artist, track title, album tracks, album label, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, album format, album sample, track format, album bitrate, album number of tracks, track add bookmark, album album, album add bookmark
* [http://musik.tdconline.dk/servlets/2452306090224Dispatch/19/call?htmltemplate=./album/viewalbum.htm&trackid=5010526 TDC Online]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album web-based purchase, album cover image, track price, album price, album format, album length
* [http://www.audiolunchbox.com/album?a=75751 Audio Lunchbox]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, album format, album bitrate, album add to wishlist, album sample (flash applet), track sample (flash applet), track price in credits, album price in credits
* [http://chaos.com/product.asp?intProductID=739720&intArtistID=167488 Chaos Music]
** Properties: album artist, track title, album title, album tracks, album release date, track number, album genre, album cover image, album price, description, album format, album physical-based purchase, album add to wishlist, album availability
* [http://store.connect-europe.com/albumDetailPage.do?albumId=3260785 Sony Connect]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, track length, track price, album price, album length
* [http://www.digirama.co.nz/AlbumDetails.aspx?MediaID=578456 Digirama]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, album reviews, album license, album related albums, album also bought
* [http://www-v3.emusic.com/album/10917/10917324.html eMusic]
** Properties: album artist, album title, album tracks, album label, track number, track sample, track web-based purchase, album genre, album web-based purchase, track length, album sample, album length, album reviews, album album rating, album styles, album save to playlist
* [http://www.fnacmusic.com/album/7088f214-6187-4845-afdc-6391e103f67d.aspx FNAC]
** Properties: album artist, track title, album title, album tracks, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, description, album length, album add to playlist, track add to playlist
* [http://www.sanity.com.au/product/rockpop.asp?sku=-942394 Sanity]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, album cover image, album price, description, album physical-based purchase, album price in points, album SKU, album catalog ID
* [http://www.misrolas.com/downloadmusic/album.php?id=1316 MisRolas]
** Properties: album artist, track title, album title, album tracks, album release date, track number, track sample, track web-based purchase, album web-based purchase, album cover image, track artist, track price, album price, album reviews, album number of tracks, album album rating, track add to wishlist
* [http://www.mtv.com/#/music/artist/my_chemical_romance/albums.jhtml?albumId=1367908 MTV]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, album cover image, album physical-based purchase, track video sample
* [http://musica360.com/store/product_info.php?products_id=232 Musica360]
** Properties: album artist, track title, album title, album tracks, track web-based purchase, album web-based purchase, album cover image, track artist, track price, album price, album samples (flash)
* [http://www.musicload.de/item.ml?releaseid=1884260_2 Musicload]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, track length, track price, album price, album format, track release date, album sample, album length, track album, track label, track genre, track format, track rating, album bitrate, album rating, track comments, album quality, track quality, album comments
* [http://www.napster.com/view/album/index.html?id=12376484 Napster]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album web-based purchase, album cover image, track artist, track length, album price, description, track release date, album sample, track album, track label, album reviews, album number of tracks, album track count, track album title, album review, album share
* [http://www.partymob.com/edl/details/default.aspx?album=2089814 PartyMob]
** Properties: album artist, track title, album title, album tracks, album release date, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, track length, track price, album price, album format, track release date, album sample, track genre, track format, album bitrate, album number of tracks, album track count, album total length, album quality, track quality, track DRM information
* [http://www2.peerimpact.com/contentstorage-xml/album30.do?templateName=WEB-INF/conversion-templates/album30.vm&albumId=89449 Peer Impact]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, album genre, track artist, track length, track price, album price, album format, album track count, album purchase (application link)
* [http://us.puretracks.com/catalog/details.aspx?pid=emi_094638723653 Pure Tracks]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album web-based purchase, track artist, track length, track price, album price, description, album length, album total length, album disc count, track label (popup), album DRM information
* [http://www.reggaecountry.com/Shopping/Browse.aspx?mode=item&category=209&item=35745 Reggae Country]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track sample, track web-based purchase, track artist, track length, track price, album price, album web-based purchse
* [http://www.rhapsody.com/harryconnickjr/chansonduvieuxcarrconnickonpiano3 Real/Rhapsody]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, album sample
* [http://wapps.ruckus.com/cgi-bin/WebObjects/ruckus.woa/2/wo/bQ5EBCLVYbWMuHOuCRElwM/0.0.27.15.13.1.16.3.3 Ruckus]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track artist, track length, track album title
* [http://www.sanity.com.au/product/rockpop.asp?sku=-943269 Sanity]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, album web-based purchase, album cover image, album price, album catalog id
* [Album Starzik SARL]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track web-based purchase, album genre, album web-based purchase, track artist, track length, album format, track release date, album length, track label, track genre, track format, album bitrate, track composer, track album title, track size, track bitrate, album size, track creators, track performance artist
* [http://www.thecellcity.com/4DACTION/CDMProductQuery?CDMCommand=fuzzyquery&CDMdepartment=music&cdmalbum=What's%20The%20Word%20Vol.%201&CDMReturnURL=/music/albumdetails.shtml] CellCity]
** Properties: album artist, track title, album tracks, album label, album release date, track web-based purchase, album genre, track price
* [http://www.top100.cn/product/specialall/S0027876000.htm top100.cn]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, track artist, track price, description, album sample, track label, track genre, track comments
* [http://www.wippit.com/AlbumDet.aspx?StrId=28724&StrCatType=S Wippit]
** Properties: album artist, track title, album title, album tracks, album release date, track number, album genre, album web-based purchase, track artist, track price, album price, album format, track release date, track album, track genre, track format, track size, track file type, track web-based purchase link
* [http://yanga.ru/music/album/-/Duke%20Ellington/Jack%20The%20Bear/?id=28510 Yanga]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, track sample, track web-based purchase, album genre, album web-based purchase, album cover image, track length, track price, album price, description, album sample, track rating, album rating
* [Album somesongs]
** Properties: track title, track sample, track artist, track release date, track rating, track summary, track reviews
* [http://magnatune.com/artists/albums/ammonite-recon/ Magnatune]
** Properties: album artist, track title, album title, album tracks, album release date, track number, track sample, album web-based purchase, album cover image, track length, description, album length, album physical-based purchase, album license, album artist location, album total time
* [http://www.songfight.org/artistpage.php?key=15-16_puzzle&sortkey=date SONG FIGHT!]
** Properties: album artist, track title, album title, track sample, album cover image, description, track release date, album artist location
* [http://www.yes.com/ Yes.com]
** Properties: album artist, track web-based purchase, album cover image, track artist, track cover image, track rank, track played-by radio station
* [http://myspace.com/theradioknives MySpace]
** Properties: album artist, track title, album title, album tracks, track sample, album cover image, track artist, description, album sample, album number of plays, track lyrics, track number of plays
* [http://musicbrainz.org/release/1138abc1-77f4-4ba9-900d-5cf52baaf4bf.html MusicBrainz.org]
** Properties: album artist, track title, album title, album tracks, track number, album cover image, track artist, track length, track album, track id, track relationship, track artist id, track album id, album disc id
* [http://reactor-core.org/ogg-tagging.html Vorbis Comment Recommendations]
** Properties: album artist, track title, album title, album label, album release date, track number, album genre, album cover image, track artist, track length, description, track release date, track album, track label, track genre, album license, track composer, track album title, track summary, track copyright, album part number, track cover image, track arranger, album comment, track location, album copyright, track disc number, album arranger, album isrc, album ensemble, track file type, album encoding, album ean/upn, track lyrics, track isrc, track conductor, track genres, track ensemble, album conductor, track part, track lyricist, track part number, album performer, album part, album version, track version, track comment, track opus, album author, track source media, album composer, track encoding, track encoded-by, track author, track performer, track label number, album location, track tags, album disc number, track ean/upn, track license, album encoded-by, album lyricist, track creators, album source media, album label catalog number, album opus
* [http://www.apple.com/itunes/store/podcaststechspecs.html#_Toc526931673 iTunes RSS extensions]
** Properties: track title, album title, track sample, album genre, album cover image, track artist, track length, description, track release date, track format, track id, track summary, album owner, album owner e-mail, album website, album language, track tags, album licensing
* [http://www.discogs.com/release/705805 Discogs]
** Properties: album artist, track title, album title, album tracks, album label, album release date, track number, album genre, track artist, album format, album rating, album catalog id, album style, album notes, album country
===== In-active Music Services  =====
* [http://music.yahoo.com/ Yahoo! Music Unlimited]
* [http://www.musicmatch.com Musicmatch] (Merged with Yahoo! Jukebox)
* [http://www.musicnet.com MusicNet] (Service Provider)
* [http://www.musicnow.com AOL Music Now] (Merged with Napster)
* [http://www.nate.com Nate.com] (Appears to be Korean, cannot find album examples)
* [http://www.nextradiosolutions.com Next Radio] (Service Provider)
* [http://www.soundbuzz.com Soundbuzz] (Requires MS IE6)
* [http://www.starbucks.com Starbucks] (Requires Flash 8 player)
* [http://www.streetcds.com/ Street CDs] (parked domain name)
* [http://www.synacor.com/content/index.php Synacor] (Service provider)
* [http://www.telecomitalia.com/ Telecom Italia] (Service provider)
* [http://www.terra.es/pixbox/ Pixbox (Terra) ] (Windows application)
* [http://www.virgin.com/downloads  Virgin Digital] (merged with Napster)
* [http://www.virginmega.fr/ Virgin] (Requires Windows)
* [http://www.yeahronimo.nl Yeahronimo (Commodoreworld)]
====Discographies====
Pages about audio recordings, but not necessarily downloadable files or purchasable product:
*Soundtrack Collector
**[http://soundtrackcollector.net/catalog/soundtrackdetail.php?movieid=9659 The Legend of 1900]
* Wikipedia
**[http://en.wikipedia.org/wiki/Dark_side_of_the_moon The Dark Side of the Moon]
=== Analysis ===
==== Analysis of Music Podcasts ====
'''Podcast Statistics (8 sites analyzed)'''
* title: 100.00%
* published: 100.00%
* position: 100.00%
* download: 100.00%
* RSS Feed: 87.50%
* description: 87.50%
* contributor: 87.50%
* section: 75.00%
* length: 62.50%
* genre: 62.50%
* photo: 50.00%
* format: 37.50%
==== Analysis of Music Services ====
Shown below is the most popular information listed for music albums and songs. This includes analysis of over 84 online music sites.
'''Album and Song Statistics (41 current sites analyzed, 84 total sites analyzed)'''
* album artist: 95.12%
* track title: 90.24%
* album title: 87.80%
* album tracks: 80.49%
* album release date: 73.17%
* album cover image: 73.17%
* track number: 70.73%
* album label: 68.29%
* track sample: 68.29%
* track web-based purchase: 60.98%
* album web-based purchase: 60.98%
* album genre: 58.54%
* track artist: 56.10%
* track length: 51.22%
* track price: 51.22%
* album price: 48.78%
* description: 39.02%
* album format: 26.83%
* track release date: 26.83%
* album sample: 24.39%
* album length: 21.95%
=== Microformalyze Data Files ===
You will need to use [http://wiki.digitalbazaar.com/en/Microformalyze Microformalyze] to read and analyze these data files:
* [[audio-info-services-ufa | Music Services Microformalyze]] data file
* [[audio-info-podcasts-ufa | Music Podcasts Microformalyze]] data file
=== Further Analysis Regarding Summaries ===
Martin McEvoy did a more concentrated analysis on album/podcast/track summaries and found that the initial analysis was too constrained when it came to identifying if an album/podcast had a summary or not. His findings are available below:
* Podcasts 100% of 8 available sources
* Individual Publishing of Music 100% 0f 2 available sources
* Music Podcasting 80% of 9 available sources
* Mashups, remixes, cut-ups and audio-collages 50% of 4 available sources
* Service Publishing of Music 54% of 39 available sources.
==== Podcasts ====
Podcasts: 100% or available sources
* Web Essentials Audio: yes
* Chris Pirillo podcast: yes
* Reflog's Random Thoughts: yes
* Evil Genius Chronicles podcast: yes
* Jake Steinfeld's Audio Blog: yes
* Matt's today in history: yes
* Buzz Out Loud: yes
* Ruby On Rails Podcast: yes
==== Individual Publishing of Music ====
Individual Publishing of Music: 100% of available sources
* Brad Sucks music: yes
* Scott Andrew - lo-fi acoustic pop superhero!:  yes
* Portishead Remixed: unavailable
==== Music Podcasting ====
Music Podcasting: 80% of available sources
* Coverville:yes
* Magnatune podcasts: no
* Radio Clash: yes
* Daily Source Code: yes
* Rock and Roll Geek show: yes
* Accident hash: yes
* Veer cast: yes
* Concert Blast: yes
* 3 hive podcast: some
==== Mashups, remixes, cut-ups and audio-collages ====
Mashups: 50% of available sources
* Mashup of the week: yes
* banned music: yes
* illegal art: no
* cc mixter: no
==== Service Publishing of Music ====
Service Publishing of Music: 54% of available sources
 
* AudioFind: yes
* Telstra BigPond: yes
* Bitmunk: yes
* Download Punk: no
* FYE: yes
* iMusic: no
* AON Music: no
* MSN music: yes
* TDC Online: yes
* Audio Lunchbox: no
* Chaos Music: no
* Sony Connect: unavailable
* Digirama: no
* eMusic: unknown login required
* FNAC: yes
* Sanity: yes
* MisRolas:no
* MTV Shop: yes
* Musica360: no
* Musicload: no
* Napster: yes
* PartyMob: no
* Peer Impact: yes
* Pure Tracks: no
* Reggae Country: no
* Real/Rhapsody: no
* Ruckus: unknown, login required
* Sanity: no
* Starzik SARL: no
* CellCity: unavailable
* top100.cn: yes, I think (chinese)
* Wippit: no
* Yanga: no
* somesongs: no
* Magnatune album: yes
* SONG FIGHT!: yes
* Yes.com: no
* MySpace: yes?
* MusicBrainz.org: no
* Vorbis Comment Recommendations: shouldn't be here
* iTunes RSS extensions: hmm? shouldn't be here
* Discogs: no
* Last.fm: no
== Existing Practices ==
Listed below is an overview of existing patterns and practices found in the wild for audio information and metadata.
===Other schema===
*[http://atomicparsley.sourceforge.net/mpeg-4files.html MPEG4] - includes list of field names, for example "Genre", "Track number", "Disk number".
===Summary of common patterns discovered===
* There are two major forms of audio - single recordings and collections of recordings. Sometimes an audio collection can exist within a single file, with each recording playing back-to-back within the file. -- '' [[User:ManuSporny|ManuSporny]] ''
* On music service sites, the audio album is almost always described on the same page as the track listings. -- '' [[User:ManuSporny|ManuSporny]] ''
===Other attempts to solve The Problem===
* [[media-info-examples]] - Attempted to find an uber-microformat for describing media. Turned out to be too large of a task, thus the problem was split into attempting to create microformats for audio, video and images.
* [[audio-info-formats]] - Various formats have attempted to describe audio metadata from within the files.
== Related Pages ==
{{haudio-related-pages}}
* [[rel-enclosure]]
* ''Normative references for tags used''

Revision as of 23:29, 21 November 2007

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