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Computer Impact: Music By Chip Bowman & William Knight
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Music Sub-Categories PRODUCTION Old School Recording Old School Recording New Ways to Record New Ways to Record File Extension Quality File Extension Quality Mp3 Revolution Mp3 RevolutionDISTRIBUTION Evolution Towards a CD Evolution Towards a CD The CD The CD Mixing CD’s Mixing CD’s Emergence of MP3 Emergence of MP3 P2P File Sharing P2P File Sharing
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Old School Recording Only way to get music recorded was to be signed by a Record Label Company. Steps: 1)Get Signed (really hard) 2)Record Tracks 3)Record label creates a vinyl record
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New Ways to Record Software programs allow users to record their own music without going to Record Label Companies. Steps: 1)Record Music using Sound Recorder 2)Convert from.WAV file to.MP3 using decoder 3)Listen to music
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New Ways to Record (cont’d) Artists can also record straight to.MP3 format using different software Ex. Audio Surveillance
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File Extension Quality Common File Extensions:.WAV – Older File extension (takes up a lot of space).CDA – CD quality file extension.MP3 – A popular file extension (takes up little space) Can you hear a strong difference between CDA & MP3?
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MP3 Revolution MP3’s are good sound quality MP3’s are good sound quality MP3’s take up very little disk space MP3’s take up very little disk space Many MP3’s can fit on an iPod and other MP3 players Many MP3’s can fit on an iPod and other MP3 players MP3’s are easily converted using a decoder MP3’s are easily converted using a decoder MP3’s are the #1 file extension being shared on P2P networks MP3’s are the #1 file extension being shared on P2P networks
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Distribution Renaissance – Only performed live. Renaissance – Only performed live. 20 th Century – The ability to record music an play it back revolutionizes composition. 20 th Century – The ability to record music an play it back revolutionizes composition. Mid 20 th Century – Music is mass- distributed on vinyl records. Mid 20 th Century – Music is mass- distributed on vinyl records. 8-track and Cassette tapes make music portable. 8-track and Cassette tapes make music portable. CDs are introduced, quickly become the medium of choice for music distribution. CDs are introduced, quickly become the medium of choice for music distribution.
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The Compact Disc Diameter: 120 mm Diameter: 120 mm Thickness: 1.2 mm Thickness: 1.2 mm Made of Polycarbonate plastic; cheap to produce, easy to repair. Made of Polycarbonate plastic; cheap to produce, easy to repair. Red Book Standard CDs hold 650 MB or 74 minutes of music. Red Book Standard CDs hold 650 MB or 74 minutes of music. License held by Phillips License held by Phillips
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Mixing CDs As simple as moving files from folder to folder As simple as moving files from folder to folder Create list of music Create list of music Insert blank CD-R Insert blank CD-R Click “Burn” Click “Burn” Enjoy! Enjoy!
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MP3 and MP3 Players Music extracted from audio CDs as.mp3 files Music extracted from audio CDs as.mp3 files Audio quality degradation not perceivable Audio quality degradation not perceivable Smaller file size Smaller file size Means more can be stored in one place Means more can be stored in one place
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MP3 and MP3 Players Technology trend: smaller is better Technology trend: smaller is better MP3 players are more portable than CD players and CDs MP3 players are more portable than CD players and CDs Most Popular: iPod, by far. Most Popular: iPod, by far. 20 GB model holds the equivalent of 12.5 days of continuous music. 20 GB model holds the equivalent of 12.5 days of continuous music. What is too much? What is too much?
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P2P Netwroking It all began with Napster… It all began with Napster… Created in 1999 by Shawn Fanning Created in 1999 by Shawn Fanning Peaked at 26.4 Million users in Feb. 2001 Peaked at 26.4 Million users in Feb. 2001 Shut down July 1, 2001. Shut down July 1, 2001.
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Post-Napster Illegal Illegal Morpheus Morpheus KaZaA KaZaA WinMX WinMX Ares Ares LimeWire LimeWire BitTorrent BitTorrent Legal Legal MSN Music MSN Music Napster 2.0 Napster 2.0 iTunes iTunes
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iTunes $.99 per song $.99 per song Individual tracks or entire album Individual tracks or entire album Suggestions based on playing trends Suggestions based on playing trends Shared Folders: Shared Folders: Share your files with other users Share your files with other users They can only listen; not download They can only listen; not download
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You knew there’d be a way… myTunes and ourTunes myTunes and ourTunes Add-Ins to iTunes Add-Ins to iTunes Allow users to download music using shared folders Allow users to download music using shared folders Most popular on college campus where thousands of users use a single network. Most popular on college campus where thousands of users use a single network.
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Future What’s next for music? What’s next for music? Cell Phones? Cell Phones?
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