Physical audio formats
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Physical Audio formats. Digital Audio Formats. Uncompressed (WAV) ‏ Lossless compression (lossless WMA, FLAC) ‏ Lossy compression (mp3, lossy WMA, AAC) ‏. Apple Dictates?. iPod iPhone iTunes. iTune therefore iAm?.

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Physical Audio formats

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Physical audio formats

Physical Audio formats

Digital audio formats

Digital Audio Formats

  • Uncompressed (WAV)‏

  • Lossless compression (lossless WMA, FLAC)‏

  • Lossy compression (mp3, lossy WMA, AAC)‏

Apple dictates

Apple Dictates?

iPod iPhone iTunes

Itune therefore iam

iTune therefore iAm?

  • digital media player application

  • is used for playing and organizing digital music and video files on iPod digital media players

  • is available as a free download for Mac OS X, Windows Vista, and Windows XP

  • can currently read, write, and convert between MP3, WAV, MPEG-4, AAC, and Apple Lossless.

Itunes store

iTunes Store

  • the number-one music vendor in the United States

  • has more than 8,000,000 songs

  • over 20,000 audiobooks

  • 2000 music videos and episodes of popular television programs

Apple fairplay

Apple FairPlay

  • Users can make a maximum of seven CD copies of any particular playlist containing songs purchased from the iTunes Store.

  • Users can access their purchased songs on a maximum of five computers.

  • Songs can only be played on a computer with iTunes or an iPod; other MP3 devices do not support FairPlay encoded tracks.

Digital rights management

Digital Rights Management

Steve jobs s main points on drm

Steve Jobs's main points on DRM

  • DRM has never and will never be perfect. Hackers will always find a method to break DRM.

  • DRM restrictions only hurt people using music legally. Illegal users aren't affected by DRM.

  • The restrictions of DRM encourage users to obtain unrestricted music which is usually only possible via illegal methods.

  • The vast majority of music is sold without DRM via CDs which has proven successful.

Good or evil

Good or Evil?

Music piracy causes

Music piracy causes

  • $12.5 billion of economic losses every year

  • 71,060 U.S. jobs lost

  • a loss of $2.7 billion in workers' earnings

  • a loss of $422 million in tax revenues

  • $291 million in personal income tax

  • $131 million in lost corporate income and production taxes.

How to distinguish a pirate disk

How to distinguish a pirate disk?

Price = Quality

Physical audio formats



Physical audio formats



Physical audio formats



For further reference

For Further Reference

  • Apple discussion forum

  • Digital Rights Management

  • Digital Audio Best Practices

  • The Internet-audio (r)evolution

  • The Customer Is Always Wrong: A User's Guide to DRM in Online Music

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