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1 Physical Audio formats. 2 Digital Audio Formats Uncompressed (WAV)‏ Lossless compression (lossless WMA, FLAC)‏ Lossy compression (mp3, lossy WMA, AAC)‏

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Presentation on theme: "1 Physical Audio formats. 2 Digital Audio Formats Uncompressed (WAV)‏ Lossless compression (lossless WMA, FLAC)‏ Lossy compression (mp3, lossy WMA, AAC)‏"— Presentation transcript:

1 1 Physical Audio formats

2 2 Digital Audio Formats Uncompressed (WAV)‏ Lossless compression (lossless WMA, FLAC)‏ Lossy compression (mp3, lossy WMA, AAC)‏ http://en.wikipedia.org/wiki/Audio_file_forma t

3 3 Apple Dictates? iPod iPhone iTunes

4 4 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.

5 5 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

6 6 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.

7 7 Digital Rights Management

8 8 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.

9 9 Good or Evil?

10 10 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.

11 11 How to distinguish a pirate disk? Price = Quality

12 12 POCKET GUIDE TO RECOGNISING PIRATE MUSIC PRODUCTS

13 13 POCKET GUIDE TO RECOGNISING PIRATE MUSIC PRODUCTS

14 14 POCKET GUIDE TO RECOGNISING PIRATE MUSIC PRODUCTS

15 15 For Further Reference Apple discussion forum http://discussions.apple.com/category.jspa?categoryID=149 Digital Rights Management http://www.eff.org/issues/drm http://www.drm.info/ Digital Audio Best Practices http://www.bcr.org/cdp/best/digital-audio-bp.pdf The Internet-audio (r)evolution http://www.edn.com/index.asp?layout=article&articleid=CA46537 The Customer Is Always Wrong: A User's Guide to DRM in Online Music http://www.eff.org/pages/customer-always-wrong-users-guide-drm-online-music


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