Digital AudioTechnologies & Applications

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Portable Music Players

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Before Digital

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Before Digital

70s

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Before Digital

70s

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Before Digital

70s

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CD on market (1982)

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CD on market (1982)

It’s Digital!

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Not quite portable, is it?

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Digital files? Compress ‘em

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CODECS

Digital files? Compress ‘em

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CODECS

Digital files? Compress ‘em

ATRAC

AAC

WMA

Vorbis (OGG)

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CODECS

Digital files? Compress ‘em

MP3

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Digital Audio Players

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Digital Audio Players

1997 - MPManSaeHan Infomation Systems

Eiger Labs MPMAN F10 (1998)32 MB

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Digital Audio Players

1997 - MPManSaeHan Infomation Systems

Eiger Labs MPMAN F10 (1998)32 MB

1998 - Rio PMP300Diamond Multimedia

32 MB Internal MemorySmartMedia Memory Slot

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Digital Audio Players

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Digital Audio Players

6 GB Harddisk$500

2000 - Creative NOMAD JukeboxCreative Labs

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The Revolution

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The Revolution

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The RevolutionOctober 2001 - 1st iPod Introducing

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iPod Family

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iTunes + iTunes Music Store

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Online Music Stores

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Podcast

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