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Digital Music, MP3 Players, iTunes & All the Stuff That’s Fun to Know Barbara Chamberlin, Ph.D. Sponsored by the CAHE Technology Help Desk • 646-3305 What is digital music? Music on the computer Digital audio goes way back… 1989 Macintosh = ? Digital audio required space = = 1 song = 27.2 MB Storage math… Kilobytes (KB) • 1000 = 1 MB • Used to measure text, email, small files Storage math… Megabytes (MB) • 1000 KB • 1000 MB = 1 Gigabyte • Used to measure Office documents • Floppy disk =1.44 MB Storage math… Gigabytes (GB) • 1 GB=1000 MB • 1 GB=694 floppies • Used to measure BIG files, like video • How we measure hard drives now Storage math… • 1000 KB = 1 MB (email in KB) • 1000 MB = 1 GB (docs in MB) • 1000 GB = more space than your really need right now = 1 song = 27.2 MB Digital audio required space • Storage space (hard drives) were: – Expensive – Big and clunky – Slow Old: 1989 20 MB Hard drive $899 Old: 1995 1 GB Hard Drive $849 = 1 song = 27.2 MB = 1 GB Hard Drive ($899 in 1995) Would hold 35 songs So, NOW why all of the… QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Why the fuss now? • Storage drives got cheap • Storage drives got small • Audio compression got good 1 song = 27.2 MB 1 song = 2.4 MB or less Digital music is feasible! QuickTime™ and a TIFF (Unc ompressed) decompres sor are needed to see this picture. What is an MP3? • Compressed audio file What is an MP3 player? (iPod, Rio) • Hard drive that plays compressed audio files About MP3 players… • Little hard drives • Come in different sizes, can hold different numbers of songs • Come with different capabilities QuickTime™ and a TIFF (Unc ompressed) decompres sor are needed to see this picture. – Listen to audio – Record audio – Store data Getting music on the MP3 player • Demonstration: iTunes – Organize music into playlists – Rip music CDs – Write music CDs – Purchase music Uses: Play Music • All players will: – Play audio – Hook up to computer to download • Most players will: – Display information • Some players will: – Record audio – Act as hard drive QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Uses: Data • • • • • • Calendar Contacts Notes Hard drive backup Presentations Photos QuickTime™ and a TIFF (U ncompressed) decompressor are needed to see t his picture. Uses: Text • • • • Recipes Books News RSS Feeds Dictionary Uses: Language • iLingo: text based language dictionary with audio pronunciation • Record and practice your own language dialogue QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Uses: Audio • It is really easy to capture and use audio. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Uses: Audio • • • • Record class notes Conduct interviews PodCasting Car “stereo” QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. What can you do with digital audio? • Post to web site • Put into video applications • Place into PowerPoint • Share on other MP3 players • Burn to CD Uses: Other • • • • • • MapQuest driving directions Probe tools Flashlight “Reads” text files to you RSS feeds Karaoke In conclusion… • Door prizes/evaluation • Next Popcorn Technology Series – Friday May 20 – 3:30 pm – Web Sites that will Wow You • Talk with the Experts