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Published byAlexandrina Blake Modified over 9 years ago
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Video & Audio in the Digital Age Chaps. 17 & 18
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Reminder… Complete a TV News package about the event you shot Write a script and submit it – use the sample Come in for more training as needed Due by Friday
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Three kinds of reception By air NTSC, DTV By conduit Cable, satellite, IPTV By hand VCRs, VCDs, DVDs, digital files Our purpose in studying technology Creation and distribution of content
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What’s Missing? Mobile media Connected devices (Roku, Apple TV, Google TV/Chromecast) ‘The Cloud’ / Internet video viewing / ‘virtual DVR’ 3D-TV 4K / ‘Ultra HD’ TV ($3500 TV now available)
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Home Video: Monitors CRT Projection Plasma LCD DLP LED OLED
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Home Video: Digital files The Cloud Virtual DVR Connected device Smart TV Access to all content Always VOD Linear vs. non-linear programming Bandwidth limitation and cost
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Digital Video: licensing Netflix, HuluPlus Traditional TV networks Specialty networks Replacement of MVPDs Digital copyright protections—Netflix example
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Digital Audio: history CD DCC / mini-disc CD-R / CD+R / CD-ROM etc. Early MP3 players / iPod (later video) Professional: Audition or ProTools – DAW Media files, ftp files, ISDN
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Digital Audio Files Napster / Grokster / P2P file sharing Older copying vs. digital file sharing RIAA Laws Audio Home Recording Act Digital Performance Right in Sound Recordings Act No Electronic Theft Law Digital Millennium Copyright Act
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Copy Protection DRM-free not free to copy Encrypted files TVRO example Criminal and civil liability
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Selling digital audio iTunes approach Rhapsody Approach Various services (see text) – what economic model? ‘the Cloud’ Cyberblocker services Pirating / international issues
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Application to Radio AM and FM – analog signals RDS & HD Radio – digital signals RDS – Radio Data Systems – song & artist, weather, traffic HD Radio – HD1, HD2, HD3 -- IBOC Automation systems Versus ‘live assist’ or voice-tracked (Winamp, iTunes) Enco, TuneTracker, etc.Enco Voice tracking Voice tracking
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