Digital Video Production in a PC World Ways of getting it done!
Types of Media MEDIA VHS VHS 8 mm 8 mm Hi-8 Hi-8 SVHS SVHS Digital Hi 8 Digital Hi 8 Mini DV Mini DV Micro DV Micro DV DVD DVD Cabling A/V RCA cables A/V RCA cables SVideo Cable SVideo Cable Stereo/Mono Audio (RCA) Stereo/Mono Audio (RCA) Firewire Cable Firewire Cable Dual Data lines=Fast transfer rates POWER Pair 2 data flow Pair 1 data flow Sony i-Link
Analog vs. Digital Read Articles: eo.pdf eo.pdf eo.pdf eo.pdf Daily/Video.Editing/avd.htm Daily/Video.Editing/avd.htm Daily/Video.Editing/avd.htm Daily/Video.Editing/avd.htm
Capturing & Converting Analog to Digital VHS, S-VHS, or High 8 tapes = analog signal VHS, S-VHS, or High 8 tapes = analog signal Digitize using software encoder & video input device Digitize using software encoder & video input device Firewire 1394 Card Firewire 1394 Card USB USB
Digital Input to Computer Firewire 1394 Firewire 1394 Sonys I-Link Sonys I-Link USB & converter USB & converter
Digital Advantage No Generational Loss No Generational Loss Digital Audio (CD-quality) Digital Audio (CD-quality) No Static or fuzziness No Static or fuzziness Progressive-Scanned Image (not interlaced) = sharper image, no blurring Progressive-Scanned Image (not interlaced) = sharper image, no blurring Can Carry Non-video Data Layers for interactivity Can Carry Non-video Data Layers for interactivity Superior Transfer of Colors Superior Transfer of Colors
What is Compression? Video files are huge – need for compression algorithms Video files are huge – need for compression algorithms Most Common: Most Common: MPEG-1 Small movie size, poor quality MPEG-1 Small movie size, poor quality MPEG-2 Decent at a reasonable file and screen size – used for CD or Web-based MPEG-2 Decent at a reasonable file and screen size – used for CD or Web-based MPEG-4 Near DVD quality with monitor-size movies MPEG-4 Near DVD quality with monitor-size movies
Codecs A Codec is a coding method that facilitates the distribution and smooth playback of digital movies. This is apply when saving the movie before playback. Viewers are in stalled on the computer that employ the same codec. A Codec is a coding method that facilitates the distribution and smooth playback of digital movies. This is apply when saving the movie before playback. Viewers are in stalled on the computer that employ the same codec.
Codec CodecQuality Typical Use Indeo Small enough for Web playback Quality movies that will be played back from the hard drive CinePak Decent movie quality at CD data rates Playback from CDs on PCs and MACs Sorenson Good quality movie Used with QT for both PC & MACs DV-NTCS Very High Quality Used for transferring video clips from camcorder H.261 Decent over phone lines & ISDN Used for tele conf.
File Formats.AVI (Audio Video Interleave)-- Open architecture so designers can include many types of compression and playback options to suit their projects..AVI (Audio Video Interleave)-- Open architecture so designers can include many types of compression and playback options to suit their projects..MOV --Quicktime is cross-platform compression that retains high quality..MOV --Quicktime is cross-platform compression that retains high quality.
Streaming Video Server-based streaming video begins playback as soon as viewer opens Web page. Each type of streaming video format requires a special server-based deployment, equipment, or development package. Server-based streaming video begins playback as soon as viewer opens Web page. Each type of streaming video format requires a special server-based deployment, equipment, or development package.
Video Streaming Streaming Type Background Typical Use RealMediaRM RealNetworks proprietary -- viewer & developer Creates Web-based or server-based streaming movie Windows Media Format (WMV) Free player, encoder, & production software Creates Web-based or server-based streaming movie. QuickTime (MOV) Free player Best quality generally speaking than other two types.
Cables, Cameras, Software, More uipment_index.htm uipment_index.htm uipment_index.htm uipment_index.htm
Common Video Capture Software Features Pre-record playback to screen Pre-record playback to screen Digital Video Device Options (MS 1394, USB) Digital Video Device Options (MS 1394, USB) Compression Options (MPEG-4, MPEG-2) Compression Options (MPEG-4, MPEG-2) Renaming & Save File Location Options Renaming & Save File Location Options Direct Monitoring of the Recording Process Direct Monitoring of the Recording Process Playback of Recorded Movie Playback of Recorded Movie Variations on the Video Capture Theme Variations on the Video Capture Theme Special Effects (A/B roll, Titling, Digital Effects) Special Effects (A/B roll, Titling, Digital Effects)
MS Producer Features int/MS_PRODUCER.ppt int/MS_PRODUCER.ppt int/MS_PRODUCER.ppt int/MS_PRODUCER.ppt INSTALL: roducer.exe INSTALL: roducer.exe roducer.exe roducer.exe int/Windows%20Media%20Encoder%207.ppt int/Windows%20Media%20Encoder%207.ppt INSTALL: wmencoder71.exe INSTALL: wmencoder71.exe wmencoder71.exe wmencoder71.exe Windows Media Encoder Features