Transcoding 101 (Tutorial) - PBS

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Why Can’t We Just Use One Format • Specific purposes – Acquisition/editing (highest quality, generational fidelity, direct frame access) – Distribution (bandwidth, acceptable quality) • Hardware restrictions – Set top boxes – Cable bandwidth – Mobile phone processing power • Money – Manufacturer “lock-in” – Platform ownership – Royalties – Rhozet needs your business
What’s Next • Reduction in bitrate for the same quality • Will there be a codec twice as “good” as H.264 Ghanbari et al, University of Sussex
Page 1 and 2: Transcoding 101
Page 3 and 4: This Transcoding Thing… • The p
Page 5 and 6: Codecs • Codec = Compressor/Decom
Page 7 and 8: Codecs (cont.) • Codecs using int
Page 9 and 10: Containers • AKA “wrappers”
Page 11 and 12: Platforms • The device on which a
Page 13 and 14: Transformation In The Transcode Bas
Page 15 and 16: Calculating Performance • Stream-
Page 17: The Great Thing About Standards…
Page 21 and 22: Place Your Bets… • Acquisition
Page 23 and 24: Watermarking and Fingerprinting •
Page 25 and 26: Emerging Streaming Technologies •
Page 27 and 28: • You have questions… Q&A

Transcoding 101 (Tutorial) - PBS

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