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UMMS > UVOD > Flashcards

UVOD Flashcards

1
Q

kaj je multimedija?

A

Multimedija je kombinacija vsebin v različnih oblikah (zvok, slika, video, animacije,tekst,…), ki tipično omogoča interaktivnost.

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2
Q

konvergenca?

A

“Združevanje prej ločenih tehnologij v enotno tehnologijo, z namenom ustvarjanja novih možnosti”

 konvergenca omrežij, naprav in storitev

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3
Q

radiodifuzija?

A

Oddajanje medijskega signala (TV, radio) vsem uporabnikom hkrati

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4
Q

modalnost interakcije?

A

Način upravljanja naprav

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5
Q

personalizacija?

A

Uporabniku prilagojeno (iskanje vsebin, uporabniški vmesnik,…)

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6
Q

prva omemba multimedije?

A

Prva omemba multimedije: za promocijo dogodka “LightWorks at L’Oursin”, 1966, Southampton, Velika Britanija (DISKO)

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7
Q

vsebine-sintetične vsebine?

A

dizajn, računalniška grafika (fonti, bitna vektorska grafika)

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8
Q

vsebine-zaščita?

A

watermarking, CA/DMR

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9
Q

dostop do vsebin-distribucija?

A

IP-based (iptv, webtv/internettv),
klasični zemeljski (rtv, dvbt, SAT DVB-s, kabel),
mobilni (dvb-h)

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10
Q

Zvok?

A

mono, stereo, prostorski zvok
formati: mp3, WAV, AIFF, FLAC, AAC, Vorbis
prvi zapis je bil na vosku/bakru

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11
Q

Slika-barve in ločljivost?

A

čb, sivinske, barvinske

koliko slikovnih elementov imajo (pixel)

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12
Q

Slika-formati?

A

Rastarski: Opisujejo posamezne pixel-e na sliki
 Gif, JPEG, PNG, TIFF, BMP, EXIF, RAW …
Vektorski: Vsebujejo geometrijske opise elementov na sliki, boljše obnašanje pri spremembi velikosti slike  SVG, CGM

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13
Q

Video?

A

vsaj 25 slik/s
1860-mutoskop, praxinoskop (naprava z večimi slikami=
1951 truman

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14
Q

video formati?

A 
NTSC DVD-720x480, 
HDTV 720p (1280x720)
HDTV 1080p (1920x1080)
2K (2048x1080)
4K (4096x2160)
Ultra high definition video 7680x4320
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15
Q

MM oprema

A

produkcija: kamere, mikrofoni, fotoaparati
konzumacija: tv, radio, igralne konzole, pc
oboje: pametni telefoni

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UMMS (4 decks)

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