MPG Zvishandiso

Chinja MPG kuenda uye kubva kune akasiyana mafomati

Nezvedu MPG

MPG faira rekuwedzera reMPEG-1 kana MPEG-2 mafaera evhidhiyo. Inowanzoshandiswa pakutamba kwevhidhiyo uye kugovera.

Mashandisirwo Akajairika

Video distribution
Broadcast media
DVD video

MPG Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Chii chinonzi MPG video faira?

MPG ndeimwe yemhando dzemavhidhiyo ayo anochengeta imwe kana kupfuura video streams, audio tracks, uye zvinyorwa zvinopihwa. Zvimwe zvemavhidhiyo zvinotsigirawo mamwe macodecs, saka kuwirirana kuri kuenderana neyakavharwa uye neyakavharwa.

Chii chinonzi MPEG program stream, uye nei faira rangu richishandiswa?

Iyi ndiyo multiplex yakagadzirwa kuti ikodzwe nehardware ine basa rakajairika munguva chaiyo, kwete kuti igadziriswe pakombuta. Audio nevideo mapakeji anosangana nenguva yekumisikidza mapepa kuti set-top box ikwanise kutanga kutamba kubva chero kupi mumvura, pasina index uye pasina kuchengeta faira yose. Iyo dhizaini ndiyo imwe yezvikonzero nei MPG zvinhu zvinotamba pazvinoita zvekare zvakajairika uye zvinokanganisa software nyowani. Zvinhu zvinoreva MPEG-1 kana MPEG-2 video neMP2 audio; muxing uye GOP kugadzira zvakafanana.mpeg faira.

Nei kutumira uye kuburitsa software ichi insists pa MPG?

Nekuti zvese zvakavakirwa pazvo. Playout servers, DVD authoring tools uye ingest systems zvakanyorwa pamusoro pechirongwa ichi apo chaive chazvino, uye zvinhu zvine makore makumi maviri nemana ebasa hazvina kupihwa zita. Mafaira anobuda kubva pazvirongwa izvi ndiwo mafomu ayo chirongwa ichi chakagadzirwa kuti chiite, kwete sarudzo yakaitwa nemunhu mumwe chete. MPG ndiyo kusvikira DVD authoring software, vanopfuura camcorders uye kutumira ingestion zvinhu kubvuma, saka inogara zvakanakira kune avo pipelines.

I MPG imwechete format seimwe yekuwedzera?

Yeah.

Nei browser yangu isina kutamba faira MPG?

Mabrowser anotumira decoders kune yakajairika yakaderera runyorwa rwemafomati, uye MPG haasi pazvo - kupihwa mvumo, mhando yecodec inokutendera, kana chete makore ayo anoichengeta kunze. Faira harisi kukuvadzwa uye desktop player ichaivhura, asi hapana chinhu chaunoita kune peji ichaita kuti mubrowser iite. Kushandura kune web-native container ndiyo chete nzira inonzwisisika yekutamba mumisoro. MPG anotora pazuva MPEG-2 kurambidzwa — heavy bitrate, interlacing, hapana soft subtitles — pamwe nekushaikwa kwezviviri kusvikira imwe format.

Nei yangu MPG footage ichiratidza mativi ekombuta pachinhu chero chipi zvacho chinofamba?

Nekudaro, kana iwe ukaona kuti vhidhiyo yako iri kubuda munzira isiri yakakodzera, unogona kuchinja iyo vhidhiyo uye kuisa iyo vhidhiyo munzira isiri yakakodzera. Kana iwe ukaona kuti vhidhiyo yako iri kubuda munzira isiri yakakodzera, unogona kuchinja iyo vhidhiyo munzira isiri yakakodzera. Kana iwe ukaona kuti vhidhiyo yako iri kubuda munzira isiri yakakodzera, unogona kuchinja iyo vhidhiyo munzira isiri yakakodzera. MPG ndiyo imwe MPEG program stream se.mpeg — the three-letter extension is a DOS-era truncation, not a different format.

I MPG ichatamba pafoni kana TV pasina kusvibisa bhatiri?

Muchokwadi, zvirizvo, nekuti machip mufoni, matablets, uye matelevhizheni anodecode izvi zvakasiyana-siyana zvepamberi muzvigadzirwa zvavo musilicon, kwete pakutanga processor. Izvi ndizvo zvinosiyana pakati pevhidhiyo iyo inotamba zvakachena kwemazuva maviri neimwe iyo inopisa chigadzirwa ichi uye inodziya ichi muminutu makumi maviri. Mumwe mufananidzo unodzikira ndewekuti app inotsigira asi haisi decoding — codec inoshamisa, wrapper inoita kuti gallery app irege.

Ndinofanira kuchengeta mavhidhiyo se MPG?

Kunyangwe kana chimwe chinhu chichida kuitwa. Mufananidzo unoramba uchivhura, uye hapana kuomarara nezvekushandura archive iyo haisi kukonzera dambudziko, asi haisi kusvikira ikozvino uko kugadzirwa kana kugadzikana kunoenda. Kuti uwane chero chinhu chitsva, mufananidzo wenguva dzose hauna kudhura chero chinhu chitsva uye unodzivirira kusangana nenyaya iyi munguva pfupi iri kutevera.

Nei MPG kushandura kune imwe video format?

Convert MPG kuti MP4 kana iwe uchida Universal kutamba — web browsers, Mobile zviwanikwa, smart TVs uye kushandura apps vese kutamba MP4 natively. Convert to WebM for web embedding where smaller file size matters. Convert to MOV kana uchishanda mu Final Cut kana mamwe Apple-native pipelines.

Does MPG kuchinja re-encode video?

Kana iyo codec iri mukati MPG iri kuwirirana neyakatarwa chigaro isu remux pasina re-encoding (rapid, lossless). Kana iyo codec inofanirwa kuchinja (semuenzaniso HEVC kune H.264) iyo video inowanzo re-encoded - yakaderera, neyakaderera generational quality cost.