MPG Zvishandiso

Chinja MPG Kubva kune uye kuenda kune akawanda mafomati

Nezvedu MPG

MPG ndiro rimwe MPEG-1 kana MPEG-2 video se.mpeg, chete yakaderera kusvikira DOS-era software zvinodiwa.

Mashandisirwo Akajairika

Video distribution
Broadcast media
DVD video

MPG Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Chii chinonzi MPG faira?

MPG (MPEG) is a family of standards for coding audio-visual information.

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. Files dzichibuda kubva pazvirongwa izvi ndezvechirongwa ichi chaiva chakaitwa kuti chiite, kwete sarudzo yakaitwa nemunhu. 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 chinoita kuti mubrowser uite. 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.

I MPG ichatamba pafoni kana TV pasina kusvibisa bhatiri?

Muchokwadi, zvirizvo, nekuti machip mufoni, matablets, uye matelevhizheni anodecode izvi zvakasiyana-siyana zvepamberi muzvigadzirwa zvavo zvakazvipira kusilicon, 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, kwete decoding — codec inoshamisa, wrapper icho chinhu icho gallery app inogona kukanganwa.

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 kwezvinhu kana kugadzikana kunoenda. Kuti uwane chero chinhu chitsva, mufananidzo wenguva yese hauna kudhura chero chinhu chitsva uye unodzivirira kusangana nenyaya iyi munguva pfupi iri kutevera.

Ndeapi mazita ezvinyorwa zvinoenda kune MPG faira?

Pamusoro pechirongwa, kana mufananidzo. MPG haina subtitle stream yayo, saka sarudzo mbiri ndedzekuisa sidecar.srt faira mutambi anoisa pamwe nevideo, kana kupisa mufananidzo muframes panguva yekudzokorora. Sidecar inochengeta subtitle editable uye switchable asi inofamba seyechitatu faira iro rakaoma kushaya; kupisa muhupenyu hwese hwekutumira asi hazvigone kuiswa pasi mushure mekunge.

Chii chinoitika kana MPG achiri nemakore makumi matatu nemana?

Age pachayo hachisi chinhu — akawanda mafomati kubva kuti era ndivowo zvakanaka, zvakajeka nekuti zvese zvakanga makore makumi maviri kuti vaite navo. Chii chinokosha ndechokuti chii era akafungidzira: zvidiki mafaera, modest processors, hapana network, uye zvinhu munhu wese anofanira kusvika. Kwava vakafungidzira zvakare, format ndiro zvakanaka. Kwava havana, kuti ndicho chikonzero kuti kushandura. MPG ndiyo imwe MPEG program stream se.mpeg — the three-letter extension is a DOS-era truncation, not a different format.

Kushandisa MPG kunoda pasipoti?

Codecs zvinoda kuiswa mumidziyo iyi zvinopihwa nemakambani ane kodzero dzezvigadzirwa zvemitambo, uye kupihwa kwazvo kunoitwa nevanhu vanotengesa decoders—foni, browser, uye operating system—nguva yakareba usati wawana faira. Izvi ndizvo zvinoita kuti maforodha aya arambe aripo muhardware uye kuti zvirongwa zvemahara zvekushandisa zvivepo, uye hazvina kuchinja chero chinhu panyaya yekushandura faira yawakawana.

Ndinogona here kushandura zita rekuti extension sezviri pachena, kwete kushandura MPG?

Asi hazvina kuitika kare, uye zvinokosha kuziva kuti nei: kusvikira ndechimwe chiratidzo, uye bytes mukati mezvinyorwa zvakagadzirwa kuti zvive neimwe mhando. Kushandura zita refaira kunokonzera kuti zita riite serisina kunaka, uye chero chinhu chinovhura chinogona kubvisa faira kana kuisa mufananidzo. Mumwe mubvunzo unokosha ndewekuti kana iwe uchida kushandura zita refaira, iwe unofanirwa kuziva kuti ndeipi mhando yefaira iri.

Chii chinoitika kune yangu MPG faira mushure mekushandurwa?

Kukwira uye kushandurwa kwemhedzisiro kunogara paseva dzedu kwemazuva anenge 24, izvo zvinopa nguva yekurodha pasi mhedzisiro, uyezve zvinobvisa nekugadzirisa otomatiki. Kutumira kunoitika kuburikidza neHTTPS munzira mbiri. Hapana munhu anoverenga zvinhu, hapana chinhu chinonyorwa, uye hapana chinhu chinoendeswa kune mumwe munhu.