AVCHD - abin da irin format? Advanced Video Codec High Definition - Advanced Video Codec High Definition

Mutane da yawa magoya duba high quality video da kuma ƙuduri quite sau da yawa fuskanci AVCHD format. Menene wannan format da kuma yadda shi ya bambanta daga dukkan halitta kafin yanzu, kuma za a dauke. Bugu da kari, musamman da hankali za a biya su da fasaha da kuma shirye-shirye, wanda damar yin aiki tare da sabon AVCHD misali.

AVCHD: wace irin girma?

Ko da yake a wannan lokacin da ta je video, sauti taka rawar a. Kanta decrypt wannan raguwa tana nufin musamman don ci-gaba Video Codec High Definition (Babba da Video Codec High Definition).

Wannan misali ne mai gwada sabon fasaha da kuma amfani da video matsawa dangane da matsawa MPEG4 AVC / H.264.

Sauran rikodin bidiyo Formats, misali, MPEG2 sabon misali ne a fili rasa, saboda AVCHD kai mafi kyau quality a matakin 720p, 1080p, kuma 1080p, kuma ya rage bukatar data ajiya.

Tarihi da kuma bambance-bambancen karatu

Idan ka duba a ci gaba da tarihin, AVCHD rikodi format aka asali halitta kamar yadda wani irin madadin ga misali HDV da DV, wanda har kwanan nan rinjãya a kan mabukaci da kuma sana'a camcorders.

Domin da farko lokacin da wani sabon misali da aka ɓullo da a 2006 kamfani Matsushita Electric Industrial Co. Ltd., wanda aka sa'an nan rayayye hada kai tare da daya daga cikin shugabannin su a filin na photo, video da kuma audio - duniya-mashahuri Panasonic. Sa'an nan amfani da sabon tsarin da aka rage na musamman da kyamarori.

Shi ne kawai a 2008, a cikin hadin gwiwa tare da Sony Corporation ya sanar da wani m-jihar rikodi fasaha, wanda ya kai ga bayyanar da farko masu sana'a camcorders.

da farko format kanta kan lokaci ya halartar wasu canje-canje (akwai lokatan da dama versions na shi tare da daban-daban sigogi da gyare-gyare). Don kwanan wata, ya bambanta tsakanin wadannan:

• AVCHD Lite - Lite format da wani ƙuduri na kawai 720 layuka da kuma mita Allon labari 24, 50 ko 60 FPS.
• AVCCAM - format sana'a video kyamarori dangane 3-matrix CCD-haska barin wani bit kudi to rikodin 24 Mbit / s, da alaka fadin XLR Reno shigar da kantin sayar da fim a kan SSDs.
• NXCAM - «tsabta» format daga Sony, iya rikodin bidiyo a 720p quality, 1080p, kuma 1080i, amma ba aiki tare da firam kudi na 24, 25 da kuma 30 FPS.
• AVCHD 3D / Progressive - format 2011 karshe to version 2.0, tana goyon bayan stereoscopic video rikodi da 1080p / 50-60fps sigogi).

used video codecs

Amma ga video, amfani da codecs da decoders ga mafi part ne bisa MPEG-4 matsawa da fasaha, duk da haka, da 'yan wasu zaɓuɓɓukan.

Shigar da wannan video codecs da aka ba aiki domin XP. Don yin wannan, kana bukatar kawai don samun sabuwar version of rare kunshin K-Lite. Amma a cikin tsari na shigarwa maimakon misali sa na samarwa "Saita" allo, zaɓi Advanced kuma Tick dukan abubuwa gabatar a cikin jerin.

Bugu da kari, installable video codecs for XP ko sama da daraja daga cikin tsarin za a iya raba biyu Categories - AVCHD-SD (misali definition) da kuma AVCHD-HD (High Definition). Bisa ga wannan, za mu iya rage kamanta halaye na biyu nagartacce.

audio decoders

Tare da audio kasuwanci da shi ba haka ba ne mai sauki. Dalili na siginar hira sa biyu main fasahar - mikakke PCM da Dolby Digital. Duk da haka, kamar yadda na sauti, mutane da yawa a fili, ba su fahimta da bambanci tsakanin inganci da audio rarraba.

Saboda haka, saboda wasu dalilai, wasu masu amfani kira ingancin sauti rikodi format 5.1, 7.1 ko 8.1. Ka tuna: shi ne ba da ingancin, amma kawai da yiwuwar siginar rarraba a panoramic game.

Za ka iya zana wani misalin da na'urorin kira crossovers. Za su iya raba mita da kuma shiryar da su zuwa ga dace jawabai. Idan kowa ya tuna, a Soviet sau samar shafi Radiotehnika S Series da wani bude waje panel, a cikin abin da kasa na low-mita mazugi ba a tsakiyar - da midrange da kuma saman - tweeter.

Haɗa zuwa amfilifa crossover iya tura wani takamaiman mita kewayon m zuwa sauti halaye na magana.

Amma cikin sharuddan da rarraba kewaya-sauti amfani ne da wani panoramic fasalin. A audio quality ne m da bit kudi da kuma daukan samfur mita. A wannan yanayin, da audio za a iya buga baya tare da halaye a matakin 320 kbit / s 96 kHz (sana'a sauti, da sigogi kama da format lossless).

fanni na aikace-aikace

Yanzu, wani al'amari zuwa ga AVCHD misali. Abin da irin format ne kadan m. Bari mu dubi mafi m yankunan da aikace-aikace.

Ba a ma maganar da yiwuwar amfani da wannan misali game da harbi fina-finai ko cikin sharuddan aiki video ko audio sigina, shi iya lura da cewa babban shugabanci na ta ci gaba, gyara da kuma yin amfani da dijital ya zama, musamman, HDTV karba, dijital biya tashoshi.

Af, a cikin wannan Brazil, wannan misali da ake amfani da dukan duniya na dijital TV sabis. A Koriya ta Kudu, shi da aka saka a cikin wani Digital Multimedia Watsa tsarin, da kuma Japan sabis Fuji Television da kuma NHK wannan misali hade da hannu kashi na kasuwar.

dako

Kamar yadda wani janar mulki, don adana bayanai a cikin irin wannan hanya na matsawa na video da kuma audio tsarinsa amfani da m-jihar tafiyarwa. Idan a farkon da ci gaban wannan misali da ake amfani da musamman Blu-ray fayafai ko musamman kafofin watsa labarai AVCHD (8 cm), amma yanzu da fayiloli daga wannan format za a iya sauƙi adana a kan rumbun kwamfutarka ko žwažwalwar ajiya mai ciruwa, Memory Stick Pro da SD.

A tambaya shi ne: da yadda za a haifa ko gyara kayan? Akwai da dama wajen.

AVCHD: ku bude?

Idan yana da wani software tsarin cikin sharuddan play, batun samuwar codecs da decoders na wani aikace-aikace a cikin wani nau'i na player ko wani shirin don gane video format sauƙi.

A mafi asali version, za ka iya amfani da wannan Windows Media Player, ko kuma a kalla mai ban sha'awa samfurin kira VLC Media Player. Irin wannan na kowa shirin for video, ba zato ba tsammani, yana da mafi girma iya aiki fiye da misali Windows kayan aikin.

Kamar yadda na lura, akwai wasu matsaloli. Da fari dai, babban matsala ne don kwafe abu da wannan kyamara ko AVCHD Disc. Fayil tsarin kafofin watsa labarai UDF 2.5 «ekspishkoy" Ba a tallafawa. A mafi sauki bayani a gyara matsalar shi ne shigar da ƙarin software kunshin Nero InCD.

Bugu da kari, da fayiloli kansu kama a kamara za a iya sanya shi a cikin rafi shugabanci, wanda yake a ɓõye, a cikin tushen directory na na'ura ko sub-manyan fayiloli.

Bude da taimakon masu sana'a kayayyakin aiki, kamar Sony Vegas Pro ko wani abu dabam ba a tattauna.

Import video a cikin wannan format iya ko da shirin kamar aikace-aikace na audio aiki kamar Sony Sound ƙirƙira ko Adobe duba CS.

Maida AVCHD zuwa wani format

AVCHD don canja wurin zuwa wasu zaa iya karanta Formats, yawanci amfani da musamman software converters, wanda za a iya samu a yau, kamar yadda ya cancanta.

A babban manufa an rage kawai ga gaskiya, don zaɓar abubuwa ya zama tana mayar, da kuma saka da manufa data type. A saituna ka kuma iya saita zabin da ya dace video da kuma audio aiki dasu.

maimakon sakamako

A nan, haƙiƙa, da kuma duk abin da ya yi tare da AVCHD video misali. Menene wannan format da kuma abin da yake da inganci, shi ne mafi alhẽri kimanta kai tsaye a lokacin da na duba abu a kan wannan lebur-panel televisions. Idan aka kwatanta da sauran halin yanzu data kasance Formats, wannan shi ne mafi ingancin, a Bugu da kari, shi ne ba Resource m kyamarori, televisions, kwakwalwa ko ta hannu da na'urorin. Af, da video matsawa Hanyar fakitoci abu haka da cewa shi ne a kan kowane ajiya kafofin watsa labarai har ma da yawa sarari, kamar yadda da ra'ayin da aka yi m. A general - wasu abũbuwan amfãni.