MP4 MP3

Maida Naka MP4 zuwa MP3 fayiloli da wahala

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Yadda ake canzawa MP4 zuwa MP3

Mataki na 1: Loda naka MP4 fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.

Mataki na 2: Danna maɓallin 'Maida' don fara hira.

Mataki na 3: Sauke fayil ɗin da aka canza MP3 fayiloli


MP4 zuwa MP3 Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan fitar da sauti daga fayil ɗin MP4 na kamar MP3?
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Ka shigar da fayil MP4 kuma mai maida zai demuxes saurin sauti, sa'an nan ya sake shi zuwa MP3. Babu wata hanyar bidiyo ta biyu - ana cire wakar gani da wuri don haka fitarwa zai fi sauri fiye da sake-saukar da shi gaba ɗaya. MP4 ne ISO/IEC 14496-14, standardized a cikin 2001 da kuma dauke daga irin QuickTime akwatin zane MOV amfani. MP3 shi ne MPEG-1 Audio Layer III, wanda aka kammala a cikin 1993, kuma har yanzu shi ne mafi yawan tsarin sauti mai iya decodewa a duniya da ke akwai.
An ɗaga shi zuwa stereo, saboda MP3 ba shi da wani nau'in dandamali mai yawa. An yi amfani da ƙananan haɗe-haɗe na ƙananan haɗe-haɗe don haka zauren magana na tsakiyar dandamali yana da kyau kuma an haɗa wuraren da ke kusa a matakin da aka rage. Duk abin da ya dogara kan wurin dandamali na daban ya tafi idan wannan ya faru. MP3 an yi masa laifi da AAC da Opus a duk bitrate, ba zai iya adana kan kan kanana biyu ba, kuma yana ƙara wani lokaci mai ƙarancin lokaci na encoder.
Bitrate na diff ga MP3 mai rasawa shine 192 kbps, wanda yake bayyananne ga kiɗa. Za ka iya canza shi zuwa 320 kbps (audiophile) ko 96-128 kbps (zabe / podcast / fayil mai ƙarancin girma). An nuna jerin bitrate a cikin zaɓuɓɓukan ci gaba kafin ka danna canjawa.
Idan MP3 ba'a rasa shi ba (WAV, FLAC), za'a kiyaye kowace misali daidai. Idan MP3 ana rasa shi (MP3, AAC, OGG, Opus), codec ɗin MP3 zai sake ƙunsar sauti na asali — a 192 kbps sakamakon zai zama bayyananne ga kusan dukkan abun ciki. Zuwa da rashin asara → babu asara ba zai sake komai ba daga bayanin da aka manta da shi. @ info: shell
Ta ƙayyadadden, na'am — 48 kHz sauti cikin MP4 naka zai zauna 48 kHz cikin fitarwa MP3. Don CD-burning ko na'urar wasa ta gargajiya za ka iya rage misali zuwa 44.1 kHz ta hanyar saukar da jerin adadin misali; mai sake nazarin misali yana da inganci mai girma na SoX.
Na'am — ka bar wata ƙuƙwalwar fayiloli MP4 kuma mu fitar da sauti cikin daidaito. Masu amfani da Premium suna samun ma'aikata masu daidaito da yawa; a kan ƙuƙwalwar fayil 50 wannan shine bambancin tsakanin minti biyu da minti goma.
Idan MP4 na da sashe ko kuma metadata na ruwa, za mu kwafe shafuka na suna / mai waƙa / alƙawari cikin ƙofar MP3. In ba haka ba, MP3 zai fito ba tare da wata alamar ba — amfani da mai sarrafa alamar (Mp3tag, Picard) bayan fitarwa domin samun alamar da ta fi ƙarfi.
Audio demux + encode ne mai sauri - a kan 5 zuwa 15% na lokacin da ake bukata. 1-hour MP4 → MP3 ya ƙare cikin kusan minti 3 zuwa 9 a kan hanyar samarwa; Premium parallelism na rage wannan har zuwa aiki na bangare.
Ba a cikin wannan kayan aiki kai tsaye ba — cire sauti mai cikakke kamar MP3, sa'an nan kuma amfani da /audio-trim/ ko /audio-cutter/ don kakkabe sashe. Hanyar matakai biyu tana da sauri fiye da aiki mai haɗawa kuma tana ba ka daidaitaccen kulawa na mataki na siffar tarwatsa.
Na'am - irin wannan tsari na sirri kamar kowane canji: ma'aikata masu tsare-tsaren, babu nazarin mutum, cirewa ta atomatik cikin minti na kammalawa. Tagan tsare-tsaren bayani a kan /privacy/.
Kafin ko da yaushe akwai zaɓin maɗaukaki-maɗaukaki: MP4 yana da waƙoƙin sauti da yawa kuma mai demuxer ya zaɓi wani maɗaukaki maras amfani ko mai taimako. Yi amfani da mai zaɓar "waƙoƙin sauti" na ci gaba don zaɓar maɗaukaki 0, 1, 2 da bayyananne, ko kuma a yi niyya ga wani MP3 mai ƙonawa wanda ke goyon bayan fitarwa mai waƙoƙi da yawa (FLAC, OGG).
An kiyaye tsarin gidan rediyo daga MP4 bisa diff — 5.1 MP4 na samar da 5.1 MP3 idan MP3 codec na goyon baya shi (AAC, FLAC, OGG, Opus). Zaɓin haɗe-haɗe na ƙasa yana sanya stereo ko mono — mai amfani ga ayyukan podcast inda waƙoƙin surround ke kashe bitrates.

MP4

Tsarin kwantena na MP4 zai iya ɗaukar bidiyo, sauti, ƙan bayanai, da hotuna a cikin fayil guda tare da matsi mai kyau.

MP3

Fayilolin MP3 suna amfani da matsi mai rage girman fayil yayin da suke kiyaye ingancin sauti mai kyau ga yawancin masu sauraro.


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