Mataki na 1: Loda naka AMR 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 OGG fayiloli
AMR zuwa OGG Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza sauti daga AMR zuwa OGG ba tare da rasa inganci ba?
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Ka shigar da fayil AMR kuma mai maida zai zaɓi OGG codec da bitrate don ya haɗu da ma'anar. OGG ba da asara (WAV / FLAC / ALAC) zai kiyaye kowace misali da bit-identical; OGG da asara (MP3 / AAC / OGG / Opus) zai ƙirƙiri zuwa 192 kbps wanda yake bayyananne ga mafi yawan kunnuwa. AMR shi ne narrowband magana codec aiki tsakanin 4.75 da 12.2 kbps, modeling da mutum vocal tract a matsayin mai cikakken audio spectrum. Vorbis cikin OGG yana da asara kuma yana amfani da bitrate mai canzawa bisa diff, don haka an ƙayyade ingancin a matsayin mataki maimakon ƙididdigar kbps mai daidaita.
Shin OGG zai yi wasa a cikin motar ta ko a kan kayan aiki na daɗaɗɗe?
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A mafi yawan lokuta ba haka ba. AMR ana decode da duk wani abu, ciki har da ƴankunan kafa na mota da masu wasa da suka shahara; OGG yana buƙatar kayan aikin da ke sani da codec, wanda kayan aikin da ke da kansu ba su da shi. Idan maɓallin shine na mota ko mai wasa mai saukewa, wannan yana da hujja mai ƙarfi don zama a kan AMR. OGG yana da goyon baya na kayan aiki mai rauni - na'urorin stereo na mota, iPods da yawa da kuma TVs ba za su iya ganin fayil ba a ko ina.
Me ya sa kiɗa take da zafi a cikin wannan canji?
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@ info: shell AMR na halaka kiɗa: bandwidth ɗinsa na 8 kHz yana cire duk abin da ke sama da frequencies na waya, kuma babu adadin sake-encoding yana dawo da shi.
Mene ne bitrate ɗin da fayil ɗin da ya samo OGG zai yi amfani da shi?
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Diflomasiyya ita ce 192 kbps ga OGG mai rasa; wucewa-ta-tare ga OGG mara rasa. Ka sake zuwa 320 kbps ga audiophile ko 96 kbps ga magana / podcast. Zaɓin yana musanya girman fayil da amincin ji; ƙasa da 96 kbps artifacts masu rasa suna zama masu gani a cikin kiɗa.
Shin tafiya daga AMR zuwa OGG za ta rage ingancin sautina?
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Idan AMR yana da asara kuma OGG ba da asara ba ne (misal. MP3 → WAV), OGG bai fi kyau ba fiye da AMR — ba za ka iya dawo da bayanai da aka manta ba. Idan AMR yana da asara kuma OGG ba da asara ba ne, codec ɗin OGG zai sake ƙunsar; a 192 kbps sakamakon zai zama bayyananne ga mafi yawan abun ciki.
Shin mai canza AMR zuwa OGG yana riƙe da ID3 / metadata tag?
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Na'am — suna, mai waƙa, alƙawari, shekara, lamba na waƙa, da zane na alƙawari ana karanta su daga cikin ƙofar AMR kuma ana rubuta su cikin ƙofar OGG inda siffar take goyon bayan alamomin. Dukkan matsaloli masu yawa (MP3, AAC, FLAC, OGG) suna kula da alamomin da kyau; WAV ba haka ba. OGG shi ne akwatin Xiph.Org, wanda ke dauke da sauti na Vorbis, wanda aka halitta a cikin 2000 kamar wata maɓalli mai kyauta ga MP3.
Shin zan iya canja ɗaruruwan fayiloli AMR zuwa OGG?
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Na'am — ka saka wata ƙuƙwalwar fayiloli AMR cikin kuma mu yi aiki da su a cikin haɗin kai. Premium na da ma'aikata da yawa a cikin haɗin kai kuma ba shi da iyaka ga girman fayil, don haka ƙungiya mai fayiloli 500 na iya ƙarewa cikin minti ba tare da minti da yawa ba.
A bisa diff, na'am — 48 kHz AMR zai zauna 48 kHz a cikin OGG. Idan kana buƙatar ka rage misalin don daidaituwa (96 kHz → 44.1 kHz don ƙona CD), zaɓin adadin misali zai yi amfani da sake misalin da inganci mai girma a cikin mataki na ƙoɗa ɗaya.
Shin zan iya daidaita ƙarfin sauti idan na canja AMR zuwa OGG?
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Yes — the loudness-normalize option applies ITU-R BS.1770 / EBU R128 normalization to the OGG, targeting -14 LUFS (streaming standard) or -16 LUFS (podcast standard). Useful when batching tracks mastered at varying levels.
Shin OGG na zai iya wasa a kan stereo na motar, iPod, da Sonos?
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MP3 na wasa a duk inda. AAC na wasa a kan Apple, mafi yawan Android, da Sonos. FLAC na wasa a kan Sonos da Android amma ba a kan iPods na daɗaɗɗa ba. WAV na wasa a kan duk abin da yake amma yana da girma. Wurin rufewa na ƙananan-fayil-na-saita-farawa na zaɓa OGG codec wanda aka inganta ga kayan aikinka na manufa. OGG Vorbis ya fi MP3 a bitrate mai daidaita kuma ba ya da wani kudin lasisin, wanda shi ne dalilin da yasa injiniyoyin wasan kwaikwayo da kayan aikin sauki suka karɓi shi a kan farashin mai.
Shin fayil ɗin AMR na sirri ne yayin canjawa zuwa OGG?
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Na'am — an yi aiki da fayilolin AMR da aka tura a cikin masu aiki masu tsalle-tsalle kuma an share su cikin mintina. Ba za mu taba wasa, adana na dogon lokaci, ko raba abun cikin sauti ba. Tagan adana gaba ɗaya yana cikin /privacy/.
Menene lokacin da ake buƙata don canja AMR na awa 1 zuwa OGG?
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Re-mux na codec-daidai: daga sakan 10 zuwa 30. Sake-saukar da alamun shafi zuwa wani codec daban: a kan 10 zuwa 20% na lokacin da ake amfani da shi, don haka wata sa'a AMR → OGG ta ƙare cikin minti 6 zuwa 12. Ayyuka na batch suna yin aiki a kan ma'aikata daban-daban don kara sauri.
AMR (Adaptive Multi-Rate) wani tsari ne na matsawa mai jiwuwa wanda aka inganta don lambar magana. An fi amfani da shi a cikin wayoyin hannu don rikodin murya da sake kunna sauti.
