Mataki na 1: Loda naka MP3 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 AMR fayiloli
MP3 zuwa AMR Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza sauti daga MP3 zuwa AMR ba tare da asarar inganci ba?
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Ka shigar da fayil MP3 kuma mai maidamu zai zaɓi AMR haɗin codec / bitrate wanda ya dace da ma'anar. Matsayin da ba a rasa (AMR = WAV / FLAC / ALAC) zai kiyaye duk misali; matsayin da aka rasa (AMR = MP3 / AAC / OGG) yana da diff zuwa 192 kbps wanda yake bayyananne ga littattafan sauti da mafi yawan kiɗa.
Shin sunana na waƙa da zane na alƙalami za su tsira daga canjin MP3 zuwa AMR?
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Ba daidai ba. MP3 na da wani ɓangaren metadata mai kyau, amma AMR ba ta da wani wuri na al'ada ga mai waƙa, alƙawari, lamba na waƙa ko zane na kwafin, don haka an rufe alamomin ba tare da an rufe su ba. Ka riƙe MP3 kamar kwafin da aka yi wa alama, ko kuma sake sanya alamar bayan haka da wani kayan aiki kamar Mp3tag ko MusicBrainz Picard. AMR na halaka kiɗa: bandwidth ɗinsa na 8 kHz yana cire duk abin da ke sama da sautin waya, kuma babu adadin sake-saukarwa yana dawo da shi.
Me ya sa kiɗa take da zafi a cikin wannan canji?
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@ info: shell 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.
Mene ne bitrate ɗin da fayil AMR ke amfani da shi?
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Diflomasiyya ita ce 192 kbps ga mai rasa AMR; wucewa-ta-tafi ga mara rasa AMR. Ka sake zuwa 320 kbps ga masu sauraro ko 64-96 kbps ga littattafan sauti na magana (mai haske ga magana, yana rage girman fayil da rabin).
Shin tafiya daga MP3 zuwa AMR za ta rage ingancin sautina?
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Idan MP3 yana da asara kuma AMR ba da asara ba ne (misal. MP3 → WAV), fayil ɗin AMR bai fi kyau ba fiye da MP3 — ba za ka iya dawo da bayanai da aka riga aka jefa ba. Idan MP3 yana da asara kuma AMR ba da asara ba ne, ka yi tsammanin codec ɗin AMR zai sake ƙunsar; a 192 kbps wannan yana da haske ga mafi yawan abun ciki.
Shin mai canza MP3 zuwa AMR yana riƙe da ID3 / metadata tag?
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Na'am — suna, mai waƙa, alƙawari, shekara, lamba na waƙa, zane na alƙawari, da kuma alamomin sashe (masu muhimmanci ga littattafan sauti) ana karanta su daga MP3 kuma ana rubuta su cikin ƙofar AMR inda siffar AMR take goyon bayan alamomin. Tsarin littattafan sauti na M4B yana tafiya-zuwa-zuwa cikin fitarwa ta M4B da AAX → M4B.
Na'am — ka bar wata maɓalli na MP3 fayiloli cikin kuma mu yi aiki da su a cikin daidaito. Premium yana da ma'aikata masu daidaito da yawa kuma babu iyaka ga girman fayil, don haka fayil mai fayiloli 500 na iya kammala cikin mintina maimakon mintina da dama.
Shin AMR zai riƙe daidaitaccen adadin misali kamar MP3?
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A bisa diff, na'am (48 kHz MP3 → 48 kHz AMR). Idan kana buƙatar rage misalin don daidaituwa (misal. 96 kHz → 44.1 kHz don ƙona CD) zaɓin ƙimar misali mai zurfi yana yin wannan tare da sake misalin da inganci mai girma.
Yes — the loudness-normalize option applies ITU-R BS.1770 / EBU R128 normalization to the AMR output, targeting -14 LUFS (streaming standard), -16 LUFS (podcast standard), or -23 LUFS (audiobook standard). Useful when batch-converting tracks with varying mastering levels.
Shin AMR zai yi wasa a cikin shirin ayuka na stereo na motar / iPod / littafin sauti?
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MP3 yana wasa a duniya. AAC yana wasa a kan Apple, mafi yawan Android, Sonos. FLAC yana wasa a kan Sonos da Android, mafi kyau a kan iPods na daɗewa. Littattafan sauti na M4B suna wasa tare da saukar da sashe a kan iOS Littattafai, Audiobookshelf, da Smart Audiobook Player. Zaɓuɓɓukan ci gaba sun haɗa da presets na na'urar.
Shin fayil MP3 na sirri ne yayin canjawa?
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Na'am — an yi aiki da fayilolin da aka tura MP3 a cikin masu aiki masu tsalle-tsalle kuma an share su cikin mintina. Ba za mu taba wasa, adana, ko raba abun cikin sauti ba. Wannan yana da muhimmanci musamman idan ana aiki da labarairu na littattafai masu sauti na mutum.
Menene lokacin da ake buƙata don canja littafin sauti na sa'o'i 10 daga MP3 zuwa AMR?
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Re-mux na codec-daidai: sakan 10-30. Re-encode zuwa wani codec daban: a kan 10-20% na lokacin ma'ana, don haka littafin sauti na awa 10 zai ƙare cikin minti 60-120. Markers na sashe suna tsira daga tafiyar-zuwa-zuwa kuma su raba da kyau.
