WMA → AMR

Maida Naka WMA zuwa AMR fayiloli da wahala

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Canza fayiloli har zuwa 1 GB kyauta, masu amfani da Pro za su iya canza fayiloli har zuwa 100 GB; Yi rijista yanzu

Ana lodawa

Yadda ake canzawa WMA zuwa AMR

Mataki na 1: Loda naka WMA 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

WMA zuwa AMR Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan canza sauti daga WMA zuwa AMR ba tare da rasa inganci ba?

Ka shigar da fayil WMA kuma mai maida zai zaɓi AMR codec da bitrate don ya haɗu da ma'anar. AMR ba da asara (WAV / FLAC / ALAC) zai kiyaye kowace misali da bit-identical; AMR da asara (MP3 / AAC / OGG / Opus) zai ƙirƙiri zuwa 192 kbps wanda yake bayyananne ga mafi yawan kunnuwa. WMA yana da asara bisa diff, cikin wani ASF kontener, tare da rashin asara da sauti-optimized sauye-sauyen da ake samu da yawa. 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.

Shin sunana na waƙa da zane na alƙalami za su tsira daga canjin WMA zuwa AMR?

Ba daidai ba. WMA 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 WMA 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 frequencies na waya, kuma babu adadin sake-encoding yana dawo da shi.

Me ya faru da sauti mai yawa-kanana idan an canja WMA zuwa AMR?

An ɗaga shi zuwa stereo, saboda AMR 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.

Me ya sa kiɗa take da zafi a cikin wannan canji?

@ info: shell WMA ne unsupported kusan duk inda a waje Windows, da kuma da yawa WMA fayiloli za a iya ɗaukar DRM da ke hana canja wurin gaba ɗaya.

Mene ne bitrate ɗin da fayil ɗin da ya samo AMR zai yi amfani da shi?

Diflomasiyya ita ce 192 kbps ga AMR mai rasa; wucewa-ta-tare ga AMR 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 WMA zuwa AMR za ta rage ingancin sautina?

Idan WMA yana da asara kuma AMR ba da asara ba ne (misal. MP3 → WAV), AMR bai fi kyau ba fiye da WMA — ba za ka iya dawo da bayanai da aka manta ba. Idan WMA yana da asara kuma AMR ba da asara ba ne, codec ɗin AMR zai sake ƙunsar; a 192 kbps sakamakon zai zama bayyananne ga mafi yawan abun ciki.

Shin mai canza WMA zuwa AMR yana riƙe da ID3 / metadata tag?

Na'am — suna, mai waƙa, alƙawari, shekara, lamba na waƙa, da zane na alƙawari ana karanta su daga cikin ƙofar WMA kuma ana rubuta su cikin ƙofar AMR inda siffar take goyon bayan alamomin. Dukkan matsaloli masu yawa (MP3, AAC, FLAC, OGG) suna kula da alamomin da kyau; WAV ba haka ba. AMR shi ne Adaptive Multi-Rate, magana codec 3GPP standardized ga GSM kira da wayar hannu sauti recorders.

Shin zan iya canja ɗaruruwan fayiloli WMA zuwa AMR?

Na'am — ka saka wata ƙuƙwalwar fayiloli WMA 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.

Shin AMR zai riƙe daidaitaccen adadin misali kamar WMA?

A bisa diff, na'am — 48 kHz WMA zai zauna 48 kHz a cikin AMR. 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 WMA zuwa AMR?

Yes — the loudness-normalize option applies ITU-R BS.1770 / EBU R128 normalization to the AMR, targeting -14 LUFS (streaming standard) or -16 LUFS (podcast standard). Useful when batching tracks mastered at varying levels.

Shin AMR na zai iya wasa a kan stereo na motar, iPod, da Sonos?

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 AMR codec wanda aka inganta ga kayan aikinka na manufa. AMR na sauke sauti mai ƙarancin girma - sa'a ɗaya na magana yana da girman megabytes - kuma shi ne abin da wasu wayoyin salula ke amfani da shi wajen sauke kiran.

Shin fayil ɗin WMA na sirri ne yayin canjawa zuwa AMR?

Na'am — an yi aiki da fayilolin WMA 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/.

WMA

WMA (Windows Media Audio) tsari ne na matsawa mai jiwuwa ta Microsoft. An fi amfani da shi don yawo da sabis na kiɗan kan layi.

AMR

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.