WMA AMR

Beddel Adiga WMA ilaa AMR si aan dadaal lahayn

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Sida loo beddelo WMA ilaa AMR

Tallaabada 1aad: Soo geli WMA faylasha adoo isticmaalaya badhanka kore ama jiid oo hoos u dhig.

Tallaabada 2: Guji badhanka 'Beddelaan' si aad u bilowdo beddelka.

Tallaabada 3: Soo dejiso faylasha aad bedeshay AMR faylasha


WMA ilaa AMR Su'aalaha Badiya La Weydiiyo Ee Ku Saabsan Beddelka

Sideen u beddelaa WMA audio ilaa AMR iyadoon la lumin tayada?
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Soo qaado faylka WMA iyo soo beddelaha wuxuu doortaa AMR codec iyo bitrate si uu ula mid noqdo asalka. Lossless AMR (WAV / FLAC / ALAC) wuxuu ilaaliyaa tusaale kasta oo bit-identically ah; lossy AMR (MP3 / AAC / OGG / Opus) ayaa loo doortay 192 kbps oo cad cad oo loogu talagalay dhegaha badan. WMA waa lossy default, in ASF container, la lossless iyo codka-optimised noocyada oo aad u yar oo la kulmi. AMR waa codsi codka narrowband socda u dhexeeya 4.75 iyo 12.2 kbps, qaabeynta wadnaha codka aadanaha ka badan sida ay u kala duwanaansho audio buuxa.
Haa, waana wax ku habboon qorsheynta. Labada qaababba waa waxyeello, sidaa darteed AMR codsi-qorayaasha ayaa ka shaqeeya codka oo horeyba u maraya hal xagal psychoacoustic ah, iyo go'aamadeeda gaarka ah waxay isku daraan xulashada koowaad. 192 kbps ama ka sarreeya natiijada ayaa weli u muuqata mid cad oo u muuqda mid ka mid ah dhagaystayaasha badan. Haddii aad leedahay madaxa waxyeellada leh meel kasta, codsiga AMR kaas oo ka hortagaya in la qaado laba jeer oo dhan.
Ma jiro. WMA wuxuu ku jiraa blokada metadata saxda ah, laakiin AMR ma laha meel caadi ah oo loogu talagalay muusig, album, lambarka raadinta ama sawirka daabacaadda, sidaa darteed tagga ayaa la jaray oo aan la jabin. Ilaalinta WMA sida koontada la daabacay, ama dib u soo celi ka dib qalab sida Mp3tag ama MusicBrainz Picard. AMR music burburin: 8 kHz bandwidth ka saaraa wax kasta oo kor ku xusan frekuency telefoonka, iyo wax lacag ah oo dib-codsiinta soo celin.
Waa in la isku dhejiyaa stereo, maxaa yeelay AMR ma laha qaabka multichannel-ka. Downmix waxay isticmaalaan isku-darka caadiga ah si wada hadalka khadka dhexe uu u sii jiro oo cad yahay oo la isku daro heerka hoos u dhaca. Wax kasta oo ku xiran meelaynta kanalka kala duwan ayaa la tagay markaa.
DRM. WMA faylasha qayb ka mid ah ayaa lagu keydiyaa dukaanka ama softiweerka ay soo saareen, oo codka la keydiyay ma awoodi karo inuu ku soo celiyo wax kasta oo soo beddelaya. Wax kasta oo aad ku riixday, diiwaan gashan, ama iibsatay oo aan la ilaalin ayaa caadi ahaan u beddelaya; iibka liisanku ma sameyn doono. WMA waa aan la taageerin in ka badan meel kasta oo ka baxsan Windows, iyo files WMA hore u qaadi karaan DRM in ay xaddidaan isbedelka oo dhan.
Waayo, dhinac ka mid ah waa codsi codsi hadalka ka badan codsi codsi muusig. Waxay qaabeeyaa habka codka aadanaha oo ka saaro wax kasta oo ka baxsan bandwidth telefoonka, taas oo ah mid wanaagsan oo codka iyo waxyeello u ah wax kasta oo ay la jiraan qalabka ku jira.
Default waa 192 kbps loo maqan yahay AMR; pass-ka loo maqan yahay AMR. Override in 320 kbps audiophile ama 96 kbps in codka / podcast. Doorashada ganacsi faylka weyn ka dhanka ah xasiloonida maqalka; hoos 96 kbps lossy artifacts noqdaan la arki karo on music.
Haddii WMA uu yahay mid khasaaro leh oo AMR uu yahay mid aan khasaarin (tusaale ahaan MP3 → WAV), AMR ma aha mid ka fiican WMA - ma awoodi kartid inaad soo ceshato macluumaadka horeyba loo tirtiro. Haddii WMA uu yahay mid khasaaro leh oo AMR uu yahay mid khasaaro leh, AMR codec-ka ayaa dib u soo celiya; 192 kbps, natiijada waa mid cad oo ku saabsan waxyaabaha badan.
Haa - magaca, heesaha, album, sanadka, tirada raadinta, iyo sawirka albumka ayaa laga akhriyaa WMA badeecada oo lagu qoray AMR badeecada oo qaabku taageerayo astaamaha. Wax kasta oo la mid ah (MP3, AAC, FLAC, OGG) waxay la tacaalayaan astaamaha si fiican; WAV-ka aan la isticmaalin. AMR waa Adaptive Multi-Rate, hadalka codec 3GPP standardized u GSM wicitaanada codka iyo mobile codka recorders.
Haa - ku rid faylka faylasha WMA oo aan u qaabeyno si isku mid ah. Premium waxay leedahay shaqaalaha ka badan oo isku mid ah oo aan lahayn xaddiga faylka, sidaa darteed 500-file batch wuxuu ku dhammaadaa daqiiqado ka badan boqolaal daqiiqo.
Si default ah waa — 48 kHz WMA ku nool 48 kHz in AMR. Haddii aad u baahan tahay in ay hoos u soo bandhigaan si ay u wada shaqeeyaan (96 kHz → 44.1 kHz CD burning), ikhtiyaarka tusaale-ratada ku habboon tayada sare ee soo noqnoqoshada in la mid ah codsiga.
Haa - ikhtiyaarka loodness-normalize wuxuu ku habboon yahay ITU-R BS.1770 / EBU R128 caadiga ah ee AMR, oo ku lug leh -14 LUFS (sharciga qulqulka) ama -16 LUFS (sharciga podcast).

WMA

WMA waa Microsoft audio ka Windows Media era, weli akhris badan meel kasta laakiin muddo dheer tan iyo markii ay ka baxeen AAC iyo MP3.

AMR

AMR waa codka codec tuned in la diiwaan galiyo codka iyo wicitaanada telefoonka, taas oo ah sababta muusiga u maqli karaa xun oo ku jira.


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