Guqula i-CDA ibe yi-MP3

Logo ye-CDA

Nangona ii-CD zeaudiyo zingasafani nemfashini njengoko zazinjalo kwiminyaka embalwa edlulileyo ngenxa yeshishini ledijithali eliqale ukusebenza, njengamaqonga e-iTunes, ngakumbi i-Spotify emnandi, kodwa ii-CDAs ziyajikeleza kwaye ziyaqhubeka ukuthengiswa. Ke ngoko, ukuba unayo enye yezi diski kwaye ufuna ukulahla umxholo kwaye uyenze kwiMP3 ngendlela elula, kweli nqaku leLxA sichaza indlela Guqula i-CDA iye kwi-MP3 inyathelo ngenyathelo.

I-CDA yenziwa nguPhilips kunye no-Sony ngeminyaka yoo-80 ukugcina iaudiyo kwifomathi yedijithali xa ithelekiswa neekhasethi zangaphambili. Yimpumelelo enkulu kwaye igcinwe unanamhla, kodwa inyani yile yokuba siza kuwususa umculo siye kumdlali weMP3 okanye siwumamele kumdlali onesandi kwi-distro yethu, njl. ayisebenziseki ukusebenzisa iCD ngenxa yenani eliqingqiweyo leengoma okanye ngenxa yokuba ifomathi ye-WAV yezi disc ayixhaswanga. Kungenxa yoko le nto kungcono ukuyiguqulela kweyona fomathi yendalo iphela kunye nokukhanya okulula njengeMP3.

Ifomathi WAV okanye WAVE Yayiyinto eyenziwe nguMicrosoft kunye ne-IBM kwaye yifomathi yemveli edla ngokusetyenziswa kolu hlobo lwe-CD-As, ivumela ukugcina iaudiyo ekumgangatho ophezulu kubaqeqeshi. Ingxaki kukuba itya indawo eninzi kakhulu, inciphisa inani leengoma ezinokugcinwa kwiCD. Umzekelo, kuwo wonke umzuzu weaudiyo kwi-WAV kudliwe malunga ne-10MB yesithuba, nto leyo engenangqondo xa kuthelekiswa nezinye iifomathi. Banqunyelwe kwiiyure ezingama-6.6 ubude, kuba iifayile ze-WAV ezinkulu kune-4GB azinakugcinwa.

Ukuba senza ukubala, kwi-CD emalunga ne-750MB yomthamo kwaye ukuba sine-albhamu enezingoma ezigcina i-avareji yemizuzu emi-3 inye, sinokugcina kuphela iingoma ezingama-20 okanye ezingama-25, kwaye ngaphandle kokubala ikhefu phakathi kweengoma hlala kwii-megabytes ezimbalwa. Endaweni yoko, ngeMP3 sinobulunga obuphezulu kakhulu ngaphandle kokulahleka kodwa sinokuba nobukhulu ukuya kuthi ga kuma-11 amancinci kune-WAV sisebenzisa i-128bit / s. Oko kuthetha ukuba inani leengoma ezinokulingana kwiCD linokuya kumakhulu aliqela wazo.

I-MP3 yaphuhliswa eJamani ngu UKarlheinz Brandenburg Ubukhulu becala, ngubani owayengumlawuli weZiko iFraunhofer IIS.Ukuze kuphunyezwe ezi zibonelelo, iMP3 isebenzisa ilahleko yokuncitshiswa kwe-algorithm ebizwa ngokuba yi-MPEG-1 Audio Layer III okanye i-MPEG-2 Audio Layer III yanamhlanje, iyenza phantse ibe ngumgangatho Icandelo lomculo kunye nesandi sokuhambisa inethiwekhi.

Khipha i-CDA kwi-MP3 usebenzisa iCandelo:

Ukwahlula

Siza kuyenza ngaphandle kokusebenzisa ikhonsoli kunye nemiyalelo, kodwa kwindlela elula yomzobo enkosi kwinkqubo yoBucala. Ngayo ungawukrazula wonke umxholo okanye ukhethe kuphela iingoma ofuna ukuzilahla kwiqela lakho. Enye iphakheji ekufuneka uyifakile ikhubazekile, eya kuthi isetyenziselwe ukufaka isandi esikhutshelweyo kwifomathi esiyifunayo, kule meko yiMP3. Ufakelo lwezi phakheji, unokuzikhuphela ngqo kwi iwebhusayithi esemthethweni okanye usebenzise i-repos ye-distro yakho ukuyifaka ngokulula kunye nabaphathi beephakeji ...

Nje ukuba sifakelwe ezo phakheji, ungavula ngokwahlukana, kunye i-CD yeaudiyo efakiweyo Kumfundi we-optical, unokukhetha kwiscreen sayo. Ukuba uya kukhetho unokukhetha useto oluninzi, njengefomathi ofuna ukuba i-CDA idluliselwe kuyo, phakathi kwe-OGG, MP3, kunye ne-FLAC, njl. Kwimeko yethu sikhetha i-MP3, siyamkele kwaye sibuyele kwiscreen esikhulu esinokukhangela kwi-CDDB kwaye sikhuphe iingoma.

Ungazikhetha zonke okanye ezo uzifunayo, kwaye xa ucinezela iqhosha lokukhupha Zonke ziya kulahlwa kwaye ziguqulelwe kwifomathi ekhethiweyo. Ngendlela, ujongano uya kubona ukuba ezinye izinto zinokulungiswa, ezinje ngegama leetrekhi, umhla, isihloko, njl.njl. Inyaniso kukuba ayinayo imfihlakalo eninzi okanye ubunzima, kodwa sisihloko ukuba abantu babuza okuninzi kwiiforamu nakwiisayithi. Inkcazo ilula kangangokuba ndicinga ukuba ayifanelekanga ukuba ithethe ngaphezulu, nokuba kunjalo, ukuba unamathandabuzo, shiya izimvo zakho ...

Guqula i-CDA ibe yiMP3 ukusuka kwikhonsoli:

Kodwa ukuba ukhetha ukusebenzisa i imiyalelo yotshintsho Ngokufanelekileyo, unokusebenzisa izixhobo zomgca wokuyalela. Ukuba uyakhumbula, kwicandelo elidlulileyo bendithetha ngephakheji ebizwa ngokuba sisiqhwala, ewe, ukuba uyifakile, ungaguqula .wav iye kwi .mp3 ngendlela elula ngokwenza lo mthetho:

lame canción.wav canción.mp3

Kodwa ngolu hlobo sihamba nganye nganye, ukuba into oyikhethayo kukulahla konke okuqulathwe yiCD uze uyiguqule ibe yiMP3 ngendlela ethe xaxe, sinako faka iiphakheji:

  • I-id3 kunye ne-id3v2: abahleli bethegi.
  • Isiqhwala: ukwenza iifayile zeMP3 njengoko sibonile.
  • cdparanoia: ukukrazula iingoma kwiCD
  • cddiscid: kwindawo yedatha yediski ebonakalayo.
  • abcde: isifaki khowudi seCD.

Nje ukuba sifake ezo phakheji, sinokwenza Iskripthi ukuguqula ngokuzenzekelayo zonke iingoma zomsindo zibe yiMP3. Khuphela kwaye uncamathisele le khowudi ilandelayo kumhleli wakho wombhalo owuthandayo kwaye ugcine njenge cda-to-mp3.sh:

<pre class="bbcode_code">#!/bin/bash
#Especificar el encoder para la conversión:
MP3ENCODERSYNTAX=lame 

#Seleccionamos el path
LAME=lame

#Añadimos las opciones de lame necesarias:
LAMEOPTS='--preset extreme' 

#Especificamos el formato de salida, en este caso MP3
OUTPUTTYPE="mp3"

#Seleccionamos el rippeador para extraer las pistas del CDA
CDROMREADERSYNTAX=cdparanoia            
                                     
#Localización para el programa anterior y sus opciones:
CDPARANOIA=cdparanoia  
CDPARANOIAOPTS="--never-skip=40"

#Programa de identificación del CD:       
CDDISCID=cd-discid            
                               
#Localización de la base de datos (donde se almacenan): 
OUTPUTDIR="$HOME/musica/"               

#Damos formato a las etiquetas de las canciones:
OUTPUTFORMAT='${OUTPUT}/${ARTISTFILE}-${ALBUMFILE}/${TRACKNUM}.${TRACKFILE}'
VAOUTPUTFORMAT='${OUTPUT}/Various-${ALBUMFILE}/${TRACKNUM}.${ARTISTFILE}-${TRACKFILE}'

#Decidimos cómo van a ser etiquetadas:
ONETRACKOUTPUTFORMAT='${OUTPUT}/${ARTISTFILE}-${ALBUMFILE}/${ALBUMFILE}'
VAONETRACKOUTPUTFORMAT='${OUTPUT}/Various-${ALBUMFILE}/${ALBUMFILE}'

#Ponemos espacios en los nombres de las canciones: 
mungefilename ()
{
  echo "$@" | sed s,:,-,g | tr / _ | tr -d \'\"\?\[:cntrl:\]
}

#Extra para mejorar el script como correr varios encoders a la vez, etc. 
MAXPROCS=2                              
PADTRACKS=y                             
EXTRAVERBOSE=y  

#Expulsa el CD una vez ha finalizado.                         
EJECTCD=y</pre>

Ukuyiqhuba, kunye ne-CDA ifakwe kwi-drive, kufuneka senze oku kulandelayo:

chmod +x cda-to-mp3.sh

./cda-to-mp3.sh

Ungalibali ukushiya ifayile yakho ye- amagqabantshintshi ngamathandabuzo neengcebiso ...


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  1.   Emi sitsho

    Kubathandi bezandi, ngcono i-FLAC mp3 ifile!