Audio Format
Very Good
Very Popular
M4A(MPEG-4 Audio)
Padrão da Apple para músicas sem DRM. Excelente equilíbrio entre qualidade e tamanho.
Yes, we support M4A!
Technical Specifications
Bit Rate256kbps
CompressionLossy
Advantages
- Nativo Apple
- Alta fidelidade
Disadvantages
- Menos universal que MP3
Use Cases
iTunes
Gravações iPhone
How It Works
1
Upload your file
Upload your M4A file via browser or drag and drop.
2
Automatic transcription
Our AI transcribes the audio with high accuracy in minutes.
3
Download the result
Download the transcription as text, SRT, VTT or other formats.
Yes, we support M4A!
Padrão da Apple para músicas sem DRM. Excelente equilíbrio entre qualidade e tamanho.
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MP3WAVOPUSAMRAIFFALACAPEAUCAFDTSAC3GSMMP2RealAudioVOCWavPackQCPSpeexG.722M4AFLACAACOGGWMATTAMusepackShortenAAAAXAC-4ACEACMACTADPADSADTSADXAEAAFCAIXA-lawALPAMR-NBAMR-WBAPACAPCAPMaptXaptX HDASTAVRBFSTMBink AudioBITBOABonkBRSTMCodec2D-CinemaDERFDFPWMDSFDSSDTS-HDE-AC-3EPAFF32BEF32LEF64BEF64LEFSBFWSEG.723.1G.726G.726 LEG.729GENHHCAHCOMiLBCIRCAMKVAGLAFLOASMCAMLPMMFmu-lawNIST SphereNSPNUTOGAOMAOSQPP-BNKPVFRKARSOS16BES16LES24BES24LES32BES32LES337MS8SBCSCDSDSSDXSLNSOLSoXS/PDIFTAKTrueHDU16BEU16LEU24BEU24LEU32BEU32LEU8VIDCVQFW64WADYWavArcWSAUDWSDWVEXAXMDxWMAGXFADPCM 4XMADPCM ADXADPCM AFCADPCM AGMADPCM AICAADPCM ArgoADPCM CTADPCM DTKADPCM EAADPCM EA Maxis XAADPCM EA R1ADPCM EA R2ADPCM EA R3ADPCM EA XASG.722 ADPCMG.726 ADPCMG.726 ADPCM LEADPCM IMA AcornADPCM IMA ALPADPCM IMA AMVADPCM IMA APCADPCM IMA APMADPCM IMA CunningADPCM IMA DAT4ADPCM IMA DK3ADPCM IMA DK4ADPCM IMA EA EACSADPCM IMA EA SEADADPCM IMA ISSADPCM IMA MOFLEXADPCM IMA MTFADPCM IMA OKIADPCM IMA QTADPCM IMA RADADPCM IMA SMJPEGADPCM IMA SSIADPCM IMA WAVADPCM IMA WSADPCM MSADPCM MTAFADPCM PSXADPCM SB Pro 2-bitADPCM SB Pro 2.6-bitADPCM SB Pro 4-bitADPCM SWFADPCM THPADPCM THP LEADPCM VIMAADPCM XAADPCM XMDADPCM YamahaADPCM Zork8SVX Exponential8SVX FibonacciPCM A-lawPCM Blu-rayPCM DVDPCM Float 16 LEPCM Float 24 LEPCM Float 32 BEPCM Float 32 LEPCM Float 64 BEPCM Float 64 LEPCM LXFPCM mu-lawPCM Signed 8PCM S8 PlanarPCM S16 BEPCM S16 BE PlanarPCM S16 LEPCM S16 LE PlanarPCM S24 BEPCM S24 D-CinemaPCM S24 LEPCM S24 LE PlanarPCM S32 BEPCM S32 LEPCM S32 LE PlanarPCM S64 BEPCM S64 LEPCM SGAPCM Unsigned 8PCM U16 BEPCM U16 LEPCM U24 BEPCM U24 LEPCM U32 BEPCM U32 LEPCM VIDCDSD LSB FirstDSD LSB First PlanarDSD MSB FirstDSD MSB First PlanarATRAC1ATRAC3ATRAC3 ALATRAC3+ATRAC9Bink Audio DCTBink Audio RDFTBMV AudioCookDPCM DERFDelphine CIN AudioDSS SPDV AudioEVRCDPCM GremlinDPCM InterplayMACE 3:1MACE 6:1MetaSoundMicronas SC-4MSN SirenMusepack SV7Musepack SV8NellymoserOn2 AVCPAF AudioQCELPQDesign Music 1QOARALFRealAudio 1.0RealAudio 2.0DPCM RoQDPCM SDX2ShortenSIPRSmacker AudioDPCM SolSonicSonic LosslessSpeexTrueSpeechTwinVQVMD AudioWave SynthesisDPCM WADYWestwood SND1DPCM XanDPCM CBDO2Comfort NoiseDolby EDSTFastAudioGSM MSIMCInterplay ACMLSCR AudioMP1ADU MP3MP3onMP4MP3 FloatWMA LosslessWMA ProfessionalWMA VoiceXMA1XMA2
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