Audio file formats

Audio file formats are standards for storing the audio file in a Storage device. Audio file formats differ based on the technic used to compress the audio file.

Audio file format uses three types of standards:

Some examples of Audio  file format standard are:

Lossy formats:

Lossy formats are the methods in which the original audio file are reduce more as compare to lossless compression.

MP3:

  • mp3 is most common audio file format.
  • MP3 is developed by Moving Picture Experts Group (MPEG) released in 1993.
  • MP3 is a lossy compressed format
  • MP3 file fomat is 1/10th the size of .WAV or .AIF files
  • MP3 Files extension is   .mp3 
  •  MP3 is 1 minute recording needs 1 MB storage 
  • MP3 format is mostly used and supported by many devices. 

AAC:

  •  AAC stands for Advanced Audio Coding
  • AAC developed in 1997 after MP3.
  • AAC is a lossy compressed format
  • AAC used by YouTube, i tune,  Android, iOS, 

WMA :

  • WMA stands for Windows Media Audio.
  • WMA  released in 1999 by microsoft.
  • WMA is  Lossy compression 
  • WMA is not widely used
Some other examples of Lossy audio file format are:  MOC, OGG

Lossless formats.

 
Lossless audio file format are the methods used to compress an audio file  to minimize the audio file size.

FLAC:

  • FLAC stands for Free Lossless Audio Codec.
  • FLAC is compress 50% of original file 
  • FLAC uses lossless compression.
WAV:
  •  WAV stands for Waveform Audio File Format
  • WAV is released in 1999 by micosoft.
  • WVA is least efficient in compresso n.
  • WAV used lossless compression.
  • WAV is not an open source 
  • WAV least hardware supported.
ALAC:
  • ALAC stands for Apple Lossless Audio Codec
  • Released in 2004.
 
 Some other examples of lossless audio file format are:  WavPack, Monkey’s Audio

Uncompressed formats.

uncompressed file format is a real sound wave, (original ) which are not compress by any form.

  • uncompressed file format uses more storage. 
  • uncompressed file format gives the best quality of sound.

WAV:

  • WAV Stands for Waveform Audio File Format
  • WAV is a subset of Riff 
  •  WAV  Developed Microsoft and IBM in 1991.
  • WAV is an uncompressed/lossless compress format.
  • it is used to store bitstream in PCs
  • WAV provides better quality than lossy compression.
  •  

PCM:

  •  PCM stands for Pulse-Code Modulation.
  • PCM is  used for CDs and DVDs, 
  • PCM captures analog waveforms and turns them into digital bits.
  • PCM is an uncompressed file format.
Some other uncompressed file formats are: AIFF, AU, or BWF

Examples of Lossy Audio File Format and Lossless Audio File Format

Lossy Audio File Format

Lossless Audio File Format

AA3

ALAC

AAC

FLAC

MP3

APE

MPC

SHN

OGG

TTA

WMA

WV

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