Audio files

• Give 3 examples of lossy compressed audio files

  • .mp3
  • .aac
  • .ogg
• Give 2 examples of lossless compressed audio files

  • .flac
  • .m4a
• Which audio file is uncompressed?

  .wav
• Give 2 properties of a .mp3 file

  • Works on most devices
  • Small file size
• State 2 drawbacks of using a .mp3 file

  • Quality is not good enough for professional recording
  • Sound quality is not always the best
• Give 2 properties of an .acc file

  • Small file size
  • Suitable for streaming
• State 2 drawbacks of using an .aac file

  • Not compatible with all devices/platforms
  • Still loses some quality
• Give 2 properties of an .ogg file

  • Used by spotify
  • More efficient and better quality than .mp3
• State one drawback of using an .ogg file

  • Compression results in some loss of data
• Give 2 properties of a .flac file

  • Studio quality sound
  • No loss of quality
• State 2 drawbacks of using a .flac file

  • Larger files than MP3 (up to 6x bigger)
  • Not supported by some streaming apps
• Give 2 properties of an .m4a file

  • Supported by Itunes
  • Converts to other formats without the loss of quality
• Give 2 drawbacks of using an .m4a file

  • Compression not as efficient as .flac
  • Large file sizes
• Give 2 properties of a .wav file

  • High quality sound
  • Identical copy of original music
• State one drawback of using a .wav file

  • Large file sizes