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Data Portability-SOUND AND VIDEO (WAV (Windows Audio Waveform, Very…
Data Portability-SOUND AND VIDEO
MP3
Very portable can be played by any audio software
Lossy compression and the amount of compression can be varied
Small file size but excellent quality
WAV
Windows Audio Waveform
Very protable can be played by any audio software
Lossless compression and give a sound close to the original
Audio CDs use WAV files
Large file sizes means they are rarely used online
MIDI
Musical Instrument Digital Interface
Not portable
Digital signals are recorded and can be played back as a range of sampled audio sound e.g. drum kit, piano, bass guitar etc
It does not actually sample sounds and therefore cannot be used to record signing or any audio
MPEG
Moving Picture Experts Group
Wide portability and is played by most video players
It transmits only information about the pixels that have changed and uses MP3 for audio
WMA
Windows Media Audio
Fairly portable and will on most audio devices but not all
Lossy compression and the amount of compression can be varied
Microsoft developed to compete with MP3