UNDERSTANDING COMPUTER FILES
FILE EXTENSIONS AND FILE TYPES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Images
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Video
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Sounds
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Documents
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Detailed explanation-1: -WAV. WAV (Waveform Audio File) retains all the original data, which makes it the ideal format for sound engineers.
Detailed explanation-2: -Wav is a raw format, while mp3 is a compressed format for audio. ogg is more of wrapper format. it can wrap Speex compressed audio, Speex (www speex org)is a very efficient compression technique based on CELP.
Detailed explanation-3: -A good example of this is the MP3 audio file, which is in fact an MPEG-1 container with a single audio track encoded using MPEG-1 Audio Layer III encoding. These files use the audio/mp3 MIME type and the . mp3 extension, even though their containers are just MPEG.
Detailed explanation-4: -What is a AAC file? The AAC extension is short for “Advanced Audio Coding”, which is a standard audio container format for compressed digital audio and music data. Improved in several aspects, this format produces better sound quality at the same bitrate compared to the older audio formats.