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Understanding digital sound file extensions is very important to determine the quality of the sound file. It is important for a user to understand that different sound files are different in quality. | Understanding digital sound file extensions is very important to determine the quality of the sound file. It is important for a user to understand that different sound files are different in quality. | ||
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=== What is a file extension? === | === What is a file extension? === | ||
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Digital recorders differ in recording medium and format. Preferred PCM (Pulse Code Modulation format) means that the file is initially changed from analog to digital through measuring portions of the sound and transferring the sound to zeros and ones. This is gathered in '''raw''' form rather than '''compressed.'''PCM is usually saved as a WAV or AIFF file. Digital recorders that save in MP3 or WMA format are compressed and lossy. WAV format is a raw file. The raw file takes more space than the compressed file, lowering the recording time. Many consumers do not understand this when purchasing a digital recorder. | Digital recorders differ in recording medium and format. Preferred PCM (Pulse Code Modulation format) means that the file is initially changed from analog to digital through measuring portions of the sound and transferring the sound to zeros and ones. This is gathered in '''raw''' form rather than '''compressed.'''PCM is usually saved as a WAV or AIFF file. Digital recorders that save in MP3 or WMA format are compressed and lossy. WAV format is a raw file. The raw file takes more space than the compressed file, lowering the recording time. Many consumers do not understand this when purchasing a digital recorder. | ||
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=== High quality sound measurements === | === High quality sound measurements === | ||
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Digital sound applies to everyone. Learning how to properly work with digital sound will help preserve important historical media that would otherwise easily deteriorate and be lost to future generations. | Digital sound applies to everyone. Learning how to properly work with digital sound will help preserve important historical media that would otherwise easily deteriorate and be lost to future generations. | ||
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[[Category:Beginners]] | [[Category:Beginners]], Technology | ||