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Textbook Elective 2 Chapter 3 "Acquisition and Processing of Sound" ppt Knowledge and skills: (1) Understand the ways and methods of sound acquisition. (2) The sound file format suitable for the actual needs can be correctly selected. (3) Master the use of sound editing tool GoldWave to acquire sound. (4) Master basic operations such as sound playback and conversion using "Thousands of Silent Listening". Teaching points: (1) The methods and methods of obtaining sound files. (2) Learn to use "Thousands of Quiet Listening" to play sound files and convert audio formats. Difficulties in teaching: (1) Basic operation method of sound editing software GoldWave.
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