Textbook Elective 2 "Acquisition and Processing Video" ppt 1. If we want to mix and synthesize sound files, we need to use professional sound editing software. The following does not belong to the sound editing software is () A. Ulead VideoStudio B. WaveCN C. CoolEdit D. GoldWave 2. Sound files and image files, there are many formats, but not all software can support all formats, including () The sound format is perfectly supported by all audio software. MID B.WAV C. MP3 D .WMA 3. Which of the following methods can collect sound? () ①Recording with the recorder program that comes with Windows ②Recording with MP3 player ③Extracting music from an audio CD ④Downloading from the Internet A.①③ B B ①②③ C ②③ D ①②③④
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