Adobe 22012057DM User Guide - Page 36
About the waveform display, About the spectral display
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SOUNDBOOTH CS3 32 User Guide About the waveform display The waveform display shows audio as a series of amplitude peaks and valleys. The x-axis (horizontal ruler) measures time, and the y-axis (vertical ruler) measures amplitude on a decibel scale that ranges from -∞ (negative infinity) for silence to 0 dBFS for loud peaks. Quiet audio has both lower peaks and lower valleys than loud audio. With its clear indication of amplitude changes, the waveform display is perfect for identifying percussive changes in vocals, drums, and more. To find a particular spoken word, for example, simply look for the peak at the first syllable and the valley after the last syllable. Stereo file in waveform display See also "Select time ranges" on page 36 About the spectral display The spectral display shows audio by its frequency components, where the x-axis (horizontal ruler) measures time and the y-axis (vertical ruler) measures frequency. This view lets you analyze audio data to see which frequencies are most prevalent. Colors represent amplitude, ranging from dark blue for low amplitude to bright yellow for high amplitude. The spectral display is perfect for removing unwanted sounds, such as clicks, coughs, buzz, hum and other artifacts. This is known as frequency-space editing.
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