Adobe 65009626 User Guide - Page 48

Remove clicks, pops, or rumble, Remove individual sounds, Looping, stretching, and pitch shifting

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USING SOUNDBOOTH CS4 44 Editing and repairing audio files Remove clicks, pops, or rumble Soundbooth quickly removes sharp clicks and pops (such as crackle from vinyl records), or low-end rumble (such as vibrations from passing trucks). 1 In the Editor panel, select the audio you want to clean up. 2 From the Processes menu, choose Remove Clicks & Pops or Remove Rumble. 3 Drag the appropriate slider below: Click/Pop Determines sensitivity to audio artifacts. Higher settings detect more artifacts but may also remove audio you wish to retain. Use lower values to remove subtle clicks or high values to remove loud pops. Rumble Determines the cut-off frequency for rumble, removing all lower frequencies. Try lower values for deep rumble such as traffic noise, and higher values for rumble such as microphone handling sounds. 4 Click Preview, and adjust settings as needed. To compare processed and original audio, click the power button . 5 When you achieve the best-sounding results, click OK to process the audio file. See also "Selecting audio" on page 36 Remove individual sounds Unlike the Delete command, which can introduce audible glitches, the Auto Heal command removes an unwanted sound and seamlessly blends the area with surrounding audio. To automatically heal the outer edges of all edited selections, select Auto-Heal Edit Boundaries in the General section of the Preferences dialog box. 1 Choose Tasks > Remove A Sound. 2 In the Tasks panel, select the Time Selection , Frequency Selection , Marquee or Lasso tool. 3 In the Editor panel, zoom in on the sound you want to remove. 4 In the spectral display, make a selection no longer than 25,000 samples (.52 seconds at a sample rate of 48 kHz). To precisely determine selection length, right-click the timeline ruler, and choose Samples. 5 In the Tasks panel, click Auto Heal. Or choose Processes > Auto Heal. See also "Zoom audio" on page 33 "Selecting audio" on page 36 "Customize the spectral display" on page 33 Looping, stretching, and pitch shifting Create and optimize loops Audio that loops seamlessly creates a perfect soundtrack for many Flash animations and video spots. Updated 15 July 2009

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44
USING SOUNDBOOTH CS4
Editing and repairing audio files
Remove clicks, pops, or rumble
Soundbooth quickly removes sharp clicks and pops (such as crackle from vinyl records), or low-end rumble (such as
vibrations from passing trucks).
1
In the Editor panel, select the audio you want to clean up.
2
From the Processes menu, choose Remove Clicks & Pops or Remove Rumble.
3
Drag the appropriate slider below:
Click/Pop
Determines sensitivity to audio artifacts. Higher settings detect more artifacts but may also remove audio
you wish to retain. Use lower values to remove subtle clicks or high values to remove loud pops.
Rumble
Determines the cut-off frequency for rumble, removing all lower frequencies. Try lower values for deep
rumble such as traffic noise, and higher values for rumble such as microphone handling sounds.
4
Click Preview, and adjust settings as needed. To compare processed and original audio, click the power button
.
5
When you achieve the best-sounding results, click OK to process the audio file.
See also
“
Selecting audio
” on page
36
Remove individual sounds
Unlike the Delete command, which can introduce audible glitches, the Auto Heal command removes an unwanted
sound and seamlessly blends the area with surrounding audio.
To automatically heal the outer edges of all edited selections, select Auto-Heal Edit Boundaries in the General section
of the Preferences dialog box.
1
Choose Tasks
> Remove A Sound.
2
In the Tasks panel, select the Time Selection
, Frequency Selection
, Marquee
or Lasso
tool.
3
In the Editor panel, zoom in on the sound you want to remove.
4
In the spectral display, make a selection no longer than 25,000 samples (.52 seconds at a sample rate of 48 kHz).
To precisely determine selection length, right-click the timeline ruler, and choose Samples.
5
In the Tasks panel, click Auto Heal. Or choose Processes > Auto Heal.
See also
“
Zoom audio
” on page
33
“
Selecting audio
” on page
36
“
Customize the spectral display
” on page
33
Looping, stretching, and pitch shifting
Create and optimize loops
Audio that loops seamlessly creates a perfect soundtrack for many Flash animations and video spots.
Updated 15 July 2009