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Controlling Sound

The Sound pane in System Preferences allows you to adjust input, output and alert volumes, change input and output sound devices, change alert sounds, and play Front Row, an entertainment system, and user interface sound effects, such as when you drag an icon to the Trash. You can use an input device, such as a microphone, to record your voice or give spoken commands on an output device, such as built-in or external speakers, to play music, words, and other sounds. If your computer has two stereo speakers, you can adjust the sound balance between them. If you don’t want to hear sound from your speakers, you can turn on Mute, just like on your TV or stereo. If you use applications with volume controls, such as iTunes, the volume can only be equal to or less than the computer’s output volume. To make volume control easier, you can add output volume to the menu bar.

Change Sound Effects

  • bluecircle_1.jpg Click the System Preferences icon in the Dock, and then click the Sound icon.
  • bluecircle_2.jpg Click the Sound Effects tab.
  • bluecircle_3.jpg To change an alert sound, click a sound from the list.
  • bluecircle_4.jpg Drag the Alert volume slider to adjust the alert volume, which is relative to the output volume.

  • bluecircle_5.jpg To play Finder related sounds, select the Play user interface sound effects check box.
  • bluecircle_6.jpg If you have volume keys on your keyboard, clear the Play feedback when volume keys is changed check box to disable the feedback option and use the volume keys.
  • bluecircle_7.jpg To change output volume from the menu bar, select the Show volume in menu bar check box.
  • bluecircle_8.jpg Click the Close button.
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Set Sound Output Options

  • bluecircle_1.jpg Click the System Preferences icon in the Dock, and then click the Sound icon.
  • bluecircle_2.jpg Click the Output tab.
  • bluecircle_3.jpg Select a device for sound output.

    • Options vary depending on the output sound device.
  • bluecircle_4.jpg Drag the Balance slider to adjust the sound for the left and right speakers.
  • bluecircle_5.jpg Drag the Output volume slider to increase or decrease the volume, or select the Mute check box to turn speaker sound off.
  • bluecircle_6.jpg Click the Close button.

Set Sound Input Options

  • bluecircle_1.jpg Click the System Preferences icon in the Dock, and then click the Sound icon.
  • bluecircle_2.jpg Click the Input tab.
  • bluecircle_3.jpg Select a device for sound input.

    • Options vary depending on the input sound device.
  • bluecircle_4.jpg Drag the Input volume slider to increase or decrease the volume.

    • The Input level meter displays the sound level coming from the selected sound device.
  • bluecircle_5.jpg Click the Close button.
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