Toshiba Satellite C650D PSC0YC-04H026 Users Manual Canada; English - Page 113
Adjusting Microphone Level, Notes on Using the Microphone, speaker, Playback, Devices, Properties
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Operating Basics Dolby Advanced Audio includes: ■ High-Frequency Enhancer: Analyzes and restores high frequencies lost during encoding. Works on any speaker for a higher level of audio than was previously possible. ■ Audio Optimization: Corrects common audio problems caused by laptop limitations for a better entertainment experience. ■ Natural Bass: Extends the bass response of any speakers by up to an octave. ■ Dolby Headphone: Enables personal surround sound using any set of headphones. To access Dolby Advanced Audio function, follow the steps as detailed below: 1. Right-click on the speaker icon on the Taskbar, and select Playback Devices from the sub menu. 2. Select Speakers, and click Properties. 3. Click the Dolby tab. Adjusting Microphone Level Follow the steps below to change the microphone recording level. 1. Right-click on the speaker icon on the Taskbar, and select Recording devices from the sub menu. 2. Select Microphone, and click Properties. 3. On the Levels tab move the Microphone slider to increase or decrease the microphone volume level. If you feel the microphone volume level is inadequate, move the Microphone Boost slider to a higher level. Notes on Using the Microphone You can use the built-in or an external microphone that connects to the microphone jack to record monaural sounds into your applications. It can also be used to issue voice commands to applications that support such functions (built-in microphone is provided with some models). Since your computer has a microphone and speaker, "feedback" may be heard under certain conditions. Feedback occurs when sound from the speaker is picked up in the microphone and amplified back to the speaker, which amplifies it again to the microphone. This feedback occurs repeatedly and causes a very loud, high-pitched noise. It is a common phenomenon that occurs in any sound system when the microphone input is output to the speaker (throughput) and the speaker volume is too loud or too close to the microphone. You can control throughput by adjusting the volume of your speaker or through the Mute function in the Master Volume panel. Refer to your Windows documentation for details on using the Master Volume panel. User's Manual 4-30