Toshiba NB510 Manuel d'utilisateur télécharger pdf (Page 61)

Sound Effects

This section explains how to select various sound effects.

Environment - simulates reverberations of sound for familiar

environments around us. You can select an existing preset in the

menu.

Equalizer - raises or lowers a frequency of sound to simulate a

popular genre of music. You can select an existing preset in the menu.

Karaoke - cancels the specific frequency of sound and results in the

Voice Cancellation. Clicking the Karaoke icon, lowers the vocal

sound within music. Using the arrow buttons will adjust the musical

key of the sound.

Microphone Effects

Microphone Effects are only found within Microphone window.

Noise Suppression reduces background noise and fan noise.

Acoustic Echo Cancellation reduces feedback and feedback echo.

Default Format

You can change the sample rate and bit depth of sound.

Notes on Using 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.

Video mode

Video mode settings are configured via the Screen Resolution dialog.

To open the Screen Resolution dialog, click Start -> Control Panel ->

Appearance -> Display -> Change display settings.

NB510

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Toshiba NB510 Manuel d'utilisateur Page 61