SleepMute at Mac App Store analyse

SleepMute automatically mutes & unmutes sound. Dont let your computer disrupt a quiet shared space with unwanted alert sounds at all hours of the night, let SleepMute keep the peace! Features: - Mute and unmute when the screen saver starts, display sleeps, computer sleeps, or computer restart, shutdown, & logoff. - Fade sound in or out over 1 - 5 seconds. - Mute or unmute immediately instead of fading. - Privacy. Stop prying eyes and ears from knowing what youre watching using a Mac OS X hot corner to sleep the display and mute sound. COMPATIBILITY NOTE: Currently only supports muting startup sound on built-in speakers, not externals.