US Patent 7995769 Sound control apparatus of image forming apparatus

A sound control apparatus of image forming apparatus includes a sound-transmitting channel in which the sound in the image forming apparatus can be transmitted to the outside of the image forming apparatus, a sound-collecting portion which is provided at the sound-transmitting channel and collects sounds, and a speaker which is provided at the outside of the apparatus to the sound-collecting portion in the sound-transmitting channel and outputs sounds corresponding to the sounds collected by the sound-collecting portion, where a channel length between the sound-collecting portion and the speaker in the sound-transmitting channel is longer than a linear distance between the sound-collecting portion and the speaker.