Yamaha Corporation

Tsukasa Suenaga

Futoshi Shirakihara

Akira Miki

Hirofumi Onitsuka

Tsunenori Sano

Azumi Yoshida

Yu Yamazaki

Takuya Otsuka

A speaker unit includes a yoke, a magnet, a voice coil and a partitioner. The yoke includes a base portion and a protruding portion protruding from the base portion. The magnet is disposed on the base portion. The top plate is disposed on the magnet. A magnetic gap is formed between the top plate and the protruding portion. The voice coil is disposed in the magnetic gap. The partitioner is disposed in a surrounded-space surrounded by the yoke, the magnet and the top plate. The partitioner is spaced apart from the base portion. The partitioner includes at least one opening.

Speaker unit

An audio processing apparatus has a setting processor that sets a size of a virtual sound source; and a signal processor that generates an audio signal by imparting to an audio signal a plurality of head-related transfer characteristics. The plurality of head-related transfer characteristics corresponds to respective points within a range that accords with the size set by the setting processor from among a plurality of points, with each point having a different position relative to a listening point.

Audio processing method and audio processing apparatus

A speaker box structure of an electronic device, includes: a left side speaker box having: a left side wall part; and a first opposed wall part which has a region where a distance in a lateral direction from the left side wall part to the first opposed wall part continuously varies; and a right side speaker box having: a right side wall part; and a second opposed wall part which is opposed to the first opposed wall part in an intermediate part in the lateral direction, and which has a region where a distance in the lateral direction from the right side wall part to the second opposed wall part continuously varies.

Speaker box structure of electronic device

A keyboard instrument includes: an instrument body; at least one speaker; and at least one acoustic pipe configured to collect a sound emitted from the at least one speaker and guide the sound to at least one sound emitting opening formed in a front face of the instrument body.

Growing community of inventors

Iwata, Japan

Tsukasa Suenaga