Patent app: personal stereo cellphone

Snip from a patent application developed for NEC:

In a cellular phone, stereophonic sound reproduction of music etc. is realized by using a microphone and a speaker of the cellular phone as stereophonic speakers. By the stereophonic sound reproduction function, radio broadcasting from FM stations, streaming sound from the Internet, etc. are reproduced by the cellular phone.

Link to " Cellular phone with high-quality sound reproduction capability " (via pho list)