Outline of Sound Field CD for Obstacle Perception Training Ver. 0.0
![Label of Sound Field CD for Obstacle Perception Training Ver. 0.0. Next sentense is an explanation of this CD.](../../data/image/CD00Label.gif)
Ver. 0.0 was the first experimental production made in the fall of 2001. The CDs had been distributed to about 50 people concerned with the blind in Japan until the finish of service of February 4, 2004.