Internet audio technologies and application services - Real-time music transmission and distribution by TwinVQ

We have developed a real-time transmission and distribution system of hi-fi music on the assumption that it will be run on best effort type networks s uch as OCN and the Internet, which do not guarantee bandwidth. By applying the TwinVQ*(1) technology to compress and encode music, we have succeeded i n reducing the amount of data to be transmitted to between one fifteenth to one ninetieth while limiting deterioration in sound quality to a certain e xtent. The TwinVQ software has been introduced to a range of application se rvices for a large number of customers as the multimedia platform NTT provi des.