Three companies such as Finnish Nokia have recently launched the Patent Pool business of mobile phonographic decoders "AMR-NB (Adaptive Multi-Rate Narrowband Codec)". AMR-NB is a voice codec for the third generation of W-CDMA standard, equipped with FOMA and other mobile phones. In addition to the preparation of the Patent Union, there are Swedish Ericsson and Canada Voiceage, which has the main patents of AMR-NB.
The AMR-NB is a voice codec technology that changes the coding speed according to the communication line condition, and can be selected from 8 coding speeds from 8 coding speeds within the range of 4.75 kbps to 12.2 kbps.
Voiceage is an associated company of Canada Sipro Lab Telecom. Sipro Lab Telecom is known for the PDC's patent coder "G.729". In terms of the patent alliance business related to the third generation of mobile phones, 20 companies that have had 3G patent cooperation platforms (3G3P) have become 3G patent cooperation platforms (3G3P). 3G3P's patented acclaim is only about 5%, and it is currently being implemented as soon as possible.
