J. Vainio

The adaptive multirate wideband speech codec (AMR-WB)

Roch Lefebvre, Bruno Bessette, Kari Järvinen, 2002, IEEE Trans. Speech Audio Process..

GSM enhanced full rate speech codec

Redwan Salami, Claude Laflamme, Kari Järvinen, 1997, 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing.

Performance of adaptive multirate (AMR) voice in GSM and WCDMA

H. Holma, J. Vainio, J. Melero, 2003, The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring..

GSM EFR based multi-rate codec family

Kari Järvinen, Janne Vainio, Petri Haavisto, 1998, Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181).