Proposal on Objective Speech Quality Assessment for Wideband IP Telephony. - Chiharu Morioka; Atsuko Kurashima; Akira Takahashi 001 (ICASSP (1), 2005)

Objective quality assessment of wideband speech by an extension of ITU-t recommendation p.862. - Akira Takahashi 001; Atsuko Kurashima; Chiharu Morioka; Hideaki Yoshino (INTERSPEECH, 2005)

Conversational quality estimation model for wideband IP-telephony services. - Hitoshi Aoki; Atsuko Kurashima; Akira Takahashi 001 (INTERSPEECH, 2006)

Objective Assessment Methodology for Estimating Conversational Quality in VoIP. - Akira Takahashi 001; Atsuko Kurashima; Hideaki Yoshino (IEEE Trans. Speech Audio Process., 2006)

QoE Estimation Method for Interconnected VoIP Networks Employing Different Codecs. - Akira Takahashi 001; Noritsugu Egi; Atsuko Kurashima (IEICE Trans. Commun., 2007)

Quantifying wideband speech codec degradations via impairment factors: the new ITU-t p.834.1 methodology and its application to the g.711.1 codec. - Sebastian Möller 001; Nicolas Côté; Atsuko Kurashima; Noritsugu Egi; Akira Takahashi 001 (INTERSPEECH, 2009)