Effects of Dialogue Corpora Properties on Fine-Tuning a Moshi-Based Spoken Dialogue Model. - Yuto Abe; Mao Saeki; Atsumoto Ohashi; Shinnosuke Takamichi; Shiyna Fujie; Tetsunori Kobayashi; Tetsuji Ogawa; Ryuichiro Higashinaka (IWSLT, 2026)