Lol... I wonder why I typed that previously... I must be sleepy...
Anyway, here's the name. Conjugation of the 智 and 秋 results in the name Chiaki that denotes "Autumn"
たかはし智秋 - Takahashi Chiaki
Wow, she also sang for Idolmaster as well.
Here's her biography...
Chiaki TAKAHASHI - Anime News Network
Hope that helps.