Greetings from Brazil

I have a Nexus One with Motonav installed. I found a portuguese TTS voice that people here use with Igo 8. But I can't make this voice work with my N1.

The voice files are:
LoqTTS6.dll; LoqTTS6_util.dll
TTS_LOQ (Folder)

I put the .dll files and the TTS_LOQ folder in the folder sd:\Motonav. The .zip file I copied in the folder sd:\motonav\content\voice

The app recognizes the new TTS voice, but when I select this TTS voice, the app mutes.

Does anybody know if Motonav works with TTS voices? Maybe I'm putting the files in wrong folders.