What is the unstressed vowel in conference?

The unstressed vowel in the Word "conference" is the second "e" sound, which is pronounced as the schwa sound /ə/. The schwa sound is the most common unstressed vowel sound in English and is often represented by the symbol /ə/ in the International Phonetic Alphabet (IPA). In the Word "conference," the stress falls on the first syllable "con-," making the following "fer" syllable unstressed.