To hear Voices in your fantasy connote a message from the intuitive or otherworldly domain. On the other hand, the fantasy might be an allegory that you have to voice your feelings all the more noisily. Talk your brain!

To hear voices in your dream signify a message from the subconscious or spiritual realm. Alternatively, the dream may be a metaphor that you need to "voice" your opinions more loudly. Speak your mind!