The voice of shame is always accusatory, judgmental, and critical. It is never kind and encouraging, but instead condemning. It loves to be right and point out HOW and WHY we are wrong. Sometimes you hear its voice, sometimes you just feel beaten down with no hope or breathing room.
Go deeper, read The Symptoms of Shame and the 4 Ways It Makes You Feel, post 5, and Shame: Recognize It, Heal From It, Walk in Freedom, post 10. Take the shame quiz and see how shame might affect you.