I do not watch the Voice, but I know that it is occasionally broadcast live and AutoHop is not available for live events (i.e. news, special events, sporting events).
ABC (Unrestricted Markets)- 1 day delay
ABC (Restricted Markets)- 4 day delay
NBC (Unrestricted Markets)-1 day delay
NBC (Restricted Markets: Chicago IL, Dallas TX, Harrisonburg VA, Hartford CT, Los Angeles CA, Miami FL, New York NY, Philadelphia PA, Puerto Rico, San Diego CA, San Francisco CA, Washington DC)- 7 day delay
Fox (7 day delay)
CBS (8 day delay)