Normal and Hypernasal Speech
There are many types of speech issues that children with cleft lip and/or palate might present with. Some may be related to their cleft palate, some to their teeth or bite relationship, and others may have no relation to their cleft condition. A qualified speech therapist can help distinguish which kids would benefit from therapy or possibly surgery.
The following are three sets of speech samples for men, women, and children spanning the range in equal intervals from normal to extreme hypernasality (Reference 1 to Reference 8 in each set).