From Longman Dictionary of Contemporary Englishsound biteˈsound bite noun [countable]  PPTCBa very short part of a speech or statement, especially one made by a politician, that is broadcast on a radio or television news programme
                                                    
                                                Examples from the Corpus
sound bite• It is a good sound bite, but it is not any better for hearing it the second time.• His forte had been the media sound bite.• a 20-second sound bite 
