A method executed on a processor for controls audio during playing of a video segment. The method includes receiving a request to play one or more main videos; noting a request for audio matching among the main videos and one or more interstitial videos; determining requested audio parameters for the audio matching; identifying a first interstitial in the main videos in which the interstitial videos may be served, the first interstitial in proximity to a first main video; locating one or more candidate interstitial videos to serve in the first interstitial by matching audio parameters of each of the candidate videos and audio parameters of at least the first main video; and selecting to serve in the first interstitial, one or more interstitial videos having a closest audio match to the first main video.