"The way they had the room that I was in set up, there was some sort of sound deadening platform that I had to stand on in order to get close enough to the microphone"

This quote by Phil Harris suggests that the room he remained in was established in a manner that made it difficult for him to get close enough to the microphone. It appears that the room was developed with some sort of sound deadening platform, which he needed to base on in order to get close enough to the microphone. This recommends that the space was designed to reduce the amount of noise that was able to leave the space, which would have been advantageous for tape-recording purposes. It also suggests that the room was developed to be acoustically sound, which would have been helpful for recording purposes also. This quote by Phil Harris reveals that the room he was in was developed with a specific function in mind, which the sound deadening platform was a vital part of that style.