This chapter explores the ways that technology has changed the way sounds are made and experienced. Technological effects are broken into seven basic categories: capture, or the use of microphones to gather and convert sonic vibrations for immediate retransmission or for fixation on a medium; telephony, or any transmission of sounds at a distance; systematic acousmatization, or the generalized separation of hearing and seeing; amplification and deamplification, or the various ways that the intensity of sounds is modified; phonofixation, or the recording of existing sounds or production of sounds for fixation on various media; phonogeneration, or the technological creation of...