[Feature Article] Examples of such tools include listening-test software, measurement software, and tools with real-time controls that can be used to tune DSP algorithms. The process of getting audio in and out of the computer is not always clear to the uninitiated, even to an otherwise experienced programmer. This article is the first part of a two-part tutorial showing the steps required to access a computer’s audio hardware using high-level audio application programming interfaces (APIs), used primarily in the games industry. The tutorial shows how audio applications can be developed from scratch and tailored to the needs of the audio researcher. It is aimed at researchers in the audio field with some C or C++ programming experience but who are unfamiliar with audio input and output. The tutorial does not require an understanding of game-audio programming but provides the necessary background to produce real-time audio research tools. The second part of this article consists of online tutorials with step-by-step instructions for a number of widely or freely available audio APIs. To view the tutorials go to www.aes.org/tutorials/gameaudio/kelly. Only individual AES members using their personal logins are able to view the tutorials.
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