In today's tutorial we begin to delve into the world of editing digital audio. Let's start with a simple solution of the problem, problem that many people will ever encounter. How to change the pitch of a file (or of a part of file) lossless audio? The answer is "can not". Is required to change the pitch a little (laughable) loss of information, imperceptible, but it is better to know. For this tutorial we will use the open source audio editor Audacity, and we will use this audio file. First of all open Audacity and import the file: "File" - "Import" - "Audio". (more…)