Here is an example of a multitrack recording: You are using Skype to interview someone for a podcast. If there is a train going by in the background as you speak into the microphone, there is no way to get rid of that train when you go back and edit the final product because there is only one audio recording and it includes both your voice and the train sound. Every sound that gets captured is recorded on one track. Here is an example of a single-track recording: Hook up a microphone, hit the record button, and start talking. While Amadeus Pro works great in a single-track environment, it is also a very powerful multitrack recording and editing program. Whether it is editing a previously recorded Skype conversation, mixing spoken audio and music together, or getting rid of the hiss from an old cassette tape, each task is demonstrated in a way that should give the listener a good idea of how to proceed with his or her own project. Making simple recordings and adding touches to give the finished product a professional sound can be easily accomplished by listening to the examples provided in each lesson and then creating your own masterpiece. Each reader will want to approach each chapter in a way that makes sense to him or her. ![]() Tasks such as making recordings, editing mistakes, and adding effects to "sweeten up" the project are demonstrated in a light-hearted and even humorous manner. When following the tutorial, it is not necessary or even practical to copy Mosen's examples in exact detail, and sample files are not provided. It is quite possible that the listener will pick up some valuable tips for working with the Mac as a side benefit of working through this tutorial. Having said that, Mosen sprinkles many examples of how he personally works with the Mac in general and VoiceOver in particular throughout each chapter. ![]() It is also important to note that anyone working through the tutorial should have prior knowledge of how to use the VoiceOver screen reader. For this reason, it is probably a good idea for the new student to work through the tutorial from start to finish the first time through, and then revisit sections of particular interest later. While new concepts are introduced and thoroughly explained, Mosen is careful not to break the flow of the tutorial by constantly rehashing old explanations. He defines terms such as sampling rate, bit depth, and file encoding in a way that will provide the knowledge to create and save good audio without bogging the listener down in potentially overwhelming details. In a friendly, simple style, Mosen begins by giving the student a basic overview of some audio fundamentals. The developers of the product are aware of the needs of the blind community, and work to keep the program accessible with the Apple VoiceOver screen reader. Priced at just under $60, Amadeus Pro provides a robust set of editing tools for the more advanced audio engineer, while offering a clean, simple interface for the less experienced audio enthusiast. Although there are several audio editors available for OS X including the free Audacity program, and the $299 SoundForge suite of programs, HairerSoft's Amadeus Pro is the option many blind Mac users prefer. Coming in at just less than four hours in length, the audiobook, Become an Amadeus Pro Maestro, clearly lays out the steps for performing many essential audio editing tasks on the Mac. Almost exactly one year later, we return to review another product from Mosen Consulting, this time an audio tutorial. In that article, Deborah mentioned Mosen's many years of audio experience, and listed a few of the ways he has contributed those talents to the blind community over the years. In the February 2014 issue of AccessWorld, Deborah Kendrick reviewed the book Tweeting Blind, by Jonathan Mosen.
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