Join Bobby Owsinski for an in-depth discussion in this video Understanding AAC, the iTunes file format, part of Audio Mastering Techniques.
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iTunes uses the Advanced Audio Coding, or AAC file format, as a standard for all the music in its store.…Contrary to popular belief, it's not a proprietary format owned by Apple.…In fact, it's part of the MP4 specification and generally delivers excellent quality files that are about 30%…smaller than a standard MP3 of the same data rate.…All new music destined for the iTunes Store is now encoded at a constant bit rate of…256 kilobits per second and a sample rate of 44.1 kilohertz.…
The iTunes Store discontinued selling 128 kilobits per second music files in April of 2008.…While the iTunes Store does the encoding for you after the songs have been submitted, here…are some of the parameters of the AAC Encoder that are available if you do your own encoding in iTunes.…The settings can be found under iTunes > Preferences > General.…You click Import Settings, choose Import Using AAC Encoder and then under Setting choose Custom.…
The first setting is Stereo Bit Rate.…This allows you to select the bit rate for your AAC encode.…
First, discover how to configure your monitoring setup, optimize your listening environment, and prepare and print alternative mixes that will allow you to make quick fixes during mastering. Bobby then reviews a selection of dedicated mastering tools that give you precise control over select signal parameters, from compressors to de-essers. He'll discuss the differences between mastering for CD, online distribution, and specifically for iTunes, and how to achieve the best results for each medium. The course wraps with lessons on mastering for high-resolution formats like Blu-ray, as well as delivering and archiving the master recording once the project is complete.
- What is mastering?
- Preparing your tracks for mastering
- Deciding between monitors and headphones
- Exploring the dynamic range of different music genres
- Adjusting song balances
- Compressing the tracks
- Balancing frequency
- Reducing sibilance with a de-esser
- Inserting fades
- Eliminating noise
- Mastering CDs, MP3s, and AACs for iTunes
- Archiving masters