How to convert WMV to AAC on MAC OS
This is a step by step guide show you how to convert .wmv to .aac on Mac OS X including Snow Leopard and Lion.
1. What's AAC
Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio, which has been standardized by ISO and IEC, as part of the MPEG-2 & MPEG-4 specifications. The MPEG-2 standard contains several audio coding methods, including the MP3 coding scheme. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at many bit rates.
AAC's best known use is as the default audio format of Apple's iPhone, iPod, iTunes, and the format used for all iTunes Store audio. AAC is also the standard audio format for Sony's PlayStation 3 and is supported by Sony's Play station Portable, walkman Phones from Sony Ericsson, Nseries Phones from Nokia, etc.
2. How to convert WMV to AAC on Mac
Free Download WMV to AAC Converter for Mac:
Download Video Converter for Mac (Intel version) Download Video Converter for Mac (PowerPC version)
To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want).
Step 1: Add WMV video files to Mac WMV to AAC Converter
click File -> Click File -> Add Video Files or Add Audio Files from main menu to add WMV video files to the wmv to AAC mac converter. This WMV video converter for Mac supports drag-drop and batch conversion, so you can import and convert several multimedia files at a time.

Step 2: Select output format as AAC
Click image button at right of each video item, set output file name and choose AAC as output format from Format list.

Step 3: Change AAC Video and audio Settings
You can change the Resolution, Codec, Bit rate and Frame rate of the AAC video and Sample Rate and Bit Rate of the AAC Audio. The size of the AAC file depends a lot on these settings.

Step 4: Select output directory
Click Video Converter -> Preference -> Output from main menu to select an output directory.

Step 5: Click 'Start' to convert WMV to AAC on Mac
After all the settings, just click 'Start' to convert .wmv to .AAC file on Mac OS X. If you want to trim, crop and more editing, please go to how to trim, crop and merge AAC videos on Mac..
