The 1.0 version of WSC-MA2 for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Commonly, this application's installer has the following filename: WSC-MA2-SMAF-MAC-101-u.zip. The most popular version among the program users is 1.0. WSC-MA2 for Mac is included in Audio & Video Tools. The actual developer of this free Mac application is Yamaha.
From the developer:
Authoring Tool Software for mobile audio LSI. This application can be used to create SMAF/MA-7 files(.mmf), SMAF/HV files(.mmf). Polyphony can consist of up to 67 notes. AL(Analog Lite) and HV(Humanoid Voice) functions are supported.
This application can be used to convert Wave files(.wav/.aif) to SMAF/MA-2 files(.mmf).
You may want to check out more Mac applications, such as Videora Motorola RAZR Converter, Aiseesoft MPEG Converter for Mac or iTunesLister, which might be similar to WSC-MA2.