The 4.0 version of CrySonic SINDO is available as a free download on our website. The actual developer of the program is CrySonic. This PC software is compatible with Windows XP/7/10/11 environment, 32-bit version. The most popular versions among the program users are 4.0, 3.5 and 2.0. The program relates to Multimedia Tools.
From the developer:
SINDO V4 is our next generation industry leading audio stereo image Expander (widener) / Narrower offering an even greater number of enhanced new features and quality while retaining extremely high level of mono compatibility with minimal side effects.
You may want to check out more software, such as HDX4 Movie Creator, Wizefinder or RadioCom, which might be related to CrySonic SINDO.