Download and install MediaInfo. Open your downloaded file and look at the "Audio" section.
While you are focused on 5.1, note that Kollywood is moving to Dolby Atmos (a 3D object-based sound system with height channels). Movies like Jailer, Leo, and Captain Miller are mixed in Atmos. If your system supports it, always download files labeled DDP5.1 Atmos or TrueHD 7.1 Atmos. These files are backwards compatible with 5.1 systems. 5.1 Dolby Digital Tamil Movies BEST Download
Step-by-step guide for the best experience: Download and install MediaInfo
Pro Tip: You cannot directly copy the downloaded file as a standard MKV/MP4 from these services. They are encrypted (DRM protected). To legally keep a permanent copy, you need to use screen recording hardware (like an HDMI capture card) – but this violates terms of service. For personal home theater use, just stream or download within the app. Pro Tip: You cannot directly copy the downloaded