How to convert .avc videos to .mts format.
Converting MPEG-4 Advanced Video Coding Movie Format directly to AVCHD Videos (.avc to .mts conversion) is certainly possible and should be quite straightforward.
Try using video editing programs or conversion tools, such as the Freemake Video Converter, which allows users to import AVC videos and export them in MTS format.
A video to DPG convertor