On Sept. 3, NCRA and several captioning vendors submitted comments to the Federal Communications Commission on three issues connected to the implementation of the caption quality best practices. The comments specifically addressed preparation materials, high quality audio signals, and captioning for prerecorded programming. The captioning vendors who signed the comments along with NCRA were: Alternative Captioning Services, Caption Colorado, CaptionMax, LNS Captioning, Media Captioning Services, Paradigm Reporting and Captioning, VITAC, and The Media Access Group at WGBH.