Introduction

This page provides a summary of the registered CMAF media profiles for text. For details on the process, please refer to the general introduction.

Media Profiles for Text

CMAF Profile Parameter Media Profile Name Specification Appropriate Codecs Parameter More Information
im1t IMSC1 Text ISO/IEC 23000-19 Annex A.4 stpp.ttml.im1t https://www.w3.org/groups/wg/timed-text/ipr
im1i IMSC1 Image ISO/IEC 23000-19 Annex A.4 stpp.ttml.im1i https://www.w3.org/groups/wg/timed-text/ipr
im2t IMSC1.1 Text ISO/IEC 23000-19 Annex L stpp.ttml.im2t https://www.w3.org/groups/wg/timed-text/ipr
im2i IMSC1.1 Image ISO/IEC 23000-19 Annex L stpp.ttml.im2i https://www.w3.org/groups/wg/timed-text/ipr
cwvt WebVTT ISO/IEC 23000-19 Annex A.4 wvtt https://www.w3.org/groups/wg/timed-text/ipr
ccea CTA 608/708 ISO/IEC 23000-19 Annex A.4 n/a https://www.w3.org/groups/wg/timed-text/ipr