In professional distribution, subtitle behavior is often dictated by ISO 639 codes. For example, if a language code is in upper case in a digital cinema naming convention, it may indicate subtitles generated in real-time by the projector rather than burned into the image. Language Learning with Subtitles
While most subtitles are placed at the bottom of the screen, text may be moved (to the top) to avoid obscuring existing on-screen elements like: Ci Ma subtitles Portuguese
Text that is part of the original image and cannot be removed. In professional distribution
Original language audio with Portuguese subtitles. Ci Ma subtitles Portuguese
Portuguese subtitles are a popular tool for , a language learning method that emphasizes exposure to understandable messages. Portuguese Language Hacks - Luso