Now that we know the difference between subtitles, closed captions and SDH subtitles, let’s discuss why SDH subtitles should be included in all of your videos. Closed Captions do not support HDMI encoding.Ī final key difference is that closed closed captions often lag behind what is said on the screen, whereas SDH subtitles will appear on the screen synchronised to the audio on screen. This is because SDH subtitles support encoding through HDMI (High Definition Multimedia Interface). Additionally, you are able to use SDH subtitles on a wider variety of media types, such as streaming internet videos and Blu Ray DVDS. Also, unlike closed captions, SDH subtitles usually appear centred in the lower bottom third of the screen. All important elements to consider when adding SDH subtitles. SDH subtitles differ from closed captions in that they can appear in a variety of font sizes, styles and colours, like traditional subtitles. SDH Subtitles also differ from subtitles and closed captions in their appearance, placement and encoding. SDH subtitling provides better comprehension of the video content for those who cannot understand the spoken dialogue or have problems understanding the accents. SDH subtitles provide a text transcription in the same language as the spoken dialogue, with additional text annotation of environmental sounds and music. The acronym SDH stands for Subtitles for the Deaf and Hard of Hearing. SDH subtitles are a hybrid of subtitles and closed captions that were developed for the Deaf and hard of hearing community. The text is also usually white on a black background and the placement can vary.Ī third option to make videos more accessible is SDH subtitles.īefore your head starts to swirl off its axis, let us explain the key difference between SDH subtitles and why your video should have them. Closed captions may also include speaker names if necessary. For example, closed captions will note applause, music, slamming doors, etc. Unlike subtitles, they provide text for all audible information. They are usually in the same language as the video and are generally intended for viewers who are Deaf or hard of hearing. Because of this, subtitles are not considered an appropriate accommodation for deaf and hard of hearing viewers.Ĭlosed captions (CC), on the other hand, assume that the viewer cannot hear. Subtitles don’t, however, include non-speech sounds like laughter and yelling. Subtitles provide a word for word text transcription of what is being spoken in a video. Subtitles assume that the viewer can hear but either doesn’t understand the language spoken or has turned off the sound for convenience. Hopefully you are already familiar with the key differences between subtitles and closed captions (CC):
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