If you use only a yellow video cable and leave the red and white unplugged, you’ll get a silent movie. That’s fun for about thirty seconds. Make sure you connect those two audio cables to the correct ports, or use a converter that handles it all.
Your Samsung TV might have a single audio input jack labeled “Audio In” that looks like a headphone port. In that case, you’ll need a special cable that merges the red and white into one plug. It’s a bit fiddly, but it works.
How Do You Connect DVD Player To Samsung Smart TV | Robots.net
If all else fails, plug the DVD player’s audio into a separate speaker or soundbar. That way, you get the movie sound without relying on the TV. It’s like giving your ears a front-row seat.