You might be wondering why so many aliens in Sci-Fi movies and TV shows speak English. Sometimes it's a coincidence. Other times it's a plotline that's conveniently incorporated into the storyline. Other times, it's this fictional product known as a universal translator. But nowadays, Translation Earbuds are just like Translation Device that work like those fictional products that translate in real-time. What is the working principle of translation earbuds? Multiple companies have developed a variety of translation earbuds. Each company relies on different technologies. Real-time speech transcription is a combination of several technologies. Each technology has seen rapid improvements in recent years. From input to output, the chain looks like this: Input Conditioning: The earbuds record background noises and interfere with and pick up the voice of the user. The "denoising" feature removes background noises, while the voice activity detector (VAD) turns the