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New technology to greatly improve video communication tested during dive to Titanic wreck

The submersible is ready for the dive to the Titanic on the morning of July 14, 2022. Credit: Alex Waibel, KIT

The COVID-19 pandemic has enormously boosted the recognition of video communication—however generally poor transmission high quality, dropouts, and connection failures throughout conferences or convention calls tax the members’ endurance. Researchers at Karlsruhe Institute of Expertise (KIT) and Carnegie Mellon University (CMU) have developed a technique for transmitting video conferences over very low bandwidth connections, enabling such transmissions even below excessive situations. It was examined throughout a dive to the wreck of the Titanic, which lies at a depth of almost 4,000 meters within the North Atlantic.

“Transmitting data from a depth of four kilometers through salt water without any loss is extremely difficult,” says Professor Alex Waibel, who conducts analysis on speech translation at KIT and CMU. Pure situations enable sonar transmission from the submersible to the mom ship at sea-surface degree solely, since radio communication doesn’t work in salt water. The researchers have developed artificial strategies to transform video knowledge into textual content. The sound recording is first transformed to textual content within the submersible after which transmitted to the floor by sonar sound pulses, the place the video is reconstructed from the textual content. “The video then features a synthetic voice that is mapped to the voice of the person who is speaking, so that it sounds like the voice of that person. In addition, the video synthesis is controlled in such a way that the lips of the speaker move in sync with the sound,” explains Waibel, who has been doing analysis in speech recognition, speech processing, and speech translation for many years. “In the future, this will facilitate remote communicate in spoken language,” says Waibel. Nevertheless, it is usually appropriate for synthesizing movies in a unique language or for lip-syncing movies.

Deep-sea test on Titanic wreck: new technology to greatly improve video communication
The submersible for the dive to the Titanic on its launch and restoration platform. Credit: Alex Waibel, KIT

The know-how examined by Waibel on the wreck of the Titanic builds on a long time of pioneering work in speech translation. Waibel’s developments embrace the Lecture Translator in use at KIT to routinely document the lecturer’s speech in lectures and translate the speech alerts concurrently into written English textual content. Which means that college students can observe the lecture on their laptop computer, smartphone, or pill.

AI outperforms humans in speech recognition

New know-how to significantly enhance video communication examined throughout dive to Titanic wreck (2022, July 26)
retrieved 26 July 2022

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