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Не знал, что такие технологии существуют: https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0064838 Зум умеет добавлять к аудиодорожке специальную аудиоподпись. Эта подпись уникальна для каждого участника встречи и добавляется в воспроизводимую…
Вынесу из комментов.

Есть амазоновская статья с описанием алгоритма:
https://www.amazon.science/blog/audio-watermarking-algorithm-is-first-to-solve-second-screen-problem-in-real-time

Которая ссылается на статью с доказательством:

https://arxiv.org/pdf/1903.08238.pdf

Посмотрел, как выглдядит волна с подписью и без (приложил скрины). Если хотите поиграться, то я вот сделал:

https://colab.research.google.com/drive/1cs-aQeaYkWr2-2z--76harQPyKg2W8NB?usp=sharing

Было бы круто найти статью об устойчивости алгоритма к атакам, но я чет не нашел(



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Вынесу из комментов.

Есть амазоновская статья с описанием алгоритма:
https://www.amazon.science/blog/audio-watermarking-algorithm-is-first-to-solve-second-screen-problem-in-real-time

Которая ссылается на статью с доказательством:

https://arxiv.org/pdf/1903.08238.pdf

Посмотрел, как выглдядит волна с подписью и без (приложил скрины). Если хотите поиграться, то я вот сделал:

https://colab.research.google.com/drive/1cs-aQeaYkWr2-2z--76harQPyKg2W8NB?usp=sharing

Было бы круто найти статью об устойчивости алгоритма к атакам, но я чет не нашел(

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Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin. The picture was mixed overseas. Hong Kong’s Hang Seng Index fell 1.6%, under pressure from U.S. regulatory scrutiny on New York-listed Chinese companies. Stocks were more buoyant in Europe, where Frankfurt’s DAX surged 1.4%. Apparently upbeat developments in Russia's discussions with Ukraine helped at least temporarily send investors back into risk assets. Russian President Vladimir Putin said during a meeting with his Belarusian counterpart Alexander Lukashenko that there were "certain positive developments" occurring in the talks with Ukraine, according to a transcript of their meeting. Putin added that discussions were happening "almost on a daily basis." "There are several million Russians who can lift their head up from propaganda and try to look for other sources, and I'd say that most look for it on Telegram," he said. That hurt tech stocks. For the past few weeks, the 10-year yield has traded between 1.72% and 2%, as traders moved into the bond for safety when Russia headlines were ugly—and out of it when headlines improved. Now, the yield is touching its pandemic-era high. If the yield breaks above that level, that could signal that it’s on a sustainable path higher. Higher long-dated bond yields make future profits less valuable—and many tech companies are valued on the basis of profits forecast for many years in the future.
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