There is no specific information available in the search results about whether the Sharp Aquos Sense9 supports HDR video recording. The search results primarily focus on other Sharp products and their features, such as TVs with built-in Blu-ray recorders and the Aquos R9 smartphone. For detailed specifications on HDR video recording capabilities for the Sharp Aquos Sense9, it would be best to consult the official Sharp documentation or contact their customer support.
Citations:
[1] https://techcrunch.com/2008/10/15/sharp-introduces-the-worlds-first-aquos-with-built-in-blu-ray-recorder/
[2] https://phys.org/news/2010-04-sharp-aquos-tvs-built-in-blu-ray.html
[3] https://phonesdata.com/en/smartphones/sharp/aquos-sense9-5465101/
[4] https://www.gsmarena.com/sharp_aquos_sense9-reviews-13622p4.php
[5] https://www.tomsguide.com/us/sharp-aquos-lc-55n7000u,review-4007.html
[6] https://global.sharp/corporate/news/240508-b.html
[7] https://www.xda-developers.com/sharp-aquos-r7-review/
[8] https://www.gsmarena.com/sharp_aquos_sense9-13622.php