imarin18 Posted January 23, 2020 Author Share Posted January 23, 2020 Dear HTC support team, In relation to the time information of eye tracking device, would it be possible for you to share the eye tracker latency of HTC VIVE Pro Eye tracking device? Of the parameters that can be measured by VIVE Pro Eye, we have "timestamp" as described in the manual. Could you please explain what exactly this "timestamp" means? Specifically, I would like to know whether "timestamp" is the time exactly when eye movements are measured by the sensor. Or is the "timestamp" the time when the data of eye movements are stored on a laptop or an application? Or anything else? Thank you very much for the information you could provide. Best regards, imarin18 @Corvus @Daniel_Y @zzy Link to comment Share on other sites More sharing options...
alwyuyang Posted February 5, 2020 Share Posted February 5, 2020 Dear @imarin18, Have you solved the question? I have the same confusion but don't know how to understand the running mechanism inside vive pro eye. Thank you if you could share:) @Corvus @Daniel_Y @zzy Link to comment Share on other sites More sharing options...
imarin18 Posted February 18, 2020 Author Share Posted February 18, 2020 Dear @alwyuyang No I have not got any response to the question. However, I suppose that the following document from Tobii might help us understand, though I am not sure about the mechanism of HTC VIVE Pro Eye. https://www.tobiipro.com/siteassets/tobii-pro/learn-and-support/design/eye-tracker-timing-performance/tobii-eye-tracking-timing.pdf?v=1.0 Best regards, imarin18 Link to comment Share on other sites More sharing options...
alwyuyang Posted February 24, 2020 Share Posted February 24, 2020 On 2/18/2020 at 5:04 PM, imarin18 said: Dear @alwyuyang No I have not got any response to the question. However, I suppose that the following document from Tobii might help us understand, though I am not sure about the mechanism of HTC VIVE Pro Eye. https://www.tobiipro.com/siteassets/tobii-pro/learn-and-support/design/eye-tracker-timing-performance/tobii-eye-tracking-timing.pdf?v=1.0 Best regards, imarin18 Thank you. It works for me. Link to comment Share on other sites More sharing options...
imarin18 Posted April 7, 2022 Author Share Posted April 7, 2022 On 12/3/2019 at 5:14 PM, Daniel_Y said: Thanks for your feedback. We noticed this issue and will be addressed in the next release. Dear @Daniel_Y, I updated SR Runtime version to SRanipal Runtime (1.3.2.0) and checked this issue. I measured the same parameters as before, thought it seems that the device outputs different pupil data, whereas the time stamp is same. Please refer to the attached my data. Could you please share the update regarding this issue? Thank you very much for the information you could provide. Best regards, imarin18 Link to comment Share on other sites More sharing options...
imarin18 Posted April 11, 2022 Author Share Posted April 11, 2022 On 4/7/2022 at 6:56 PM, imarin18 said: Dear @HackPerception Have you ever seen the following issue before? I updated SR Runtime version to SRanipal Runtime (1.3.2.0) and checked this issue. I measured the same parameters as before, thought it seems that the device outputs different pupil data, whereas the time stamp is same. Please refer to the attached my data. Could you please share the update regarding this issue? Thank you very much for the information you could provide. Best regards, imarin18 Link to comment Share on other sites More sharing options...
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