Search found 5 matches

by JelenaJ
Wed Mar 31, 2021 8:10 am
Forum: Discussion about OpenViBE
Topic: CSV file writer - sampling frequency issue
Replies: 1
Views: 5877

CSV file writer - sampling frequency issue

Hello! I am trying to write certain data to a CSV file which is sampled every 0.1 seconds (10 Hz). However, for some reason, the CSV file writer box writes the sampling frequency to be 1 Hz in the header. The timestamps in the same file say otherwise - they have a step of 0.1s, so the frequency is o...
by JelenaJ
Fri Mar 12, 2021 1:16 pm
Forum: Box and application development
Topic: Editing an already existing box
Replies: 0
Views: 21700

Editing an already existing box

Hello, I am currently trying to get an average value and standard deviation of a streamed signal. Not just a chunk of it, but the whole signal. I found a box that gives some basic statistical values - minimum, maximum and mean, so this solves half of my problem :D . The mentioned box is called Gener...
by JelenaJ
Wed Oct 16, 2019 3:21 pm
Forum: Discussion about OpenViBE
Topic: Huge bug - 20 seconds delay in signal dispaly box
Replies: 1
Views: 8178

Huge bug - 20 seconds delay in signal dispaly box

Hello, I'm using OpenBCI Ganglion and OpenBCI_GUI in combination with OpenVibe. I tried streaming data using LSL protocol to OpenVibe Acquisition Server, and the results were horrible - there was a delay in signal display around 20s (in OpenVibe Designer using the signal display box). I have tried t...
by JelenaJ
Mon Oct 14, 2019 11:31 am
Forum: Acquisition server and drivers
Topic: HELP! Openvibe+OpenBCI - 20 s delay using LSL
Replies: 0
Views: 25836

HELP! Openvibe+OpenBCI - 20 s delay using LSL

Hello, I'm using OpenBCI Ganglion and OpenBCI_GUI in combination with OpenVibe. I tried streaming data using LSL protocol to OpenVibe Acquisition Server, and the results were horrible - there was a delay in signal display around 20s (in OpenVibe Designer using the signal display box). I have tried t...
by JelenaJ
Sat Oct 12, 2019 8:09 am
Forum: Boxes
Topic: OpenViBE+OpenBCI Ganglion
Replies: 0
Views: 24115

OpenViBE+OpenBCI Ganglion

Hello, I'm using OpenBCI Ganglion and OpenBCI_GUI in combination with OpenVibe. I tried streaming data using LSL protocol to OpenVibe Acquisition Server, and the results were horrible - there was a delay in signal display around 20s (in OpenVibe Designer using the signal display box). Also, in the O...