Search found 15 matches

by aizmeng
Wed Jul 15, 2020 12:55 pm
Forum: Discussion about OpenViBE
Topic: Huge bug - 20 seconds delay in signal dispaly box
Replies: 1
Views: 8202

Re: Huge bug - 20 seconds delay in signal dispaly box

Yes,I also encounter this big delay in signal display box.
Also, Device drift in the Acquisition server is increased by negative values.
I think this is a big bug in LSL with OpenBCI.
by aizmeng
Sun Aug 13, 2017 1:53 pm
Forum: Acquisition server and drivers
Topic: Openvibe acquisition server cannot open
Replies: 1
Views: 2510

Openvibe acquisition server cannot open

Hi, everyone.

Today, I just clicked the Openvibe acquisition server .xml, there was an error informed the server.exe cannot open.
The error information was: FirstAmp.dll lost.

Someone can help me to solve this problem?
by aizmeng
Sun Aug 13, 2017 1:49 pm
Forum: Acquisition server and drivers
Topic: Problems with NeuroRT dry sensor driver with DSI-24 device
Replies: 4
Views: 10745

Re: Problems with NeuroRT dry sensor driver with DSI-24 devi

Thanks for your reply. However, the A1 channel is not an auxiliary channel, just a reference channel located the earlobe. In OpenVibe v1.2.2, there is no "Cap montage" configuration item, just the Aquisition Server Configuration---Drift Correction including the "Let the driver decide". Dear aizmeng,...
by aizmeng
Sun Aug 13, 2017 1:37 pm
Forum: Designer
Topic: ov2edf.xml error
Replies: 3
Views: 9700

Re: ov2edf.xml error

Hi,tgaugry Thanks for your reply. I can reproduce this error with any file. I am afraid that i just only provide this information about the error. I tried many different files with different path folders, but the error was always happened. Before this error happened, the ov2edf.xml can work well. It...
by aizmeng
Thu Aug 10, 2017 6:54 am
Forum: Designer
Topic: ov2edf.xml error
Replies: 3
Views: 9700

ov2edf.xml error

Hi, everyone. I am using the ov2edf.xml to convert the .ov format EEG signals obtained by the motion-imagery.xml to .edf format. The xml can work well in previous. However, suddenly there is an error happened today. the error information is: edfclode_file: could not close file......... Can someone h...
by aizmeng
Wed Aug 09, 2017 6:24 am
Forum: Acquisition server and drivers
Topic: Problems with NeuroRT dry sensor driver with DSI-24 device
Replies: 4
Views: 10745

Problems with NeuroRT dry sensor driver with DSI-24 device

Is this a bug about A1 channel lost with the NeuroRT Driver Collection[Wearable Sensing Dry Sensor Interface] ? Openvibe v1.2.2 was used. I used NeuroRT Driver Collection[Wearable Sensing Dry Sensor Interface] as the driver and the wearable sensing' DSI-24 device was used as EEG device. The DSI-24 d...
by aizmeng
Tue Jul 08, 2014 9:36 am
Forum: Box and application development
Topic: Help me! How to convert outputs of classifiers to a command
Replies: 0
Views: 5456

Help me! How to convert outputs of classifiers to a command

Please help me! I am a newbe. I learn to use the SSVEP scenario. And I also use the VRPN to obtain analog values of SSVEP three LDA classifiers' outputs. But I have some problem!! (1) How to convert these analog values to a command( label) ? (2) I am not a C++ programmer, I have no idear to program ...
by aizmeng
Tue Jul 08, 2014 5:41 am
Forum: Boxes
Topic: VRPN output of LDA classifiers of SSVEP
Replies: 0
Views: 3503

VRPN output of LDA classifiers of SSVEP

I have used the VRPN-tutorial to get the outputs of classifiers, but I don't know how to convert the outputs to a command! For example, the SSVEP scenario, there are three outputs of three classifiers. How to convert the three analog outputs to a label(a command)
by aizmeng
Thu Jul 03, 2014 9:07 am
Forum: Boxes
Topic: VRPN
Replies: 30
Views: 34133

Re: VRPN

I have used the VRPN-tutorial to get the outputs of classifiers, but I don't know how to convert the outputs to a command! For example, the SSVEP scenario, there are three outputs of three classifiers. How to convert the three analog outputs to a label(a command)
by aizmeng
Wed Jun 25, 2014 1:09 pm
Forum: Scenarios and BCI design
Topic: How to add a flicking patch in SSVEP scenario
Replies: 0
Views: 3129

How to add a flicking patch in SSVEP scenario

I want to add a flicking patch in SSVEP scenario! So, there is more a class label!
I use the four class to develop my application!
How can I do to establish this scenario?
Please give me more details!
Thanks
by aizmeng
Thu Jun 05, 2014 7:33 am
Forum: Discussion about OpenViBE
Topic: Matlab scripting box error
Replies: 10
Views: 16785

Re: Matlab scripting box error

I don't understand how to solve the error。
Tutorial : Using Matlab with OpenViBE
The tutorial can't solve my problem?
Someone can help me ???
by aizmeng
Mon May 26, 2014 12:31 pm
Forum: Discussion about OpenViBE
Topic: How can I send output of classifiers to an external device ?
Replies: 2
Views: 4813

Re: How can I send output of classifiers to an external devi

I use the example of VRPN, and I compile it the error: 1>------ 已启动生成: 项目: testVRPN, 配置: Debug Win32 ------ 1>vrpn-application.obj : error LNK2019: 无法解析的外部符号 "public: __thiscall vrpn_Button_Remote::vrpn_Button_Remote(char const *,class vrpn_Connection *)" (??0vrpn_Button_Remote@@QAE@PBDPAVvrpn_Conne...
by aizmeng
Fri May 09, 2014 1:01 pm
Forum: Discussion about OpenViBE
Topic: How can I send output of classifiers to an external device ?
Replies: 2
Views: 4813

How can I send output of classifiers to an external device ?

I am a new Openvibe user, and I am not good at programming!I just can use Matlab! I'm using Emotive Epoc headset to acquiring eeg datas.I want to use motor-imagery scenario to classify left or right movement! The output of classifiers can be used to control a Functional electrical stimulation device...
by aizmeng
Fri May 09, 2014 12:52 pm
Forum: Discussion about OpenViBE
Topic: Matlab scripting box error
Replies: 10
Views: 16785

Matlab scripting box error

I just to use "/box-tutorials/matlab/tuto1-signal-filter.xml"provided by the latest OpenVibe version! And I configure "signal filter" ---Matlab working directory and Matlab working directory. But there is an error [ ERROR ] At time 0.000 sec <Box algorithm::Signal filter> Could not open the Matlab e...
by aizmeng
Fri Apr 11, 2014 7:31 am
Forum: Acquisition server and drivers
Topic: How to connect to Emotiv Epoc?
Replies: 1
Views: 4511

How to connect to Emotiv Epoc?

How to connect Emotiv Epoc to OpenVibe?
Give me more specific instructions!!!

My version: Emotiv Epoc Research Edition SDK v2.0.0.20 (the latest version)

OpenVibe(latest version)