digital output

SuperLab SuperLab 4 Support
1

Hello friends, I have a important question for the comunity, I need to fire a pulse of transcranial magnetic stimulation at accuracy time during the presentation of a event (picture or video). Any suggestions? Thanks

2

Hello Miguel,

You can use the Digital Output feature in SuperLab to do that. This requires an I/O card. Do you already have one? Are you using a laptop or desktop? Mac or PC?

Hisham

3

Thanks Hisham, I don´t have the card yet, and I will need to use with a desktop PC. To be more accuracy, I will need to send an event to the TMS machine (BNC plug) at differents times during the presentation of a video. I don´t know if the superlab allows to do that.

Miguel

4

You can play a movie asynchronously–that is, you can have SuperLab do other stuff while the movie continues to play. You can present a DO event and set it to end after a certain amount of time and then present another DO event, for example.

5

Thanks Han, I think that this is the set up that i need. Do you think that i will need to program the PC-DIO card with some of the free software e just to give digital outputs or the SuperLab is enought?
Thanks one more time
Miguel

6

I would hope that the digital output event in SuperLab is enough.

7

timing accuracy

Which is the accuracy in fire a digital event during the play of a movie? in other words, how I can be sure that that the digital event is given at exaclty the time that i need during the visualitation of a movie?
I guess that a short (3 seconds) and low quality movie that require few memory fro the computer can help to minimize the error?
Thanks

8

On Windows, SuperLab uses DirectX to present movies, which in turn uses separate threads to present the movies. As a result, there are serious timing issues playing movies on any single-core Windows PC. You should be able to get better timing results on a multi-core PC. This is independent of the memory requirements or length of the movie.