1 OpenViBE Designer 2.1.0 (0x00000fa6, 0x00006e68) Temporal filter (0xb4f9d042, 0x9d79f2e5) (0x5ba36127, 0x195feae1) Input signal (0x5ba36127, 0x195feae1) Filtered signal (0x2f2c606c, 0x8512ed68) Filter method Butterworth Butterworth false (0xfa20178e, 0x4cba62e9) Filter type Low pass Band pass false (0x007deef9, 0x2f3e95c6) Filter order 4 4 false (0x512a166f, 0x5c3ef83f) Low cut frequency (Hz) 29 1.000000 false (0x512a166f, 0x5c3ef83f) High cut frequency (Hz) 40 20.000000 false (0x512a166f, 0x5c3ef83f) Pass band ripple (dB) 0.5 0.500000 false (0x1fa7a38f, 0x54edbe0b) -112.000000 (0x207c9054, 0x3c841b63) 416.000000 (0x4e7b798a, 0x183beafb) (0x27a4ceec, 0x876d6384) (0xc46b3d00, 0x3e0454e1) (0x00000000, 0x00604a7e) (0xc73e83ec, 0xf855c5bc) false (0x000020f0, 0x000020aa) Signal Decimation (0x012f4bea, 0x3be37c66) (0x5ba36127, 0x195feae1) Input signal (0x5ba36127, 0x195feae1) Output signal (0x007deef9, 0x2f3e95c6) Decimation factor 8 5 false (0x1fa7a38f, 0x54edbe0b) -48.000000 (0x207c9054, 0x3c841b63) 416.000000 (0x4e7b798a, 0x183beafb) (0x5082af41, 0xd0fbf4cb) (0xc46b3d00, 0x3e0454e1) (0x00000000, 0x003d1522) (0xc73e83ec, 0xf855c5bc) false (0x0000599b, 0x000026ba) Acquisition client (0x35d225cb, 0x3e6e3a5f) (0x403488e7, 0x565d70b6) Experiment information (0x5ba36127, 0x195feae1) Signal stream (0x6f752dd0, 0x082a321e) Stimulations (0x013df452, 0xa3a8879a) Channel localisation (0x6ab26b81, 0x0f8c02f3) Channel units (0x79a9edeb, 0x245d83fc) Acquisition server hostname ${AcquisitionServer_HostName} ${AcquisitionServer_HostName} false (0x007deef9, 0x2f3e95c6) Acquisition server port 1024 1024 false (0x1fa7a38f, 0x54edbe0b) -304.000000 (0x207c9054, 0x3c841b63) 480.000000 (0x4e7b798a, 0x183beafb) (0x0d4656c0, 0xc95b1fa8) (0xc46b3d00, 0x3e0454e1) (0x00000000, 0x0092d9ae) (0xc73e83ec, 0xf855c5bc) false (0xc80ce8af, 0xf699f813) 5 (0xce18836a, 0x9c0eb403) 2 (0x000069b9, 0x00005532) Signal display (0x0055be5f, 0x087bdd12) (0x5ba36127, 0x195feae1) Data (0x6f752dd0, 0x082a321e) Stimulations (0x6ab26b81, 0x0f8c02f3) Channel Units (0x5de046a6, 0x086340aa) Display Mode Scan Scan false (0x33a30739, 0x00d5299b) Auto vertical scale Per channel Per channel false (0x512a166f, 0x5c3ef83f) Scale refresh interval (secs) 5 5 false (0x512a166f, 0x5c3ef83f) Vertical Scale 100 100 false (0x512a166f, 0x5c3ef83f) Vertical Offset 0 0 false (0x512a166f, 0x5c3ef83f) Time Scale 10 10 false (0x2cdb2f0b, 0x12f231ea) Horizontal ruler true true false (0x2cdb2f0b, 0x12f231ea) Vertical ruler false false false (0x2cdb2f0b, 0x12f231ea) Multiview false false false (0x1fa7a38f, 0x54edbe0b) 32.000000 (0x207c9054, 0x3c841b63) 544.000000 (0x4e7b798a, 0x183beafb) (0x92c056a7, 0x2dc71aff) (0x527ad68d, 0x16d746a0) (0xc46b3d00, 0x3e0454e1) (0x00000000, 0x00707726) (0xc73e83ec, 0xf855c5bc) false (0xce18836a, 0x9c0eb403) 9 (0xcfad85b0, 0x7c6d841c) 3 (0x0000785b, 0x00002bfd) Cz;O1;O2 (0x361722e8, 0x311574e8) (0x5ba36127, 0x195feae1) Input signal (0x5ba36127, 0x195feae1) Output signal (0x79a9edeb, 0x245d83fc) Channel List : Cz;O1;O2 false (0x3bcf9e67, 0x0c23994d) Action Select Select false (0x666f25e9, 0x3e5738d6) Channel Matching Method Smart Smart false (0x1fa7a38f, 0x54edbe0b) -176.000000 (0x207c9054, 0x3c841b63) 416.000000 (0x30a4e5c9, 0x83502953) (0x4e7b798a, 0x183beafb) (0x277826e1, 0xa30a3bd0) (0x527ad68d, 0x16d746a0) (0xc46b3d00, 0x3e0454e1) (0x00000000, 0x004455b9) (0xc73e83ec, 0xf855c5bc) false (0xc80ce8af, 0xf699f813) 1 (0xce18836a, 0x9c0eb403) 3 (0xcfad85b0, 0x7c6d841c) 1 (0x00004126, 0x00004b0d) (0x000020f0, 0x000020aa) 0 (0x000069b9, 0x00005532) 0 (0x000047bf, 0x000069e6) (0x0000785b, 0x00002bfd) 0 (0x00000fa6, 0x00006e68) 0 (0x000049ec, 0x00002dc5) (0x0000599b, 0x000026ba) 2 (0x000069b9, 0x00005532) 1 (0x00006ae5, 0x00003a78) (0x00000fa6, 0x00006e68) 0 (0x000020f0, 0x000020aa) 0 (0x000070e1, 0x0000292c) (0x0000599b, 0x000026ba) 1 (0x0000785b, 0x00002bfd) 0 (0x00001653, 0x00002964) Note: be sure that the sampling rate and sample count per buffer you use in the acquisition server are compatible with the actual signal decimation factor (0x473d9a43, 0x97fc0a97) 208.000000 (0x7234b86b, 0x2b8651a5) 0.000000 (0x000028e8, 0x00003dee) <big>Overview</big> This scenario can be used in order to check the quality of the signals before starting an experiment. One should definitely check the quality of the signals and ensure that : - eye blinks are visible - jaw clenching are visible - alpha waves are visible when closing eyes (0x473d9a43, 0x97fc0a97) 816.000000 (0x7234b86b, 0x2b8651a5) -112.000000 (0x00004785, 0x00007f9c) You can browse each box' documentation by selecting the box and pressing F1 (0x473d9a43, 0x97fc0a97) 496.000000 (0x7234b86b, 0x2b8651a5) -368.000000 (0x000059b5, 0x00001524) The Temporal Filter and Signal Decimation boxes transform the signal so you can see what is actually used online. (0x473d9a43, 0x97fc0a97) 208.000000 (0x7234b86b, 0x2b8651a5) -128.000000 (0x0000775c, 0x000078ff) (0x3bcce5d2, 0x43f2d968) [{"boxIdentifier":"(0xffffffff, 0xffffffff)","childCount":1,"height":513,"identifier":"(0x00002206, 0x0000360e)","name":"Default window","parentIdentifier":"(0xffffffff, 0xffffffff)","type":1,"width":518},{"boxIdentifier":"(0x000069b9, 0x00005532)","childCount":0,"identifier":"(0x000023cd, 0x0000415f)","parentIdentifier":"(0xffffffff, 0xffffffff)","type":3},{"boxIdentifier":"(0xffffffff, 0xffffffff)","childCount":1,"identifier":"(0x00007f2f, 0x00001c2b)","index":0,"name":"Default tab","parentIdentifier":"(0x00002206, 0x0000360e)","type":2},{"boxIdentifier":"(0xffffffff, 0xffffffff)","childCount":0,"identifier":"(0x000071f9, 0x000001f9)","index":0,"name":"Empty","parentIdentifier":"(0x00007f2f, 0x00001c2b)","type":0}] (0x790d75b8, 0x3bb90c33) Jussi T. Lindgren (0x8c1fc55b, 0x7b433dc2) (0x9f5c4075, 0x4a0d3666) Basic P300 0/4 (0xf36a1567, 0xd13c53da) http://openvibe.inria.fr/openvibe-p300-speller/ (0xf6b2e3fa, 0x7bd43926) (0xf8034a49, 0x8b3f37cc) Inria