WE'RE GONNA BUILD WE'RE GONNA USE JAVASCRIPT TO BUILD THE VIDEOS ON THE FLY RIGHT 'CAUSE IT'S FAST SO THE THE PERMANENT STORAGE IS JUST THE CAMTASIA STUFF SO UH IS THAT A PROBLEM WHERE ARE WE PUTTING THINGS IS THERE MM IS THERE SUCH A THING UM AS UM YOU KNOW DUAL TRACK VIDEO BECAUSE YOU CAN CERTAINLY MIX THINGS UM WHAT IDEALLY ONE WANTS ONE DOESN'T REALLY WANT TO L TO HAVE THESE THINGS UH UM BECAUSE WE'RE USING THEM FOR BACK UP AND FOR CODING WE DON'T REALLY WANT TO PLAY THEM INDEPENDENTLY WE DO ALMOST ALWAYS WANT TO USE THEM IN EXACTLY IN PARALLEL TIME ALIGNED YOU CAN DUMP 'EM INTO ONE VIDEO FRAME IF YOU DON'T MIND LOSING RESOLUTION BUT THAT'S MAYBE A PROBLEM RIGHT BECAUSE WELL THE OTHER PROBLEM IS UH CAMTASIA HAS TO BE MANUALLY LAUNCHED ON BOTH MACHINES SEPARATELY SO THE SYNCHRONIZATION'S GONNA BE A PROBLEM UM WHAT ARE WE DOING FOR SYNCHRONIZATION OTHERWISE OH I MEAN NOT DURING THE TASK UH BEFORE FOR EACH TASK YES YES WELL MAYBE YOU COULD THE THING THAT YOU'RE DUMPING THEM ONTO JUST STARTS RUNNING WITH THE FLASH AND THE BLEEP YOU TURN ON THE TWO COPIES WHENEVER AT DIFFERENT TIMES BUT THEY'RE STILL NO IS THE WHAT WHAT I TH WHAT ARE THEY I DON'T REALLY UNDERSTAND THE THE PARTS THAT ARE OPERATING HERE TWO VIDEOS ARE TURNING ON THERE IS NO TIME STAMP THAT COMES FROM SOME COMMON SOURCE NO MM-HMM THE THEY THEY'RE NOT TALKING TO EACH OTHER THEY'RE JUST RECORDING YOU START IT RECORDING AND IT STARTS RECORDING WHAT'S ON ONE SCREEN AND YOU START THE OTHER RECORDING ON THE OTHER MACHINE AND THEY'RE THEY'RE TOTALLY SEPARATE THEY DON'T KNOW ABOUT THE OTHER ONE RIGHT SO THE FLASH GET ALLOWS YOU TO HAND SYNCHRONIZE THEM LATER IF YOU NEED TO BY STRIPPING EXTRA VIDEO OFF THE FRONT AS LONG AS YOU MAKE SURE YOU START 'EM BEFORE THE FLASH THEN YOU'RE FINE BUT IT WILL THERE'S A A COST OF HAVING TO GO TO BACK UP WHICH IS SYNCHRONIZING THEM SO THEY'LL INCLUDE THINGS LIKE THE UM THE EYE TRACKER CALIBRATION RIGHT WHICH IS NOT A BAD THING ACTUALLY BECAUSE SOMETIMES YOU WANNA GO BACK AND FIND OUT IF THIS WAS JUST A PARTICULARLY DUFF SUBJECT RIGHT YEAH AND HAND EVERY TIME WE RE CALIBRATED THE DAMN THING SLIPPED YEAH YEAH THAT'S TRUE I UH RIGHT YEP MM-HMM RIGHT OKAY RIGHT NO THEY THAT ACTUALLY SAVES YOU HOURS TRYING TO MAKE SOMEBODY'S DATA SMOOTH OUT WHEN IT WON'T BECAUSE YEAH THAT'S A TECHNICAL TERM THAT'S A A TECHNICAL CATEGORIZATION IN PSYCHOLOGICAL RESEARCH THE OTHER THING WE WERE GETTING SORTED OUT WAS THE THE MICROPHONES 'CAUSE ONLY ONE OF THE UH CAMTASIA VIDEOS WILL ACTUALLY HAVE THE SOUNDTRACK AND THAT'S BECAUSE UH WE'RE JUST GETTING WE'VE GOT ONE CABLE AND TO THE TWO MICS I SUPPOSE WE CAN DO IT IS IT WOULD IT BE WORTH SPLITTING IT THAT'S THAT'S TWO TRACK THAT'S STEREO WHAT WE'VE FINALLY JUST UH AT TWELVE O'CLOCK TODAY LOOKS LIKE WE'VE GOT IT SUSSED UM IS TO GET ONE CHANNEL ONE MICROPHONE BEING THE LEFT CHANNEL AND ONE BEING THE RIGHT CHANNEL TO MERGE INTO A STEREO SINGLE FILE UH UNFORTUNATELY THE ON ONE MACHINE ON ONE OF THE THE DISPLAY P. C. S YEAH THE CAMTASIA V VIDEO O O IT'S UH ON CAMTASIA MM I MEAN U THAT'S OUR ONLY SOUND RECORD YES WELL OKAY YOU'VE GOT THE PROPER SOUND RECORD BUT YOU'RE NOT DUMPING IT THROUGH CAMTASIA TO RECORD IT RIGHT YOU'RE IT'S CAMTASIA THAT'S RECORDING IT WHAT BEFORE WE WERE GONNA USE CAMTASIA AT ALL WHAT WELL WHAT WE WERE GONNA DO WHAT WERE WE GOING TO DO WITH THE SOUND MM-HMM UH-HUH YEAH SO UH HA WOU IS THERE ANY SOUND DEGRADATION THAT COMES ABOUT FROM PUTTING THIS THROUGH CAMTASIA RATHER THAN RUNNING IT OUT STRAIGHT NO YOU GOT YOU YEAH YOU GOT EXACTLY THE SAME ACCESS TO SOUND QUALITY AS YOU GOT FROM ANYTHI ANYTHING ELSE ON THE WINDOWS SO YOU CAN YOU DECIDE WHATEVER QUALITY YOU WANT SO GOT A BIT OF IT'S AN EASY BIT OF YEAH AND THEN YOU'RE GONNA BUNG IT ON THE OTHER CAMTASIA TRACK TOO IF YOU NEED IT RIGHT BUT WE'LL JUST WE'RE GONNA STORE ALL THREE SEPARATELY THEN AND THE SOUND IS GOING TO START AT THE SAME TIME AS ONE OF THAT ARBITRARY ONE OF THE CAMTASIA VIDEOS BUT YOU'LL KNOW WHEN THE REAL EXPERIMENT YOU'LL KNOW THE RELATIONSHIP BETWEEN THAT AND THE EYE TRACKER TIMINGS UH YEAH BECAUSE THE THE SYNCHRONIZATION THE AUDIO AND VI THE AUDIO VISUAL SYNCHRONISATION COMES AT A SPECIFIC POINT IN THE EYE TRACK FILE YEAH NO HUMAN INTERVENTION REQUIRED IT'S TIME STAMPED NO IT'S YEAH TH IT'S I I STA STAMPED INTO IT SO IT'S JUST AFTER JUST AFTER IT PRINTS THE LINE STARTING EXPERIMENT UH UH YEAH I'LL I'M PRETTY SURE IT'S JUST YEAH YEAH BUT HO HOLD ON DO WE NEED THAT I MEAN IT I I THOUGHT THE WAY THAT TIM HAD THIS SET UP ORIGINALLY UM THE AUDIO UH W THE TIME STAMPS USED THERE WOULD BE JOINT TIME STAMPS BETWEEN THE AUDIO AND THE EYE TRACKER SO THAT YOU KNOW UH THE AUDIO RECORD TEN SECONDS IN WAS THE SAME AS TEN SECONDS INTO THE EYE TRACKER RECORD SO THAT WE DIDN'T HAVE TO DO ANY EXTRA HAND WORK YOU KNOW ANY UH CHOPPING THE STARTS OF AUDIO SIGNALS TO GET THERE WAS NOTHING OKAY SO WE'RE RELYING ON YOUR MATLAB SCRIPT TO GET US THE CHOPPED VERSION OF THE AUDIO RIGHT UH WELL THE WELL THE MATLAB SCRIPT UH BAS JUST SA UH JUST SAYS UH YEAH GI GI GIVES YOU THE TIMES OF THE AUDIO BEEP IN THE S IN THE SIGNAL SO I JUST YEAH RIGHT SO WE THERE'S GONNA BE A WAY TO SOONER OR LATER TO ALIGN THE EYE TRACK CAMTASIA ONE CAMTASIA TWO WITH TWO SOUND CHANNELS YEAH YEAH BUT UH BUT D UM THE UH LINING UP THE CAMTASIA TWO IS GONNA TAKE WE W HE'S WORKING ON A MATLAB SCRIPT FOR THE SOUND BUT NOT FOR SO THE ONE THAT'S GOT THE SOUND ON IT THAT'LL ALSO TELL YOU WHERE TO CHOP THE VIDEO TO GET IT TO LINE UP THE ONE THAT DOESN'T HAVE THE SOUND ON IT IT WON'T AH THE BLEEP WE'LL FIND OH YEAH OH OKAY SO W NO HAND SYNCHRONIZATION REQUIRED AT ALL UM AS LONG AS THE SCRIPTS WORK RIGHT 'KAY HOW CONFIDENT ARE YOU ABOUT THE FINDING THESE THINGS PRETTY CONFIDENT BUT YOU YOU'VE YOU'VE SEEN THEM IT IT WAS IT WAS SO WE JUST HAVE TO W HOPE WE DON'T HAVE AN ANY SUBJECTS WITH THE ODD VOCALIZATIONS SO YEAH OKAY MM-HMM YEAH 'CAUSE THIS THIS IS THE DROP OUT TEST YEP OKAY WHEN YOU DECIDE IT'S ALL OVER DOES IT PING YOU BACK AND RIGHT OKAY SO WHEN YOU'VE WHEN YOU'VE PRESSED WE'RE FINISHED IT PINGS BACK AT YOU OKAY IT'S JUST THAT ALL KINDS OF CRAZY THINGS HAPPEN WHEN YOU'RE RUNNING THINGS