User Manual for Production
Contents
1. experiment see fig 3 for circuit diagram Signal level in an 1 Calibrate Set Calibration Level Test Freq 1000 Bit Resolution 24 Ref dB Level 110 Test Calibration Attenuation Mode Peak C RMS Target dB 80 Play Wave File Wave File Amplification Type RMS v gt Level 80 Record Miliseconds 1000 gt Figure 2 Simple Calibration DER Browse appropriate coupler or in the sound field should be measured by an independent system e g sound level meter The level measured at the sound level meter should then be entered into the Ref dB Level field followed by Stop All subsequent stimuli presented by the program will be referenced to this level until another calibration is performed The Test Calibration section is used to generate signals in order to verify that the program calculates the output levels correctly To play a pure tone at the frequency specified in the Set Calibration Level section type the desired level in the Target dB field and press the Play Attenuated Tone button The output then can be measured using an oscilloscope sound level meter or voltmeter The Play Wave File section allows the user to play a stored wave file at the specified Target dB Level If no level is specified the wave file will be played at 80 dB SPL The wave file can be selected either by typing in the path to the file or by using the Browse button If the wave file contains a pure2. hintc list16 S2 wav 0 u aryal hintfiles hintc list16 S9 wav 0 u aryal hintfiles hintc list16 S10 wav 1 12
3. to A new folder will be created None Must using provide DestinationFolder SubjectInitials AmplificationType RMS or Peak amplification of input stimuli Peak PresentationLevel Stimuli is presented at Ref db Level PresentationLevel 0 Ref db Level is obtained by SimpleCalibration usually 105 TimeToRecord Duration in milliseconds Response is recorded for this 0 long NoiseFile Full path of file to be used as noise Must provide if noise is needed NoiseLevel Noise is presented at Ref db Level NoiseLevel Ref db 0 Level is obtained by SimpleCalibration usually 105 NoiseOffset Time in milliseconds Noise is added after NoiseOffset 0 milliseconds into stimuli If this value is negative noise starts first followed by stimuli NumOfPresentations Number of times a single stimuli can be presented 1 RandomizeStim Whether or not to present stimuli in random order 0 1 Random 0 not random When set 0 stimuli are always presented in the same order AddStimToResponse Adds Stim to the front of Response Result file will be 0 Stim followed by Response in one wav file 1 true O false ShowGames Whether or not to present pictures along with playing 0 sounds If ShowGames 1 make sure to include feedbackfiles and folder FeedbackDirectory Directory where feedback files are Needed if Showgames 1 FeedbackFile List of pictures files to use from FeedbackDirectory Needed if showgames 1 Rando
4. Boys Town National Research Hospital User Manual for Production September 2010 Contents OVENVIGW 2 TE E TI E A puedes ST vette tae E A E T eae ae oe 3 System REQUITE MENTES cionado Udinese 3 A A eer 4 Production Main Win do Wisin die dad dida 4 Simple Calibre 5 Set Subject Dada riada asea aN aasa anaE KAASNES aasa aaa Sa aasan 6 Select or Edit Definitions Eller dear ias 6 Pl A sesso E es 8 RESUMt Alto A 9 A E a a cease EE ceat esau tance E E easter hte seas es saee cates E tite eee 10 APpendDA lleida ac ed ere ea e e a E enc 12 Overview Production helps researchers to play stimuli and to record responses Stimuli can be played at any desired level Users have an option to mix noise with stimuli and vary signal to noise ratio by changing signal level or noise level Production started off as a stripped down version of BART but has since been customized to have features that are unique to its own Among its unique features is ability to play stimuli at various SNR ability to introduce noise at any time along the stimuli ability to present stimuli at random ability to present feedback at random ability to mark response as correct incorrect at runtime etc Simplicity is at the heart of production The various program options can be managed by a definitions file The definitions file is in text format and can be edited by a simple text editor like notepad System Requirements Windows XP or higher SoundCard DirectX 9 0 or high
5. LA NumOfPresentations How many times to Play Record PILLS SSI ASS SSL SALSAS SS NumoOfPresentations 4 AAAA AAAA AAAA AAAA SSL SS RandomizeStim Whether or not to feed stims in random order 1 Yes 0 NO ASSSSSSSSISSSISSISSSASAASASASSISASSAAASASSSSSISAAAAAAASAS AA ASSSSSSSSASAA AA RandomizeStim 1 PLL AddStimToResponse Appends Stim to the front of Response Result file will be Stim followed by Response 1 Yes O No AddStimToResponse 0 ASASSSSSSISSLSSSISISASAASASASSISASSAAASASASSSASAAASAAAAASAA Eo SSSSSSISISSLISSISSSAAAAAAAS ShowGames 0 off 1 on if games are on be sure to include feedbackfiles and folder 11 RandomizeFeedback Whether or not to present feedback files in random order 1 Yes O No ASASSSSSSISSLISSSSS ALAKAA ALAALA AAAA AAAHHH AAAHHH AS ASSSSSSS SAS ALISSISISASAAAAAS ShowGames 1 RandomizeFeedback 1 feedbackdirectory C Feedback Animals feedbackfile ss_animals_ 32 Appendix II Sample result text file Comments not included in actual result file Prasan Name of subject ref Set Subject Data Group1 Group ref Set Subject Data 001 ld Number ref Set Subject Data 9 30 2010 9 28 AM u aryal hintfiles hintc list16 S5 wav 1 Stimuli file Response Correct 1 Incorrect 0 u aryal hintfiles hintc list16 S9 wav 0 if EnableResponse is not checked response is not u aryal hintfiles hintc list16 S6 wav 0 shown u aryal hintfiles hintc list16 S3 wav 0 u aryal hintfiles
6. er Getting Started It is recommended that you copy latest version of Production to your machine before using it Latest version of Production is available at X Res_Progs Production Make sure you copy all other supporting files in this directory Once you have copied all the files you can launch Production by double clicking on Production exe icon XX Production Main Window Production has a simple to Btnrh HARL Production V1 1 01 18 2010 use interface that allows Calibration Subject Data Definition File you to get it running in 4 E step Ss Total Til i Calibrate Curent Tal an Current Stim v Enable Response Set Subject Data iSelect or edit definitions pee file peto A Left Channel iv Play a 0 Each of these steps is Calibration 110dB Subject def file SoundCard described in detail in Figure 1 Production Main Window following sections Simple Calibration The calibration window can be used for two purposes 1 to measure a calibration tone and 2 to play noise or wave files at designated levels The first option is necessary for any testing where the level of the stimulus must be controlled The second option allows the user to generate stimuli to verify the output of the signal processing features within the program The Set Calibration Level section allows you to play a high level pure tone at a selected frequency via the transducer to be used in the
7. for emergency use only Result Files Result files are stored in location specified by parameter DestinationFolder in definitions file Results for each subject is stored in a subdirectory lt subject name gt where lt subject name gt is the Name parameter specified while entering subject data ref Set Subject Data A new directory is created if one already doesn t exist Inside each subdirectory for a subject there is a text file with the same name as the folder name for this subject Eg if Subject Name is Prasan there will be a file named Prasan txt inside a subdirectory named Prasan This text file lists all the details of tests conducted on this subject A sample of a result file is given in Appendix II Recordings of subject responses are also in this directory Subject response files are named as lt stimuli name gt _ lt subject name gt lt index gt wav where lt stimuli name gt is the file name without extension of the stimuli for which subject gave this response and lt index gt is the number of repetitions made for this stimuli for this subject Eg S9_Prasan2 wav indicates that this response was made for stimuli S9 wav subject name was Prasan and that this stimulus was played twice perhaps NumberOfPresentations was greater than 1 in definitions file or that Repeat button was pressed Appendix Production Definition File SourceFolder Folder that the stimuli you want to
8. mizeFeedback Whether or not to present feedback pictures in random 0 order Play gt If your experiment requires that you mark Subject response as Correct or Incorrect Check Enable response Now Hit Play Production will now play stimuli as per the settings in the definitions file Btnrh HARL Production 1 1 01 18 2010 DER Calibration Subject Data Definition File Total Trials Current Triak 1 2 5 Repeat IV Enable Response Correct Incorrect fae PK 4 7 Left Channel RMS Current Stim 8 wav Status Waiting AT 1000 2000 Time 4000 8000 Calibration 110dB Subject Subject A Def File U Aryal From Judy dld_sent_4 prd SoundCard LynxTWO B Device 1 Figure 6 Production In Use At a glance you can notice the following Total Trials Total number of stimuli to be presented Current Trial This has two parts eg 1 2 The first part shows order of Current trial out of Total Trials The second part denotes how many times this stimulus was repeated Current Stim Name of current stimuli file Status Whether the program is Playing Recording or Waiting for user input Graph Shows a graph for subject response to stimuli If Subject response needs to be graded as Correct or Incorrect check Enable Response Repeat button repeats the current stimuli Stop All is to stop all operations if the system seems to freeze It is
9. play are in DestinationFolder Folder to write results to A new folder will be created using DestinationFolder SubjectInitials For Example if DestinationFolder is R HARL Common ProductionResults and Subject s initials are CMR results will be written to folder R HARL Common ProductionResults CMR ASASASSSSSASSLISSSSS SAA ASASSSISISSAAAAASSSSSSSAAAAAAASAS ASE ASSSSSSSSASALISSSSSSSAASAL AS SourceFolder U Aryal HintFiles hintc List16 DestinationFolder U Aryal Results ASSSSSSSSASSLISSSSSSASAASASSSISISSAAASASSSSSASAAASAAASAS ASE ASSSSSSSSASALISSISSSAAASALAS A AmplificationType RMS or Peak will usually want RMS PresentationLevel dB Level to play stimuli at TimeToRecord Milliseconds to record 10000 10 seconds is recommended WriteBits 24 Bit length to use in writing wave files 24 or 32 ASSSASSSSSISSLISSSSSSASAASASSSISISSAAAAASASSSSSSAAASAAASAS AA ASSSSSSISASSLISSISSSASASALSAS A AmplificationType RMS PresentationLevel 65 TimeToRecord 5000 PILLS ASS SSL SSL SS Noise to be added to stimuli 10 Same Noise signal is mixed with all stim signals noiselevel in DB noiseoffset in ms Noise is played at lt noiselevel gt DB after lt ms gt milliseconds into original stim comment out if no noise is needed ASSSASSSSSASSLISSISISASAAAASASISASSAAAAASASSSSASAAASAAASAA AA AASSSS SISI LSILISSISSSAAAAAAAS A noisefile U Aryal nishi mono24 boy wav noiselevel 55 noiseoffset 100 LALA
10. tone the Peak option should be selected If the wave file contains speech or noise the RMS option should be selected The Record section allows user to record sound for specified milliseconds or until Stop is pressed Figure 3 Calibration Circuit Diagram NOTE The OK button MUST be clicked after entering the calibration level If not the value will not be saved when exiting this screen Set Subject Data ls Subject Data Production result files are stored in folders named after Subjects Name as Name or initials OK filled in Subject Data window This is lt lt thus a required field You may enter ID Number Group and ID number for the subject Figure 4 Subject Details Select or Edit Definitions File amp Various program options are set through definitions file This file is kept in text format and can be edited easily Btnrh HARL Production V1 1 01 18 2010 Calibration Subject Data MERA lA S gt al Edit prd File Total Trials Figure 5 Definition File Selection See Appendix I for a sample definitions file Following table gives overview of different parameters included in the definitions file Parameter Description Default Name Symbol Values Comment If a new line starts with this the line is ignored by the program SourceFolder Folder that the stimuli you want to play are in Must provide DestinationFolder Folder to write results
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