I want to programe a speech EEG task with psychopy.voicekey().
OS (e.g. Win10): Win10
PsychoPy version (e.g. 1.84.x): v2022.02.04
Standard Standalone? (y/n) If not then what?:y
What are you trying to achieve?:
Hi all, I want to record voice, the measure reaction time and psychopy send voice EEG trigger with speech voicekey (i.e., number, picture, word naming) when subject talk first voice.
What did you try to make it work?:
I try to
First, I was able to record subject voice by microphone component and send eeg trigger when microphone can record. But subject talking is not real time (i.e., subject speech RT was 3 s, microphone RT was 3.5 s).
Second, psychopy record microphone onset (i.e., mic.started), no offset time of microphone.
I want to record the measure reaction time. The measure reaction time was defined as the time from the first voice recorded speech segment and the final word recorded speech segment.
What specifically went wrong when you tried that?:
Final, I was able to record voice by microphone with psychopy.voiceket().
But error messenage show:
Traceback (most recent call last):
0.9941 WARNING Monitor specification not found. Creating a temporary one…
File “C:\Users\user\Desktop\speak\speak_lastrun.py”, line 357, in
vpvk = vk.OnsetVoiceKey(
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\voicekey_init_.py”, line 104, in init
raise VoiceKeyException(msg)
psychopy.voicekey.VoiceKeyException: Need a running pyo server: call voicekey.pyo_init()
########## Experiment ended with exit code 1 [pid:8208] ##########
Create a voice-key code:
The inst routine, there is a code:
In Begin experiment tab:
The import and pyo_init should always come early on:
from psychopy import voicekey
voicekey.pyo_init()
import psychopy.voicekey as vk
vk.pyo_init(rate=44100, buffersize=32)
What signaler class to use? Here just the demo signaler:
from psychopy.voicekey.demo_vks import DemoVoiceKeySignal as Signaler
To use a LabJack as a signaling device:
#from voicekey.signal.labjack_vks import LabJackU3VoiceKeySignal as Signaler
The trial_1 routine, there is a code_2:
In Begin routine tab:
Create a voice-key to be used. Change “trials” to reflect name of loop.
vpvk = vk.OnsetVoiceKey(
sec=2,
file_out=‘data/trial_’+str(trials.thisN).zfill(3)+‘_’+‘.wav’)
Start it recording (and detecting). Change targetScreen to reflect name of routine:
vpvk.start() # non-blocking; don’t block when using Builder
vpvk.tStart=targetScreenClock.getTime()
In End routine tab:
The recorded sound is saved upon .stop() by default. But
its a good idea to call .stop() explicitly, eg, if there’s much slippage:
vpvk.stop()
Add the detected time into the PsychoPy data file:
#vocal RT
thisexp.addData(‘vocal_RT’, round(vpvk.event_onset, 3))
#not sure what this is for
thisexp.addData(‘bad_baseline’, vpvk.bad_baseline)
#name of .wav file that will be outputted (sound recording)
thisexp.addData(‘filename’, vpvk.filename)
#time when the recording began
thisexp.addData(‘recordOnset’, vpvk.tStart)
