updates to gap length in long concat matrix stim

2019-03-21 13:43:27 +00:00
parent cd1ea7537e
commit b557768569
1 changed files with 3 additions and 2 deletions
@@ -74,14 +74,15 @@ def concatenateStimuli(MatrixDir, OutDir, Length, n):
    parts = []
    questions = []
    i = 0
-    for wav in wavFiles:
+    gapSize = np.uniform(0.8, 1.2, len(wavFiles))
+    for wav, gap in zip(wavFiles, gapSize):
        if i == n:
            break
        wavObj = PySndfile(wav)
        fs = wavObj.samplerate()
        size = wavObj.frames()
        totalSize += size
-        totalSize += int(0.1*fs)
+        totalSize += int(gap*fs)
        if (totalSize/fs) > Length:
            # total size + 2 second silence at start
            y.append(np.zeros((totalSize+2*fs, 3)))