Moshekwa

def spectrogram(samples, sample_rate, stride_ms = 10.0, 
                          window_ms = 20.0, max_freq = None, eps = 1e-14):

    stride_size = int(0.001 * sample_rate * stride_ms)
    window_size = int(0.001 * sample_rate * window_ms)

    # Extract strided windows
    truncate_size = (len(samples) - window_size) % stride_size
    samples = samples[:len(samples) - truncate_size]
    nshape = (window_size, (len(samples) - window_size) // stride_size + 1)