# Make a sine for testing purposes # Store as interleaved stereo import numpy as np t = np.linspace(0, 10.0, num=int(10.0*44100), endpoint=False) wave = np.sin(1000*2*np.pi*t) wave= np.reshape(wave,(-1,1)) wave = np.concatenate((wave, wave), axis=1) wave64 = wave.astype('float64') wave32 = wave.astype('float32') #print(wave64) wave64.tofile("sine_44.1_1000_f64_2ch_10.0s.raw") wave32.tofile("sine_44.1_1000_f32_2ch_10.0s.raw")