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[{
    "key": "ctrl+e",
    "command": "cursorEnd",
    "when": "editorTextFocus"
}, ]

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#!/usr/bin/env python
import wave
import struct
import numpy as np
from pylab import *

def createSinWave (A, f0, fs, length):
    """振幅A,基本周波数f0, サンプリング周波数fs,長さlength秒の正弦波を作成して返す"""
    
    data = []

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#!/usr/bin/env python
import wave
import sys
import scipy as sp
import matplotlib.pyplot as plt
import math

chunk= 81920

if len(sys.argv) < 2: