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剧情提要：正剧开始：
星历2016年05月05日 10:41:23, 银河系厄尔斯星球中华帝国江南行省。
[工程师阿伟]正在和[机器小伟]一起研究[复合波数据]。
这里面稍微有一点规律，但也不是很好描述。
遇到实际数据时找个差不多类型的对照一下。
def waveDataChoose2():
import wavedata;
import wavename;
array = wavename.liter;
size = len(array);
N = 100;
sampledata = [];
for i in range(N):
index = random.randint(0, size-1);
name = array[index];
tmpdata = eval('wavedata.'+name);
if (len(tmpdata) > 0):
if i%2 == 0:
for j in range(6):
sampledata += tmpdata;
for j in range(2):
sampledata += idleWave;
elif i%2 == 1:
for j in range(8):
sampledata += tmpdata;
for j in range(10):
sampledata += idleWave;
#print(len(sampledata));
return sampledata;
#调用入口, 生成wav文件
def tmp(filename):
#filename = ['combineWave_100_70_50', 'combineWave_100_80_50', 'combineWave_100_80_60', 'combineWave_110_70_50', 'combineWave_110_80_50', 'combineWave_110_80_60', 'combineWave_110_90_50', 'combineWave_110_90_60', 'combineWave_110_90_70'];
size = len(filename);
for i in range(size):
if i > 300:
break;
writeWav(i, filename);
#生成声波数据
def tmp2():
print('生成波形开始。>>>');
fout= open('output.txt', 'w');
for i in range(50, 500, 50):
for j in range(550, 1050, 50):
for k in range(1350, 1450, 50):
dataStr = 'combineWave_'+str(i)+'_'+str(j)+'_'+str(k) + ' = [';
fout.write(dataStr);
data = waveDataGen(i, j, k);
size = len(data);
for n in range(size):
fout.write(str(data[n]));
if (n < size-1):
fout.write(', ');
fout.write('];');
fout.write('\r\n');
fout.close();
print('生成波形结束，请到output.txt查收。');
#打印文件名
def tmp3():
filename = [];
for i in range(50, 500, 50):
for j in range(550, 1050, 50):
for k in range(1350, 1450, 50):
dataStr = 'combineWave_'+str(i)+'_'+str(j)+'_'+str(k);
filename.append(dataStr);
print(filename);
#生成声波数据
def tmp2_2():
print('生成波形开始。>>>');
fout= open('output.txt', 'w');
#终点不包括
#这里要和tmp3中的改动对应上
array = [[1000,1400,2400],[1100,1550,2600],[600,1000,2000],[900,1300,3000], [600,1400,2400],[700,1450,3200],[650,2050,2600],[550,2400,3000],[400,2300,3500], [350,2900,3500], [400, 700, 700], [350, 650, 650], [450,2200, 2750], [350, 2300, 2750],[500, 1500, 2600],[500,1500,3100],[450, 1700, 2400], [450, 1900, 2600],[600, 1500, 2000], [750, 1750, 3600], [2000, 6000, 6000], [7000, 7000, 7000], [1600, 6500, 6500], [2000,6500,6500], [5500, 5500, 7000], [5000, 5000,7000], [2100, 3000, 6000], [3800, 3800, 6800], [5400, 5400, 7000], [2000, 3000, 6800], [4500, 4500, 6500], [2000, 5000, 7000], [3000, 4500, 6500], [3000, 3000, 6500]];
for n in range(len(array)):
i, j, k = array[n][0], array[n][1], array[n][2];
dataStr = 'combineWave_'+str(i)+'_'+str(j)+'_'+str(k) + ' = [';
fout.write(dataStr);
data = waveDataGen(i, j, k);
size = len(data);
for m in range(size):
fout.write(str(data[m]));
if (n < size-1):
fout.write(' ,');
fout.write('];');
fout.write('\r\n');
fout.close();
print('生成波形结束，请到output.txt查收。');
#打印文件名
def tmp3_2():
filename = [];
#终点不包括
#这里要和tmp2中的改动对应上
array = [[1000,1400,2400],[1100,1550,2600],[600,1000,2000],[900,1300,3000], [600,1400,2400],[700,1450,3200],[650,2050,2600],[550,2400,3000],[400,2300,3500], [350,2900,3500], [400, 700, 700], [350, 650, 650], [450,2200, 2750], [350, 2300, 2750],[500, 1500, 2600],[500,1500,3100],[450, 1700, 2400], [450, 1900, 2600],[600, 1500, 2000], [750, 1750, 3600], [2000, 6000, 6000], [7000, 7000, 7000], [1600, 6500, 6500], [2000,6500,6500], [5500, 5500, 7000], [5000, 5000,7000], [2100, 3000, 6000], [3800, 3800, 6800], [5400, 5400, 7000], [2000, 3000, 6800], [4500, 4500, 6500], [2000, 5000, 7000], [3000, 4500, 6500], [3000, 3000, 6500]];
for n in range(len(array)):
i, j, k = array[n][0], array[n][1], array[n][2];
dataStr = 'combineWave_'+str(i)+'_'+str(j)+'_'+str(k);
filename.append(dataStr);
print(filename); ###
# @usage 写.wav文件，能把声波数据阵列用二进制写成.wav。
# @author mw
# @date 2016年04月28日 星期四 14:31:34
# @param
# @return
#
###
def writeWav(index = 0 , filename = 'RandWave'):
byteArray = [];
dataArray = [];
#filename = ['combineWave_100_70_50', 'combineWave_100_80_50', 'combineWave_100_80_60', 'combineWave_110_70_50', 'combineWave_110_80_50', 'combineWave_110_80_60', 'combineWave_110_90_50', 'combineWave_110_90_60', 'combineWave_110_90_70'];
#样本数据阵列
sampleArray = waveDataChoose2();
#样本数据点数
N = len(sampleArray);
times = 3;
dataSize = N*times;
fileSize = dataSize+44; #44为格式头部分所用字节数
#RIFF WAVE CHUNK
RIFF_ID = [0x52, 0x49, 0x46, 0x46]; #'RIFF'
RIFF_Size = littleEndian(fileSize-8, 4); #文件总字节数减去8
RIFF_Type = [0x57, 0x41,0x56, 0x45, 0x66, 0x6D, 0x74, 0x20]; #'WAVEfat '
#Format Chunk
Format_10_17 = [0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00];#过滤4+格式2+声道2=8个字节
Format_18_1B = [0x11, 0x2B, 0x00, 0x00]; #采样频率0x2B11 = 11025
Format_1C_1F = [0x22, 0x56, 0x00, 0x00]; #比持率 = 频率*通道*样本位 = 22050
Format_20_23 = [0x02, 0x00, 0x10, 0x00]; #块对齐 = 通道数* 样本位数 = 1*2 = 2
#Fact Chunk(optional)
#Data Chunk
Data_24_27 = [0x64, 0x61, 0x74, 0x61]; #'DATA'标记
Data_Size = littleEndian(fileSize-44, 4); #下面的Data部分的字节数，文件总字节数-44
#RIFF WAVE CHUNK
'''
for i in range(4):
byte = struct.pack('B', RIFF_ID[i]);
byteArray.append(byte);
'''
RIFF = [b'R', b'I', b'F', b'F'];
for i in range(4):
byteArray.append(RIFF[i]);
for i in range(4):
byte = struct.pack('B', RIFF_Size[i]);
byteArray.append(byte);
'''
for i in range(8):
byte = struct.pack('B', RIFF_Type[i]);
byteArray.append(byte);
#Format Chunk
for i in range(8):
byte = struct.pack('B', Format_10_17[i]);
byteArray.append(byte);
for i in range(4):
byte = struct.pack('B', Format_18_1B[i]);
byteArray.append(byte);
for i in range(4):
byte = struct.pack('B', Format_1C_1F[i]);
byteArray.append(byte);
for i in range(4):
byte = struct.pack('B', Format_20_23[i]);
byteArray.append(byte);
#Data Chunk
for i in range(4):
byte = struct.pack('B', Data_24_27[i]);
byteArray.append(byte);
'''
#Format_28_2B是数据块大小，formatHead是它前面的所有部分
formatHead = [b'W', b'A', b'V', b'E', b'f', b'm', b't', b' ', b'\x10', b'\x00', b'\x00', b'\x00', b'\x01', b'\x00', b'\x01', b'\x00', b'\x11', b'+', b'\x00', b'\x00', b'"', b'V', b'\x00', b'\x00', b'\x02', b'\x00', b'\x10', b'\x00', b'd', b'a', b't', b'a'];
for i in range(len(formatHead)):
byteArray.append(formatHead[i]);
for i in range(4):
byte = struct.pack('B', Data_Size[i]);
byteArray.append(byte);
#写出到文件
print('文件写入开始。>>>');
fout= open(filename+'_'+str(index)+'.wav', 'wb');
size = len(byteArray);
for i in range(size):
fout.write(byteArray[i]);
size = len(sampleArray);
sizeIdle = len(idleWave);
for j in range(times):
for i in range(size):
fout.write(sampleArray[i]);
fout.close();
print('文件写入完毕。');
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原文地址：http://blog.csdn.net/mwsister/article/details/51320892
