1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
# -*- coding: utf-8 -*-
"""
Created on Wed Apr 13 00:33:32 2022
@author: dof
"""
import asyncio
from time import time
import numpy as np
import soxr
# generate 150s 2ch data
fs = 44100
ch1 = np.sin(np.linspace(0, fs, 150 * 44100))
ch2 = np.cos(np.linspace(0, fs, 150 * 44100))
data = np.stack([ch1, ch2], axis=-1)
print(data.shape)
def resample():
soxr.resample(data, fs, 24000)
async def th_resample():
await asyncio.to_thread(resample)
async def main():
t = time()
resample()
print(time() - t)
t = time()
await asyncio.gather(th_resample())
print(time() - t)
t = time()
await asyncio.gather(th_resample(), th_resample())
print(time() - t)
t = time()
await asyncio.gather(th_resample(), th_resample(), th_resample())
print(time() - t)
t = time()
await asyncio.gather(th_resample(), th_resample(), th_resample(), th_resample())
print(time() - t)
t = time()
await asyncio.gather(th_resample(), th_resample(), th_resample(), th_resample(), th_resample())
print(time() - t)
asyncio.run(main())
|
