mirror of
https://github.com/csukuangfj/kaldifeat.git
synced 2025-08-09 01:52:39 +00:00
72aa5eab2b
* Add pickle support to FrameExtractionOptions. * Add pickle support to MelBanksOptions. * Add pickle support. * Update README to mention other projects. * Fix style issues.
68 lines
1.8 KiB
Python
Executable File
68 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
# Copyright 2021 Xiaomi Corporation (authors: Fangjun Kuang)
|
|
|
|
import pickle
|
|
from pathlib import Path
|
|
|
|
import torch
|
|
from utils import get_devices, read_ark_txt, read_wave
|
|
|
|
import kaldifeat
|
|
|
|
cur_dir = Path(__file__).resolve().parent
|
|
|
|
|
|
def test_mfcc_default():
|
|
print("=====test_mfcc_default=====")
|
|
for device in get_devices():
|
|
print("device", device)
|
|
opts = kaldifeat.MfccOptions()
|
|
opts.device = device
|
|
opts.frame_opts.dither = 0
|
|
mfcc = kaldifeat.Mfcc(opts)
|
|
filename = cur_dir / "test_data/test.wav"
|
|
wave = read_wave(filename).to(device)
|
|
|
|
features = mfcc(wave)
|
|
gt = read_ark_txt(cur_dir / "test_data/test-mfcc.txt")
|
|
assert torch.allclose(features.cpu(), gt, atol=1e-1)
|
|
|
|
|
|
def test_mfcc_no_snip_edges():
|
|
print("=====test_mfcc_no_snip_edges=====")
|
|
for device in get_devices():
|
|
print("device", device)
|
|
opts = kaldifeat.MfccOptions()
|
|
opts.device = device
|
|
opts.frame_opts.dither = 0
|
|
opts.frame_opts.snip_edges = False
|
|
|
|
mfcc = kaldifeat.Mfcc(opts)
|
|
filename = cur_dir / "test_data/test.wav"
|
|
wave = read_wave(filename).to(device)
|
|
|
|
features = mfcc(wave)
|
|
gt = read_ark_txt(cur_dir / "test_data/test-mfcc-no-snip-edges.txt")
|
|
assert torch.allclose(features.cpu(), gt, rtol=1e-1)
|
|
|
|
|
|
def test_pickle():
|
|
for device in get_devices():
|
|
opts = kaldifeat.MfccOptions()
|
|
opts.device = device
|
|
opts.frame_opts.dither = 0
|
|
opts.frame_opts.snip_edges = False
|
|
|
|
mfcc = kaldifeat.Mfcc(opts)
|
|
data = pickle.dumps(mfcc)
|
|
mfcc2 = pickle.loads(data)
|
|
|
|
assert str(mfcc.opts) == str(mfcc2.opts)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_mfcc_default()
|
|
test_mfcc_no_snip_edges()
|
|
test_pickle()
|