kaldi-python-io

Kaldi Python IO

A python (3.6+) wrapper for Kaldi's data accessing.

Support Type

Kaldi's binary archives (*.ark)
Kaldi's scripts (alignments & features, *.scp)
Kaldi nnet3 data examples in binary (*.egs)

Install

python setup.py install or pip install kaldi-python-io

Usage

ArchiveReader && AlignArchiveReader

# allow only sequential index
ark_reader = ArchiveReader("copy-feats ark:foo.ark ark:- |")
for key, _ in ark_reader:
    print(key)
ali_reader = AlignArchiveReader("gunzip -c foo.ali.gz |")
for key, _ in ark_reader:
    print(key)

Nnet3EgsReader

# allow only sequential index
egs_reader = Nnet3EgsReader("foo.egs")
for key, _ in egs_reader:
    print(key)

ArchiveWriter

with ArchiveWriter("foo.ark", "foo.scp") as writer:
    for i in range(10):
        mat = np.random.rand(100, 20)
        writer.write(f"mat-{i}", mat)

ScriptReader && AlignScriptReader

# allow sequential/random index
scp_reader = ScriptReader("shuf foo.scp | head -n 2")
for key, mat in scp_reader:
    print(f"{key}: {mat.shape}")
ali_reader = AlignScriptReader("foo.ali.scp")
for key, ali in ali_reader:
    print(f"{key}: {ali.shape}")

Release files for kaldi-python-io 1.2.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for kaldi-python-io 1.2.2
File	Size	Uploaded
kaldi-python-io-1.2.2.tar.gz	8.8 kB	Mar 18, 2021	Details

Release files / kaldi-python-io-1.2.2.tar.gz

Download URL	kaldi-python-io-1.2.2.tar.gz
Size	8.8 kB
Tags	Source
SHA-256 checksum How to use checksums	`4ebb4029c6c58296cc0abf96edff02832ba341d290ed37624a8d00105f0f7c00`
BLAKE2b-256 checksum How to use checksums	`8045e3e542ffa8970ebd782fcece35e2295de9c60e8c396c2c1a403410d1b24e`
Upload date	Mar 18, 2021
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/3.2.0 pkginfo/1.6.1 requests/2.22.0 setuptools/50.3.0.post20201006 requests-toolbelt/0.9.1 tqdm/4.50.2 CPython/3.8.5`