diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml deleted file mode 100644 index 7bdad56..0000000 --- a/.github/workflows/docs.yaml +++ /dev/null @@ -1,37 +0,0 @@ -name: Update Docs - -on: - workflow_dispatch: - -jobs: - publish: - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@v2 - with: - submodules: recursive - - name: Set up Python - uses: actions/setup-python@v1 - with: - python-version: '3.x' - - name : Print GitHub context - env: - GITHUB_CONTEXT: ${{ toJson(github) }} - run: echo "$GITHUB_CONTEXT" - - name: Install dependencies - run: | - python -m pip install --upgrade pip - pip install mkdocs - - name: Build docs - run: | - mkdocs build - mv site ../site - git fetch --all - git checkout gh-pages -f - cp -r ../site/* . - - name: Deploy Docs - uses: EndBug/add-and-commit@v7 - with: - message: 'Updated documentation' - add: "." - branch: gh-pages diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml deleted file mode 100644 index f8881ab..0000000 --- a/.github/workflows/publish.yaml +++ /dev/null @@ -1,46 +0,0 @@ -name: Publish to PyPI - -on: - release: - types: [created] - -jobs: - publish: - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@v2 - with: - submodules: recursive - - name: Set up Python - uses: actions/setup-python@v1 - with: - python-version: '3.x' - - name : Print GitHub context - env: - GITHUB_CONTEXT: ${{ toJson(github) }} - run: echo "$GITHUB_CONTEXT" - - name: Install dependencies - run: | - python -m pip install --upgrade pip - pip install setuptools wheel twine mkdocs - - name: Build and publish - env: - TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }} - TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }} - run: | - echo Running in $PWD - python setup.py sdist bdist_wheel - twine upload dist/* - - name: Build docs - run: | - mkdocs build - mv site ../site - git fetch --all - git checkout gh-pages -f - cp -r ../site/* . - - name: Deploy Docs - uses: EndBug/add-and-commit@v7 - with: - message: 'Updated documentation' - add: "." - branch: gh-pages diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml deleted file mode 100644 index 0cac4b3..0000000 --- a/.github/workflows/test.yaml +++ /dev/null @@ -1,27 +0,0 @@ -name: Run tests - -on: [push] - -jobs: - tests: - - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@v2 - - name: Set up Python - uses: actions/setup-python@v1 - with: - python-version: '3.x' - - name: Install dependencies - run: | - python -m pip install --upgrade pip - pip install -r requirements.txt - pip install pytest numpy scipy - - name: Test with pytest - run: | - ls -a - pytest example.py - - uses: actions/upload-artifact@v4 - with: - name: WAV Files - path: ./wavs \ No newline at end of file diff --git a/.gitignore b/.gitignore deleted file mode 100644 index 8909c42..0000000 --- a/.gitignore +++ /dev/null @@ -1,7 +0,0 @@ -__pycache__ -.vscode -shifted*.wav -*.egg-info -build -dist -.venv diff --git a/.nojekyll b/.nojekyll new file mode 100644 index 0000000..e69de29 diff --git a/404.html b/404.html new file mode 100755 index 0000000..ea2bcf7 --- /dev/null +++ b/404.html @@ -0,0 +1,110 @@ + + + + + + + + Torch Pitch Shift Docs + + + + + + + + + + + + +
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+ + + + + + + + + diff --git a/LICENSE b/LICENSE deleted file mode 100644 index 4dd916d..0000000 --- a/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2021 Kento Nishi - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/MANIFEST.in b/MANIFEST.in deleted file mode 100644 index 74894d3..0000000 --- a/MANIFEST.in +++ /dev/null @@ -1,2 +0,0 @@ -include readme.md -include requirements.txt diff --git a/torch_pitch_shift/__init__.py b/build/lib/torch_pitch_shift/__init__.py similarity index 100% rename from torch_pitch_shift/__init__.py rename to build/lib/torch_pitch_shift/__init__.py diff --git a/torch_pitch_shift/main.py b/build/lib/torch_pitch_shift/main.py similarity index 63% rename from torch_pitch_shift/main.py rename to build/lib/torch_pitch_shift/main.py index 96cc48f..c20eebd 100644 --- a/torch_pitch_shift/main.py +++ b/build/lib/torch_pitch_shift/main.py @@ -2,16 +2,14 @@ from fractions import Fraction from functools import reduce from itertools import chain, count, islice, repeat -from math import log2 -from typing import Callable, List, Optional, Union - +from typing import Union, Callable +from torch.nn.functional import pad import torch -import torchaudio import torchaudio.transforms as T -from packaging import version from primePy import primes -from torch.nn.functional import pad +import warnings +warnings.simplefilter("ignore") # https://stackoverflow.com/a/46623112/9325832 def _combinations_without_repetition(r, iterable=None, values=None, counts=None): @@ -36,9 +34,8 @@ def _combinations_without_repetition(r, iterable=None, values=None, counts=None) def get_fast_shifts( - sample_rate: int, - condition: Optional[Callable] = lambda x: x >= 0.5 and x <= 2 and x != 1, -) -> List[Fraction]: + sample_rate: int, condition: Callable = lambda x: x >= 0.5 and x <= 2 and x != 1 +): """ Search for pitch-shift targets that can be computed quickly for a given sample rate. @@ -49,11 +46,6 @@ def get_fast_shifts( condition: Callable [optional] A function to validate fast shift ratios. Default is `lambda x: x >= 0.5 and x <= 2 and x != 1` (between -1 and +1 octaves). - - Returns - ------- - output: List[Fraction] - A list of fast pitch-shift target ratios """ fast_shifts = set() factors = primes.factors(sample_rate) @@ -73,48 +65,12 @@ def get_fast_shifts( return list(fast_shifts) -def semitones_to_ratio(semitones: float) -> Fraction: - """ - Convert semitonal shifts into ratios. - - Parameters - ---------- - semitones: float - The number of semitones for a desired shift. - - Returns - ------- - output: Fraction - A Fraction indicating a pitch shift ratio - """ - return Fraction(2.0 ** (semitones / 12.0)) - - -def ratio_to_semitones(ratio: Fraction) -> float: - """ - Convert rational shifts to semitones. - - Parameters - ---------- - ratio: Fraction - The ratio for a desired shift. - - Returns - ------- - output: float - The magnitude of a pitch shift in semitones - """ - return float(12.0 * log2(ratio)) - - def pitch_shift( input: torch.Tensor, shift: Union[float, Fraction], sample_rate: int, - bins_per_octave: Optional[int] = 12, - n_fft: Optional[int] = 0, - hop_length: Optional[int] = 0, - window: Optional[torch.Tensor] = None, + n_fft: int = 256, + bins_per_octave: int = 12, ) -> torch.Tensor: """ Shift the pitch of a batch of waveforms by a given amount. @@ -128,44 +84,29 @@ def pitch_shift( `Fraction`: A `fractions.Fraction` object indicating the shift ratio. Usually an element in `get_fast_shifts()`. sample_rate: int The sample rate of the input audio clips. + n_fft: int [optional] + Size of FFT. Default 256. Smaller is faster. bins_per_octave: int [optional] Number of bins per octave. Default is 12. - n_fft: int [optional] - Size of FFT. Default is `sample_rate // 64`. - hop_length: int [optional] - Size of hop length. Default is `n_fft // 32`. - window: torch.Tensor [optional] - A window tensor for the STFT. Default is a tensor of ones. Returns ------- output: torch.Tensor [shape=(batch_size, channels, samples)] The pitch-shifted batch of audio clips """ - - if not n_fft: - n_fft = sample_rate // 64 - if not hop_length: - hop_length = n_fft // 32 - if window is None: - window = torch.ones(n_fft) - window = window.to(input.device) batch_size, channels, samples = input.shape if not isinstance(shift, Fraction): shift = 2.0 ** (float(shift) / bins_per_octave) resampler = T.Resample(sample_rate, int(sample_rate / shift)).to(input.device) output = input output = output.reshape(batch_size * channels, samples) - v011 = version.parse(torchaudio.__version__) >= version.parse("0.11.0") - output = torch.stft(output, n_fft, hop_length, return_complex=v011, window=window)[ - None, ... - ] - stretcher = T.TimeStretch( - fixed_rate=float(1 / shift), n_freq=output.shape[2], hop_length=hop_length - ).to(input.device) - output = stretcher(output) - output = torch.istft(output[0], n_fft, hop_length, window=window) output = resampler(output) + output = torch.stft(output, n_fft)[None, ...] + stretcher = T.TimeStretch(fixed_rate=float(1 / shift), n_freq=output.shape[2]).to( + input.device + ) + output = stretcher(output) + output = torch.istft(output[0], n_fft) del resampler, stretcher if output.shape[1] >= input.shape[2]: output = output[:, : (input.shape[2])] diff --git a/css/fonts/Roboto-Slab-Bold.woff b/css/fonts/Roboto-Slab-Bold.woff new file mode 100644 index 0000000..6cb6000 Binary files /dev/null and b/css/fonts/Roboto-Slab-Bold.woff differ diff --git a/css/fonts/Roboto-Slab-Bold.woff2 b/css/fonts/Roboto-Slab-Bold.woff2 new file mode 100644 index 0000000..7059e23 Binary files /dev/null and b/css/fonts/Roboto-Slab-Bold.woff2 differ diff --git a/css/fonts/Roboto-Slab-Regular.woff b/css/fonts/Roboto-Slab-Regular.woff new file mode 100644 index 0000000..f815f63 Binary files /dev/null and b/css/fonts/Roboto-Slab-Regular.woff differ diff --git a/css/fonts/Roboto-Slab-Regular.woff2 b/css/fonts/Roboto-Slab-Regular.woff2 new file mode 100644 index 0000000..f2c76e5 Binary files /dev/null and b/css/fonts/Roboto-Slab-Regular.woff2 differ diff --git a/css/fonts/fontawesome-webfont.eot b/css/fonts/fontawesome-webfont.eot new file mode 100644 index 0000000..e9f60ca Binary files /dev/null and b/css/fonts/fontawesome-webfont.eot differ diff --git a/css/fonts/fontawesome-webfont.svg b/css/fonts/fontawesome-webfont.svg new file mode 100644 index 0000000..855c845 --- /dev/null +++ b/css/fonts/fontawesome-webfont.svg @@ -0,0 +1,2671 @@ + + + + +Created by FontForge 20120731 at Mon Oct 24 17:37:40 2016 + By ,,, +Copyright Dave Gandy 2016. 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GitHub](https://github.com/KentoNishi/torch-pitch-shift) - -## What is `torch-pitch-shift`? - -*Pitch-shift audio clips quickly with PyTorch (CUDA supported)! Additional utilities for searching efficient transformations are included.* - -This package includes two main features: - -* Pitch-shift audio clips quickly using PyTorch (with CUDA support) -* Calculate efficient pitch-shift targets (useful for augmentation, where speed is more important than precise pitch-shifts) diff --git a/docs/usage.md b/docs/usage.md deleted file mode 100644 index df76d87..0000000 --- a/docs/usage.md +++ /dev/null @@ -1,284 +0,0 @@ -# Usage - -## Installation -You can install `torch-pitch-shift` from [PyPI](https://pypi.org/project/torch-pitch-shift/). - -```bash -pip install torch-pitch-shift -``` - -To upgrade an existing installation of `torch-pitch-shift`, use the following command: - -```bash -pip install --upgrade --no-cache-dir torch-pitch-shift -``` - -## Importing - -First, import `torch-pitch-shift`. - -```python -# import all functions -from torch_pitch_shift import * - -# ... or import them manually -from torch_pitch_shift import get_fast_shifts, pitch_shift -``` - -## What's included -`torch-pitch-shift` includes the following: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
TypeNameDescription
Functionpitch_shiftShift the pitch of a batch of waveforms by a given amount.
Functionget_fast_shiftsUtility function for calculating pitch-shifts that can be executed quickly.
Functionsemitones_to_ratioUtility function to convert semitonal shifts into ratios.
Functionratio_to_semitonesUtility function to convert rational shifts to semitones.
- -## Methods - -### `pitch_shift` -Shift the pitch of a batch of waveforms by a given amount. - -#### Arguments - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ArgumentRequiredDefault ValueTypeDescription
inputYes
torch.Tensor [
-    shape=(
-        batch_size,
-        channels,
-        samples
-    )
-]
Input audio clips of shape (batch_size, channels, samples)
shiftYesfloat or FractionInputs of type float indicate the amount to pitch-shift in # of bins (where 1 bin == 1 semitone if bins_per_octave == 12). Inputs of type Fraction indicate a pitch-shift ratio (usually an element in get_fast_shifts()).
sample_rateYesintThe sample rate of the input audio clips.
n_fftNosample_rate // 64intSize of FFT. Default sample_rate // 64. Smaller is faster.
bins_per_octaveNo12intNumber of bins per octave. Default is 12.
- -#### Return value - - - - - - - - - - - - - - -
TypeDescription
torch.Tensor [
-    shape=(
-        batch_size,
-        channels,
-        samples
-    )
-]
The pitch-shifted batch of audio clips
- -### `get_fast_shifts` -Search for pitch-shift targets that can be computed quickly for a given sample rate. - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ArgumentRequiredDefault ValueTypeDescription
sample_rateYesintThe sample rate of an audio clip.
conditionNo -
lambda x: (
-    x >= 0.5 and x <= 2 and x != 1
-)
- 		CallableA function to validate fast shift ratios. Default value limits computed targets to values between -1 and +1 octaves.
- -#### Return value - - - - - - - - - - - - - - -
TypeDescription
List[Fraction]A list of fast pitch-shift target ratios that satisfy the given conditions.
- -### `semitones_to_ratio` -Convert semitonal shifts into ratios. - - - - - - - - - - - - - - - - - - - - -
ArgumentRequiredDefault ValueTypeDescription
semitonesYesfloatThe number of semitones for a desired shift.
- -#### Return value - - - - - - - - - - - - - - -
TypeDescription
FractionA Fraction indicating a pitch shift ratio
- -### `ratio_to_semitones` -Convert rational shifts to semitones. - - - - - - - - - - - - - - - - - - - - -
ArgumentRequiredDefault ValueTypeDescription
ratioYesFractionThe ratio for a desired shift.
- -#### Return value - - - - - - - - - - - - - - -
TypeDescription
floatThe magnitude of a pitch shift in semitones
- -## Example - -See [example.py](https://github.com/KentoNishi/torch-pitch-shift/blob/master/example.py) to see an example of `torch-pitch-shift` in action! diff --git a/example.py b/example.py deleted file mode 100644 index 18812b3..0000000 --- a/example.py +++ /dev/null @@ -1,54 +0,0 @@ -import numpy as np -import torch -from scipy.io import wavfile - -from torch_pitch_shift import * - -# read an audio file -SAMPLE_RATE, sample = wavfile.read("./wavs/test.wav") - -# convert to tensor of shape (batch_size, channels, samples) -dtype = sample.dtype - -sample = torch.tensor( - np.expand_dims( - np.swapaxes(sample, 0, 1), 0 - ), # (samples, channels) --> (channels, samples) - dtype=torch.float32, - device="cuda" if torch.cuda.is_available() else "cpu", -) - - -def test_pitch_shift_12_up(): - # pitch up by 12 semitones - up = pitch_shift(sample, 12, SAMPLE_RATE) - assert up.shape == sample.shape - wavfile.write( - "./wavs/shifted_octave_+1.wav", - SAMPLE_RATE, - np.swapaxes(up.cpu()[0].numpy(), 0, 1).astype(dtype), - ) - - -def test_pitch_shift_12_down(): - # pitch down by 12 semitones - down = pitch_shift(sample, -12, SAMPLE_RATE) - assert down.shape == sample.shape - wavfile.write( - "./wavs/shifted_octave_-1.wav", - SAMPLE_RATE, - np.swapaxes(down.cpu()[0].numpy(), 0, 1).astype(dtype), - ) - - -def test_pitch_shift_to_fast_ratios(): - # get shift ratios that are fast (between +1 and -1 octaves) - for ratio in get_fast_shifts(SAMPLE_RATE): - print("Shifting", ratio) - shifted = pitch_shift(sample, ratio, SAMPLE_RATE) - assert shifted.shape == sample.shape - wavfile.write( - f"./wavs/shifted_ratio_{ratio.numerator}-{ratio.denominator}.wav", - SAMPLE_RATE, - np.swapaxes(shifted.cpu()[0].numpy(), 0, 1).astype(dtype), - ) diff --git a/fonts/Lato/lato-bold.eot b/fonts/Lato/lato-bold.eot new file mode 100755 index 0000000..3361183 Binary files /dev/null and b/fonts/Lato/lato-bold.eot differ diff --git a/fonts/Lato/lato-bold.ttf 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  • About
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Torch Pitch Shift Docs

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Welcome to the torch-pitch-shift documentation!

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View on PyPI / View on GitHub

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What is torch-pitch-shift?

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Pitch-shift audio clips quickly with PyTorch (CUDA supported)! Additional utilities for searching efficient transformations are included.

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This package includes two main features:

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  • Pitch-shift audio clips quickly using PyTorch (with CUDA support)
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  • Calculate efficient pitch-shift targets (useful for augmentation, where speed is more important than precise pitch-shifts)
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