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AmirLavasani
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Describe your change:

Added MFCC Audio Signal Feature Extraction Algorithm.

Fixes #9026

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
  • If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

@AmirLavasani AmirLavasani changed the title Add MFCC feature extraction #9026 Add MFCC feature extraction Sep 12, 2023
@AmirLavasani AmirLavasani changed the title Add MFCC feature extraction Add MFCC Feature Extraction Algorithm Sep 12, 2023
@algorithms-keeper algorithms-keeper bot added the tests are failing Do not merge until tests pass label Sep 12, 2023
@rohan472000
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Raised PR #9058.

Co-authored-by: Christian Clauss <[email protected]>
@algorithms-keeper algorithms-keeper bot added require tests Tests [doctest/unittest/pytest] are required require type hints https://docs.python.org/3/library/typing.html labels Sep 17, 2023
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@algorithms-keeper algorithms-keeper bot added the awaiting reviews This PR is ready to be reviewed label Sep 17, 2023
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@rohan472000 rohan472000 mentioned this pull request Sep 23, 2023
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@cclauss kindly open this PR as due to my mistake I mentioned it in FIX_ISSUES of #9078

@cclauss cclauss reopened this Sep 23, 2023
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@cclauss kindly review it.

@algorithms-keeper algorithms-keeper bot added awaiting changes A maintainer has requested changes to this PR and removed awaiting reviews This PR is ready to be reviewed labels Sep 24, 2023
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return filters


def get_filter_points(

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Please provide return type hint for the function: get_filter_points. If the function does not return a value, please provide the type hint as: def function() -> None:

@algorithms-keeper algorithms-keeper bot added awaiting reviews This PR is ready to be reviewed and removed awaiting changes A maintainer has requested changes to this PR tests are failing Do not merge until tests pass labels Sep 24, 2023
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@algorithms-keeper algorithms-keeper bot removed the require type hints https://docs.python.org/3/library/typing.html label Sep 24, 2023
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return basis


def example(wav_file_path: str = "./path-to-file/sample.wav") -> np.ndarray:

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As there is no test file in this pull request nor any test function or class in the file machine_learning/mfcc.py, please provide doctest for the function example

@cclauss cclauss enabled auto-merge (squash) September 24, 2023 21:05
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Let's do this!! Thanks for your contribution.

@cclauss cclauss merged commit 211247e into TheAlgorithms:master Sep 24, 2023
@algorithms-keeper algorithms-keeper bot removed the awaiting reviews This PR is ready to be reviewed label Sep 24, 2023
@AmirLavasani
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Let's do this!! Thanks for your contribution.

I really appreciate your valuable code reviews, @cclauss. It's been a pleasure collaborating with you.

sedatguzelsemme pushed a commit to sedatguzelsemme/Python that referenced this pull request Sep 15, 2024
* Add MFCC feature extraction to machine learning

* Add standalone usage in comments

* Apply suggestions from code review

Co-authored-by: Christian Clauss <[email protected]>

* Delete empty junk file (TheAlgorithms#9062)

* updating DIRECTORY.md

* updating DIRECTORY.md

* Delete empty junk file

* updating DIRECTORY.md

* Fix ruff errors

* Fix more ruff errors

---------

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

* [main] Fix typo due to auto review change

* Add doctests for all functions

* Add MFCC feature extraction to machine learning

* Add standalone usage in comments

* Apply suggestions from code review

Co-authored-by: Christian Clauss <[email protected]>

* [main] Fix typo due to auto review change

* Add doctests for all functions

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fix some pre-commit issues

* Update review issues
* Remove types from docstring
* Rename dct
* Add mfcc docstring
* Add typing to several functions

* Apply suggestions from code review

* Update mfcc.py

* get_filter_points() -> tuple[np.ndarray, np.ndarray]:

* algorithm

---------

Co-authored-by: Christian Clauss <[email protected]>
Co-authored-by: Tianyi Zheng <[email protected]>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
@isidroas isidroas mentioned this pull request Jan 25, 2025
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Adding MFCC Audio Signal Feature Extraction Algorithm
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