GitLab

Summary:
Add str to normalized parameter to enable frame_length based normalization to align with torch implementation of stft. Addresses issue https://github.com/pytorch/audio/issues/2104

Pull Request resolved: https://github.com/pytorch/audio/pull/2554

Reviewed By: carolineechen, mthrok

Differential Revision: D38247554

Pulled By: skim0514

fbshipit-source-id: c243c7a6b8fda2a1e565cef4600f7c5a06baf602