{"id":17864720,"url":"https://github.com/k2kobayashi/shifter","last_synced_at":"2025-07-28T19:32:30.950Z","repository":{"id":63189079,"uuid":"89553817","full_name":"k2kobayashi/Shifter","owner":"k2kobayashi","description":"Pitch shifter using WSOLA and resampling implemented by Python3","archived":false,"fork":false,"pushed_at":"2017-07-19T15:18:55.000Z","size":678,"stargazers_count":38,"open_issues_count":3,"forks_count":8,"subscribers_count":1,"default_branch":"master","last_synced_at":"2024-12-02T14:49:35.643Z","etag":null,"topics":["signal-processing","speech","speech-processing","voice-control","voice-conversion"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/k2kobayashi.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2017-04-27T03:56:56.000Z","updated_at":"2024-11-29T12:40:42.000Z","dependencies_parsed_at":"2022-11-14T15:15:29.857Z","dependency_job_id":null,"html_url":"https://github.com/k2kobayashi/Shifter","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/k2kobayashi%2FShifter","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/k2kobayashi%2FShifter/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/k2kobayashi%2FShifter/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/k2kobayashi%2FShifter/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/k2kobayashi","download_url":"https://codeload.github.com/k2kobayashi/Shifter/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":227951740,"owners_count":17846343,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["signal-processing","speech","speech-processing","voice-control","voice-conversion"],"created_at":"2024-10-28T09:15:12.302Z","updated_at":"2024-12-03T15:56:52.258Z","avatar_url":"https://github.com/k2kobayashi.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"NAME\n----\n\nShifter - a command line tool for F0 transformation of a waveform based on WSOLA and resampling\n\nDESCRIPTION\n-----------\n\nShifter is a command line tool to transform F0 without using a vocoding framework.\nThe F0 transformation is implemented with WSOLA (Waveform Similarity-based Over-Lap Add) [1] and resampling.\n\n-  [1] W. Verhelst and M. Roelands, “An overlap-add technique based on waveform similarity (WSOLA) for\n  high quality time-scale modification of speech,” Proc. ICASSP, pp. 554–557 vol.2, Apr. 1993.\n\nUSAGE\n-----\n\nWhen the F0 transformation rate set to 2.0, please run a following command\n\n    shifter -f0rate 2.0 in.wav out.wav\n\nINSTALLATION\n------------\n\n### REQUIREMENTS\n\n- Linux or MAC\n  - Python v2.7.12\n      - numpy\n      - scipy\n\n\n### MANUAL\n\nGrab a copy of Shifter:\n\n    git clone git://github.com/k2kobayashi/shifter.git\n\nInstall as a command line tool\n\n    python setup.py install\n\nKNOWN ISSUES\n------------\n\n- Reduce computational cost\n- Describe descriptions in each class and function\n\n\nREPORTING BUGS\n--------------\n\nFor any questions or issues please visit:\n\n    https://github.com/k2kobayashi/shifter/issues\n\nAUTHORS\n-------\n\nShifter was originally written by Kazuhiro KOBAYASHI.\n\nCOPYRIGHT\n---------\n\nCopyright © 2017 Kazuhiro KOBAYASHI\n\nReleased under the MIT license\n\nhttps://opensource.org/licenses/mit-license.php\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fk2kobayashi%2Fshifter","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fk2kobayashi%2Fshifter","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fk2kobayashi%2Fshifter/lists"}