{"action":"opened","issue":{"url":"https://api.github.com/repos/librosa/librosa/issues/515","repository_url":"https://api.github.com/repos/librosa/librosa","labels_url":"https://api.github.com/repos/librosa/librosa/issues/515/labels{/name}","comments_url":"https://api.github.com/repos/librosa/librosa/issues/515/comments","events_url":"https://api.github.com/repos/librosa/librosa/issues/515/events","html_url":"https://github.com/librosa/librosa/issues/515","id":208476969,"number":515,"title":"CQTs with identical parameters except f_min have different shapes","user":{"login":"rabitt","id":8169843,"avatar_url":"https://avatars.githubusercontent.com/u/8169843?v=3","gravatar_id":"","url":"https://api.github.com/users/rabitt","html_url":"https://github.com/rabitt","followers_url":"https://api.github.com/users/rabitt/followers","following_url":"https://api.github.com/users/rabitt/following{/other_user}","gists_url":"https://api.github.com/users/rabitt/gists{/gist_id}","starred_url":"https://api.github.com/users/rabitt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rabitt/subscriptions","organizations_url":"https://api.github.com/users/rabitt/orgs","repos_url":"https://api.github.com/users/rabitt/repos","events_url":"https://api.github.com/users/rabitt/events{/privacy}","received_events_url":"https://api.github.com/users/rabitt/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-02-17T15:39:50Z","updated_at":"2017-02-17T15:39:50Z","closed_at":null,"body":"I'm using librosa version `0.5.0rc0`.\r\n\r\nIn the following code snippet:\r\n```python\r\ny, sr = librosa.load(audio_fpath, sr=22050)\r\n\r\nfor h in [1, 2, 3, 4, 5, 6]:\r\n    cqt = librosa.cqt(\r\n        y, sr=sr, hop_length=128, fmin=32.7*float(h),\r\n        n_bins=120*5, bins_per_octave=120\r\n    )\r\n    print(cqt.shape)\r\n```\r\nProduces the following output:\r\n```python\r\n(600, 37521)\r\n(600, 37521)\r\n(600, 37520)\r\n(600, 37520)\r\n(600, 37520)\r\n(600, 37520)\r\n```\r\n\r\nI wouldn't expect the minimum frequency to affect the number of time frames. This seems like a bug?\r\n\r\nThe audio file used to produce this output is [here](https://drive.google.com/file/d/0B72xIeDqCfuUa1psdVpvdkNYY2c/view?usp=sharing).\r\n\r\n"}}
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