{"action":"opened","issue":{"url":"https://api.github.com/repos/zsiciarz/aquila/issues/45","labels_url":"https://api.github.com/repos/zsiciarz/aquila/issues/45/labels{/name}","comments_url":"https://api.github.com/repos/zsiciarz/aquila/issues/45/comments","events_url":"https://api.github.com/repos/zsiciarz/aquila/issues/45/events","html_url":"https://github.com/zsiciarz/aquila/issues/45","id":64184848,"number":45,"title":"Extract MFCC for a single word","user":{"login":"cellmigrate","id":6167980,"avatar_url":"https://avatars.githubusercontent.com/u/6167980?v=3","gravatar_id":"","url":"https://api.github.com/users/cellmigrate","html_url":"https://github.com/cellmigrate","followers_url":"https://api.github.com/users/cellmigrate/followers","following_url":"https://api.github.com/users/cellmigrate/following{/other_user}","gists_url":"https://api.github.com/users/cellmigrate/gists{/gist_id}","starred_url":"https://api.github.com/users/cellmigrate/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cellmigrate/subscriptions","organizations_url":"https://api.github.com/users/cellmigrate/orgs","repos_url":"https://api.github.com/users/cellmigrate/repos","events_url":"https://api.github.com/users/cellmigrate/events{/privacy}","received_events_url":"https://api.github.com/users/cellmigrate/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-03-25T05:58:44Z","updated_at":"2015-03-25T05:58:44Z","closed_at":null,"body":"The code is pretty straightforward but I get all zero values for the MFCC feature. \r\n\r\n```\r\nAquila::WaveFile wav(\"apple.wav\");\r\nAquila::Mfcc mfcc(64);\r\nauto Values = mfcc.calculate(wav); // all zero\t\t    \r\n```\r\nThe file is uploaded to https://drive.google.com/file/d/0B_DaKivLs_-iOXAzZlJSeWpfajg/view?usp=sharing\r\n\r\nThis audio clip is pretty short but I do test this code block to a longer audio sequences - the MFCC value looks reasonable. Would you give a kind look?\r\n\r\nThanks,\r\nJohn\r\n\r\n\r\n\r\n"}}