{"action":"created","issue":{"url":"https://api.github.com/repos/w3c/ttml2/issues/195","repository_url":"https://api.github.com/repos/w3c/ttml2","labels_url":"https://api.github.com/repos/w3c/ttml2/issues/195/labels{/name}","comments_url":"https://api.github.com/repos/w3c/ttml2/issues/195/comments","events_url":"https://api.github.com/repos/w3c/ttml2/issues/195/events","html_url":"https://github.com/w3c/ttml2/issues/195","id":181415855,"number":195,"title":"Add support for Audio Description requirements","user":{"login":"nigelmegitt","id":4988915,"avatar_url":"https://avatars3.githubusercontent.com/u/4988915?v=3","gravatar_id":"","url":"https://api.github.com/users/nigelmegitt","html_url":"https://github.com/nigelmegitt","followers_url":"https://api.github.com/users/nigelmegitt/followers","following_url":"https://api.github.com/users/nigelmegitt/following{/other_user}","gists_url":"https://api.github.com/users/nigelmegitt/gists{/gist_id}","starred_url":"https://api.github.com/users/nigelmegitt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nigelmegitt/subscriptions","organizations_url":"https://api.github.com/users/nigelmegitt/orgs","repos_url":"https://api.github.com/users/nigelmegitt/repos","events_url":"https://api.github.com/users/nigelmegitt/events{/privacy}","received_events_url":"https://api.github.com/users/nigelmegitt/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/w3c/ttml2/milestones/2","html_url":"https://github.com/w3c/ttml2/milestone/2","labels_url":"https://api.github.com/repos/w3c/ttml2/milestones/2/labels","id":2250296,"number":2,"title":"TTML2WR","description":null,"creator":{"login":"nigelmegitt","id":4988915,"avatar_url":"https://avatars3.githubusercontent.com/u/4988915?v=3","gravatar_id":"","url":"https://api.github.com/users/nigelmegitt","html_url":"https://github.com/nigelmegitt","followers_url":"https://api.github.com/users/nigelmegitt/followers","following_url":"https://api.github.com/users/nigelmegitt/following{/other_user}","gists_url":"https://api.github.com/users/nigelmegitt/gists{/gist_id}","starred_url":"https://api.github.com/users/nigelmegitt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nigelmegitt/subscriptions","organizations_url":"https://api.github.com/users/nigelmegitt/orgs","repos_url":"https://api.github.com/users/nigelmegitt/repos","events_url":"https://api.github.com/users/nigelmegitt/events{/privacy}","received_events_url":"https://api.github.com/users/nigelmegitt/received_events","type":"User","site_admin":false},"open_issues":61,"closed_issues":2,"state":"open","created_at":"2017-01-13T16:51:15Z","updated_at":"2017-03-01T17:54:01Z","due_on":null,"closed_at":null},"comments":7,"created_at":"2016-10-06T13:32:49Z","updated_at":"2017-03-01T20:00:44Z","closed_at":null,"body":"Add support for Audio Description. See also the [AD Requirements wiki page.](https://github.com/w3c/ttml2/wiki/Audio-Description-Requirements)\n- [ ] Define an audio processing framework, to allow audio level and pan to be modified, and additional audio resources to be mixed in, according to the TTML content element hierarchy.\n- [ ] Define a gain style attribute\n- [ ] Define a pan style attribute\n- [ ] Check that the appropriate continuous animation interpolation calculation algorithms for audio are present. (may need addition of exponential interpolation calculation mode)\n- [ ] Define an attribute that controls the playback \"in-time\" within a remote referenced audio, to support requirement ADR6 \n- [ ] Define feature designators\n- [ ] Update schema to include new attributes\n- [ ] Check and if necessary update TTML requirements document\n"},"comment":{"url":"https://api.github.com/repos/w3c/ttml2/issues/comments/283452556","html_url":"https://github.com/w3c/ttml2/issues/195#issuecomment-283452556","issue_url":"https://api.github.com/repos/w3c/ttml2/issues/195","id":283452556,"user":{"login":"nigelmegitt","id":4988915,"avatar_url":"https://avatars3.githubusercontent.com/u/4988915?v=3","gravatar_id":"","url":"https://api.github.com/users/nigelmegitt","html_url":"https://github.com/nigelmegitt","followers_url":"https://api.github.com/users/nigelmegitt/followers","following_url":"https://api.github.com/users/nigelmegitt/following{/other_user}","gists_url":"https://api.github.com/users/nigelmegitt/gists{/gist_id}","starred_url":"https://api.github.com/users/nigelmegitt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nigelmegitt/subscriptions","organizations_url":"https://api.github.com/users/nigelmegitt/orgs","repos_url":"https://api.github.com/users/nigelmegitt/repos","events_url":"https://api.github.com/users/nigelmegitt/events{/privacy}","received_events_url":"https://api.github.com/users/nigelmegitt/received_events","type":"User","site_admin":false},"created_at":"2017-03-01T20:00:44Z","updated_at":"2017-03-01T20:00:44Z","body":"Thanks for the update @skynavga much appreciated. I had wondered about integrating SSML but thought the easier thing might just be to be open about mixing in other XML vocabularies. I'm not familiar enough with SSML specifically to know if it needs both elements and attributes, but this could be related to the recent conversation we have been having about foreign namespace element inclusion in elements other than `metadata`.\r\n\r\nSomeone mentioned a new requirement to me this morning at CSUN, which is to have a description audio clip run longer than its allotted time in the main media and cause the main media to pause as a result. I am not sure if we need to support that at this stage though so would recommend omitting it for the time being."}}
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