{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"Rubyで理解する音響信号処理  音をふわっと立ち上げる編 / Audio Signal Processing in Ruby, Part: Soft Attack Envelopes","author_name":"5hun","author_url":"https://speakerdeck.com/5hun","html":"\u003ciframe id=\"talk_frame_1619766\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/ea99cd82b48c41a28f025b868b15c918\" width=\"710\" height=\"532\" style=\"aspect-ratio:710/532; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":532,"ratio":1.3333333333333333}