Audacity: フリーのオーディオエディタ・レコーダーAudacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousan
iTunesに入っている好きな曲をiPhoneの着信音にするいちばん簡単な方法 - 週刊アスキー
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