<?xml version="1.0" encoding="utf-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"><channel><title>MagicLen</title><link>https://magiclen.org/tag/audio-visualization/feed</link><description>多元化原創文章，內容包羅萬象，有程式語言、網站應用、軟體介紹、硬體介紹、作業系統、旅行遊記、專題採訪、益智問題、文學創作，以及作者們的知識分享和作品分享。</description><language>zh-TW</language><lastBuildDate>Wed, 8 Apr 2026 17:14:49 +0000</lastBuildDate><sy:updatePeriod>hourly</sy:updatePeriod><sy:updateFrequency>8</sy:updateFrequency><sy:updateBase>1970-01-01T00:00+00:00</sy:updateBase><item><title>使用 MIDI Visualizer 做 MIDI 視覺化</title><link>https://magiclen.org/midi-visualizer</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2022/11/vlcsnap-2022-11-27-10h26m08s449-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2022/11/vlcsnap-2022-11-27-10h26m08s449-220x162.png 1x, https://magiclen.org/wp-content/uploads/2022/11/vlcsnap-2022-11-27-10h26m08s449-440x324.png 2x, https://magiclen.org/wp-content/uploads/2022/11/vlcsnap-2022-11-27-10h26m08s449-660x486.png 3x" alt="">
MIDI Visualizer是一個使用C++程式語言以及OpenGL開發的免費開源工具，可以讀取MIDI檔案或是連接到MIDI裝置並依照時間點產生出對應的鋼琴捲簾(Piano Roll)圖形，除了能即時預覽也能製作成影音檔，支援Ubuntu、Windows、macOS等主流作業系統。MIDI Visualizer還同時具有圖形化介面(GUI)以及命令列介面(CLI)，十分方便。]]></description><category>研究分享</category><category>軟體介紹</category><category>FFmpeg</category><category>Linux</category><category>MIDI</category><category>Windows</category><category>聲音合成</category><category>macOS</category><category>聲音視覺化</category><category>影音</category><guid>https://magiclen.org/midi-visualizer</guid><pubDate>Tue, 6 Dec 2022 12:00:00 +0800</pubDate><dc:creator>Magic Len</dc:creator></item><item><title>用 FFmpeg 做聲音視覺化(Audio Visualization)</title><link>https://magiclen.org/ffmpeg-audio-visualization</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2022/08/vlcsnap-2022-08-02-14h29m06s535-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2022/08/vlcsnap-2022-08-02-14h29m06s535-220x162.png 1x, https://magiclen.org/wp-content/uploads/2022/08/vlcsnap-2022-08-02-14h29m06s535-440x324.png 2x, https://magiclen.org/wp-content/uploads/2022/08/vlcsnap-2022-08-02-14h29m06s535-660x486.png 3x" alt="">
FFmpeg全名是Fast Forward MPEG(Moving Picture Experts Group)，為開源的影音多媒體處理框架，可以進行影音的解碼、編碼、編碼轉換、混合、抽取、串流和濾鏡，無論影音格式是從哪個地方出來的，從過去到現在的影音格式它幾乎都能夠支援。作為專業處理影音的FFmpeg，當然也可以將聲音轉成影像，做出具有藝術視覺效果的音樂。]]></description><category>研究分享</category><category>軟體介紹</category><category>FFmpeg</category><category>聲音視覺化</category><category>影音</category><guid>https://magiclen.org/ffmpeg-audio-visualization</guid><pubDate>Thu, 20 Oct 2022 12:00:00 +0800</pubDate><dc:creator>Magic Len</dc:creator></item></channel></rss>