Heretic Machines 的 TRI-VGA 是一款非常獨特、手工製作的音訊+視訊(Audio-Video)合成器,以實驗性與噪音特色為核心設計。它不是傳統的合成器,而是結合 聲音與 VGA 視訊訊號生成 的極簡裝置,適合喜歡探索聲光互動或實驗電子音樂的創作者。
產品特色
結合聲音與 VGA 視訊輸出:TRI-VGA 由 Arduino 控制,用來生成 VGA 訊號,同時它也產生能被視為聲音的資料輸出,讓聲音與畫面同步互動。
實驗風格與隨機性:它的核心由多種 CMOS 電路(如移位寄存器、頻率分頻器、相位鎖定迴路等)組成,產生噪聲、不可預測和「故障風格」的輸出。
磁性表面操控:裝置本身呈三角形,表面磁性可吸附附帶的小磁鐵,用戶可自由放置磁鐵改變參數,製造不同的模式、回饋與序列變化。
色彩控制與音高:有三個顏色通道(紅、綠、藍),其中 紅與綠是獨立輸出,而 藍控制整體序列器的音高。
互動控制界面:配備每個顏色通道的開/關開關,以及頻率範圍切換;另有三個滑桿控制頻率,以及垂直/水平 sync 與時鐘振盪器控制。
外部音訊輸入與包絡追蹤:內建包絡追蹤器(envelope follower),可接入外部音訊,進一步調變顏色與聲音參數。
觸控式互動:裝置對觸摸敏感,用手觸碰也會影響輸出,鼓勵玩性與探索。
視訊與音訊輸出
VGA 視訊輸出:可連接顯示器或投影機看到由裝置產生的視訊圖像。
雙聲道輸出:紅與綠通道可視為兩個不同聲音輸出源,而色彩與圖像也可映射到聲音參數。
USB Mini 供電與連接:裝置以 USB Mini 電纜供電(通常隨附)。
一組磁鐵,用於表面互動控制(可自由擺放來影響參數)
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