[測試] 音樂轉換

線上音樂轉換器Online Music Converter

在瀏覽器中完成：去除人聲、樂器解析、播放、音樂檔與樂譜輸出。音樂檔不會上傳到任何伺服器。Everything runs in your browser: vocal removal, instrument analysis, playback, audio and sheet-music export. Your audio is never uploaded.

1輸入音樂檔Load a music file

分析模式Analysis mode （預設關閉）上傳同一首歌的含人聲版與伴奏版，兩版本對齊相減，取得精確人聲並更準確解析樂器。(off by default) Upload the vocal and instrumental versions of the same song; they are aligned and subtracted for exact vocals and more accurate instrument analysis.

含人聲版（原曲）Vocal version (full mix)

伴奏版（Instrumental）Instrumental version

點擊選擇或將音樂檔拖曳到此處Click to choose or drop an audio file here

MP3 / WAV / M4A / OGG / FLAC

2去除人聲Remove vocals

去除強度Strength 90%

人聲頻帶Vocal band – Hz

原理：以短時傅立葉轉換比對左右聲道，削減置中且相似的成分（多數歌曲的主唱位置）。單聲道檔案無法以此方式分離。Method: STFT left/right similarity masking removes centre-panned content in the vocal band (where lead vocals usually sit). Mono files cannot be separated this way.

分析模式：人聲 = 含人聲版 − 伴奏版（對齊後精確相減），不需調整上方參數。Analysis mode: vocals = vocal version − instrumental version (aligned, exact subtraction). The settings above are not used.

人聲殘留音樂抑制Music-leak suppression 70% 間隔靜音（無人聲時自動消音）Silence gaps (mute when no vocal)

兩版本若母帶、等化或壓縮不同，相減後會殘留音樂。此處依頻帶與時間自動匹配音量，再扣除殘留並在人聲間隔自動靜音；數值越高越乾淨，但過高可能削弱細微人聲（如氣音、尾音）。If the two versions differ in mastering, EQ or compression, subtraction leaves some music. This matches levels per band over time, suppresses the leak and mutes the gaps between phrases. Higher is cleaner, but too high can thin out soft vocal details (breaths, tails).

3播放Player

00:00.00 / 00:00.00 時間軸範圍Timeline Whole song 60 s 20 s 5 s 1 s 前往Go to

格距Frame step 0.01 s 0.05 s 0.1 s 0.5 s 1 beat 往前 / 往後Skip 1 s 5 s 10 s 30 s 音量Vol

A – B: – 循環（有 A–B 時循環該段）Loop (A–B if set)

跳動符號Bouncing marker 符號Symbol 🐱 🐰 🐥 🐶 ⭐ 💖 🎵 （開啟後，第 6 欄樂譜上會有符號跟著目前播放的音符跳動）(a symbol hops along the score in section 6 with the note being played)

時間軸可點擊或拖曳定位（精確到 0.01 秒），滑鼠滾輪可縮放。格放 / 格退會移動一格並試聽該瞬間。Click or drag the timeline to seek (0.01 s precision); scroll to zoom. Frame fwd / back moves one step and auditions that instant.

4樂器解析Instrument analysis

長度Duration–

速度Tempo–

調性Key–

聲道Channels–

兩版本對齊位移Alignment offset–

伴奏吻合度Instrumental match–

人聲出現比例Vocal presence–

人聲音域Vocal range–

推估聲部Voice type (est.)–

和聲 / 疊唱Backing vocals–

✓ 偵測到Detected ~ 可能 / 相關Possible / related · 未偵測Not detected

以頻譜特徵（頻帶能量、起音、和聲性、立體聲位置）估計，屬啟發式分析，非經訓練的辨識模型；點擊「獨奏」可試聽該樂器所在頻帶。Estimated from spectral features (band energy, onsets, harmonicity, stereo position). This is heuristic analysis, not a trained classifier. Press "Solo" to audition the band where an instrument sits.

5輸出音樂檔Export audio

音軌Track Original Instrumental Vocals Score preview Solo 格式Format MP3 WAV M4A OGG FLAC 位元率Bitrate 128 kbps 192 kbps 256 kbps 320 kbps 範圍Range Whole track A-B

全部在瀏覽器內編碼。M4A 使用瀏覽器內建 AAC 編碼器（Chrome / Edge / Safari）；若瀏覽器不支援 AAC，改以 Opus 編碼存成 M4A。MP3 編碼元件從 CDN 載入。Encoded entirely in your browser. M4A uses the browser's built-in AAC encoder (Chrome / Edge / Safari); if AAC is unavailable it is stored as Opus in M4A. The MP3 encoder loads from a CDN.

6輸出樂譜Sheet music export

來源Source InstrumentalOriginalVocalsInstrument soloInstrument arrangement 樂器Instrument 伴奏型態Accompaniment Auto Arpeggio Stride Block 旋律取自Melody from Auto Vocals Original Instrumental 模式Mode MelodyChords 低音譜Bass staff 量化Grid 1/81/16 BPM

標題Title

倍數Times ×1×2×4×8 beat bar sec 00:00.00 滑鼠：點擊樂譜上的音符跳到該處，雙擊從該處播放。格放 / 格退以一個音符為單位。Mouse: click a note to jump there, double-click to play from it. Next / prev note steps one note at a time.

MusicXML 可用 MuseScore、Finale、Sibelius 開啟編輯；自動採譜為近似結果，建議再人工校正。MusicXML opens in MuseScore, Finale or Sibelius. Automatic transcription is approximate; proofread before use.

7自訂快捷鍵Custom key mappings

啟用快捷鍵（滑鼠在本工具上或已點選本工具時）Enable shortcuts (while the pointer is over, or focus is in, this tool)

點擊按鍵欄位後按下新按鍵即可設定；按 Esc 取消、Backspace 清除。設定會保存在此瀏覽器。Click a key box, then press the new key. Esc cancels, Backspace clears. Settings are saved in this browser.

© 2026 AEML, NTUST 國立臺灣科技大學 營建工程系National Taiwan University of Science and Technology · v1.4

解碼音訊中...Decoding audio... 分離人聲中...Separating vocals... 解析樂器中...Analysing instruments... 完成！可播放、試聽或轉成樂譜。Done! Play, audition or transcribe. 無法解碼此檔案，請換成 MP3 或 WAV。Could not decode this file. Try MP3 or WAV. 注意：此檔為單聲道，無法以左右聲道比對去除人聲，伴奏與原曲相同。Note: mono file. Vocals cannot be removed by stereo comparison; instrumental equals the original. 採譜中...Transcribing... 繪製樂譜中...Engraving score... 樂譜完成，可下載 MusicXML / MIDI / ABC。音符數：Score ready. Download MusicXML / MIDI / ABC. Notes: 未偵測到明確音高，請改用「原曲」來源或調整設定。No clear pitches found. Try the Original source or other settings. 樂譜繪製元件無法載入（網路受限），已改以鋼琴捲簾顯示；下載功能不受影響。Score engraver could not load (network); showing a piano roll instead. Downloads still work. 準備獨奏音軌...Preparing solo track... 請按下按鍵...Press a key... （未設定）(none) 獨奏Solo 偵測到Detected 可能Possible 大調major 小調minor 單聲道Mono 立體聲Stereo 未命名Untitled 檔案超過 10 分鐘，僅處理前 10 分鐘。File longer than 10 minutes; only the first 10 minutes are processed. 請先上傳含人聲版與伴奏版兩個檔案。Please load both the vocal and the instrumental version. 對齊兩個版本中...Aligning the two versions... 相減取得人聲、分析人聲音域中...Subtracting vocals, analysing vocal range... 精確分析完成！人聲由兩版本相減取得。Precise analysis done! Vocals obtained by subtracting the two versions. 注意：兩版本吻合度偏低（可能是不同混音、母帶或剪輯），結果可能不準確。Warning: low match between versions (different mix, master or edit?); results may be inaccurate. 男低音Bass 男中音Baritone 男高音Tenor 女低音Alto 女中音Mezzo-soprano 女高音Soprano 可能有（立體聲寬度明顯）Likely (wide stereo) 不明顯Not evident 編碼中...Encoding... 載入 MP3 編碼元件...Loading MP3 encoder... 匯出完成：Exported: 此瀏覽器不支援該格式的編碼，請改用 Chrome / Edge，或選擇 WAV / FLAC / MP3。This browser cannot encode that format. Use Chrome / Edge, or choose WAV / FLAC / MP3. 此瀏覽器無 AAC 編碼器，M4A 改以 Opus 編碼（VLC、Chrome 可播放）。No AAC encoder in this browser; the M4A uses Opus (plays in VLC, Chrome). 此瀏覽器需即時錄製編碼，所需時間等於音樂長度，請稍候...This browser encodes in real time (takes the track length), please wait... 請先在播放器設定 A 點與 B 點（B 必須在 A 之後）。Set A and B in the player first (B must be after A). 此音軌尚未產生。This track is not available yet. 清除人聲中的殘留音樂...Removing music leakage from vocals... 請先載入音樂並完成分析，再選擇要轉譜的樂器。Load and analyse a song first, then pick the instrument to transcribe. 注意：打擊樂器沒有固定音高，轉出的音符僅供節奏參考。Note: percussion has no definite pitch; the notes are only a rhythm reference. 模擬編曲中（擷取主旋律、辨識和弦、編寫聲部）...Arranging (extracting melody, recognising chords, writing parts)... 編曲完成！已含和弦記號，可下載 MusicXML / MIDI / ABC。音符數：Arrangement ready with chord symbols. Download MusicXML / MIDI / ABC. Notes: 此為依主旋律與和弦自動模擬的編曲，非原曲該樂器的實際演奏；建議依個人程度再調整。This is an automatic arrangement from the melody and chords, not what the instrument actually plays in the recording; adjust to your level. 打擊樂器沒有旋律，無法模擬編曲，請選擇其他樂器。Percussion has no melody to arrange; please choose another instrument. 偵測到程式碼遭修改，本工具已停用。Source modification detected. This tool has been disabled.

播放 / 暫停Play / Pause 暫停Pause 格退Frame back 格放Frame forward 設 A 點Set A 設 B 點Set B 全螢幕Full screen 停止Stop 往後（跳躍秒數）Skip back 往前（跳躍秒數）Skip forward 音量 +Volume + 音量 -Volume - 切換：原曲Track: Original 切換：伴奏Track: Instrumental 切換：人聲Track: Vocals 原曲 / 伴奏 互換Swap Original / Instrumental 轉成樂譜Transcribe 下載 MusicXMLDownload MusicXML 匯出音樂檔Export audio 下載 MIDIDownload MIDI 切換語言Cycle language 開啟檔案Open file

人聲Voice 鼓組與打擊Drums & percussion 低音Bass 鍵盤Keyboards 吉他Guitars 弦樂Strings 管樂Winds & brass 電子合成Synth & electronic

主唱人聲Lead vocals 和聲Backing vocals 大鼓Kick drum 小鼓Snare drum 腳踏鈸Hi-hat 銅鈸Cymbals 中鼓 / 落地鼓Toms 打擊樂器Hand percussion 電貝斯Electric bass 低音提琴Double bass 合成貝斯Synth bass 鋼琴Piano 電鋼琴Electric piano 風琴Organ 木吉他Acoustic guitar 電吉他（清音）Electric guitar (clean) 破音電吉他Distorted guitar 小提琴Violin 大提琴Cello 弦樂合奏String ensemble 長笛Flute 薩克斯風Saxophone 銅管（小號 / 長號）Brass (trumpet / trombone) 合成氛圍音 PadSynth pad 合成主奏 LeadSynth lead 電子音效Electronic FX

偵測到程式碼遭修改，本工具已停用。Source modification detected. This tool has been disabled. — AEML, NTUST