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ãããã®ã©ããã¹ãã³ãµãŒã§ãã Descript ã®æ¯æããšãä»ã®ãã¹ãŠã®ç¡æããŒãžã§ã³ã䜿çšããã
Windowsã§ãªãŒãã£ãªãç·šéããæ¹æ³
Windows 㯠2 ã€ã®åºäœéãäžããŸãã äœããã·ã³ãã«ã«ãããåå¿è ã®ããã®1ã€ã å®éã®å¶åŸ¡ãå¿ èŠãªã¯ãªãšã€ã¿ãŒã®ããã®1ã€ã
Audacityã§ãªãŒãã£ãªãç·šéããæ¹æ³
Audacityã¯ãå°çäžã§æãåºã䜿çšãããŠããããªãŒãªãŒãã£ãªãšãã£ã¿ã§ãã WindowsãMacãLinuxã§åäœããŸãã ãããŠãããã¯ããªããå°éå®¶ã鳎ããå¿ èŠããããã¹ãŠãäžããŸãã
ã»ããã¢ããæé :
- Audacity ãéããŸãã [ãã¡ã€ã«] > [ã€ã³ããŒã] > [ãªãŒãã£ãª**] ã«ç§»åããçã®é²ç»ãèªã¿èŸŒã¿ãŸã
- çŽæ¥é²é³ãããå Žå: ãªãŒãã£ãªãã¹ããMMEã«èšå®ãããã€ã¯ãéžæããé²é³ãã£ã³ãã«ã1(Mono)ã«èšå®ããŸã
ç·šéããŠã¿ãŸãããã
Audacityã®ãªãŒãã£ãªç·šéã¯ãŒã¯ãããŒ
ãããã®æé ã®é åºã¯éèŠã§ãã ã¹ãããããªãã§ãã ããã
ã¹ããã1:ããªã ãšã«ãã
é²é³ãèããŠãã ããã æåãšæåŸã§ããããšã¢ããã€ã©ã€ãããŸãã åé€ããŸãã å³ãééããé·ãäžæåæ¢ãèŠã€ããã ãã€ã©ã€ãããã åé€ããŸãã
Audacity: ã»ã¯ã·ã§ã³ã匷調ããããã«ã¯ãªãã¯ããŠãã©ãã°ããŠã[åé€] ãæŒããŸãã
ã¹ããã2:éšé³äœæž
- é²é³äžã®çŽç²ãªæ²é»ã®5ç§ã»ã¯ã·ã§ã³(話ãããéšå±ã®éšé³ã ã)ãèŠã€ãã
- ã»ã¯ã·ã§ã³ããã€ã©ã€ããã
- 广>ãã€ãºé€å»ãšä¿®ç>ãã€ãºãªãã¯ã·ã§ã³
- ã¯ãªãã¯ãã€ãºãããã¡ã€ã«ã®ååŸ
- ä»ãããªãã®ãã©ãã¯å šäœãéžæããŸã (Windowsäžã§Ctrl + A, Macäžã§Cmd + A)
- éšé³äœæžãåã³éã
- èšå®:ãã€ãºãªãã¯ã·ã§ã³=12dBãæåºŠ=6ãåšæ³¢æ°ã¹ã ãŒã¹=3
- ã¯ãªã㯠OK
äœãèµ·ãã£ãã®ã: Audacityã¯ããã®5ç§ã®ãµã€ã¬ã³ã¹ã«è³ãåŸããããªãã®éšå±ã®éšé³ãã©ã®ãããªé³ã鳎ãããé²é³å šäœãå¥ãããŸããã ãã¡ã³ hums, 黿° ããº, éšå± 圌ã®. ãŽãŒã³ã
ã¹ããã3:ããŒãã©ã€ãº(æåã®ãã¹)
- ãã©ãã¯å šäœãéžæ
- 广>ããªã¥ãŒã ãšå§çž®>ããŒãã©ã€ãº
- ãRemove DC offsetãããã§ãã¯
- ããŒã¯æ¯å¹ ã-3.0 dBã«èšå®
- ã¯ãªã㯠OK
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- 80Hz以äžã®ãã¹ãŠãããŒã«ãªã(ã©ã³ãã«ããã¹ã¯ãã³ããäœåšæ³¥)
- 3 kHz ãš 6 kHz ã®éã§ããããªããŒã¹ãã远å ããŸãã (ãã㯠"ãã¬ãŒã³ã¹" ç¯å²ã§ãã 声ãã¯ãªã¢ããŠçè§£ãããããã
- ã¯ãªã㯠OK
ã¹ããã5:å§çž®(ãµã³ãã€ããã®è)
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- 广>ããªã¥ãŒã ãšå§çž®>ã³ã³ãã¬ããµãŒã«è¡ã
- -18 dB ã« -15 dB ã« Threshold ãèšå®ãã**
- 3:1 ãŸã㯠4:1 ã«æ¯çãèšå®ãã
- æ»ææé:2 ms
- ãªãªãŒã¹æé:100 ms
- ãã§ã㯠ãå§çž®åŸ0dBã®ã¡ã€ã¯ã¢ããã²ã€ã³ã
- ã¯ãªã㯠OK
ã¹ããã6:ããŒãã©ã€ãº(ãã¡ã€ãã«ãã¹)
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ã§ãã å§çž®æ©ãµã³ãã€ãã:éšé³äœæžãããŒãã©ã€ãºãEQãå§çž®ãããŒãã©ã€ãºã
ããªãã®ãªãŒãã£ãªã¯ãçãšäžåçããæŸéæºåã«è¡ããŸãã 5ã€ã®ã¹ãããã ãã¡ã€ã«ããšã«5å
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Windowsã§ã·ã¹ãã ãªãŒãã£ãªããã£ããã£ããæ¹æ³
ãºãŒã ã€ã³ã¿ãã¥ãŒãã²ãŒã ãã¬ã€ã®é³å£°ããŸãã¯ã¹ããŒã«ãŒãéããŠäœããèšé²ãããã§ãã? ãããšãAudacity å ã§ç·šéã§ããŸãã?
WASAPI Loopback ãšåŒã°ããŠããŸãã
- Audacityãéã
- MMEããWindows WASAPIã«Audio HostããããããŠã³ã倿Ž
- é²é³ããã€ã¹ããããããŠã³ã§ãã¹ããŒã«ãŒãŸãã¯ããããã©ã³ãéžæããŸãã ããã®åŸã«**(ã«ãŒãããã¯)ãšèšããã®ãæ¢ããŠãã ãã
- ã¹ããã: ãã©ã³ã¹ããŒã > ãã©ã³ã¹ããŒããªãã·ã§ã³ã«ç§»åãããœãããŠã§ã¢ã®ãã¬ã€ã¹ã«ãŒããªãã§ããããšã確èªããŠãã ããã ãããæ®ããŠãç¡éã®ãã£ãŒãããã¯ã«ãŒããäœæããŸãã ããŸããã§ãã
- ãããã¬ã³ãŒãã Audacityã¯ãã¹ããŒã«ãŒãéããŠäœãåçããããæ£ç¢ºã«ãã£ããã£ããŸã
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ã¯ãªãšã€ã¿ãŒåãAudacityãšã¯ã¹ããŒãèšå®
| ãŠãŒã¹ã±ãŒã¹ | ãã©ãŒããã | ãµã³ãã«ã¬ãŒã | ãããã¬ãŒã | LUFS ã¿ãŒã²ãã |
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| YouTube / åç» | ã¯ã | 48,000ã®Hz | 24ãããPCM | -14 LUFS |
| ããããã£ã¹ã | ãšã ããŒã»ã¹ãªãŒ | 44,100ã®Hz | 128-192ã®kbps CBR | -16 LUFS (Apple) / -14 LUFS (Spotify) |
| ãã€ã¹ãªãŒããŒ(ACX) | ã¯ã | 44,100ã®Hz | 16-bit | ããŒã¯ < -3 dBãRMS -18 -23 dB |
| ãªãŒã«/ã·ã§ãŒããã³ã | ãããªã§ãšã¯ã¹ããŒã | 48,000ã®Hz | - | -9ã12 LUFS |
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MacãŠãŒã¶ãŒã¯ãå®éã«ã»ãšãã©ã®äººãå®çŸãããããåªããŠããã Appleã¯GarageBandãç¡æã§åºè·ããAudacityãMacäžã§åäœããŸãã
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- çµã¿èŸŒã¿EQãCompressorãNoise Gateãã©ã°ã€ã³ã䜿çšããŠããã©ãã¯ãåŠçãã
- ãšã¯ã¹ããŒã: [å ±æ] > [ãšã¯ã¹ããŒã] ã«ç§»åããŸãã WAV ãŸã㯠AIFF ãéžæããŠç·šéããŸãã é éã®ããã®MP3
ããã©ã«ãã§ã¯44.1 kHzã§GarageBandç·šéãè¡ããŸãã ãããªã¯ãŒã¯ã®å Žåãæåã§èšå®ã§48kHzã«å€æŽããŸãã
Macã§Audacityã§ãªãŒãã£ãªãç·šéããæ¹æ³
Windowsã»ã¯ã·ã§ã³ããåãã³ã³ãã¬ããµãŒãµã³ãã€ããã¯ãŒã¯ãããŒã¯ãMacäžã§åãããã«åäœããŸãã AudacityãããŠã³ããŒããããªãŒãã£ãªãã€ã³ããŒãããåã5ã€ã®æé ã«åŸã£ãŠãã ããã
å¯äžã®éã: MME ã§ã¯ãªããAudio Host ã CoreAudio ã«èšå®ããŸãã
Macã§ã·ã¹ãã ãªãŒãã£ãªããã£ããã£ããæ¹æ³
ããã¯ãMacãç©äºãå¿ ç¶çã«è€éã«ããå Žæã§ãã
Windowsãšã¯ç°ãªããmacOSã¯ã·ã¹ãã ãªãŒãã£ãªããã£ããã£ããããã®çµã¿èŸŒã¿ã®æ¹æ³ã¯ãããŸããã "loopback" ãªãã·ã§ã³ã¯ãããŸããã
ç¡æã®ä»®æ³ãªãŒãã£ãªãã©ã€ããå¿ èŠã§ãã 2026ã®æè¯ã®éžæè¢ã¯[ãã©ãã¯ããŒã«](https://existential.audio/blackhole/).
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- blackHole ãããŠã³ããŒãããŸãã.audio (ããã¯èªç±ã§ãªãŒãã³ãœãŒã¹ã§ã)
- 2ãã£ã³ãã«çãã€ã³ã¹ããŒã«ãã
- Open Audio MIDI Setup (Spotlight ã§æ€çŽ¢)
- å·Šäžã«ããã+ããã¿ã³ãã¯ãªãã¯ããŸãã éžæãã«ãåºåããã€ã¹ãäœæãã
- 宿çãªã¹ããŒã«ãŒ/ããããã©ã³ãšãã©ãã¯ããŒã«2chã®äž¡æ¹ããã§ãã¯
- Audacity(ãŸãã¯ä»»æã®é²é³ã¢ããª)ã§ãå ¥åãœãŒã¹ãšããŠBlackHole 2chãéžæããŸãã
- ãããã¬ã³ãŒãã ã³ã³ãã¥ãŒã¿ãŒã®ãªãŒãã£ãªããã£ããã£ãããŸãã
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Windowsãšåãåç:
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| ãããæ·±ã | 24-bit |
| ãã£ã³ãã« | ã¢ãã¯ã |
| ãšã¯ã¹ããŒãåœ¢åŒ | ç·šéçšWAVãããããã£ã¹ãé ä¿¡çšMP3 |
| ã¿ãŒã²ãã LUFS | -14 YouTube/Spotify, -16 Apple Podcast çš |
iPhoneã§ãªãŒãã£ãªãç·šéããæ¹æ³
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01What is the best free software to edit audio?
Audacity. It works on Windows, Mac, and Linux. It handles noise removal, EQ, compression, normalization, and exporting. It's ugly, but it's incredibly powerful. And it's been free for over 20 years.
02How do I edit audio without losing quality?
Edit in WAV format (uncompressed). Only convert to MP3 at the very end, and only if your platform requires it. Every time you save an MP3 and re-open it for more editing, you lose quality. WAV doesn't have that problem.
03What's the difference between audio editing and audio mixing?
Editing is cutting, trimming, and cleaning individual audio tracks. Mixing is combining multiple tracks together (voice, music, sound effects) and balancing their volumes, EQ, and panning. Most podcast and YouTube workflows involve both.
04Can I edit audio on my phone?
Yes. Lexis Audio Editor (Android) and WavePad (iPhone) both support noise reduction, EQ, compression, and WAV export. It won't match a desktop, but it's good enough for social media content and quick voiceovers.
05What loudness level should a podcast be?
-16 LUFS for Apple Podcasts. -14 LUFS for Spotify and most other platforms. If you're distributing to multiple platforms, master to -14 LUFS. It works everywhere.
06What is the correct order of audio effects?
Noise Reduction > Normalize > EQ > Compression > Normalize. This is the Compressor Sandwich. Do it in this order every time. Changing the order creates problems.
07How do I remove background noise from a recording?
Three approaches: (1) Use Audacity's noise profile method (highlight silence, get noise profile, apply to full track). (2) Use AI tools like Adobe Podcast Enhance for one-click cleanup. (3) Prevent it next time by treating your room and getting closer to the mic.
08What sample rate should I use?
48,000 Hz for anything involving video (YouTube, Reels, Shorts). 44,100 Hz for audio-only projects (podcasts, music). Mismatching sample rates causes audio drift. The voice slowly falls out of sync with the video over time.
09How do I fix room echo after recording?
AI tools like Adobe Podcast Enhance or Descript Studio Sound can reduce echo by rebuilding the voice signal. Traditional EQ can't remove echo once it's baked into the recording. The real fix is preventative: treat the room with soft materials before recording.
10How to edit audio without software?
You can use built-in tools on mobile apps or online editors for basic trimming and cleanup, but professional software gives you much better control over noise reduction, EQ, compression, and export quality.
11How to edit audio on mobile?
Use apps like CapCut, GarageBand, WavePad, or Lexis Audio Editor to trim clips, enhance clarity, reduce noise, and export finished audio directly from your phone.
12What is the easiest audio editing tool?
Audacity is one of the easiest free audio editing tools for beginners because it gives you trimming, noise reduction, EQ, compression, and export settings in one place.
13Can I edit audio for free?
Yes. Audacity, GarageBand, BandLab, Lexis Audio Editor, and several mobile apps let you edit audio for free.
14What is the best audio editing software?
Adobe Audition, Audacity, and GarageBand are among the most popular audio editing tools with the best option depending on whether you need free editing, mobile editing, or advanced multitrack control.

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