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7 Best AI Voice Isolators for Podcasts & YouTube Videos (2026)

執筆者 | Last updated Nov 8, 2026

総合最優秀賞
イレブンラボ
4.8
  • Industry-leading voice
  • Instant voice cloning
  • 70以上の言語に対応
  • Full developer API
  • Speech-to-speech control
  • 無料プランあり
  • Paid Plans from $1/month
最高の価値
マーフAI
4.5
  • 200+ studio-grade voices
  • Built-in voiceover studio
  • Video and slide sync
  • チームコラボレーションワークスペース
  • Pitch and pace controls
  • 無料プランあり
  • 有料プランは月額19ドルから
最も注目された
スピーチする
4.0
  • Reads PDFs and web pages
  • Mobile, desktop and Chrome
  • OCR scanning built in
  • Playback up to 4.5x
  • Offline listening support
  • 無料プランあり
  • 有料プランは月額29ドルから
最高のAI音声分離装置

You nailed the interview.

Then you play it back, and all you hear is the café behind you.

Cups clinking. A blender. Someone laughing two tables away.

Re-recording isn’t always an option.

And fixing noise by hand in an audio editor takes hours and real skill.

人工知能 声 isolators do the heavy lifting.

In this article, we’ll explore the 7 best AI voice isolators in 2026, so you can get clean audio from messy recordings.

最高の AI 音声アイソレーターは何ですか?

It depends on what you’re cleaning.

A podcaster fixing room echo needs a different tool than a music producer pulling a vocal track out of a song.

Some tools on this list are dedicated isolators. Others clean your audio inside a bigger voice platform, or let you replace a ruined take with a clean AI voice.

We ranked them by how well they help you get clear speech.

私たちのトップピックを詳しく見ていきましょう!

1. ElevenLabs (⭐️4.8)

Need to rescue a noisy recording right now?

イレブンラボ has a dedicated Voice Isolator built on a deep learning model.

It strips out street noise, mic feedback, background music, and even overlapping chatter.

You can upload a file or record straight in your browser, then download the isolated vocals.

The maximum file size is 500MB or 1 hour per upload, and developers can use it through the API.

It costs 1,000 credits per minute, so the free 10,000 monthly credits cover about 10 minutes. Paid plans start at $6/month.

私たちの可能性を解き放ちましょう ElevenLabsチュートリアル.

ElevenLabs Introduction

私たちの見解

Elevenlabs Logo

Hear the difference yourself — start free with ElevenLabs and generate studio-quality narration in minutes, no audio engineering required.

主なメリット

  • Generate narration so natural that most listeners can’t tell it from a human voice actor.
  • Clone your own voice once and reuse it across videos, podcasts, and courses without re-recording.
  • Publish the same content in 70+ languages without hiring native speakers or translators.
  • Automate voice generation at scale through a reliable API built for production workflows.
  • Direct pacing and emphasis by recording a reference read and letting speech-to-speech match it.

価格

すべての計画は 年払い.

  • 無料 — $0
  • スターター — $1 first month, then $6/mo
  • クリエイター — $11 first month, then $22/mo
  • プロ — $99/mo
ElevenLabsの価格設定

長所

  • Unmatched voice realism.
  • Lightning-fast cloning.
  • Powerful developer API.
  • Massive language coverage.
  • Constant model upgrades.

短所

  • Credits burn fast.
  • Cloning needs paid plan.
  • Lightweight editing tools.
  • Pricey at volume.

2. Murf AI (⭐️4.5)

Recorded your voiceover at home and it sounds rough?

Murf AI’s voice changer can turn that raw recording into studio-quality audio.

It removes background noise and re-voices your words in a clean AI voice.

Your pacing and timing stay the same, so the new audio still matches your video.

You can then fine-tune ピッチ, speed, and emphasis inside Murf Studio.

The free plan includes 10 minutes of audio, and paid plans start at $19/month billed annually.

私たちの可能性を解き放ちましょう Murf AI tutorial.

Murf AI Introduction

私たちの見解

マーフAIロゴ

Turn your script into a professional voiceover today. Try Murf AI free and publish broadcast-ready narration without a recording booth.

主なメリット

  • Produce polished corporate voiceovers for training, explainers, and ads without hiring voice talent.
  • Keep your script, timing, and video in one workspace instead of juggling three different tools.
  • Let your whole team review, comment on, and revise narration together before it goes live.
  • Fine-tune pitch, pace, and emphasis line by line until every sentence lands the way you want.
  • Sync narration to slides and video automatically, so timing never drifts out of place.

価格

すべての計画は 年払い.

  • Free — $0
  • Creator — $19/mo ($228 billed annually)
  • Business — $66/mo ($792 billed annually)
  • エンタープライズ - カスタム
Murf AIの価格

長所

  • Flawless explainer narration.
  • Precise delivery controls.
  • Clean, intuitive interface.
  • Seamless presentation integrations.
  • Top-rated by users.

短所

  • Less emotional nuance.
  • Cloning on premium tiers.
  • Render limits apply.
  • Fewer languages offered.

3. Speechify (⭐️4.0)

Sometimes the noise is too bad to fix.

That’s when replacing the voice track makes more sense than cleaning it.

Speechify Studio doesn’t have a dedicated voice isolator, but it gives you 1,000+ clean AI 声 そして音声クローン。

Clone your voice once from a quiet sample, then regenerate any noisy section from your script.

Its AI dubbing can also rebuild a video’s spoken words in a clean voice.

There’s a free tier to test it before you pay.

私たちの可能性を解き放ちましょう Speechifyチュートリアル.

Speechifyの紹介

私たちの見解

Speechify Logo

Stop reading, start listening. Try Speechify free and turn every PDF, email and article into audio you can finish anywhere.

主なメリット

  • Clear your reading backlog during commutes, workouts, and chores by listening instead of reading.
  • Turn any PDF, email, or web page into natural-sounding audio with a single tap.
  • Snap a photo of a printed page and listen to it immediately using built-in OCR.
  • Speed playback up to 4.5x to absorb information faster once your ears adjust.
  • Keep listening offline on your phone, laptop, or browser wherever you happen to be.

価格

  • 無料 — $0
  • プレミアム — $29/mo or $139/yr
Speechifyの価格

長所

  • Proven consumer favourite.
  • Works across every device.
  • Natural long-form voices.
  • Genuinely useful speed controls.
  • Excellent accessibility support.

短所

  • Built for consuming only.
  • Limited export options.
  • No voice cloning.
  • Premium voices paywalled.

4. Hume AI (⭐️3.8)

Hume AI isn’t a noise remover.

It’s here for the moment after cleanup, when your voice track needs to sound human again.

Heavy noise removal can leave speech flat and robotic.

Hume’s Octave model regenerates lines with real emotion, tone, and pacing from your 文章.

You can even design a brand-new voice just by describing it.

The free plan includes 10,000 characters, and paid plans start at $3/month.

私たちの可能性を解き放ちましょう Hume AI チュートリアル.

ヒュームAI入門

私たちの見解

Hume Logo

Direct your narration like a performance. Explore Hume AI and generate speech that actually conveys emotion, not just words.

主なメリット

  • Direct a voice performance in plain English instead of fiddling with technical sliders and settings.
  • Deliver narration that carries real emotion and intent rather than flat, robotic reading.
  • Build voice agents that detect how users sound and respond with matching empathy.
  • Give each character in a story or game its own distinct emotional range and personality.
  • Integrate expressive, human-feeling speech directly into your app through a developer-first API.
YouTubeビデオ

価格

  • 無料 — $0.
  • スターター — $3/mo.
  • クリエイター — $14/mo ($7 first month).
  • プロ — $70/mo · Scale — $200/mo.
  • 仕事 — $500/mo.
  • 企業 — Custom.
hume ai pricing

長所

  • Unmatched emotional range.
  • Direct by written prompt.
  • Ideal for character narration.
  • Thoughtfully designed API.
  • Rapidly improving models.

短所

  • Developer setup required.
  • Smaller voice library.
  • Thin review base.
  • Awkward for one-offs.

5. Descript (⭐️3.5)

Want noise removal and editing in one place?

Descript’s Studio Sound cleans your audio with one toggle.

It removes background noise and room echo, then rebuilds the voice so it sounds clearer.

An intensity slider lets you dial it back if the result sounds too processed.

You can also cut filler words and edit the video by editing the transcript.

The free plan gives you limited Studio Sound uses, and paid plans start at $16/month billed annually.

私たちの可能性を解き放ちましょう チュートリアルの説明.

Descript Introductiona

私たちの見解

Descript Logo

Edit audio like a text document. Start Descript free and cut, clean and publish your first episode this afternoon.

主なメリット

  • Edit recordings by editing the transcript, as easily as cutting words from a document.
  • Fix a flubbed line by typing the correction and letting Overdub speak it in your voice.
  • Strip every “um,” “uh,” and awkward pause from an hour-long recording in a single click.
  • Rescue echoey, noisy home recordings with Studio Sound and make them sound studio-made.
  • Record, edit, and publish audio and video in one app instead of paying for several.

価格

すべての計画は 年払い.

  • 趣味人 — $16/person/mo
  • クリエイター — $24/person/mo
  • 仕事 — $50/person/mo
  • 企業 — Custom
価格を説明する

長所

  • Revolutionary transcript editing.
  • Audio and video combined.
  • Effortless audio cleanup.
  • Perfect for podcasters.
  • Built-in team collaboration.

短所

  • Resource-heavy app.
  • Steep initial learning.
  • Overdub trails rivals.
  • Slow long exports.

6. DupDub (⭐️3.0)

DupDub is a voice and video platform, not a dedicated vocal remover.

It earns a spot because it can rebuild a video’s voice track from scratch.

Translate or re-dub a clip, and the new audio comes out clean, with no background noise from the original.

You can clone your own voice so the replacement still sounds like you.

It also adds subtitles and talking avatars if you want to rework the whole video.

You get a free plan plus a 3-day trial, and paid plans start at $11/month.

私たちの可能性を解き放ちましょう DupDubチュートリアル.

ダブダップの紹介

私たちの見解

Dupdub Logo

One platform for voice, avatars and dubbing. Try DupDub free and localise your video library without re-recording a single line.

主なメリット

  • Replace separate subscriptions for TTS, cloning, avatars, and dubbing with one affordable platform.
  • Dub your existing videos into new languages without hiring voice actors or re-recording anything.
  • Add a lifelike AI presenter to tutorials and promos without filming a single frame.
  • Clone a voice once and use it consistently across voiceovers, avatars, and dubbed content.
  • Polish the finished video inside the same platform instead of exporting to a separate editor.

価格

すべての計画は 年払い.

  • 無料: 月額0ドル
  • 個人的: 月額11ドル
  • プロ: 月額30ドル
  • 究極の: 月額110ドル
ダブダップの価格

長所

  • Remarkably wide toolkit.
  • Genuinely useful dubbing.
  • Affordable avatar generation.
  • Quick first results.
  • Positive early feedback.

短所

  • Very thin reviews.
  • Uneven module quality.
  • No standout strength.
  • Limited track record.

7. Listnr (⭐️2.8)

Listnr doesn’t separate vocals from noise.

But if your spoken words are buried in a bad recording, it can give you a fresh, clean track.

Paste your script and pick from 1,000+ AI voices in 142+ languages.

Or clone your own voice from a quiet sample, so the new take still sounds like you.

It’s a budget-friendly way to save a ポッドキャスト or video when cleanup isn’t enough.

There’s a free plan, and paid plans start at $19/month.

私たちの可能性を解き放ちましょう Listnrチュートリアル.

リストnrの紹介

私たちの見解

Listnr Logo

Give every article an audio version. Try Listnr and turn your blog into a podcast your readers can listen to anywhere.

主なメリット

  • Give every blog post an audio version automatically, so readers can listen instead of scroll.
  • Host your audio and podcast episodes without paying for a separate hosting service.
  • Embed a clean audio player on your pages to keep visitors engaged and on-site longer.
  • Distribute episodes to Spotify, Apple Podcasts, and other platforms without extra setup.
  • Publish audio in multiple languages from one dashboard to reach international readers.

価格

すべての計画は 年払い.

  • 無料 — $0
  • 個人 — $19/mo ($190 billed annually)
  • ソロ — $39/mo ($390 billed annually)
  • 代理店 — $99/mo ($990 billed annually)
Pricing of Listnr

長所

  • Hosting bundled in.
  • Simple embed player.
  • Low entry cost.
  • Built for publishers.
  • End-to-end distribution.

短所

  • Recurring support complaints.
  • Voice quality trails leaders.
  • Dated interface.
  • Mixed reliability reports.

AI 音声アイソレータを選択する際に注意すべき点は何ですか?

  • Separation quality: Test it on your worst recording. Good tools keep the voice natural while removing traffic, hum, and chatter.
  • Voice or music focus: A voice isolator cleans spoken audio. An AI vocal remover splits songs into a vocal track and instrumental tracks. Pick the one that matches your job.
  • File types and limits: Check common formats like MP3, WAV, and MP4, plus the maximum file size and length per upload.
  • Control over strength: An intensity slider helps you avoid voices that sound hollow or robotic after cleanup.
  • Speed and workflow: Look for browser-based tools that work in just a few clicks, or an API if you process audio files in bulk.
  • Free tier and pricing: Very few tools are completely free. Compare how many minutes each free plan really covers.

How Can an AI Voice Isolator Benefit You?

AI voice isolators use deep learning to tell human speech apart from noise.

They’re trained on thousands of hours of clean speech and noise samples, then map the frequencies in your audio to keep only the voice.

That means you can get studio-quality results without acoustic treatment or a high-end microphone.

Podcasters clean up interviews. Video editors fix dialogue. 教師 make lessons easier to hear, which also helps listeners with hearing impairments.

Clean sound matters more than most people think. High-quality audio can boost view time by up to 80%.

Working with songs instead of speech?

Karaoke enthusiasts and music producers usually want a dedicated vocal remover. Tools like ララル・アイ split a song into isolated vocals, accompaniment, and separate instruments, so you can make a karaoke version or remix your favorite songs.

バイヤーズガイド

Here’s how we chose the best AI voice isolators:

  • Noise handling: We looked at how each tool handles common noise, like café chatter, traffic, fan hum, and background music.
  • Isolation features: We separated true voice isolators from tools that clean or replace audio within a larger platform, and ranked them by how clear the final speech sounds.
  • 価格: We checked how many minutes each free plan really covers and what paid plans cost per month.
  • マイナス面: We noted weak spots, like hollow-sounding voices, tight upload limits, or no dedicated isolator.
  • Support and refunds: We reviewed help docs, community forums, and refund policies for each tool.

まとめ

That’s a wrap on the 7 best AI voice isolators for 2026!

For pure voice isolation, ElevenLabs is the strongest pick on this list. Descript is the best choice if you also edit the video.

When a recording is too far gone, tools like Murf AI, Speechify, and Listnr let you rebuild the voice track instead.

Start with a free plan, test your noisiest clip, and keep the tool that gives you the cleanest speech.

よくある質問

最も優れたAI音声除去ツールはどれですか?

For spoken audio, ElevenLabs Voice Isolator is the strongest choice on this list. For songs, a dedicated vocal remover like LALAL.AI works better because it splits vocals from instrumental tracks and separates instruments. Pick based on whether you’re cleaning speech or music.

What AI tool isolates voice?

ElevenLabs Voice Isolator is built just for this. Upload an audio or video file, click Isolate, and download a clean voice track. Descript’s Studio Sound does a similar job inside a full ビデオエディター.

ノイズ低減に最適なAIツールは何ですか?

Descript’s Studio Sound is great for steady noise like fans, AC hum, and room echo. ElevenLabs handles tougher mixes with music or street noise. Both let you clean audio without any audio engineering skills.

Is there a completely free AI voice isolator?

Most tools give you limited free use, not unlimited. ElevenLabs’ free credits cover about 10 minutes of isolation a month. Descript’s free plan includes a few Studio Sound uses so that you can test it.

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