⚡ Quick Verdict:
- 価格: Lovo AI starts at $24/month vs WellSaid Labs at $50/user/month
- 最適な用途: Lovo AI for content creators, YouTubers, and multilingual projects. WellSaid Labs for enterprise teams and corporate training videos
- 主な違い： Lovo AI offers 500+ voices in 100+ languages with voice cloning and a built-in video editor. WellSaid Labs focuses on 120+ studio-quality English voices with enterprise security
- Our pick: Lovo AI for most users — broader voice library, lower price, and an all-in-one toolkit make it the better fit for individual creators and small teams
Choosing between Lovo AI vs WellSaid Labs comes down to one 質問.
Do you need a creator-friendly toolkit or enterprise-grade voice synthesis?
Both promise realistic AI voices that sound human.
But they target very different users with different budgets.
This guide breaks down both AI voice generators side by side.
You’ll know which one fits your work by the end.
概要
This comparison covers pricing, voice quality, languages, and ease of use.
We also break down who each tool works best for.
Our sources include published specs, official documentation, and G2 reviews.
By the end, you’ll know which AI voice generator fits your needs.
Lovo AIとは何ですか？
Lovo AI is an AI voice generator built for content creators and marketers.
書かれたテキストを、数秒で自然な音声に変換します。
The platform offers over 500 AI voices across more than 100 languages.
Each voice can express over 30 distinct emotions for richer audio.
Lovo also bundles an online video editor, AI art generator, and AI writer.
Most users pick it for YouTube videos, ads, e-learning modules, and audiobooks.
ロボAI
Generate hyper-realistic AI voices in 100+ languages. Includes voice cloning, an online video editor, and commercial rights from $24/month.
Lovo AIの価格設定
2026年におけるLovo AIのコストは以下の通りです。詳しく見ていきましょう。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 基本 | 月額24ドル | 趣味で創作活動をする人や、気軽に創作活動を楽しむ人 |
| プロ | 月額24ドル | YouTubers and freelance creators |
| プロ+ | 月額75ドル | 代理店および大量処理チーム |
Pricing verified April 2026.
無料トライアル: Yes. Lovo offers a 14-day free trial that lets you generate up to 20 minutes of AI voiceovers. No credit card required to start.
返金保証: Refund policy applies within a limited window after purchase. Check Lovo’s terms for the latest details.
📌 注記： Annual billing brings the per-month cost down significantly. Lovo’s Starter plan is also available at around $4/month for very light use cases. Commercial rights are included on paid plans, so you can monetize your content.
⚠️ 警告： Subscriptions auto-renew by default. Cancel before the renewal date to avoid charges. Premium voices and voice cloning are gated to higher tiers, so confirm what’s included before you upgrade.
Lovo AIの主な利点
Here’s what makes Lovo AI worth considering:
- 膨大な音声ライブラリ: Lovo offers over 500 AI voices that speak more than 100 languages. The variety covers nearly every accent and tone you might need for global content.
- 感情のこもった声： Each voice can express over 30 distinct emotions. This makes the generated voices sound more human and helps boost audience engagement.
- 音声クローン機能： You can create a digital, custom clone of your own voice. This helps with consistent branding or narration across multiple projects.
- オールインワンツールキット： Lovo includes Genny AI, an online video editor, AI art generator, AI writer, and auto subtitle generator. You can produce a full video without leaving the platform.
- 商用利用権が含まれます： Paid plans include commercial use rights for AI-generated voices. You can monetize ads, YouTube videos, and corporate training videos without legal worry.
- Inclusive Content Support: Lovo improves content inclusivity by converting written text into speech for visually impaired audiences. It’s also useful for individuals with speech disabilities.
- Background Music and Sound Effects: You can layer background music and sound effects directly into your voiceovers. This creates polished audio without needing a separate editor.
What Our Team Noticed
Our writer signed up for Lovo AI and spent several days exploring the Genny dashboard. Here’s what stood out:
Lovo AIの長所と短所
✅ メリット
- 500+ AI voices across 100+ languages and accents
- 30+ emotion options per voice for engaging tone
- Voice cloning lets you create custom voices
- Built-in video editor, AI art generator, and AI writer
- 有料プランには商用利用権が含まれます
❌ デメリット
- Premium voices are gated to higher-tier plans
- The 500+ voice library can feel overwhelming at first
- Pro+ plan jumps to $75/month for high-volume use
- Requires a stable internet connection to work properly
WellSaid Labsとは何ですか?
WellSaid Labs is an enterprise-grade AI text to speech platform.
It uses advanced speech synthesis and deep learning to generate voiceovers from written text.
The platform offers over 120 AI voices, each with a unique personality.
Voices are trained on consensually obtained, licensed voice data from professional voice actors.
WellSaid Studio is the web app for generating and editing voiceovers quickly.
Fortune 500 companies use WellSaid Labs for corporate training videos and product demos.
ウェルサイドラボ
Studio-quality AI voices trained on licensed data. SOC2 Type 2 and GDPR compliant. Built for Fortune 500 teams from $50/user/month.
WellSaid Labsの価格設定
WellSaid Labsの2026年のコストは以下の通りです。詳しく見ていきましょう。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| トライアル | 無料 | プラットフォームを7日間テストする |
| クリエイティブ | 1ユーザーあたり月額50ドル | 個人クリエイターと小規模チーム |
| 仕事 | 1ユーザーあたり月額160ドル | Growing teams with collaboration needs |
| 企業 | 営業担当者へのお問い合わせ | Fortune 500 and large organizations |
Pricing verified April 2026.
無料トライアル: Yes. WellSaid Labs offers a 7-day free trial that gives you access to the studio and a sample set of voices.
返金保証: No standard refund policy is published. Enterprise plans include custom contract terms negotiated through sales.
📌 注記： The Business plan offers around 144 audio hours per year. Commercial usage rights for audio created in WellSaid Studio require a paid subscription. Enterprise pricing includes unlimited projects and security controls.
⚠️ 警告： WellSaid Labs is priced per user, so team costs add up quickly. There’s no permanent free plan — only the 7-day trial. Voice cloning is not offered, since the platform prohibits unauthorized voice cloning or deepfakes.
WellSaid Labsの主なメリット
Here’s what makes WellSaid Labs worth considering:
- Studio-Quality AI Voices: WellSaid Labs offers over 120 AI voices with high-fidelity audio standards up to 96 kHz. Voices are designed for professional voiceover production needs.
- エンタープライズセキュリティ： The platform complies with SOC2 Type 2 and GDPR standards. It also meets HIPAA, ADA, and WCAG accessibility standards for healthcare and government use.
- ヒント 音声指示: WellSaid Labs unveiled HINTS, a technology that lets users direct AI voice performance in a more natural way. You can shape voices with contextual annotations like tempo or loudness adjustments.
- RESTful API ビルダー: The real-time API delivers low-latency text to speech. Developers can integrate voice synthesis into their own apps and digital experiences.
- チームコラボレーション: Voices for Teams allows shared projects, central pronunciation repositories, and multi-user editing. Content teams can manage scripts and audio assets together.
- 大幅なコスト削減： Businesses report up to 80% savings on traditional voiceover costs using WellSaid Labs. The system scales to thousands of audio assets without the price tag of hiring voice actors.
- Word-Level Customization: WellSaid Labs offers ピッチ adjustment, pacing, and loudness management at the word level. The AI Director feature gives fine-grained control over each voice output.
What Our Team Noticed
Our writer spent time inside WellSaid Studio testing the AI Director and HINTS features. Here’s what stood out:
WellSaid Labsの長所と短所
✅ メリット
- 120+ studio-quality voices with unique personalities
- SOC2 Type 2 and GDPR compliant for enterprise use
- HINTS technology for fine-tuned voice direction
- Real-time API with low latency for builders
- Up to 80% savings on traditional voiceover production costs
❌ デメリット
- Voice avatars are only available in English
- Per-user pricing makes team plans expensive
- No voice cloning feature is supported
- Sign-up requires a work email ID for some plans
機能比較
Lovo AIとWellSaid Labsの詳細な比較をご覧になる準備はできましたか？
お客様のニーズに最適なプラットフォームを判断するのに役立つ8つの主要な機能について詳しく見ていきましょう。
| 特徴 | ロボAI | ウェルサイドラボ |
|---|---|---|
| 開始価格 | 月額24ドル | 1ユーザーあたり月額50ドル |
| 無料プラン | ✅（14日間無料トライアル） | ✅（7日間無料トライアル） |
| 声の数 | 500+ | 120+ |
| 言語 | 100+ | 英語中心 |
| 音声クローン | ✅ | ❌ |
| 内蔵ビデオエディタ | ✅ | ❌ |
| APIアクセス | 限定 | ✅ (Real-time) |
| Enterprise Security (SOC2/GDPR) | 標準 | ✅ (Full compliance) |
| 最適な用途 | Content creators, YouTubers | Enterprise teams, training videos |
1. Voice Library and Quality
Lovo AI: Lovo offers over 500 AI voices that speak more than 100 languages. The voices are described as hyper-realistic and often hard to distinguish from real human voices. The sheer size of the library means you’ll find a voice for almost any use case, from corporate training videos to playful YouTube intros.
ウェルサイードラボ: WellSaid Labs has over 120 AI voices, each with its own unique personality. These are studio-quality voices trained on closed AI models with exclusive, licensed voice data. The library is smaller but the average voice quality is higher and more polished, hitting up to 96 kHz audio for professional use.
2. Languages and Accents
Lovo AI: Lovo supports text to speech in over 100 languages and accents. This makes it suitable for global audiences and multilingual content like ads, audiobooks, e-learning modules, and ソーシャルメディア posts. If you publish content for international markets, this range is hard to beat.
ウェルサイードラボ: WellSaid Labs voice avatars are only available in English. The platform offers a variety of accents and styles within English, but it doesn’t compete with multi-language platforms. For US-focused corporate training videos and product demos, this isn’t a problem. For global content, it’s a clear gap.
⚠️ 警告： If your content needs Spanish, Mandarin, Hindi, French, or any non-English language, WellSaid Labs won’t work for you. Lovo AI’s 100+ language support is a major reason creators pick it over WellSaid Labs.
3. Voice Cloning Feature
Lovo AI: Lovo supports voice cloning, allowing users to create custom voices that replicate specific vocal characteristics. You can create a digital, custom clone of your own voice for consistent branding or narration across multiple projects. This is useful for podcasters, YouTubers, and brand owners who want a signature voice.
ウェルサイードラボ: WellSaid Labs does not offer voice cloning. The platform prohibits unauthorized voice cloning or deepfakes as part of its commitment to ethical AI practices. All voices are trained on consensually obtained, licensed voice data from professional voice actors. If you want a custom clone of your own voice, WellSaid Labs isn’t the tool.
4. Emotion and Voice Direction
Lovo AI: Users can convey more than 30 distinct emotions with Lovo’s voice generation technology. The AI generated voices can express a wide range of emotions, enhancing the engagement of the content. You pick the emotion from a dropdown and the voice adjusts. It’s a simple workflow for creators who don’t want to fiddle with technical settings.
ウェルサイードラボ: WellSaid Labs takes a different approach with HINTS. HINTS allows users to direct the performance of AI voices in a more natural, nuanced way. Content creators shape voices by adding contextual annotations like tempo or loudness adjustments. Annotations can be nested and layered across long scripts for fine-grained results. The AI Director feature also adjusts voice parameters like pitch and pacing at the word level.
5. Built-In Editor and Tools
Lovo AI: Lovo bundles an online video editor, AI art generator, and AI writer alongside the voice generator. You can write a script, generate matching art, edit video clips, and add voiceovers without leaving the app. This is a big advantage for solo creators who don’t want to juggle five different tools.
ウェルサイードラボ: WellSaid Studio is a focused web application for generating and editing voiceovers quickly. It’s not a video editor — it’s a voice production platform. You’ll need separate tools for video editing, art creation, or scripting. This single-purpose design is intentional and works well for teams that already have their own production stack.
6. チームコラボレーション
Lovo AI: Lovo’s higher-tier plans include team features for sharing projects and managing brand voices. The Pro+ plan at $75/month is aimed at agencies and high-volume teams. Collaboration is workable but not the main focus of the platform.
ウェルサイードラボ: WellSaid Labs is built around team collaboration. The Voices for Teams feature lets users create custom pronunciations and maintain a central repository shared across team members. Project sharing, role management, and shared scripts are core to the workflow. The Business plan adds 144 audio hours per year and full team collaboration features.
7. API and Developer Access
Lovo AI: Lovo offers some API access for developers but it’s not the central focus of the product. Most users interact with the Genny dashboard rather than calling the API directly. If you want to embed Lovo’s voices into your own app, you’ll want to confirm API limits and pricing with their team.
ウェルサイードラボ: WellSaid Labs features a RESTful API for real-time text-to-speech with low latency. Product developers can integrate voice technology into their own apps with confidence. The API is designed for scalability, enabling the rapid creation of thousands of audio assets. The “WellSaid for Builders” plan is built specifically for this use case.
8. セキュリティとコンプライアンス
Lovo AI: Lovo provides commercial rights for AI generated voices on paid plans. The platform handles standard data protection but doesn’t publicly emphasize SOC2 or GDPR-style audit certifications the way enterprise platforms do. For most content creators, this is fine.
ウェルサイードラボ: WellSaid Labs complies with SOC2 Type 2 and GDPR standards for security. The platform also meets HIPAA, ADA, and WCAG accessibility standards, making it suitable for healthcare and government sectors. Closed AI models trained on exclusive licensed voice data add another layer of trust for regulated industries.
価格とコスト
料金プランを並べて比較してみましょう。
| プラン | ロボAI | ウェルサイドラボ |
|---|---|---|
| 無料／トライアル | 14日間無料トライアル | 7日間無料トライアル |
| エントリープラン | Basic — $24/month | Creative — $50/user/month |
| 中間計画 | Pro — $24/month | Business — $160/user/month |
| トッププラン | Pro+ — $75/month | Enterprise — Contact Sales |
Lovo AI: Lovo’s $24/month entry price is roughly half the cost of WellSaid Labs. You get access to a wide range of voices, voice cloning, and the built-in video editor at that price. The Pro+ plan at $75/month is aimed at agencies and stays well below WellSaid’s per-user team costs.
ウェルサイードラボ: WellSaid Labs uses per-user pricing, so a 5-person team on the Creative plan costs $250/month. The Business plan at $160/user/month is built for serious team collaboration and includes around 144 audio hours per year. Enterprise pricing is custom for large organizations and includes unlimited projects and security controls. The price reflects the studio-grade quality and compliance.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | ロボAI | Roughly half the entry price |
| 多言語コンテンツ | ロボAI | 100以上の言語に対応 |
| 音声クローン | ロボAI | カスタム 音声クローン 特徴 |
| Studio-grade English voices | ウェルサイドラボ | 120+ professional voices |
| Enterprise security (SOC2/GDPR) | ウェルサイドラボ | Full compliance built-in |
| Real-time API for builders | ウェルサイドラボ | Low-latency RESTful API |
| All-in-one creator toolkit | ロボAI | Includes video editor and AI writer |
💰 あなたの予算
Lovo AI starts at $24/month versus $50/user/month for WellSaid Labs. If you’re on a creator budget, Lovo gives you more room to experiment.
🌐 Your Language Needs
Lovo AI supports more than 100 languages and accents for global audiences. WellSaid Labs is English-only, which rules it out for multilingual projects.
🎬 コンテンツの種類
For YouTube videos, social media posts, audiobooks, and ads, Lovo AI’s all-in-one toolkit wins. For corporate training videos, product demos, and explainer videos at scale, WellSaid Labs delivers higher polish.
🎓 あなたの経験レベル
Lovo’s user-friendly interface is built for creators with no audio production experience. WellSaid Labs is also approachable, but the AI Director and HINTS features reward users who want fine-grained control.
🆓 無料トライアルとデモ
Lovo offers a 14-day free trial with up to 20 minutes of voice generation. WellSaid Labs offers a 7-day trial with sample voices. Both let you test before paying.
🛟 サポートオプション
Both platforms offer email and help-center support. WellSaid Labs adds dedicated enterprise support for Business and Enterprise plans, which suits Fortune 500 buyers.
🔒 データプライバシーとセキュリティ
WellSaid Labs is SOC2 Type 2 and GDPR compliant, with HIPAA, ADA, and WCAG accessibility standards met. If you work in healthcare, finance, or government, this matters more than voice count.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか？切り替える場合、どのような変更が予想されますか？
🔄 Lovo AIからWellSaid Labsに切り替えますか？
✅ 得られるもの：
- SOC2 Type 2 and GDPR compliance for regulated work
- きめ細かな音声指示を実現するHINTSテクノロジー
- Real-time RESTful API with low latency for builders
❌ 失うもの：
- 100+ languages and 500+ voices
- Voice cloning to create custom voices
- 内蔵ビデオエディター、AIライター、AIアートジェネレーター
📋切り替え方法：
- Export your scripts and audio files from Lovo AI
- WellSaid Labsの7日間無料トライアルに登録しましょう
- Pick a comparable English voice and rebuild your audio in WellSaid Studio
🔄 WellSaid LabsからLovo AIに切り替えますか？
✅ 得られるもの：
- 100以上の言語とアクセントで500以上の音声を収録
- Voice cloning and 30+ emotion options per voice
- An online video editor, AI writer, and AI art generator
❌ 失うもの：
- SOC2 Type 2 and GDPR compliance certification
- HINTS音声指示技術
- Real-time API and enterprise-grade team collaboration
📋切り替え方法：
- Export scripts and finished audio from WellSaid Studio
- Sign up for a Lovo AI 14-day free trial
- Pick a Lovo voice that matches your previous tone and regenerate your audio
What Our Review Didn’t Cover
This comparison focused on individual creators, agencies, and small-to-mid teams. We didn’t deeply test enterprise SSO setup, custom contract pricing for Fortune 500 deals, or large-scale API performance under heavy load. We also didn’t evaluate every one of the 500+ Lovo voices or all 120+ WellSaid voices — your specific voice match may differ from what we sampled. Our observations are based on the April 2026 versions of both platforms and features may have changed since.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | ロボAI |
| 🗣️ Voice Library Size | ロボAI |
| 🌍 言語サポート | ロボAI |
| 🎯 Voice Quality (English) | ウェルサイドラボ |
| 🎙️ 音声クローン | ロボAI |
| 🎬 Built-in Tools | ロボAI |
| 🔒 エンタープライズセキュリティ | ウェルサイドラボ |
| ⚙️ API for Builders | ウェルサイドラボ |
| 🏆総合優勝 | ロボAI |
🏆 WINNER: LOVO AI
Lovo AI wins 6 out of 8 categories.
最適な用途: YouTubers, content creators, multilingual marketers, e-learning teams, and agencies on a creator budget
Lovo AI and WellSaid Labs serve very different users.
Lovo AI is a creator-first AI voice generator with a huge library and built-in tools. It covers 100+ languages, supports voice cloning, and packs in a video editor, AI art generator, and AI writer.
WellSaid Labs is an enterprise-grade voice synthesis platform. It focuses on a smaller pool of high-quality English voices, SOC2 Type 2 and GDPR compliance, and a real-time API for builders.
WellSaid Labs is excellent for Fortune 500 teams, regulated industries, and product developers who need a real-time API.
However, if you need a broader voice library, multilingual support, voice cloning, and a lower price, Lovo AI is the better choice.
For most creators reading this, Lovo AI will deliver more value per dollar.
Lovo AIの比較をもっと見る
Lovo AIが他の競合他社と比べてどうなのか、以下に示します。
Lovo AI vs マーフ
Lovo AIが勝利した点： Larger 500+ voice library, 100+ languages, built-in AI art generator, and an integrated online video editor.
マーフの勝利条件： Simpler voice cloning workflow, additional editing features for raw recordings, and converting raw audio into studio-quality voiceovers.
Lovo AI vs Speechify
Lovo AIが勝利した点： Dedicated content creation toolkit, 30+ emotions per voice, voice cloning feature, and commercial rights bundled into paid plans.
Speechifyが勝利した点： Real-time transcription capabilities, smoother integration with everyday reading apps, and a stronger focus on text-to-speech for productivity.
Lovo AI vs イレブンラボ
Lovo AIが勝利した点： Built-in video editor and AI writer, simpler all-in-one workflow, and a larger pool of pre-made voices for non-technical creators.
ElevenLabsが勝利した点： research-grade voice synthesis quality, more advanced developer-focused API, and stronger voice cloning fidelity.
Lovo AI vs シンセシス
Lovo AIが勝利した点： Larger language and voice library, integrated video editor, and lower entry price for individual creators.
Synthesysが勝利した点： Strong AI avatar lineup for talking-head videos, focused presenter-style outputs, and a different visual studio approach to voice plus video.
WellSaid Labsの比較をもっと見る
WellSaid Labsが他の競合他社と比べてどのような位置づけにあるのか、以下に示します。
WellSaid Labs vs Murf
WellSaid Labsが勝利した点： SOC2 Type 2 and GDPR compliance, HINTS voice direction technology, and word-level pitch and pacing controls.
マーフの勝利条件： Voiceover sync with images, videos, and プレゼンテーション; AI voices in 20+ languages; and a free trial that includes 130+ voices.
WellSaid Labs vs ElevenLabs
WellSaid Labsが勝利した点： Enterprise-grade compliance certifications, central pronunciation repositories for teams, and licensed voice data trained from professional voice actors.
ElevenLabsが勝利した点： More flexible voice cloning options, faster shipping of new model versions, and a developer-first community around voice generation.
WellSaid Labs 対 Speechify
WellSaid Labsが勝利した点： Studio-quality voice production for corporate training videos, real-time API for product developers, and team collaboration features.
Speechifyが勝利した点： Consumer-friendly listening experience, mobile app for reading on the go, and lower pricing for individual personal use.
WellSaid Labs vs 説明
WellSaid Labsが勝利した点： Pure voice synthesis quality at 96 kHz, enterprise security stack, and dedicated voice direction tooling through HINTS.
説明文が勝つ点： Full audio and video editing in one tool, transcript-based editing workflow, and a creator-focused podcasting suite.
よくある質問
Lovo AIは何に使われていますか？
Lovo AI is used for creating realistic voiceovers for ads, social media posts, e-learning modules, audiobooks, podcasts, YouTube videos, commercials, and corporate training videos. The user friendly interface lets creators turn written text into engaging videos with high quality voiceovers, background music, and sound effects in minutes. The platform also includes a video editor, AI art generator, and AI writer, so creators can build full video content for stories, entertainment, and customers in one place — with super realistic voices that sound natural and human like voices that resemble AI yet still feel real.
WellSaid Labsは何に使われるのですか？
WellSaid Labs is a Seattle, Washington based company used by Fortune 500 brands and content teams to produce professional voiceovers at scale for commercial purposes. Common use cases include corporate training videos, product demos, explainer videos, podcasts, and audio assets for digital experiences. The platform applies deep learning and synthetic speech to generate speech in multiple voice styles from professionally written content, and the real-time API also lets product developers embed voice synthesis features into their own apps for customers who need text to speech software at scale.
Lovo AIは無料で利用できますか？
Yes — Lovo AI offers a 14-day free trial that lets you generate up to 20 minutes of AI voiceovers using advanced AI voices and the built-in voice generator and text editor. After the trial, paid plans start at $24/month and include HD royalty free images, AI avatars, and royalty free images for your video content. Creators on the free plan can also test the AI voice generation engine, edit content effortlessly inside the editor, and produce high quality videos before deciding whether to upgrade.
最もリアルなAI音声生成器は何ですか？
Both tools rely on artificial intelligence and deep learning to create realistic speech that sounds natural to most listeners. Lovo AI voices cover multiple languages and are often described as hard to distinguish from human speech, with high quality audio output and minimal background noise. WellSaid Labs reached 99th-percentile quality in voice generation by 2020 and uses text to speech technology trained on licensed studio recordings, which is the story WellSaid often shares with enterprise buyers looking for the perfect voice for their brand. If you want the best text reading experience without the wait of recording sessions, both produce high quality voices — Lovo wins on language coverage, WellSaid wins on consistency for English voiceovers.
Which is the best AI voice generator for emotion?
Lovo AI is the better choice if you want preset emotional control — its voices express more than 30 distinct emotions out of the box. WellSaid Labs takes a different angle with HINTS, letting you direct AI voice performance with contextual annotations like tempo or loudness adjustments. Both offer customizable advanced features that go beyond basic AI alternatives in this category, and creators report an unparalleled voiceover production experience compared to traditional studio recording. Pick Lovo for simple emotion presets, WellSaid for fine-grained voice direction.
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