

📊 Our Test Results:
- 🎯 Realizm głosu: WellSaid Labs 9/10 vs Hume AI 8.5/10 — WellSaid Labs wins
- ⚡ Zakres emocjonalny: WellSaid Labs 5/10 vs Hume AI 9.5/10 — Hume AI wins
- 💰 Stosunek jakości do ceny: WellSaid Labs 5/10 vs Hume AI 9/10 — Hume AI wins
- 🌍 Obsługa języków: WellSaid Labs 3/10 vs Hume AI 8/10 — Hume AI wins
- 🔒 Enterprise Security: WellSaid Labs 9.5/10 vs Hume AI 7/10 — WellSaid Labs wins

Are you looking for an ai voice tool that sounds natural and real?
Two platforms stand out in the voice synthesis space right now.
WellSaid Labs vs Hume AI is a matchup between enterprise audio quality and emotional intelligence.
WellSaid Labs offers 120+ studio-grade voice styles built for businesses.
Hume AI is a popular emotion recognition platform designed to analyze human emotion through voice facial expressions and tekst.
One focuses on polished recording for commercial purposes.
The other creates voices that actually feel human emotions.
I tested both platforms for four weeks to find out which one deserves your budget.
Przegląd
To give you the most accurate comparison, I tested WellSaid Labs and Hume AI side by side.
I spent weeks using each platform for podcasts, video content, and customer service audio.
I compared their natural sounding voices, pricing, language support, and overall quality.
Both tools use artificial intelligence and deep learning to generate speech from text.
But they take very different paths to get there.
I’m sharing my firsthand experience to help you make the right choice.
Czym jest WellSaid Labs?
WellSaid Labs is an enterprise-grade text to speech platform based in Washington.
It uses deep learning technology to convert written scripts into natural sounding voices.
WellSaid Labs offers over 120 ai voice avatars with different accents and voice styles.
The wellsaid studio is a web app where users can create, edit, and download voiceovers fast.
Fortune 500 companies use it for training videos, commercials, and digital experiences.
The story wellsaid labs tells is one of ethical AI built on licensed voice dane from real actors.

Laboratoria WellSaid
Enterprise ai voice platform with 120+ studio-quality voices. Create polished voiceovers for training, marketing, and entertainment content with a user friendly interface.
WellSaid Labs Pricing
Here’s what WellSaid Labs costs in 2026.
| Plan | Cena | Najlepsze dla |
|---|---|---|
| Test | Bezpłatny | Testing voices for 7 days |
| Twórczy | 50 USD/użytkownik/miesiąc | Solo creators and small projects |
| Biznes | 160 USD/użytkownik/miesiąc | Teams needing collaboration tools |
| Przedsiębiorstwo | Skontaktuj się ze sprzedażą | Large organizations with custom needs |

Bezpłatny okres próbny: Yes, 7 days with limited access to pre-selected voices. No credit card required to sign up.
Gwarancja zwrotu pieniędzy: No official refund policy. Some users report billing issues after cancellation.
📌 Notatka: WellSaid Labs offers commercial usage rights on all paid plans. The Creative plan gives you access to all voices and unlimited retakes for your audio projects.
⚠️ Warning: There is no permanent free plan. You must wait for the trial to end or upgrade. Multiple users report unexpected charges after cancellation, so double-check your billing.
Key Benefits of WellSaid Labs
Here’s why WellSaid Labs stands out for enterprise customers:
- Studio-Quality Audio: WellSaid Labs delivers up to 96 kHz audio. That’s broadcast-ready quality for YouTube videos, audiobooks, and commercials.
- 120+ Voice Avatars: Choose from a range of voices with different accents, ages, and styles. Each one has its own unique personality.
- HINTS Director Technology: This feature lets creators control pitch, pacing, and pronunciation at the word level. You get full control over how each line sounds.
- Enterprise Security: SOC2 Type 2, GDPR, HIPAA, and ADA compliance. Big businesses trust this platform for sensitive content.
- Współpraca zespołowa: Share projects, manage access levels, and create custom pronunciation guides that sync across your team.
- API for Product Developers: The RESTful API lets product developers add voice synthesis to their own app or tool with low latency.

WellSaid Labs Pros & Cons
✅ Pros
- Best text to speech quality for professional content
- Strong enterprise security with SOC2 and HIPAA
- HINTS gives word-level voice control for stories and scripts
- Ethical AI built on licensed voice actor data
❌ Cons
- English only — no other languages supported
- No voice cloning feature available
- Starting price of $50/month is steep for solo creators
- Limited emotional range in generated voices
Czym jest Hume AI?
Hume AI is a new ai with emotional intelligence that goes beyond basic text to speech.
It’s an emotion recognition platform designed to analyze human emotions through voice, facial expressions and text.
Hume AI was founded by Dr. Alan Cowen, who is a cognitive scientist. The ceo of hume ai is now Andrew Ettinger after Dr. Cowen joined Google DeepMind in early 2026.
The platform uses multimodal emotion recognition to read emotional expressions from audio and emotional indicators like smiling frowning and eyebrow movements in video.
Hume AI’s Octave TTS focuses on capturing subtle cues in language to create voices that respond to human emotion.

🏆 Winner: Hume AI
The first emotional ai platform that reads and responds to human feelings. Create voices with real emotional depth using Octave TTS and the Empathetic Voice Interface.
Cennik Hume AI
Hume AI has one of the most flexible pricing structures in the ai voice space.
| Plan | Cena | Najlepsze dla |
|---|---|---|
| Bezpłatny | $0 | Testing with 10,000 characters/month |
| Rozrusznik | $3 | Hobbyists and small experiments |
| Twórca | $14 | Content creators needing commercial rights |
| Zawodowiec | $70 | Professionals with high volume needs |
| Skala | $200 | Growing teams and agencies |
| Biznes | $500 | Duże organizacje |
| Przedsiębiorstwo | Skontaktuj się ze sprzedażą | Custom deployments with compliance |

Bezpłatny okres próbny: Yes, a permanent free plan with 10,000 characters per month. No credit card needed.
Gwarancja zwrotu pieniędzy: Not publicly stated. The pay as you go model for Expression Measurement keeps costs flexible.
📌 Notatka: Commercial license starts at the $3 Starter plan. The Creator plan at $14/month unlocks unlimited voice cloning. The Expression Measurement API uses separate pay as you go pricing for analyzing user emotions in video and audio.
⚠️ Warning: Overage charges can add up fast. If you go past your character limit, you’ll pay extra. The free plan charges $0.15 per 1,000 extra characters. Higher tiers drop to $0.04 per 1,000.
Key Benefits of Hume AI
Here’s why Hume AI is changing how we think about ai voice technology:
- Emotional AI Voices: Hume AI aims to create emotionally attuned voices that understand context. The Octave TTS reads your script and adds the right emotions and speaking styles automatically.
- Empathetic Voice Interface (EVI): EVI 3 launched in 2025 with ultra-low latency. It can respond to human emotion in real-time conversations for personalized and empathetic interactions.
- Klonowanie głosu: Clone any voice with just a 15-second sample. It works across all 11 supported languages with natural accent prediction.
- Multimodal Analysis: Hume’s ai algorithms use voice video and text data to detect a range of emotions. It can analyze tone pitch speed and pauses in speech.
- 11+ Languages: English, Japanese, Korean, Spanish, French, Portuguese, Italian, German, Russian, Hindi, and Arabic.
- Affordable Entry: Start free and scale up. The Creator plan at $14/month gives you everything most creators need.

Hume AI Pros & Cons
✅ Pros
- Industry-first emotional ai with real feeling in voice output
- Free plan available with no credit card required
- Voice cloning from just 15 seconds of audio
- 11+ languages with emotional depth across all of them
- Pay as you go option for emotion measurement tools
❌ Cons
- Hume AI has a steep learning curve for beginners
- Scalability might present challenges with overage costs
- Enterprise security features lag behind WellSaid Labs
- Voice realism slightly below WellSaid for pure narration
Porównanie funkcji
Ready to dive into a detailed comparison of WellSaid Labs vs Hume AI?
We’ll explore 10 key features to help you pick the right tool for your needs.
| Funkcja | Laboratoria WellSaid | Sztuczna inteligencja Hume'a |
|---|---|---|
| Cena wywoławcza | 50 USD/użytkownik/miesiąc | $0 (Free plan) |
| Bezpłatny plan | ❌ (7-day trial only) | ✅ (10,000 chars/month) |
| Emotional AI | ❌ | ✅ |
| Klonowanie głosu | ❌ | ✅ |
| Języki | English only | 11+ languages |
| Biblioteka głosowa | 120+ voices | Custom + cloned voices |
| Dostęp do API | ✅ | ✅ |
| Enterprise Security | SOC2, HIPAA, GDPR | GDPR, BAA eligible |
| Audio Quality | Up to 96 kHz | High quality (standard) |
| Najlepsze dla | Enterprise narration | Emotional voice apps |
1. Jakość głosu i realizm
Laboratoria WellSaid: This is where WellSaid Labs truly shines. The studio produces broadcast-ready audio at up to 96 kHz. Voices sound polished and professional. They’re perfect for corporate training, audiobooks, and video content at scale. WellSaid achieved 99th-percentile voice quality by 2020.

Sztuczna inteligencja Hume'a: Hume AI’s Octave TTS delivers good audio quality with under 200ms latency. The voices sound natural but focus on emotional depth rather than raw polish. For pure narration without emotion, WellSaid edges ahead. But for conversations that need feeling, Hume wins.
2. Emotional Intelligence
Laboratoria WellSaid: WellSaid Labs has no emotion recognition technology. Its voices are customizable for pacing and pitch, but they don’t read or respond to emotional context. You manually set the tone of voice for each script.
Sztuczna inteligencja Hume'a: This is Hume AI’s biggest strength. The emotion recognition algorithms interpret subtle cues in both input and output. Hume AI can analyze a customer’s tone of voice during a support call or detect emotional responses in real time. The Empathetic Voice Interface is designed to read and respond to human emotions naturally.

3. Klonowanie i dostosowywanie głosu
Laboratoria WellSaid: WellSaid Labs does not offer voice cloning. Instead, it provides a library of 120+ pre-built voice avatars. The HINTS feature gives you customizable control over pacing, loudness, and pronunciation. But you can’t clone your own voice.

Sztuczna inteligencja Hume'a: Hume AI lets you clone any voice from just a 15-second audio sample. It works across all 11 languages. The TTS Creator Studio gives creators full control over voice personas with text prompts. You can describe the voice you want and Hume builds it.

4. Obsługa języków
Laboratoria WellSaid: WellSaid Labs only supports English. This is a major limitation for global businesses. In 2026, being restricted to one language puts it behind most competitors.
Sztuczna inteligencja Hume'a: Hume AI supports 11+ languages including English, Japanese, Korean, Spanish, French, and Arabic. Each language gets the same emotional intelligence treatment. More than 20 additional languages are in development.
⚠️ Warning: If you need multilingual voices for global video content, WellSaid Labs is not the right choice. Hume AI is the clear winner here.
5. API and Developer Tools
Laboratoria WellSaid: WellSaid Labs features a RESTful API for real-time text-to-speech with low latency. Product developers can add voice features to their own tools. But API access often requires enterprise pricing, which can lock out smaller teams.

Sztuczna inteligencja Hume'a: Hume AI offers a streaming API that works for both Octave TTS and the Empathetic Voice Interface. The Expression Measurement API lets developers track emotion trends in user data. Access starts from the free plan, making it friendlier for indie developers.
6. Enterprise and Security
Laboratoria WellSaid: WellSaid Labs is the stronger choice for enterprise security. It complies with SOC2 Type 2, GDPR, HIPAA, ADA, and WCAG standards. It uses closed AI models trained on exclusive, licensed voice data. That matters for healthcare and government use.

Sztuczna inteligencja Hume'a: Hume AI meets GDPR standards and supports HIPAA through a signed BAA on eligible plans. But it doesn’t match WellSaid’s depth of enterprise compliance. For highly regulated industries including customer service healthcare and market research, WellSaid is safer.
7. Use Cases and Industries
Laboratoria WellSaid: Best for corporate training, e-learning, marketing videos, and professional audiobooks. WellSaid Labs is used across industries by Fortune 500 companies for polished, on-brand narration that sounds the same every time.
Sztuczna inteligencja Hume'a: Hume AI is used across industries, including customer service, healthcare, and market research. It powers emotionally aware video generation for gaming NPCs that respond to player emotions. In healthcare, it helps monitor patient emotions for better care. The customer experience mental health applications are growing fast.

8. Łatwość użytkowania
Laboratoria WellSaid: WellSaid Studio has a clean, user friendly interface. Type your script, pick a voice, and play it back. The learning curve is gentle. Most users can create their first voiceover in minutes without any technical knowledge.
Sztuczna inteligencja Hume'a: Hume AI has a steep learning curve for beginners due to its advanced features. The platform is powerful but complex. Product developers will feel at home. But casual creators may need time to learn the tools.
9. Voice Direction and Control
Laboratoria WellSaid: The HINTS technology lets you direct AI voices like a real voice director. You can nest annotations across long scripts to adjust tempo, loudness, and emphasis. This gives you fine-grained control over every word in the recording.

Sztuczna inteligencja Hume'a: Hume AI uses natural language prompts to control voice output. Instead of manual annotations, you describe the voice persona you want. The AI then interprets context, emotions and speaking styles on its own. It’s less manual but also less precise than HINTS.
10. Pricing and Cost
| Plan Level | Laboratoria WellSaid | Sztuczna inteligencja Hume'a |
|---|---|---|
| Bezpłatny | 7-day trial only | $0 (permanent free plan) |
| Entry Paid | 50 USD/użytkownik/miesiąc | 3 dolary / miesiąc |
| Mid Tier | 160 USD/użytkownik/miesiąc | $14-$70/month |
| Przedsiębiorstwo | Skontaktuj się ze sprzedażą | Skontaktuj się ze sprzedażą |
Laboratoria WellSaid: Starting at $50/user/month, WellSaid Labs is priced for businesses with serious budgets. You get studio-quality output and enterprise security. But solo creators and small teams may find the cost hard to justify.
Sztuczna inteligencja Hume'a: Hume AI starts at $0 with a free plan. The $3 Starter plan gives you commercial rights. The $14 Creator plan unlocks unlimited voice cloning. For most users, Hume AI delivers far more value per dollar spent.

Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | Sztuczna inteligencja Hume'a | Free plan + $3 entry tier |
| Enterprise narration | Laboratoria WellSaid | 96 kHz studio-grade audio |
| Emotional AI voices | Sztuczna inteligencja Hume'a | Only platform with emotion AI |
| Multilingual content | Sztuczna inteligencja Hume'a | 11+ languages supported |
| Klonowanie głosu | Sztuczna inteligencja Hume'a | 15-second sample cloning |
| Regulated industry | Laboratoria WellSaid | SOC2, HIPAA, ADA compliance |
| Przyjazne dla początkujących | Laboratoria WellSaid | Simpler studio interface |
💰 Your Budget
If you’re on a tight budget, Hume AI is the obvious pick. You can start free and upgrade to $3/month for commercial rights. WellSaid Labs starts at $50/month with no free plan, which is a big ask for solo creators.
🔌 Your Tech Stack
WellSaid Labs integrates with Adobe Premiere and Canva for video editing. Hume AI works better with custom builds through its streaming API. If you build your own app, Hume gives you more tools to play with.
📝 Your Content Type
For polished narration in training videos and audiobooks, WellSaid Labs delivers superior studio quality. For conversational AI, gaming NPCs, or emotionally aware customer service agents, Hume AI is the better tool.
🎓 Your Experience Level
Beginners should start with WellSaid Labs. Its studio is simple to use and you don’t need any coding skills. Hume AI is more powerful but harder to learn. Developers and tech-savvy users will get more out of it.
🆓 Free Trials and Demos
Hume AI gives you a permanent free plan. You don’t have to wait or sign up with a credit card. WellSaid Labs only offers a 7-day trial with limited voice access. Test Hume AI first since there’s no risk.
🛟 Support Options
WellSaid Labs provides live chat support on paid plans and dedicated account teams for enterprise customers. Hume AI offers chat and email support, with onboarding help on higher tiers. Both platforms have documentation for self-service.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from WellSaid Labs to Hume AI?
✅ What you’ll gain:
- Emotional intelligence in every voice you generate
- Voice cloning from just 15 seconds of audio
- 11+ languages instead of English only
❌ What you’ll lose:
- SOC2 and HIPAA-grade enterprise security controls
- 120+ pre-built studio-quality voice avatars
- HINTS word-level voice director technology
📋 How to switch:
- Download all your audio projects from WellSaid Studio
- Sign up for Hume AI free plan and test your scripts
- Upgrade to Creator plan for commercial use and voice cloning
🔄 Switching from Hume AI to WellSaid Labs?
✅ What you’ll gain:
- 96 kHz broadcast-ready audio for professional narration
- HINTS director tech for fine-grained voice control
- Enterprise-grade security for regulated industries
❌ What you’ll lose:
- Emotional AI and emotion recognition features
- Voice cloning and custom voice persona creation
- Multilingual support and the free plan
📋 How to switch:
- Export your Hume AI voice projects and scripts
- Start a 7-day free trial at WellSaid Labs
- Re-record your scripts using WellSaid voice avatars
Ostateczny werdykt
| Kategoria | Zwycięzca |
|---|---|
| 💰 Pricing | Sztuczna inteligencja Hume'a |
| 🎯 Voice Quality | Laboratoria WellSaid |
| 🧠 Emotional Intelligence | Sztuczna inteligencja Hume'a |
| 🌍 Language Support | Sztuczna inteligencja Hume'a |
| 🔐 Enterprise Security | Laboratoria WellSaid |
| 👶 Ease of Use | Laboratoria WellSaid |
| 🎙️ Voice Cloning | Sztuczna inteligencja Hume'a |
| ⚡ Innovation | Sztuczna inteligencja Hume'a |
| 🏆 Overall Winner | Sztuczna inteligencja Hume'a |
🏆 WINNER: Hume AI
Hume AI wins 5 out of 8 categories.
Best for: Emotional voice apps, multilingual content, budget-friendly voice generation, and developers building conversational AI.
WellSaid Labs and Hume AI serve very different customers.
WellSaid Labs excels at studio-quality narration for enterprise teams.
Hume AI leads in emotional ai, voice cloning, and affordable pricing.
If you work in a regulated industry and need the best audio quality, WellSaid Labs is excellent.
But if you want voices that actually feel something, Hume AI is the better choice.
Hume AI gives you more features at a fraction of the cost.
Now go out and create voices that truly connect with your customers!
More of WellSaid Labs Compared
Here’s how WellSaid Labs stacks up against other competitors:
WellSaid Labs wins on: Enterprise security, studio audio quality
Murf wins on: 20+ languages, voice cloning, lower price
WellSaid Labs kontra Speechify
WellSaid Labs wins on: Professional narration, HINTS director tools
Speechify wins on: Mobile access, more affordable plans
WellSaid Labs wins on: Voice variety, enterprise compliance
Descript wins on: Video editing built-in, overdub feature
WellSaid Labs kontra ElevenLabs
WellSaid Labs wins on: Enterprise security, ethical voice sourcing
ElevenLabs wins on: 29+ languages, voice cloning, lower pricing
WellSaid Labs vs Play.ht
WellSaid Labs wins on: Audio quality, team collaboration
Play.ht wins on: Free tier, podcast hosting, API pricing
WellSaid Labs wins on: Voice realism, enterprise features
Lovo wins on: Video creation, multilingual support
WellSaid Labs wins on: Professional audio output, brand consistency
Listnr wins on: Podcast creation, lower starting price
WellSaid Labs kontra Podcastle
WellSaid Labs wins on: Voice quality, HINTS customization
Podcastle wins on: Podcast editing, free plan availability
WellSaid Labs kontra Dupdub
WellSaid Labs wins on: Enterprise security, team tools
Dupdub wins on: Multilingual support, avatar creation
WellSaid Labs wins on: Audio fidelity, professional output
Revoicer wins on: One-time pricing, budget-friendly
WellSaid Labs kontra ReadSpeaker
WellSaid Labs wins on: Voice naturalness, modern interface
ReadSpeaker wins on: Accessibility compliance, multilingual
WellSaid Labs kontra NaturalReader
WellSaid Labs wins on: Studio quality, enterprise features
NaturalReader wins on: Free tier, document reading, price
WellSaid Labs wins on: Voice variety, team collaboration
Zmieniony wins on: Voice morphing, creative voice effects
WellSaid Labs wins on: Realism, professional output quality
Speechelo wins on: One-time payment, simplicity
WellSaid Labs vs TTS OpenAI
WellSaid Labs wins on: Voice diversity, enterprise security
TTS OpenAI wins on: API simplicity, GPT integration
More of Hume AI Compared
Here’s how Hume AI stacks up against other competitors:
Sztuczna inteligencja Hume'a kontra TTSOpenAI
Hume AI wins on: Emotional AI, voice cloning, multimodal analysis
TTSOpenAI wins on: GPT integration, simplicity, API ease
Sztuczna inteligencja Hume'a kontra Murf
Hume AI wins on: Emotion recognition, conversational AI
Murf wins on: Video sync, 20+ languages, voice quality
Hume AI kontra Speechify
Hume AI wins on: Emotional depth, developer tools
Speechify wins on: Mobile app, ease of use, reading features
Hume AI wins on: Emotion AI, multilingual voice cloning
Descript wins on: Video editing suite, overdub, transcription
Hume AI wins on: Emotional intelligence, emotion measurement
ElevenLabs wins on: Voice realism, 29+ languages, speed
Hume AI vs Play.ht
Hume AI wins on: Emotion-aware generation, EVI interface
Play.ht wins on: Podcast hosting, audio widget embed
Hume AI vs Lovo
Hume AI wins on: Multimodal analysis, developer API
Lovo wins on: Video creation, voice library size
Hume AI wins on: Emotional AI, custom voice creation
Listnr wins on: Podcast tools, simpler workflow
Hume AI wins on: Emotion recognition, voice cloning
Podcastle wins on: Podcast editing, recording tools
Hume AI wins on: Emotional intelligence, developer tools
Dupdub wins on: Avatar video creation, ease of use
Hume AI wins on: Emotion AI, multilingual support
Revoicer wins on: One-time purchase, no subscription
Hume AI wins on: Emotional depth, modern AI models
ReadSpeaker wins on: Accessibility focus, legacy support
Hume AI wins on: Voice cloning, conversational AI
NaturalReader wins on: Document reading, free plan, price
Hume AI wins on: Emotion measurement, multilingual TTS
Altered wins on: Voice morphing, performance capture
Hume AI wins on: Emotional AI, modern technology
Speechelo wins on: One-time price, beginner simplicity
Często zadawane pytania
What is WellSaid Labs used for?
WellSaid Labs is used for creating professional voiceovers from written text. Businesses use it for training videos, marketing content, audiobooks, podcasts, and e-learning courses. The platform is designed for enterprise teams that need consistent, high-quality audio at scale. It is especially popular for corporate training where brand voice consistency matters.
Who is the CEO of Hume AI?
The ceo of hume ai is Andrew Ettinger as of 2026. He took over after founder Dr. Alan Cowen joined Google DeepMind through a major licensing agreement. Dr. Cowen originally founded Hume AI as a cognitive scientist focused on the science of emotions. Hume AI and explore its tools at hume.ai if you want to test the platform.
What is the best Hume AI alternative?
The best hume ai alternative depends on what you need. For pure voice quality, ElevenLabs is a top pick. For emotionally aware video generation, Tavus allows developers to create personalized videos and digital twins. For speech to text transcription with sentiment analysis, AssemblyAI is one of the most useful emotion recognition tools available. Speechmatics is another option, though it cannot combine facial or contextual text analysis like Hume AI can. Replika is an AI chatbot that recognizes and responds to user emotions during text-based conversations, but it cannot analyze voice tone or facial expressions.
Is WellSaid Labs free?
No, WellSaid Labs is not free. It offers a 7-day free trial with limited access to pre-selected voices. After that, you need to sign up for a paid plan starting at $50/user/month. There is no permanent free plan. Hume AI does offer a free plan with 10,000 characters per month if you need a free option for converting text to natural speech.
How much does Hume AI cost?
Hume AI starts at $0 with a free plan. Paid plans begin at $3/month for the Starter tier. The Creator plan costs $14/month and includes unlimited voice cloning. The Pro plan is $70/month, Scale is $200/month, and Business is $500/month. Enterprise pricing is custom. The hume ai review alternatives 2025 showed these prices are among the lowest for any emotional ai platform. Its emotion recognition technology provides real-time data on user feelings. This recognition technology provides insights into how people respond to voice content. The Expression Measurement API uses separate pay as you go pricing, so you only pay for what you use when you need Hume AI to detect emotional states in audio or video.













