Text-to-Speech · Real-Time Synthesis · Zero Cloud Fee
| Parameter | WT3000T8-32N | WT3000T3-32N | WT3000T-M01 |
|---|---|---|---|
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| Product Position | Entry-Level TTS Solution | Advanced Multi-Language TTS | Prototyping Module |
| Version Code | A Version | D Version | Module (T8 or T3 Base) |
| Chinese Synthesis | ✓ Mandarin | ✓ Mandarin | ✓ (Same as Base Chip) |
| English Synthesis | Letters Only (A, B, USB) | Full Sentences | Depends on Base Chip |
| Mixed Chinese-English | Basic | ✓ Seamless Code-Switching | Depends on Base Chip |
| Speed Control | Fixed (1.0x) | 0.5x ~ 2.0x Variable | M01-T8: Fixed / M01-T3: Variable |
| Pitch Control | Fixed | -5 ~ +5 Semitones | M01-T8: Fixed / M01-T3: Variable |
| Fixed Voice Storage | 30 seconds | 500 seconds (~8 min) | 30s (T8) / 500s (T3) |
| Synthesis Algorithm | Basic TTS Engine | Advanced Prosody Engine | Same as Base Chip |
| Processor | 32-bit, 240MHz | 32-bit, 240MHz | 32-bit, 240MHz |
| Package | QFN32 (4×4mm) | QFN32 (4×4mm) | Module 30×20mm |
| Audio Output | DAC (Ext Amp Required) | DAC (Ext Amp Required) | Built-in 2W Amplifier |
| Control Interface | UART TTL (9600 bps) | UART TTL (9600 bps) | UART + Pin Headers |
| Power Supply | 2.6V ~ 5.5V | 2.6V ~ 5.5V | 3.3V ~ 5V |
| Sleep Current | < 20μA | < 20μA | < 50μA |
| Operating Temp | -40 ~ +85°C | -40 ~ +85°C | -40 ~ +85°C |
| Best For | Simple Voice Feedback | Multi-Language Applications | Prototyping / Education |
WT3000T series offline TTS ICs are trusted by engineers worldwide for dynamic voice feedback in embedded systems. No cloud, no subscription, just real-time text-to-speech synthesis where you need it.
Bank, hospital, government offices · Real-time number/name calling · Multi-language announcements
Weight reading, BMI calculation · Blood pressure, temperature · Body composition analysis
Production status, alarm announcements · Safety warnings · Equipment operation guidance
Turn-by-turn directions · Vehicle status · Parking guidance · EV charging announcements
Understanding the fundamental difference between these two voice technologies helps you choose the right solution for your application.
| Comparison | TTS IC (WT3000T) | Voice Playback Chip (WT2003H/WTV) | Cloud TTS Service |
|---|---|---|---|
| Core Technology | Real-time text-to-speech synthesis | Pre-recorded MP3/WAV playback | Cloud-based ASR + TTS |
| Content Flexibility | Unlimited — speak any text | Limited — only pre-recorded files | Unlimited with internet |
| Dynamic Data | ✓ Numbers, names, addresses change real-time | ✗ Must record every possible combination | ✓ Fully dynamic |
| Voice Quality | Clear & Intelligible (Mechanical Tone) | High Quality (Natural Human Voice) | Very Natural (AI-Generated) |
| Storage Requirement | Minimal — only TTS engine firmware | Large — every audio file consumes Flash | Zero local storage |
| Internet Dependency | Zero — 100% Offline | Zero — 100% Offline | Requires stable internet |
| Latency | < 500ms (Local Synthesis) | < 100ms (Direct Playback) | 1-3 seconds (Network + Cloud) |
| Recurring Cost | Zero (One-Time Chip Cost) | Zero (One-Time Chip Cost) | Cloud API fees per request |
| Privacy | 100% Private — No Data Upload | 100% Private — No Connection | Text sent to cloud servers |
| Use Cases | Queue calling, smart scales, dynamic announcements | Fixed prompts, welcome messages, alarms | Smart speakers, conversational AI |
| Main Trade-off | Voice sounds mechanical, not emotionally expressive | Cannot speak unpredictable content | Requires internet, monthly fees, privacy concerns |
Not sure which TTS IC fits your project? Pick your scenario below and get a direct recommendation.
Smart scales, medical devices, simple announcements · Chinese + basic English · Budget priority
Pick WT3000T8-32N — Ultra-low Cost, Chinese + English Letters Support, 30s Fixed Storage, Ideal for Simple Dynamic Content
Airport, train station, tourist kiosks · Navigation systems · Bilingual products · Complex content
Pick WT3000T3-32N — Full Chinese + English sentences, 500s storage, seamless language switching, variable speed/pitch
Mass-market consumer electronics · > 10,000 units/month · Every $0.50 BOM cost matters
Pick WT3000T3-32N — Variable speed (0.5x ~ 2.0x) and pitch (-5 ~ +5) control for voice personality customization
Rapid prototyping, educational kits · Hackathons, DIY projects · Proof-of-concept · Low-volume pilot production
Pick WT3000T-M01 Module — Plug-and-play with built-in amplifier, breadboard-compatible, Arduino libraries included
Mass-market consumer electronics · Large-scale production · Designed for cost-sensitive embedded applications
Pick WT3000T8-32N Bare Chip — Lowest cost per unit, custom PCB integration, suitable for high-volume manufacturing
Start with prototyping, then scale to production · Minimize redesign risk
WT3000T-M01 Module (Prototype 100-500 units) → WT3000T8 Bare Chip (Production > 5000 units) · Same UART protocol, minimal firmware changes
Free UART protocol libraries, text synthesis tools, Arduino/ESP32 examples, and video tutorials — everything you need to integrate TTS IC into your product.
Windows GUI tool for testing TTS synthesis, adjusting speed/pitch, exporting UART commands. Perfect for prototyping and firmware development.
Free download with SDK. Start testing today.
Evaluation board · Reference schematics · UART protocol library · Arduino/ESP32/STM32 code · Voice file burning tool · SDK with examples · Video tutorials
All included — no extra cost, no hidden fees.
A TTS (Text-to-Speech) IC converts digital text into speech in real time. Users can send text commands through UART, and the chip generates voice output dynamically.
Voice playback chips only play pre-recorded audio files, which are suitable for fixed voice prompts. TTS ICs are better for applications where content changes frequently, such as numbers, names, measurements, and user-specific information.
WT3000T series focuses on clear and intelligible voice synthesis for embedded applications. It provides a cost-effective solution for devices that require dynamic voice output without the need for high-end natural voice effects.
It is suitable for applications such as smart scales, kiosks, industrial equipment, and voice-enabled devices.
No. WT3000T is an offline TTS solution with a built-in synthesis engine. Text is processed directly inside the chip through UART communication, without cloud services or network connection.
This provides faster response, lower system complexity, and better privacy protection.
WT3000T is designed for functional voice applications where clarity and reliability are the priority. The voice output is suitable for device prompts, notifications, measurements, and industrial instructions.
For applications requiring highly natural or emotional voices, higher-end voice solutions may be more suitable.
Yes. Many products combine TTS ICs and voice playback chips.
Playback chips can be used for fixed high-quality voice prompts, while WT3000T handles dynamic information such as numbers, names, and real-time data.
This hybrid architecture provides both natural voice experience and flexible content generation.
WT3000T supports RoHS compliance and industrial-grade operating temperature requirements.
Technical documents and test reports can be provided to assist customers with end-product certification.
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