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Offline Voice Recognition Module NRK3301
The NRK3301 Voice Recognition Module delivers offline AI control, far-field 5-meter accuracy, and noise-resistant precision. Powered by a 32-bit RISC core and advanced TDNN neural network, it supports up to 100 voice commands with multi-format audio decoding. Ideal for smart home, IoT, and embedded systems, this is the voice recognition module that guarantees real-time response—even in noisy environments.
Smarter Control Starts with Smarter Voice Recognition
The Voice Recognition Module That Gets It Right—Even From 5 Meters Away
Introducing the NRK3301 Voice Recognition Module — built for precision, powered by AI, and designed for performance. Whether it’s smart appliances, lighting systems, or toys, this module brings reliable offline voice command control where it matters most.
Built-In AI, Built for Noise, Built for Smart Devices
Say goodbye to false triggers and missed commands.
The NRK3301 uses a cutting-edge TDNN neural network algorithm, enabling offline voice recognition with 5-meter far-field accuracy, even in noisy environments. With an onboard noise suppression engine, it cuts through static, fans, and environmental chatter to lock onto your voice.
Key Features:
- Sampling Rates: 8 to 48KHz
- Core: 32-bit RISC @240MHz with floating point support
- Audio Decoding: MP3, WAV, WMA, FLAC, AAC & more
- Bluetooth Audio: Supports SBC, AAC & mSBC codecs
- Dual 16-bit DAC, SNR ≥ 95dB
All-in-One Module for Every Smart Solution
Why choose NRK3301? Because it saves time, space, and cost—without compromising on quality.
✅ Offline Voice Control – No cloud, no lag, no privacy risk
✅ 1MB SPI Flash – Store up to 100 commands locally
✅ Full Bluetooth 5.1 Stack – Including A2DP, HFP, SPP, and more
✅ USB 2.0 OTG + I2S + PWM + UART – Broad peripheral support
✅ Low Voltage Operation: Runs on DC 2.2V–5.5V
From smart bathrooms to home automation, from intelligent motors to interactive toys, this is the voice recognition module you can embed and forget—because it just works.
Make Your Products Smarter—Start with the Right Module
Don’t let your next-generation smart device be limited by yesterday’s tech. Upgrade to the NRK3301 voice recognition module today.
📩 Contact us now for datasheets, SDK, and volume pricing. Custom order is acceptable.
💼 Partner with Guangzhou Nine Chip Electron — your reliable voice chip provider.
