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Dahua WizTalk Redefines Residential Video Intercom with High-Resolution Video, Intelligence and Integrated Smart Control

2026-09-30

Dahua WizTalk Redefines Residential Video Intercom with High-Resolution Video, Intelligence and Integrated Smart Control
Wireless
Challenges in CCTV Technology Overview Video AI-ASP 16kHz Sampling High-Power Dual-Magnet Speaker Related Products
Challenges in CCTV
Lost Evidence
Lost Evidence
Limited Pick-up
Limited Pick-up
Heavy Echo
Heavy Echo
Acoustic Blind Spots
Acoustic Blind Spots
Weak Deterrence
Weak Deterrence
Unchecked Noise
Unchecked Noise
PureVoice
The Dawn of Acoustic Intelligence

PureVoice represents a generational leap from passive recording to acoustic control, transforming wireless security from basic audio capture into a premium, multidimensional listening experience.

PureVoice Acoustic Technology Architecture
1
Audio Capture
Audio Capture
AI-ASP

Extracts clear, meaningful speech from complex, noisy environments.

2
Audio Codec
Audio Codec
16kHz Sampling

Doubles audio sampling density to capture rich vocal details with high fidelity.

3
Audio Reproduction
Audio Reproduction
High-Power Dual-Magnet Speaker

Commands acoustic deterrence and hi-fi voice interaction.

AI-ASP AI-ASP
AI Noise Reduction
AI Noise Reduction

500+ Noise Types Suppressed
60dB Max Suppression Ratio

It combines a traditional signal processing approach with neural network training, utilizing massive scene data as samples to achieve more targeted audio processing results, such as noise reduction and detail restoration.

AI Beamforming
AI Beamforming

+30% Effctive Pick-up Distance Improvement

Integrating AI into Beamforming and dual MICs for comprehensive sound field perception, stripping environmental noise to ensure sharp vocal clarity.

AI Echo Cancellation
AI Echo Cancellation

35dB Residual Echo Reduction
30%+ Better Anti-Jitter Performance

It leverages classical signal theory, supplemented by deep learning technology,based on massive data. Classical signaltheory is used for induction andgeneralization.

AI-ASP: Proven Credentials
AI-ASP: Proven Credentials
AI-ASP: Proven
ACCEPTED PAPER · GLOBAL TOP TIER

IEEE International Conference on Acoustics, Speech and Signal Processing

Granted
PATENT
CNAS & CERPI
CERTIFIED LAB

Note: These credentials reflect Dahua’s audio innovation across its entire product portfolio and are not limited to AI-ASP technology.

16kHz Sampling 16kHz Sampling

Standard security audio tops out at 8kHz. PureVoice doubles bandwidth to 16kHz, capturing full human voice plus critical ambient sounds like glass breaks, key clinks and surface scratches.

16kHz Sampling
16kHz Frequency Coverage
2XInfo Sampling Density
Detail Expansion

Captures high-frequency harmonics beyond the 4kHz narrowband threshold for human-like clarity.

4kHz Cutoff (Narrowband)
8kHz Cutoff (Wideband)
Audio Frequency Spectrum
Audio Frequency Spectrum
High-Power Dual-Magnet Speaker High-Power Dual-Magnet Speaker
Surging Power: 2W & 110dB+

Utilizing a 2W high-power drive solution with optimized electro-acoustic efficiency. Achieves a peak sound pressure level of 110dB at 0.1 meter, ensuring extreme penetration through environmental noise.

Industrial Dual-Magnetic Unit
Industrial Dual-Magnetic Unit

Features a dual magnet circuit to maximize magnetic flux density. This architecture provides superior control for instant transient response, eliminating distortion even at maximum output levels.

Multimedia EQ Tuning
Multimedia EQ Tuning

Multimedia EQ tuning can help optimize the issue of excessive volume variance during audio playback to enhance auditory comfort. And it freely adjust the intensity of bass, midrange, and treble to customize audio playback styles.

Dahua Partner APP

Now with a fresh new look and lots of added features. Download the app today and enjoy your all-in-one business platform at your fingertips

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