RNNoise
A recurrent neural network for real-time audio noise reduction.
Updated 15d ago
PricingFree
Free
Audio Noise Reduction
Speech Enhancement
DeepComplexCRN (DCCRN)
4.8
Free Highly regarded in the research community for achieving state-of-the-art results in the DNS challenge. Users praise its phase-preservation capabilities which outperform older models like RNNoise.
State-of-the-art complex-valued convolutional recurrent networks for high-fidelity speech enhancement.
DevelopmentFree pricingUpdated 2026-03-17
Best fits
Noise suppressionSpeech dereverberation
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About DeepComplexCRN (DCCRN)
DeepComplexCRN (DCCRN) is a sophisticated deep learning architecture specifically engineered for real-time speech enhancement and noise suppression. Originally gaining prominence in the Deep Noise Suppression (DNS) Challenge, DCCRN differentiates itself by utilizing complex-valued neural network components—including complex-valued convolutions and LSTMs—to effectively model both the magnitude and phase information of the Short-Time Fourier Transform (STFT). This approach allows for significantly cleaner signal reconstruction compared to traditional magnitude-only masking techniques. By 2026, the model remains a cornerstone for embedded AI and real-time communication systems, providing an optimal trade-off between computational complexity and audio quality (measured via PESQ and STOI scores). Its architecture utilizes an Encoder-Decoder structure with skip connections, ensuring that high-frequency details are preserved during the denoising process. Developers often deploy DCCRN within frameworks like SpeechBrain or ESPnet, targeting low-latency environments such as VoIP, hearing aids, and smart-home voice interfaces where phase-awareness is critical for intelligibility in non-stationary noise environments.
Core Capabilities
DeepComplexCRN (DCCRN) is a sophisticated deep learning architecture specifically engineered for real-time speech enhancement and noise suppression.
