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ALC5642R-VF-CG 数据表(PDF) 47 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 47 Page - Realtek Semiconductor Corp. |
47 / 156 page ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 35 Rev. 0.93 Noise Gate Mode: The Noise Gate Function is use to reduce the noise floor for DAC path or ADC path. When input signal is below noise gate level, the input signal will be reduced by DRC/AGC volume in order to suppress the background noise. The reducing level can be set by register. And when input signal is above noise gate, the input signal will be boosted to target level. Fine tune parameters: Noise Gate Threshold: -36 ~ -82.5dB, 1.5dB/step, MX-B6[4:0] Noise Gate Attack Rate: T=(4*2^n)/sample rate, n = PR-06[4:0] Noise Gate Recovery Rate: T=(4*2^n)/sample rate, n = PR-02[12:8] Reducing Noise Level: 0 ~ 45dB, 3dB/step, MX-B6[15:12] Volume 0dB Input signal Output signal Target Level Attack Rate Recovery Rate Noise Gate Attack Rate Recovery Rate Noise Gate Target Level Noise Reduction Figure 21. DRC/AGC for Noise Gate Mode |
类似零件编号 - ALC5642R-VF-CG |
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类似说明 - ALC5642R-VF-CG |
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