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ALC5642R-VF-CG 数据表(PDF) 46 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 46 Page - Realtek Semiconductor Corp. |
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46 / 156 page  ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 34 Rev. 0.93 Playback/Recording Mode: For DAC playback or ADC recording mode, when the input signal exceeds target threshold, the signal will decr ease “DRC/AGC Digital Volume” (0.375dB/step at every zero-crossing) until drop to target level then keep the digital volume. When input signal is below the target threshold, the signal will step-up “DRC/AGC Digital Volume” (0.375dB/step every zero-crossing) until return to original level. If want to return to the target level, need to set the pre-gain to achieve. Fine tune parameters: Limiter Threshold: 0 ~ -46.5dB, 1.5dB/step, MX-B6[11:7] Attack Rate: T=(4*2^n)/sample rate, n = MX-B4[12:8] Recovery Rate: T=(4*2^n)/sample rate, n = MX-B4[4:0] Volume 0dB Input signal Output signal Target Level Attack Rate Recovery Rate Figure 20. DRC/AGC for Playback/Recording 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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