Audio IP for SMIC
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Audio IP
for SMIC
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Up to 105 dB of SNR, 24-bit stereo CODEC with PDM to PWM transmodulator DAC and embedded regulaor
- Wind Noise filter to reduce noise during recording in an vehicle
- Pop-Up Noise Reduction System with predictable level and zero-crossing gain transition
- Embedded regulator (nLR) which provide the best resilience to noise on power lines
- Self adaptive recording of sound level with Automatic Gain Control (AGC)
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Audio CODEC
- This audio codec integrates 2-channel 24-bit sigma-delta ADCs and 2-channel 24-bit sigma-delta DACs, and fractional audio PLL to support a wide range of sample rates.
- The input paths support stereo FM/LINE input, two analogue and two digital microphones.
- The output paths support stereo line output and stereo headphone output.
- It is suitable for low power portable audio applications.
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95 dB of SNR, 24-bit audio CODEC with headphone output and line-out
- Robust architecture enabling to maintain the audio performance after integration thanks to the patented PLL-less solution
- Pop-Up Noise Reduction system
- High audio performances measurable with test equipment not specific to audio measurement
- Optimal sound recording performances thanks to the Automatic Gain Control
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Up to 105 dB of SNR, 24-bit stereo CODEC with PDM to PWM transmodulator DAC and embedded regulator
- 1 stereo microphone input or Line-in (SE or diff.)
- 1 digital microphone interface
- 1 stereo bitstream output for external amplifier
- Data & Control interface
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Up to 105 dB of SNR, 24-bit mono CODEC with PDM to PWM transmodulator DAC and embedded regulator
- Wind Noise filter to reduce noise during recording in an vehicle
- Pop-Up Noise Reduction System with predictable level and zero-crossing gain transition
- Embedded regulator (nLR) which provide the best resilience to noise on power lines
- Self adaptive recording of sound level with Automatic Gain Control (AGC)
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105 dB of SNR, 24-bit audio CODEC with voice detection feature
- Efficient support of voice recognition with independent PGA and AGC preventing audio signal against saturation
- Anti pop-up noise signal to drive sound amplifier
- Voice detection feature to wake-up the recognition system by voice
- Reduce environment disturbance and enhance the voice recognition thanks to Motor noise filter
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95 dB of SNR, 24-bit audio CODEC with headphone output and line-out
- Robust architecture enabling to maintain the audio performance after integration thanks to the patented PLL-less solution
- Pop-Up Noise Reduction system
- High audio performances measurable with test equipment not specific to audio measurement
- Optimal sound recording performances thanks to the Automatic Gain Control
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Always-on Voice Activity Detection interfacing with analog microphones
- Voice activity detector enables drastic reduction in power consumption
- Self-adjustment to background noise
- Ambient Noise sensing
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Always-on Voice Activity Detection interfacing with analog microphones
- Voice activity detector enables drastic reduction in power consumption
- Self-adjustment to background noise
- Ambient Noise sensing
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Audio CODEC with 100 dB Dynamic Range, 24-bit stereo PWM DAC, six-channel ADC
- WhisperTrigger-d - Ultra-low power always-on voice detection
- Embedded low noise voltage regulator for best resilience to power supply noise
- Automatic Gain Control (AGC)
- Wind Noise Filter (WNF)
