https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/16bit-voice-input-from-PDM-microphones/m-p/1485860#M20462 <P>Dear support team,</P><P>&nbsp;</P><P>I am learning the audio function of RT11770-EVK and noticed by default the PDM microphone input data are 24bit.</P><P>Are there any guidelines to get 16bit microphone input data? For example, how can we efficiently convert the 24bit to 16bit w/o using too much CPU cycles?</P><P>&nbsp;</P><P>Regards,</P><P>yf</P> Thu, 07 Jul 2022 03:11:42 GMT yfliu 2022-07-07T03:11:42Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/16bit-voice-input-from-PDM-microphones/m-p/1485860#M20462 <P>Dear support team,</P><P>&nbsp;</P><P>I am learning the audio function of RT11770-EVK and noticed by default the PDM microphone input data are 24bit.</P><P>Are there any guidelines to get 16bit microphone input data? For example, how can we efficiently convert the 24bit to 16bit w/o using too much CPU cycles?</P><P>&nbsp;</P><P>Regards,</P><P>yf</P> Thu, 07 Jul 2022 03:11:42 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/16bit-voice-input-from-PDM-microphones/m-p/1485860#M20462 yfliu 2022-07-07T03:11:42Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/16bit-voice-input-from-PDM-microphones/m-p/1486481#M20492 <P>Will close this due to duplication with&nbsp;<A href="https://community.nxp.com/t5/i-MX-RT/16bit-voice-input-from-RT1170-EVK-PDM-microphones/m-p/1486480#M20491" target="_self">this new one</A>&nbsp;</P> Fri, 08 Jul 2022 01:38:37 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/16bit-voice-input-from-PDM-microphones/m-p/1486481#M20492 yfliu 2022-07-08T01:38:37Z