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TLV320AIC3107: Audio Codec Noise Issue while recording the audio

Prodigy 50 points

Replies: 7

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Part Number: TLV320AIC3107

We are using the audio codec TLV320AIC3107IRSB in our design and facing some noise issues while recording the audio.  
Our observations are as follows.
1) When we played a downloaded file (non recorded) we are getting an rms
    voltage of 320mV and was loud enough
 
2) When we try to record by speaking closer to the mic we can hear our sound
    loud enough (less noise) and getting an rms voltage of around 320mV and
    when we try to record at a 50 cm distance from the mic we are getting more
    noise and recorded volume was low.
 
Could you help us to rectify this noise issue.