MATLAB: Can any one help me about recording sound with samsung Note2 internal microphone? Can any one has information about samsung internal characterstics such as frequency rates recording and it’s db recording

sound processingsound recording

I want use samsung note 2 for recording industrial noise which is between 1khz to 8 khz probably. Can any one help me about samsung internal microphone characterstics?

Best Answer

http://blogs.cdc.gov/niosh-science-blog/2014/04/09/sound-apps/

It also depends on the model of Galaxy Note 2. See http://en.goldenears.net/17280

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MATLAB: Play a sound at certain frequency and recording it simultaneously

To simultaneously play and record:

Create the audioPlayerRecorder object and set its properties.
Call the object with arguments, as if it were a function.

For more information, see:

https://in.mathworks.com/help/audio/ref/audioplayerrecorder-system-object.html?searchHighlight=record%20while%20playing

MATLAB: How to remove the noise from the wav file

One channel contains some noise and the other not? So all you want to do is to remove one channel, such that you have a mono wav file?

Info   = audioinfo(FileName);
Signal = audioread(FileName);
audiowrite('Output.wav', Signal(:,1), Info.SampleRate);

Or maybe Signal(:,2).

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MATLAB: Play a sound at certain frequency and recording it simultaneously

MATLAB: How to remove the noise from the wav file

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