Hi all,
I want to use a computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
Did anyone know a good PC program for data acquisition using the sound card? (vb , c++, matlab etc....)
Hi all,
I want to use a computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
Did anyone know a good PC program for data acquisition using the sound card? (vb , c++, matlab etc....)
VB can work
but matlab is usualy the best in processing signals
a=wavrecord(N,Fs,Ch)
this comand records and samples the input signal from the mic input as follows:
N: number of samples, it equals s*Fs where s is period of recording in seconds
Fs: sampling frequency
ch: number of input channels< mono or stereo
u can playback the recorded samples as follows:
wavplay(a,Fs)
hope that's useful