Sending signals to two channels of soundcard

Dear all

What function do I have to use to send a signal in one channel and the delayed version in the other channel? Or any suggestion on sending the signals to two different channels

Thank you

Answer 1

[Walter Roberson]

We cannot answer that question without information about your soundcard (built-in? attached to a DAQ? model?), and about what you mean by "channel" in this instance (left vs right?), and about whether you have the Data Acquisition toolbox.

We asked for that information in your previous question but you closed the question instead of providing the information.

[seme]

I'm sorry, I didn't get the your question last time , but my soundcard is built in and yes by channel I mean the left and right channels of the sound card. I am using matlalb in school and the installed software has the Data acquisition toolbox. I thank you for ur response and would like to hear from you about solving this challenge i have.

Thank you

[Walter Roberson]

See http://www.mathworks.com/help/daq/examples/generation-of-audio-using-the-sound-card.html

then it becomes your responsibility to ensure that the columns of data that you put to the channels are offset by the number of samples that comprise the delay.

Note: if the delay is not an exact multiple of the channel period (that is, 1 divided by the frequency), then you will need to use a fractional delay calculation, which is a bit of a nuisance.

[seme]

Thank you for your support,it helped me a lot!!