Hi, Anyone know of a sample program to do a simple audio loopback as I described below? Thanks.
Regards, Andy --- Andy Ngo <[EMAIL PROTECTED]> wrote: > Hi, > > Does anyone have or know if there's a sample DSP > loopback program that samples the AIC33 mic input > (like say 8Khz, mono, 16-bit) and then plays it > through the AIC33 headphone output? I know I can do > this on the ARM side by accessing the /dev/dsp > device, but I need to access the mic input and > headphone output directly from the DSP side. > Basically, I want to create a DSP codec that reads > from AIC33 mic input and sends the data to the ARM > side (via CE API) and vice versa: gets data from the > ARM side and writes it to the AIC33 headphone > output. I looked at the encode/decode examples in > the DVSDK but still don't know how to access ore > make use of the AIC33. Sorry, I'm very new to the > TI DSP development environment and don't know much; > I spent the last week just learning about xDAIS and > DSP/BIOS by going through the CCS 3.2 tutorial. > Your help is much appreciated. Thanks. > > Basic flow diagram: > > DSP side > > AIC33 > headphone output <------- DSP codec <--------- CE > API <--------- simple ARM application > > AIC33 > microphone input -------> DSP codec ---------> CE > API ----------> simple ARM application > > > Regards, > Andy Ngo > _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
