Part Number:PROCESSOR-SDK-OMAPL138
Hello,
I recently purchased the OMAPL138 LCDK Development Board with DSP + ARM Processor with the goal of performing some real-time audio processing. I've successfully loaded the mcasp loop-back example where it takes audio data from the LINE_IN audio jack and transmits the same data to the LINE_OUT audio jack. By looking at the code given in the Starter Ware, I've located the RX and TX buffers used to store and transmit the audio information.
I'd like to take the audio data stored in the RX buffers and perform some audio processing on the data before transmitting the data out (i.e. low pass filter, echo filter, convolution, etc.) I found a past forum where someone was trying to do the same thing as me, and it was determined the audio data stored in the RX Buffers is compressed. I've attached the URL to the forum I've been looking at:
If the data stored in the RX buffers is compressed, is there some way I can decompress the compressed data so I can manipulate the audio data? The answer found in the forum involved working the AIC3106 codec, but I'd rather not working with the codec If I don't have to.
Thank you!
Parker Burton