Diff: main.cpp

Revision:

1:5f34e59f97f7

Parent:

0:ff0b6f6ddb23

--- a/main.cpp	Wed Nov 11 19:16:20 2015 +0000
+++ b/main.cpp	Thu Nov 26 22:47:40 2015 +0000
@@ -12,7 +12,7 @@
 Ticker Audio_Sample_Ticker;
 
 // Audio Buffer
-#define BUFFERSIZE 30000 // Sample rate 10 Khz, 3 sec record 30*10^3 samples
+#define BUFFERSIZE 30000 // Sample rate 5 Khz, 3 sec record 30*10^3 samples
 uint16_t ABuffer[BUFFERSIZE]={0};
 // variables to store buffer position and lenght
 uint32_t BufferEnd=0;
@@ -60,7 +60,7 @@
             CurY=AHPF*(LastY+CurU-LastU);
             
             // Amplify, add dc offset and add to buffer;
-            AudioSignal=CurY*3.0f+0.5f;//*10.0f+0.5f);
+            AudioSignal=CurY*2.0f+0.5f;//*10.0f+0.5f);
             if (AudioSignal>1){
                 AudioSignal=1;
             }else if (AudioSignal<0){
@@ -94,7 +94,7 @@
         }else if (ButtonState) { //Button is unpressed
           if (!LastButtonState){ // first sample
               // Re-set Ticker object
-              Audio_Sample_Ticker.attach_us(&Audio_Sample, 75); // create 10Khz Ticker
+              Audio_Sample_Ticker.attach_us(&Audio_Sample, 50); // create 10Khz Ticker
            //   Buffer_i=0;
           }
           myled.write(0); // LED Off