Corrected array size, save 16kByte

analyze_fft4096_iq_F32.h

@@ -92,6 +92,7 @@
  *   no matter how it is scaled, but this factor needs to be considered
  *   when building the INO.
  */
+ // Corrected sumsq[] array size.  RSL 31 Dec 2022
 
 #ifndef analyze_fft4096iq_h_
 #define analyze_fft4096iq_h_
@@ -237,7 +238,8 @@ private:
   float window[4096];
   float *pWin = window;
   float fft_buffer[8192];
-  float sumsq[8192];  // Avoid re-use of output[]
+// Was  float sumsq[8192];  // Avoid re-use of output[]
+  float sumsq[4096];    // 31 Dec 2022
   uint8_t state = 0;
   bool outputflag = false;
   audio_block_f32_t *inputQueueArray[2];

examples/TestFFT4096iq/TestFFT4096iq.ino

@@ -31,7 +31,7 @@ void setup(void) {
   // The 4096 complex FFT needs 32 F32 memory for real and 32 for imag.
   // Set memory to more than 64, depending on other useage.
   AudioMemory_F32(100);
-  Serial.println("FFT4096IQ Test");
+  Serial.println("FFT4096IQ Test 2");
 
   sine_cos1.amplitude(1.0f); // Initialize Waveform Generator