Update test-codec-alac.ino

Author: pschatzmann

examples/tests/codecs/test-codec-alac/test-codec-alac.ino

@@ -2,6 +2,7 @@
  * @file test-codec-alac.ino
  * @author Phil Schatzmann
  * @brief generate sine wave -> encoder -> decoder -> audiokit (i2s)
+ * @note Activate PSRAM or dicrease the frame size e.g. by adding 1024 to the constructor of the enc_alac and dec_alac 
  * @version 0.1
  * 
  * @copyright Copyright (c) 2025
@@ -56,4 +57,4 @@ void setup() {
 
 void loop() { 
   copier.copy();
-}
+}