more speaker changes

virtual_portal.h

@@ -9,7 +9,7 @@
 #define SAMPLE_RATE 8000
 #define POF_TOKEN_LIMIT 16
 #define SAMPLES_COUNT 1024
-#define SAMPLES_COUNT_BUFFERED SAMPLES_COUNT * 4
+#define SAMPLES_COUNT_BUFFERED SAMPLES_COUNT * 8
 
 typedef enum {
     PoFHid,