diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4e01b7d..ccce945 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -8,6 +8,7 @@
         "stdio.h": "c",
         "stdlib.h": "c",
         "error.h": "c",
-        "math.h": "c"
+        "math.h": "c",
+        "options.h": "c"
     }
 }
\ No newline at end of file
diff --git a/src/crosby_stereo_coder.c b/src/crosby_stereo_coder.c
index 1a7f4d4..9f9db77 100644
--- a/src/crosby_stereo_coder.c
+++ b/src/crosby_stereo_coder.c
@@ -11,8 +11,7 @@
 #include "../lib/oscillator.h"
 #include "../lib/filters.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 
 #define SAMPLE_RATE 192000 // Don't go lower than 108 KHz, becuase it (53000*2) and (38000+15000)
 
@@ -74,13 +73,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);
diff --git a/src/features.h b/src/features.h
deleted file mode 100644
index 4e3379a..0000000
--- a/src/features.h
+++ /dev/null
@@ -1,2 +0,0 @@
-// #define PREEMPHASIS
-// #define LPF
\ No newline at end of file
diff --git a/src/options.h b/src/options.h
new file mode 100644
index 0000000..365a9d6
--- /dev/null
+++ b/src/options.h
@@ -0,0 +1,6 @@
+// #define PREEMPHASIS
+// #define LPF
+
+#define buffer_maxlength 12288
+#define buffer_tlength_fragsize 8192
+#define buffer_prebuf 16
\ No newline at end of file
diff --git a/src/polar_stereo_coder.c b/src/polar_stereo_coder.c
index 5061367..bebf66f 100644
--- a/src/polar_stereo_coder.c
+++ b/src/polar_stereo_coder.c
@@ -11,8 +11,7 @@
 #include "../lib/oscillator.h"
 #include "../lib/filters.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 
 #define SAMPLE_RATE 192000 // Don't go lower than 108 KHz, becuase it (53000*2) and (38000+15000)
 
@@ -73,13 +72,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);
diff --git a/src/sca_mod.c b/src/sca_mod.c
index b09cfd2..915f234 100644
--- a/src/sca_mod.c
+++ b/src/sca_mod.c
@@ -12,8 +12,7 @@
 #include "../lib/filters.h"
 #include "../lib/fm_modulator.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 
 #define SAMPLE_RATE 192000
 
@@ -64,13 +63,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);
diff --git a/src/ssb_stereo_coder.c b/src/ssb_stereo_coder.c
index 7b54cdf..fab2c08 100644
--- a/src/ssb_stereo_coder.c
+++ b/src/ssb_stereo_coder.c
@@ -12,8 +12,7 @@
 #include "../lib/filters.h"
 #include "../lib/hilbert.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 //#define USB
 
 #define SAMPLE_RATE 192000 // Don't go lower than 108 KHz, becuase it (53000*2) and (38000+15000)
@@ -76,13 +75,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);
diff --git a/src/stereo_coder.c b/src/stereo_coder.c
index 4b52612..1c397f6 100644
--- a/src/stereo_coder.c
+++ b/src/stereo_coder.c
@@ -11,8 +11,7 @@
 #include "../lib/oscillator.h"
 #include "../lib/filters.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 
 #define SAMPLE_RATE 192000 // Don't go lower than 108 KHz, becuase it (53000*2) and (38000+15000)
 
@@ -74,13 +73,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);
diff --git a/src/stereo_sca_mod.c b/src/stereo_sca_mod.c
index b00047e..5b5899d 100644
--- a/src/stereo_sca_mod.c
+++ b/src/stereo_sca_mod.c
@@ -12,8 +12,7 @@
 #include "../lib/filters.h"
 #include "../lib/fm_modulator.h"
 
-// Features
-#include "features.h"
+#include "options.h"
 
 #define SAMPLE_RATE 192000
 
@@ -75,13 +74,13 @@ int main() {
     };
 
     pa_buffer_attr input_buffer_atr = {
-        .maxlength = 8192,
-	    .fragsize = 8192
+        .maxlength = buffer_maxlength,
+	    .fragsize = buffer_tlength_fragsize
     };
     pa_buffer_attr output_buffer_atr = {
-        .maxlength = 8192,
-        .tlength = 8192,
-	    .prebuf = 0
+        .maxlength = buffer_maxlength,
+        .tlength = buffer_tlength_fragsize,
+	    .prebuf = buffer_prebuf
     };
 
     printf("Connecting to input device... (%s)\n", INPUT_DEVICE);