diff --git a/Makefile b/Makefile
index 9d5b183..f6c6c5e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-EXE = microsa
+EXE = fastsa
 SOURCES = main.cpp
 SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
 SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp
diff --git a/README b/README
deleted file mode 100644
index 0650df5..0000000
--- a/README
+++ /dev/null
@@ -1,4 +0,0 @@
-* set pulseaudio to 192kHz sample rate:
-  hardware.pulseaudio.daemon.config = { "default-sample-rate" = 192000; };
-* check that sound card is operating at 192kHz:
-  cat /proc/asound/card0/pcm0c/sub0/hw_params 
diff --git a/flake.nix b/flake.nix
index b87d1db..ae6af96 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,8 +13,8 @@
         hash = "sha256-xl7Tr1A1cqXhAL1Bljfk68R3AB1xOgkH15LHKxjYoSc=";
       };
     in rec {
-      packages.x86_64-linux.microsa = pkgs.stdenv.mkDerivation {
-        name = "microsa";
+      packages.x86_64-linux.fastsa = pkgs.stdenv.mkDerivation {
+        name = "fastsa";
         src = self;
         nativeBuildInputs = [ pkgs.pkg-config ];
         propagatedBuildInputs = [ pkgs.wayland pkgs.glfw-wayland pkgs.libffi pkgs.alsa-lib ];
@@ -24,14 +24,14 @@
         '';
         installPhase = ''
           mkdir -p $out/bin
-          cp microsa $out/bin
+          cp fastsa $out/bin
         '';
       };
       devShell.x86_64-linux = pkgs.mkShell {
-        name = "microsa-dev-shell";
-        buildInputs = packages.x86_64-linux.microsa.nativeBuildInputs ++ packages.x86_64-linux.microsa.propagatedBuildInputs;
-        shellHook = packages.x86_64-linux.microsa.preBuild;
+        name = "fastsa-dev-shell";
+        buildInputs = packages.x86_64-linux.fastsa.nativeBuildInputs ++ packages.x86_64-linux.fastsa.propagatedBuildInputs;
+        shellHook = packages.x86_64-linux.fastsa.preBuild;
       };
-      defaultPackage.x86_64-linux = packages.x86_64-linux.microsa;
+      defaultPackage.x86_64-linux = packages.x86_64-linux.fastsa;
     };
 }
diff --git a/main.cpp b/main.cpp
index b7a48b3..10be93a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -84,7 +84,7 @@ int main(int argc, char* argv[])
     std::atexit(glfwTerminate);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
-    static GLFWwindow* window = glfwCreateWindow(1900, 720, "microsa", nullptr, nullptr);
+    static GLFWwindow* window = glfwCreateWindow(1900, 720, "fastsa", nullptr, nullptr);
     if (window == nullptr) {
         std::cerr << "failed to create GLFW window" << std::endl;
         return 1;
@@ -198,9 +198,9 @@ int main(int argc, char* argv[])
         ImGui::SetNextWindowPos(ImVec2(0.0f, 0.0f));
         ImGui::SetNextWindowSize(io.DisplaySize);
         ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
-        ImGui::Begin("microsa", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize);
+        ImGui::Begin("fastsa", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize);
 
-        ImGui::BeginTable("microsa", 2, ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Resizable);
+        ImGui::BeginTable("fastsa", 2, ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Resizable);
         ImGui::TableSetupColumn("", 0, 280.0);
         ImGui::TableSetupColumn("", 0, 1600.0);
         ImGui::TableNextColumn();