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+# HLE AAC Decoder
+
+During our reverse engineering efforts, it was found that Pokemon X/Y use `AAC` files for the music.
+So, to achieve feature parity between LLE & HLE audio, our developer B3N30 implemented an HLE AAC decoder.
+
+This makes Pokemon X/Y work at full speed, with audio, without using the slow LLE method.
+
+**Please note that this method might not improve audio or performance for all games that started working on LLE.**
+ 
+### Instructions
+ 
+* Download the latest canary build [here](https://citra-emu.org/download/).
+
+* If you are using **macOS**, you don't need anything else. It will work directly.
+
+* If you are using **Windows** - 
+  - Download this zip file - [FFMPEG DLLs](https://ffmpeg.zeranoe.com/builds/win64/shared/ffmpeg-4.1-win64-shared.zip)
+  - now extract the contents of `bin` folder, into the `canary-mingw` folder located in `C:/users/<USERNAME>/AppData/local/citra/` by default.
+  - **Note:** If you changed Citra's install location, you will have to paste these DLLs inside the folder where `citra-qt.exe` is located.
+
+    ![zip file contents](https://i.imgur.com/TY8uRGT.png)
+
+* If you are using **Linux**, you need to build Citra on your own.
+  - Follow the [[Building for Linux]] guide. 
+  - You will need to install the following additional packages before building - `libavcodec-dev` & `libfdk-aac-dev`.
+
+* And you are done. Just boot up Citra, select `HLE (fast)` in the `Audio` tab and play.