Added profile system to voice mixer, improvements in code

README.md

@@ -68,7 +68,7 @@ abogen
 1) Drag and drop any ePub, PDF, or text file (or use the built-in text editor)
 2) Configure the settings:
     - Set speech speed
-    - Select a voice
+    - Select a voice (or create a custom voice using voice mixer)
     - Select subtitle generation style (by sentence, word, etc.)
     - Select output format
     - Select where to save the output
@@ -83,6 +83,7 @@ Here’s Abogen in action: in this demo, it processes ∼3,000 characters of tex
 - **Supported formats**: `ePub`, `PDF`, or `.TXT` files (or use built-in text editor)
 - **Speed**: Adjust speech rate from `0.1x` to `2.0x`
 - **Voices**: First letter of the language code (e.g., `a` for American English, `b` for British English, etc.), second letter is for `m` for male and `f` for female.
+- **Voice mixer**: Create custom voices by mixing different voice models with a profile system.
 - **Generate subtitles**: `Disabled`, `Sentence`, `Sentence + Comma`, `1 word`, `2 words`, `3 words`, etc. (Represents the number of words in each subtitle entry)
 - **Output formats**: `.WAV`, `.FLAC`, or `.MP3`
 - **Save location**: `Save next to input file`, `Save to desktop`, or `Choose output folder`
@@ -93,10 +94,15 @@ Here’s Abogen in action: in this demo, it processes ∼3,000 characters of tex
     - **Create desktop shortcut**: Creates a shortcut on your desktop for easy access.
     - **Open config.json directory**: Opens the directory where the configuration file is stored.
     - **Open temp directory**: Opens the temporary directory where converted text files are stored.
-    - **Clear all teporary files**: Deletes all temporary files created during the conversion process.
+    - **Clear all temporary files**: Deletes all temporary files created during the conversion process.
     - **Check for updates at startup**: Automatically checks for updates when the program starts.
 - **After conversion**: `Open file`, `Go to folder`, `New conversion`, or `Go back`.
 
+## `Voice Mixer`
+<img title="Abogen Voice Mixer" src='https://raw.githubusercontent.com/denizsafak/abogen/refs/heads/main/demo/voice_mixer.png'>
+
+With voice mixer, you can create custom voices by mixing different voice models. You can adjust the weight of each voice and save your custom voice as a profile for future use. The voice mixer allows you to create unique and personalized voices. (Huge thanks to @jborza for making this possible through his contributions in #5)
+
 ## `Supported Languages`
 ```
 # 🇺🇸 'a' => American English, 🇬🇧 'b' => British English
@@ -136,7 +142,7 @@ Abogen is a standalone project, but it is inspired by and shares some similariti
 - [ ] Improve PDF support for better text extraction.
 - [ ] Add chapter metadata for .m4a files using ffmpeg-bin.
 - [ ] Add support for different languages in GUI.
-- [ ] Add voice formula feature that enables mixing different voice models. https://github.com/denizsafak/abogen/issues/1
+- [x] Add voice formula feature that enables mixing different voice models. #1
 - [ ] Add support for kokoro-onnx.
 - [ ] Add dark mode.
 
@@ -154,7 +160,7 @@ If you'd like to modify the code and contribute to development, you can [downloa
 ```bash
 # Go to the directory where you extracted the repository and run:
 pip install -e .      # Installs the package in editable mode
-python -m build       # Builds the package in dist folder
+python -m build       # Builds the package in dist folder (optional)
 abogen                # Opens the GUI
 ```
 Feel free to explore the code and make any changes you like.
@@ -163,7 +169,7 @@ Feel free to explore the code and make any changes you like.
 - Abogen uses [Kokoro](https://github.com/hexgrad/kokoro) for its high-quality, natural-sounding text-to-speech synthesis. Huge thanks to the Kokoro team for making this possible.
 - Thanks to [@wojiushixiaobai](https://github.com/wojiushixiaobai) for [Embedded Python](https://github.com/wojiushixiaobai/Python-Embed-Win64) packages. These modified packages include pip pre-installed, enabling Abogen to function as a standalone application without requiring users to separately install Python in Windows.
 - Special thanks to the [PyQt](https://www.riverbankcomputing.com/software/pyqt/) team for providing the cross-platform GUI toolkit that powers Abogen's interface.
-- [US](https://icons8.com/icon/aRiu1GGi6Aoe/usa), [Great Britain](https://icons8.com/icon/t3NE3BsOAQwq/great-britain), [Spain](https://icons8.com/icon/ly7tzANRt33n/spain), [France](https://icons8.com/icon/3muzEmi4dpD5/france), [India](https://icons8.com/icon/esGVrxg9VCJ1/india), [Italy](https://icons8.com/icon/PW8KZnP7qXzO/italy), [Japan](https://icons8.com/icon/McQbrq9qaQye/japan), [Brazil](https://icons8.com/icon/zHmH8HpOmM90/brazil), [China](https://icons8.com/icon/Ej50Oe3crXwF/china), [Female](https://icons8.com/icon/uI49hxbpxTkp/female), [Male](https://icons8.com/icon/12351/male) and [Mix](https://icons8.com/icon/21700/adjust) icons by [Icons8](https://icons8.com/).
+- Icons: [US](https://icons8.com/icon/aRiu1GGi6Aoe/usa), [Great Britain](https://icons8.com/icon/t3NE3BsOAQwq/great-britain), [Spain](https://icons8.com/icon/ly7tzANRt33n/spain), [France](https://icons8.com/icon/3muzEmi4dpD5/france), [India](https://icons8.com/icon/esGVrxg9VCJ1/india), [Italy](https://icons8.com/icon/PW8KZnP7qXzO/italy), [Japan](https://icons8.com/icon/McQbrq9qaQye/japan), [Brazil](https://icons8.com/icon/zHmH8HpOmM90/brazil), [China](https://icons8.com/icon/Ej50Oe3crXwF/china), [Female](https://icons8.com/icon/uI49hxbpxTkp/female), [Male](https://icons8.com/icon/12351/male) and [Voice Id](https://icons8.com/icon/GskSeVoroQ7u/voice-id), [Person](https://icons8.com/icon/34105/person) icons by [Icons8](https://icons8.com/).
 
 ## `License`
 This project is available under the MIT License - see the [LICENSE](https://github.com/denizsafak/abogen/blob/main/LICENSE) file for details.