AT9&AT3 Converter

Added

- Advanced options panel for conversion tools
- Expert options support for fine-tuning conversions
- New Advanced and Expert UI icons/resources
- Additional conversion settings for supported platforms

Improved

- Main converter UI layout
- Conversion workflow organization
- PS4 / PSVita / PS3 / PSP option handling
- Conversion status messages
- Error feedback using log-based details
- Language files for updated UI/status text

Changed

- Cleaner status bar behavior
- Shorter conversion error message
- Updated project resources and designer files

AT9&AT3 Converter

- Unified the interface into a single screen, removing the separate AT9/AT3 tabs.
- Added automatic detection for MP3, WAV, AT9, and AT3 files.
- Added dynamic AT9/AT3 conversion selection.
- Unified console and bitrate comboBox.
- Added PSVita, PS4, PS3, and PSP icons with highlighting based on the selected console.
- Fixed MP3/WAV conversion handling and existing-file checks.
- Added a separate warning for existing intermediate WAV files.
- Made tooltips and status messages translation-friendly.
- Major code refactor to simplify maintenance and reduce conversion-related files/classes.

AT9&AT3 Converter

Add ATRAC9 Player support

- Now you can read **AT9** (PSVita/PS4) and **AT3** (PSP/PS3) file final file or when you want to convert it :)
- However, it's possible that not all AT9 or AT3 files are supported due to bitrate or other factors that need to be tested.
- Add language support throughout the application

AT9&AT3 Converter

Changes by @scorpio21

    ### New Features
    - Added automatic audio resampling with NAudio.
    - Detects unsupported input sample rates automatically.
    - Strictly enforces `48000 Hz` for AT9 conversions.
    - Supports `44100 Hz` / `48000 Hz` for AT3 and PSP conversions.
    - Prevents Sony Tools `"Not Supported Param"` errors.
    - Added dynamic bitrate suffixes to converted filenames, for example `audio_96bit.at3`.
    - Allows testing multiple bitrates without overwriting previous outputs.
    - Added multi-language UI support.
    - Added a UI toggle to switch between Spanish and English.
    - Localized labels, tabs, buttons, and dynamic dialog messages.
    - Added centralized error logging to `conversion_errors.log`.
    - Replaced technical popups with a cleaner “Check log” status message.
    
    ### Bug Fixes & Stability
    - Fixed conversion failures when file paths contain spaces.
    - Properly quoted all arguments sent to external tools.
    - Fixed UAC/permission issues by using `UseShellExecute = false`.
    - Resolved Win32 Error `1223` caused by external process launches.
    - Replaced legacy `CodeBase` path handling.
    - Updated `MainForm_Load` and file movement logic to use `AppDomain.CurrentDomain.BaseDirectory`.
    - Fixed `"Path format not supported"` exceptions.
    - Forced strict `44100 Hz` stereo normalization for PSP conversions.
    - Improved PSP playback compatibility for files such as `SND0.AT3`.
    
    ### Technical Refactoring
    - Fixed NAudio references to use relative paths inside the repository.
    - Improved `MiniPlayer.exe` process management.
    - Added better tracking and termination of the MiniPlayer process.
    - Reduced file lock issues during recompilation.
    - Cleaned up unused code.
    - Removed unused variables such as `tip` and `tempFile`.
    - Reduced compiler warnings.

Changes by ME

    - Add languages with comboBox
    - Improves little code
    - Rearranged the design

AT9&AT3 Converter

2.3

Update README.md