- Created `tb_volume_multiplier_behav.wcfg` for waveform configuration of the volume multiplier testbench.
- Added `volume_multiplier.xpr` project file for the volume multiplier design.
- Created `volume_saturator.xpr` project file for the volume saturator design.
- Added `volume_saturator_tb_behav.wcfg` for waveform configuration of the volume saturator testbench.
- Created LFO entity for low-frequency oscillation control.
- Added all_pass_filter entity for signal processing.
- Implemented balance_controller for audio balance adjustments.
- Developed debouncer to stabilize input signals.
- Introduced digilent_jstk2 for joystick data handling.
- Added edge_detector_toggle for edge detection functionality.
- Created effect_selector to manage audio effects based on joystick input.
- Implemented jstk_uart_bridge for communication between joystick and UART.
- Developed led_controller for LED management.
- Introduced led_level_controller for controlling multiple LEDs.
- Created moving_average_filter for smoothing input signals.
- Added moving_average_filter_en with enable functionality.
- Implemented mute_controller to handle mute functionality.
- Developed volume_controller for volume adjustments.
- Introduced volume_multiplier for scaling audio signals.
- Created volume_saturator to ensure audio signals stay within bounds.
