Aura - Hi Res Audio

1. High-Fidelity Audio Playback (Hi-Res Lossless)
Studio Format Support: Plays files such as FLAC, WAV, ALAC, DSD, and AIFF at rates up to 24-bit/192 kHz, as well as compressed formats such as MP3 and AAC.

Direct File Import: Allows the user to open and import audio tracks directly from the device's storage via the system's file selector.

Metadata Reader and DAC: Displays detailed technical specifications of each track in real time: codec, sample rate, bit depth, bitrate in kbps, channels, and dynamic range (DR).

2. 10-Band Graphic Equalizer and Precision DSP
Multiband Equalizer: Individual gain faders from -12 dB to +12 dB across 10 key frequencies (31Hz, 62Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz).
Studio and Audiophile Presets: Includes preset sound profiles such as Flat (Reference), Warm Tube, Acoustic Live, Bass Boost, Vocal Clarity, and Treble Air, plus a custom mode.
Advanced Audio Controls:
Sub-Bass Booster: Sub-bass resonance with adjustable intensity.
3D Spatial Virtualizer: Holographic soundstage expansion.

Acoustic Reverberation: Room simulations (Studio, Small Room, Medium Room, Auditorium, and Cathedral).
Master Preamp & Anti-Clipping Limiter: Overall gain control with peak limiter to prevent digital harmonic distortion.

3. Real-Time Visual Display (Analog and Digital)
Analog Ballistic VU Meters: Dual stereo dials (left L and right R channels) inspired by classic high-fidelity amplifiers (such as McIntosh and Accuphase), with responsive decibel-scale pointers and peak indicator LED.
32-Band FFT Spectrogram: Real-time animated bar graph with amber/gold lighting reacting to the music.
Vinyl Effect Cover Art: Animation of a spinning vinyl record during playback.

4. Playlist and Library Management
Automatic Smart Playlists: Dedicated filters for favorited songs and tracks with 24-bit Hi-Res mastering.
Custom Playlists: Creation, editing, and deletion of playlists with custom gradient covers and local persistence via the Room database.
Dynamic Play Queue: Adding songs to the queue (play queue), reordering, and removal.
Sleep Timer: Scheduled playback shutdown after 15, 30, 45, or 60 minutes.

5. Experience and Internationalization (Multi-language)
Obsidian & Amber Gold Design: Dark interface (dark mode premium) with highly legible typography, touches of gold and cyan, and native edge-to-edge support.

10 Global Languages ​​Supported: Quick language selector with full support for Portuguese, English, Spanish, French, German, Italian, Japanese, Simplified Chinese, Russian, and Korean.