Astra is an audiophile music player designed for local music libraries, supporting MP3, FLAC, WAV, AAC, OGG, M4A, OPUS, WMA, AIFF, and more via FFmpeg. It offers gapless playback with pre-buffering, multichannel audio remapping, and Dolby Atmos decoding, ensuring albums play seamlessly while maintaining high-fidelity sound. Astra features real-time DSP visualizers powered by a native C++ engine, including an oscilloscope, spectrum analyzer, and vectorscope.