The GSA-HQ (Gaudio Spatial Audio - High Quality) is an embedded audio software running on Bluetooth earbuds providing lifelike immersion with head-tracked spatial audio playback. This groundbreaking software empowers (TWS) Bluetooth headphone (all form factor inclusive, such as in-ear and over-ear) makers with the ability to implement their own high-quality spatial audio functionalities without the need for host device support, such as from smartphones.