128kbps Opus is often considered "transparent" (indistinguishable from the original) for most listeners. ⭐⭐⭐⭐⭐
This file appears to be a , likely extracted from a platform like YouTube using a tool like YouTube-dl.
Based on the size and bitrate, this is almost certainly a (or a very low-resolution, high-compression video of about the same length). If it is audio, it uses the Opus codec , which is highly efficient for web streaming. Technical Breakdown