The phrase usually refers to a specific type of high-bitrate audio file often found in pirated music circles or specific "repack" communities. However, it's important to understand what this bitrate actually means for your listening experience. The Reality of 640 kbps Audio
. While MP3 supports up to 320 kbps and AAC can go higher, 640 kbps is the hard limit for standard AC-3. Channel Configuration 5.1 Surround Sound 640 kbps songs repack