| Claimed Bitrate | Actual Bitrate | Artifacts detected | | :--- | :--- | :--- | | 320 kbps | 128 kbps | High frequency cut-off at 16kHz (CD is 20kHz) | | 192 kbps | 96 kbps | Watery "swirling" sound in cymbals | | "Best Quality" | 64 kbps Opus transcoded to MP3 | Severe pre-echo |