A: No. Never transcode lossy to lossy. Keep the original VBR or find a lossless source (FLAC).
In the world of digital audio, VBR (Variable Bit Rate) is a gold standard for MP3 files. Unlike CBR (Constant Bit Rate), which uses the same data rate for every second of a song, VBR dynamically adjusts the bit rate based on the complexity of the audio. vbr mp3 collection blogspot free top
The result is better sound quality per megabyte than CBR. Typical VBR settings range from V0 (245–275 kbps average) to V2 (170–210 kbps average) — both considered "transparent" for most listeners. A: No
Look for these signs of a high-quality VBR MP3 collection: The result is better sound quality per megabyte than CBR