The 320 kbps myth
Download sites love to advertise "320 kbps MP3". But a file's bitrate only says how much space its audio takes up, not how good the audio is. Take YouTube's best stream, which is Opus at around 160 kbps, and encode it to MP3 at 320. What you get is the same sound, slightly damaged by a second round of compression, in a file twice the size. The quality of a download can never exceed the quality of its source.
What Best quality actually does
When you tap Best quality, the bot:
- finds the same recording the song came from – checked against the catalogue as usual;
- asks the source for every audio format it offers;
- picks the one with the highest bitrate;
- keeps it exactly as it is – only the container is changed, so Telegram recognises it as audio, and the tags and cover are added;
- tells you in the caption what the file really is: its codec and size, "lossless" when that is true, and when it is not, that no lossless version of this source exists – so converting it to FLAC would only make it bigger.
A FLAC comes out only when the source itself was lossless, for example a SoundCloud artist who enabled downloads of their original WAV or FLAC. Otherwise you get the source's best lossy stream, untouched.
Normal download or Best quality?
| Normal download | Best quality | |
|---|---|---|
| Format | M4A (AAC) | Whatever the source's best is |
| Typical bitrate | ~128 kbps or better | ~160 kbps Opus on YouTube; higher where available |
| Plays everywhere | Yes | Most players; some old ones skip Opus |
| Re-encoded | No | No |
| Sent as | Music file | Document |
For everyday listening the normal download is ideal. Best quality is for when you want every bit the source has – for good headphones, for archiving, or for a DJ set.
Related
- The standard download from a Spotify link: Spotify to MP3.
- Audio HQ from a YouTube video: YouTube to MP3.
- Other takes of the same song: remixes and versions.