From Hydrogenaudio Knowledgebase
Pros
- An international standard approved by the ISO
- Flexible: supports several sampling rates (8000-96000 Hz), bit depths, and multichannel (up to 48 channels)
- Several implementations, including a free and high quality one (iTunes)
- Reaches transparency in most samples and for most users at around 150kbps
- Part of MPEG-4 specs
- Anyone can create its own implementation (specifications and demo sources available)
- Some portable players support it (Philips Expanium, Apple iPod, cell phones from Nokia)