Right-click the song you want to format and select Convert Format to open the Convert Format dialog box. Select mp3 as the "output format", and then click the "Configure" button on the right to set it to CBR 192 (or lower, the lower the song, the lower the sound quality) kbps.
Input plug-ins for different audio players in FLAC:
When we say "FLAC is free", it doesn't just mean you can get it for free. More importantly, the file format of FLAC is completely open.
You can use it for any purpose (FLAC project only reserves the right to maintain FLAC format specifications and confirm compatibility features), and the file format and encoding/decoding implementation of FLAC are not restricted by any known patents. In addition, all source code can be obtained under the open source license.