Appendix
Additional Information
VBR
VBR is short for variable bit rate. Generally speaking CBR (constant bit rate) is more widely used. But by flexibly adjusting the bit rate according to the needs of audio compres- sion, it is possible to achieve compression- priority sound quality.
WMA
WMA is short for Windows Media™ Audio and refers to an audio compression technol- ogy that is developed by Microsoft Corpora- tion. WMA data can be encoded by using Windows Media Player version 7 or later. Windows Media and the Windows logo are tra- demarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. 
Additional Information
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