This annex contains the modifications to Recommendation G.728 LD-CELP speech coding algorithm needed to reduce the coding bit rate down to 12.8 and 9.6 kbit/s.是什么意思_This annex contains the modifications to Recommendation G.728 LD-CELP speech coding algorithm needed to reduce the coding bit rate down to 12.8 and 9.6 kbit/s.在线翻译_英语_读音_用法_例句