While the DMR standard does not specify the vocoder, MOU members agreed to use the half rate DVSI Advanced Multi-Band Excitation (AMBE) vocoder to ensure interoperability.
虽然DMR标准没有制订声码器的标准，但加入了MOU的成员同意使用半速率DVSI高级多频段激励（AMBE）声码器来确保其互操作性。