Practical methods for making electroacoustic laboratory measurements of analog and digital speech communications terminals and connected audio devices are contained in this standard. The methods are applicable to a wide variety of wired, wireless, cordless, and mobile communication terminals. Examples include Voice over Internet Protocol (VoIP), Wi-Fi®, and softphone devices. Tests applicable to c...
IEEE P269/D127.5, July 2019由美国电气电子工程师学会 US-IEEE 发布于 2019-07-31,并于 2019-07-31 实施。
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