EURASIP Journal on Audio, Speech, and Music Processing

Table 1 Description of the 54 available noise-related degradation conditions.

From: Performance Study of Objective Speech Quality Measurement for Modern Wireless-VoIP Communications

Conditions	Tandem	Codec-PLC	Noise Type	SNR (dB)	Loss Type	Loss Rate (%)
1–48	None	G.711, G., G.729, AMR	hoth	10,20	random, bursty	2
			car	10	random, bursty	2
			babble	10	random, bursty	2
			hoth	10,20	bursty	4
			car	10	bursty	4
			babble	10	bursty	4
49–54	Asynchronous	G.729 G.729, AMR AMR	car	10	random, bursty	2
			car	10	bursty	4

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