transmit objective loudness rating (TOLR)
Telecommunications
The ratio in dB of the sound pressure produced by a speaker to the voltage produced by a telephone and loop as defined by ANSI/IEEE 661-1997. [T1.255-1997]
The ratio in dB of the sound pressure produced by a speaker to the voltage produced by a telephone and loop as defined by ANSI/IEEE 661-1997. [T1.255-1997]