zero level

zero level

[′zir·ō ‚lev·əl]
(engineering acoustics)
Reference level used for comparing sound or signal intensities; in audio-frequency work, a power of 0.006 watt is generally used as zero level; in sound, the threshold of hearing is generally assumed as the zero level.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Officials told Dawn that the department was set to start its activities in merged districts from 'zero level' because the wildlife sector did not exist in the former Fata.
Furthermore, authority will continue its significant role in bringing down littering in the capital to zero level to provide the city a civilized look.
The DIG has said that incidents and complaints of torture or misbehavior with criminals, misconduct as well as unlawful detention of citizens in lockups would be minimized to zero level. He said that the cameras had been linked with a control room of CPO's office as well as OPS rooms of DIG Operations and all divisional SPs of the city would ensure round-the-clock monitoring of behavior of the police with criminals in lockups.
Also confirming the zero level of extortion during the Task Force two weeks mandate, Chairman of the Association of Maritime Truck Owners (AMATO), Chief Remi Ogungbemi lauded the efforts of the Prof.
Handling her twitter account, the SAPM said that the popularity graph of those, who have shrunk themselves to Sindh province, has now fallen to zero level and arrival of a few dozens of supporters has given a glimpse of their political existence.
GILGIT -- The temperature in upper parts of Gilgit Baltistan has dropped to below zero level owing to intermittent rains and snowfall.
He said that safety of the motorists was top priority of the NH and MP and those sections of the motorway are closed where visibility falls to zero level.
"Any country that says it can compensate for the lack of supply from the market" is supporting the United States, "he said, noting that Donald Trump's decision to cut Iran's oil exports at zero level was taken without consulting experts or the government.
The demand of electricity was rising in the country, he said adding that efforts were made to bring zero level loadshedding.
We need to reduce it to zero level before we lift the outbreak status,' Amar said.
Home Minister Asaduzzaman Khan Thursday said the border killing has significantly reduced and overall initiative is underway to bring down the border killing at zero level, reports BSS.
He said that business activity in the area had almost gone to zero level due to the non-seriousness of the government while chief minister used to spend most of his time in Islamabad.