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If a tone or signal were presented at 40dBSL to a listener with a threshold of 40dBHL what is the sound level of the signal?
The sound level of the signal would be 40 dBHL. The dBHL unit is used to specify sound levels relative to an individual's hearing threshold, while the dBHL unit is used to specify sound levels relative to a standard reference sound pressure level. When the sound level in dBHL is equal to the sound pressure level in dBSL, the sound level of the signal is the same as the signal level presented.
What are the devices which converts sound signal into electrical signal other than microphone?
One is the hydrophone, used to pick up sound waves underwater.
Does 'the' have a short vowel sound?
No.When used before a vowel sound, "the" has a long E sound.(The animal is wild.)When used before a consonant, "the" has a schwa or unstressed sound (thuh).(The wild animal is loose)
What is the name of the horn vikings sounded for battle?
The horn that Vikings sounded for battle is called a "Gjallarhorn." It was traditionally associated with the Norse god Heimdallr and was used to signal important events, including the start of battles. The Gjallarhorn is often depicted as a large, curved horn made from animal horn or metal. Its sound was believed to rally warriors and instill a sense of urgency during combat.
A signal used to give warning?
Flash high beams. Sound the horn.
What animal roar can be heard over 10km away?
A lion's roar can be heard over 10km away, as it is a powerful sound signal used by males to communicate their presence and territory to potential rivals and mates.
What part of speech is signal?
Signal is a noun (a signal) and a verb (to signal).
Why AM is used to transmit picture iv TV?
There is no real reason. In the UK's old analogue system AM was used for picture and FM used for sound. In France they used the opposite system, FM for picture and AM for sound. Everything is going digital now, so does not apply, the RF signal is a FSK data signal.
True or Falce Sound waves can interfere with one another so that no sound results?
falseanswer 2. Over a small region, an 'antiphase signal' can be used to cancel out a sound.
What sound signal should be used if a boat is leaving dock to alert others?
one prolonged blast
What is a decibel level?
A unit used to measure the intensity of a sound or the power level of an electrical signal. Someones voice could raise by a decibel.It is used to measure the sound intensity and loudness.
Which sound signal indicates that you disagree and prefer to pass it on your port side?
The sound signal that indicates you disagree and prefer to pass on your port side is one short blast of the horn. This signal is typically used in maritime navigation to communicate intentions to other vessels. If you hear this signal, it means the signaling vessel intends to pass you on your left side.
