my panasonic home theatre (dvd player) does the same , it has nothing to do with the anynet, if u connect using hdmi, (well mine is hdmi as well) it just tries to be smart and shuts down when u shut down the tv. i dunno if u can stop this from happening,
The energy in a sound wave can be measured using Decibels. The Decibel Meter shows examples of things that make noise and measurements in decibels. Amplitude measures how forceful the wave is. It is measured in decibels or dBA of sound pressure. 0 dBA is the softest level that a person can hear.
The logarithmic decibel scale is convenient calculating sound power levels for two or more sound sources. Adding Equal Sound or Noise Power Sources. Adding Equal Sound Power Calculator. Note! Adding of two identical sources will increase the total sound power level with 3 dB (10 log(2)). Sound power and sound power level are often used to specify the noise or sound emitted from technical equipment like fans, pumps or other machines. Sound measured with microphones or sensors are sound pressure.