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NEWS
26
2022
-
10
New noise resolution and suppression of sound system
Author:
UM Hum »»
a stable bass noise,
The frequency is 60Hz (frequency per second) (50Hz in China),
There are no noticeable harmonics.
It sounds like humming with your lips closed, very close to the low B-flat on a bass guitar with all the treble off.
Buzz Potts »»
Steady-state noise is also usually low B-flat, but it also contains many harmonious Boeing and higher tones.
It sounds like the noise your tongue makes at the back of your teeth, through your open lips.
Alternatively, while plugging the guitar cable into an open stage amp, touch the tip of the guitar cable. The sound you hear will be the sound of Potz.
HISS hissed
Steady-state white noise»»
It sounds like the steam from a tap kettle where rain falls on the roof.
It can be simulated by blowing a breath instead of whistling. Actually, this is white noise, not the pink noise used to use a real-time analyzer (RTA) to adjust the sound of the room.
HASH hash
Pulsating "buzzy" sound »»
Sounds like fried bacon or modulated buzz.
Sometimes it is steady-state, and sometimes it has a modulation period depending on the signal
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