I have low dialog and loud background noise on my panasonic sc-htb8 soundbar

Is there a AV output on the TV ? Usually either a pair of RCA;s (white/red) or a 3.5mm headphone jack. Try that

If you wish to get some details ; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

You will need an optical digital audio connection for the TV and the TV will have to be fitted with a compatible "optical digital audio" OUT connection.
The soundbar unit you have does not have an HDMI connection so you only have the one choice with cable..
Any electronics store selling cables will fit you with the correct one.
The one pictured here next to the HDMI cable is the type you need (aka Toslink) but if you don't have an Optical digital Audio Out connection on your TV you have a problem.
HDMI vs optical Which digital audio connection to use CNET

If you have connected the optical cable then you should be able to select AV using the TV remote, keep pressing until you hear sound from soundbar!

If the sound was disconnected, you would hear absolutely nothing at all. There is a problem with the sound signal itself, so connecting external speakers probably would not help at all. Electronic components have failed, which caused the sound problem issue.

no problem with..record some part of the start with no voice just a 5-10 seconds remain quite...just kept running the recording...then start and record your voice after which install AudaCITY Software and drag your audio file in it and then select the first 5-19 seconds recording which was just the background kept recording selecting the part go to Effects -> Noise Removal then press Get Profile,

after which again select all the track by: Control + A key on PC and then go to Effects Noise Removal move the bar to the left side...and press ok/continue key....now your track is very much clean by the noise...and

for sound loudness select all the track and go to Effects -> Normalize then again Effects -> Amplify put the slider value to -0.1 of what the value is shown.

Looks like you have inadvertently enabled some sound effect, usually these effects can be enabled/ disabled form sounds menu. They will have names like surround, movie hall, concert etc. Go to the sound settings and disable any activated audio effects.

Panasonic SC-HT locked , please help me open lock.

It's probably a ventilation fan that's making the noise. Locate it and see if you can clean out any dust or dirt in it.

pl chaeck that

the dvd that you are getting sound are 5.1 ch out put that time your system by default selecting the same out put but all dvd are not same so when you are not geting the dialouge pl check audio mode on your systm remote.


thank you
santosh