Infoseite // the external noises are louder Microsystems normal?



Frage von maschmello:


Hi,

I bought for my panasonic nv-GS75 an external Microphone of SONY. Not exactly cheap (SonyECM-MS908C for 150 euros). Result of the stereo sound is now, and louder than before.
Now I have hoped for, but actually using one external microphones with little or almost no noise to have (for example, does not that come out of the camera), but the noise is increasingly represented. Is that normal, well, it is not come from this buzzing in Hintrgrund be somewhere? 3 meters away is the micro of the Camera and the noise are almost equally loud, as if the Micro 30 cm in front of the camera. Without Microphone are synonymous still perceive noise, but very low.

It is not that the sounds somehow interfere with the recording, but they are there and that's stupid.

Is this normal, or am I wrong reingesteckt the Micro or I may not use Sony products with panasonic products, if I strive for the best results?

MfG

Space


Antwort von Jan:

Hello,

Almost all current models whether mini DV, D8 or DVD have installed a stereo microphone, just like eg SonyHi8 TRV 228 or 238 have a mono Micro.

Have you bought jack extension because original cable is only 35 cm long?

The ECM MC 908 C is a decent Microsystems much as you can not really adjust settings, like the opening angle of 90 ° or 120 °.

Of course can be seen that the GS has 75, which you have a Micro infected by the "arch enemy", and is not enthusiastic verstummelt And the sound?

Sorry grad was funny ...

I had no camera sounds with an external microphone, no preference, or how bad it was cheap eg Hama RMZ 10.14. The yes Sonyliegt at about 140 ¬.

2 AA Batteries were already loaded in the Sony Micro?

Can not explain other's ...

LG
January

Space


Antwort von Frank B.:

Hello masch mello,

normally it should be no problem with a Sony Micro phone s.einem Panasonic camcorder. Check your documentation of times, but Cam and Mic matching for the resistor values. You do not write to the "noise" is. Is it the hum of the drive camcorder? It can also at a high quality external microphone happen that are recorded such drive noise when the mic is not properly of mechanically decouples the camera is. At a distance of 3 m, it is unlikely that a record drive noise. Unless the camera howls like a wolf, and it is otherwise a deathly silence in the room. External microphones are often better than the built-in camera microphones (which is why they are so purchased, o). It might, therefore, that captures your sounds Microsystems, which has recorded your previous camcorders Micro not so clear. A running in the background, PC may be at once powerful presence. I have the time myself experienced in the use of a directional microphones, which happened to be aligned to a PC. Our human ear has to hear selectively. Ie some sounds can be heard "" we no longer even, because they are hidden of our brain. Micro is a good as incorruptible. Another possibility is noise due to electromagnetic interference. Long unsymmetrical cables, such as the cable with mini-jack, as they are s.manchen external microphones are very susceptible to.
Maybe you can write once more about the kind of noise.

Gruß Frank

Space


Antwort von maschmello:

Hui, thanks for the replies.

So I once tried to analyze the noise:
A blank space (but with pipelines -> it was the corridor next to bathroom);
The microphone is directly connected without the extension s.der Camera:
[code: 1:6 c7d74085e] results in fully aufgetreckten speakers: A soft noise can be heard (possible causes: my speakers) and a higher sound is heard in the background (specific cause: the Camera) [/ code: 1:6 c7d74085e]

The microphone is connected s.der Camera with extension cords
[code: 1:6 c7d74085e] result with speakers turned up: A strong disturbance is heard, but when I put the camera route continues, was annoying, away (possible cause: Störwellenfelder); draufhin I put the camera in the other room when The microphone was located, now it was annoying to hear even slight (but) the same sound, the high signal was gone (which was also the Camera) and the gentle noise was determined by the disturbance übertont [/ code: 1:6 c7d74085e]

All without Micro:
[code: 1:6 c7d74085e] results in fully aufgetreckten speakers: A higher sound (clearly the Camera) [/ code: 1:6 c7d74085e]

Results: There is a clear jamming with (the extension to hear why? Away as I get it?), Especially if the camera nearby (The camera is not running) on battery power. If the Micro is no renewal s.der camera because they are so quiet without the noise even clearly Micro, the Micro if not directly aimed at the camera straight.
So the main culprit was certainly the bad extension. But I need at doing this, what good is an external Micro, if it is only 30 cm of the camera is removed?

Space


Antwort von Frank B.:

Hello masch mello,
sowas I've been thinking. Basically you have a mixture of sources of noise. The main problem is actually to be the unsymmetrical extension. You have several ways to eliminate the problem. You could make sure that can occur over long distances, a Balanced XLR cables are used. Possibly. Micro s.einen the mixer with XLR outputs and s.Camcorders another device that can convert back to XLR unbalanced.
You could be synonymous looking for a way to transmit the signal via radio to the microphone. There are at sell electronics and music equipment providers transmit and receive parts that can do this. About the quality of the individual devices but I can not say anything because I've never tried any. I myself take on the sound in some cases with an external device (minidisc, DAT or hard disk recorder). This way you could be synonymous to consider. The external shots are simply played on the calculator and using a Synchronipulses in an audio track fits the Videobearbeitunssoftware created.

Gruß Frank

Space


Antwort von Neo:

Hello,
I usdieses Micro in my Panasonic 400 in operation.
Usually with one Windfell on the camera.
However, I use it synonymous with an 8m Verläöngerung.
This, however, I soldered myself, here I have a cable Peridax () uses a very good shielding. So, I had previously bought a 10m extension of "Conrad", there were similar problems. It was clearly s.Kabel.

Otherwise, I have no Störgeräuche, is not synonymous of the action ....

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Antwort von Casper23:

You could make sure that can occur over long distances, a Balanced XLR cables are used.

Please write times for an ignorant but what is an XLR cable!

Thanks Jammer Labbe

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Antwort von Neo:

Or just once but after you look at google ...

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Antwort von Markus:

"Guest" Jammer Labbe "" wrote: Please write times for an ignorant but what is an XLR cable!
Hi All,

in the next posting, I had the difference between XLR - (symmetric) and Consumer microphone cable (unbalanced briefly describe):
" ME66 -> 5m XLR -> RCA adapter on -> XL1s = OK?

What options are there to connect s.einen consumer camcorder with the balanced XLR microphone, is in the following contribution:
" XLR s.Klinke (and there posts) linked

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Antwort von greenhorn:

Hello Mark!

Love you very much for your reply and the links

Gruß Dieter

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