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-   -   All Things Audio -- topics from 2002 thru 2004 (https://www.dvinfo.net/forum/all-things-audio/5703-all-things-audio-topics-2002-thru-2004-a.html)

David Phillips February 15th, 2002 02:54 PM

Audio Problem
 
Hi shooters everywhere.
I have recorded a short interview sequence where the audio level on the speech is fine however, in the background, there is a lot of unwanted noise caused by the wind blowing through the trees. Does anyone have any idea how I can eliminate this noise.
It was recorded as a 16 bit stereo track and I am using FCP3 on a G4
Many regards to all.
David

Chris Hurd February 15th, 2002 03:02 PM

Hmm, sounds like a job for the Parametric EQ (in FCP audio filters), but in all honesty this sounds like a very tough nut to crack. Any chance you can re-record it? Find the freqs of the voices and pump them up a notch or two while lowering the overall volume of the clip. Just thinking out loud,

David Phillips February 15th, 2002 03:48 PM

Thanks Chris, I'll give that one a try.
No, can't re-record that's too easy.

Ken Tanaka February 15th, 2002 04:14 PM

David,
You might also have some luck massaging the sound tracks with Peak DV (which is supplied free with FCP3). It's a dedicated sound crafting app and has a few more facilities than the filter provides. I agree with Chris, however, that this will be a tough problem to fix. I'd bet that the noise comes in waves (with gusts off wind) so any intermitent mitigation might be unfortunately noticeable unless it's applied to the whole track uniformly.

Good luck.

Mark Austin December 17th, 2002 11:12 AM

To balance or not to balance...
 
that IS the question...

I'm going to try and and solve the balanced / unbalanced xlr cable run noise quandry once and for all.. I guess I need to know before I actually have to do this at a gig.

I have a 100' x 16 channel audio snake. I'm going to hook up my AT835b condenser to my MA300 on the GL2 at 100' then by daisy chaining the input to output I'll do 200', 300', to 1000' etc. and record the results, Then I'll do the same test with a dynamic mic.

Let me know if you're interested in the results and I'll post the audio clips for everyone's review. Maybe that will clear the air on just exactly what is possible with an unbalanced connection.

One last note: the folks that record symphonic music try not to use transformer balancing, the most common method by far (and the one used in virtually EVERY DV XLR circuit), because it imparts too much of it's own flavor to the signal. They tend to use circuits that are transformerless.

Check out this link for some in depth info on mic pre design & balancing methods from Millenia Media. If you think you are concerned about audio, then you must read this.
http://www.mil-media.com/docs/articles/design.shtml

Scott Silverman December 20th, 2002 04:37 PM

I would be very interested in the results. Thanks Mark!

Imran Zaidi December 24th, 2002 10:15 AM

Gitzo Fishpole and Cable Feeding
 
I recently picked up a Gitzo G557 fishpole. One of the features of this pole is that though it doesn't come fed with cable, it has 'port holes' for threading the cable yourself.

However, these holes obviously don't accomodate the connectors (the holes aren't wide enough for any XLR connector that I've ever seen). So my question is, what's the point of having the holes in this thing? Is it for expert techs out there who perhaps can feed the cable and then fashion their own connectors?

Anyone fed a cable through a Gitzo before?

Jeff Donald December 24th, 2002 12:47 PM

You will need to soldier your own ends. Their are different types of XLR connectors. I have several mics that require what is described as mini XLR connectors.

Jeff

Charles Papert December 29th, 2002 03:16 PM

All Things Audio -- topics from 2002 thru 2004
 
Just picked myself up a Tivoli PAL speaker as I had seen it mentioned on a location audio mixer website. I occasionally need amplified playback on location for one reason or another, and I had never seen a small 12v power speaker that sounded decent for the right price.

The PAL is a gorgeous little unit that has an integrated FM tuner (great quality, and the manual knob is delightfully old-school). It accepts a stereo mini-plug input, has a 3 hr NiMH rechargeable pack inside and sounds unbelievably good. You'll wonder how they got this sort of bass response out of such a small unit, but then again it was designed by audio wiz Henry Kloss. It's rubberized for location use, it's exceptionally solidly built, and comes in a bunch of cool colors. And priced right at $129! Ya gotta love the pricing on consumer-level gear.

Check out:

http://www.tivoliaudio.com/palinfo.htm

The usual disclaimer--I'm not affiliated with Tivoli etc. Just thought you cats might like it.

Dany Nativel January 21st, 2003 12:52 PM

New Minimount design
 
I bought a mini-mount + universal shoe carriage + sleeve for the ME66 less than a month ago.

Today I went on their website and discovered a complete new design for the minimount !!!

What happened to the previous one (the one I just got) ?

Is there any issue with the older one ?

I suspect this one to be more cost effective as it doesn't require a sleeve to adapt to the different mics.
[correction] It's probably more cost effective but not cheaper ... went up to $189 !!!

Any information/comparisons for this new mount are welcome because I would feel bad for my very recent purchase if this new design is correcting major issues from the first gen.

Thanks

Dany Nativel February 5th, 2003 09:10 PM

I'm suprised that nobody jumped on my post to give me a feedback.

There must be somebody that bought the new design and owned the old one before.

Any comments are welcome !

Chris Hurd February 5th, 2003 10:29 PM

I have talked to Thomas Dyer at LWS about their new design, but have not seen it yet. We do need to get a review or comparison up on dvinfo.net -- I'll put this on my agenda.

John Jay February 24th, 2003 01:24 PM

Bluetooth microphone???
 
I know there are a few headsets out there for cell phones, but is anyone developing a high quality microphone or microphone adapter for BlueTooth transmission?

I have heard Bluetooth is less susceptible to interference plus a notebook USB receiver unit is remarkably cheap

Neil Fisher February 24th, 2003 04:44 PM

it's low power so you wouldn't get high quality, and its limited to 30ft.

check out http://www.bluetooth.com and do a search, it's a great web site.

Harry Settle March 6th, 2003 08:25 PM

Mic for Sony MZ-N707
 
I just got a new Sony minidisk for a backup sound unit. My question is what microphone are you all using? Mono, stereo, mono/stereo adapter etc. I know that it has a stereo mic input, but, someone said I could use a mono mic with a stereo/mono adapter and it would input over both channels.

Nathan Gifford March 7th, 2003 11:19 PM

Chances are it will record to both channels without an adapter. However, sometimes I have noticed a little noise on some systems when you do this. Using a mono to stereo adapter would likely cure this problem. In post you can put the audio on both tracks if you like.

Felix Jones March 10th, 2003 07:41 PM

Azden WLX-PRO
 
Hi there,

I was wondering if anyone has any experiences with this wirless lavalier setup? If not any recommendations?

Aaron Koolen March 31st, 2003 08:10 PM

Anyone have any sound files of a Sennheiser Evo100?
 
Hey all. I have my credit card in my hand almost ready to purchase the Evolution 100 as a lot of people seem to suggest them for the price bracket they are in. One thing though, is that I've never heard one in action, and unlikely to find a place where I can test one first. So I was wondering if anyone has any sound bites they can post where I can download and listen through some good headphones. Anything would help.

Cheers
Aaron

Nathan Gifford April 1st, 2003 11:28 AM

Its in Real if you like:

BikeSouth 2000 Rolls

The mic used was a Shure, but the rest of the gear was an ew112p.

Aaron Koolen April 1st, 2003 04:01 PM

Thanks Nathan, but do you have that sound as an .wav that hasn't gone through the mega compression of realplayer?

Cheers
Aaron

Erik J Na April 16th, 2003 12:57 AM

DV Digital Audio Input
 
does anyone know how to connect digial audio device to DV camcorder (via either S/PDIF or AES/EBU)?

thanks in advance.

Casey Visco April 16th, 2003 08:48 AM

Erik,
I don't know of any DV camcorders with S/PDIF or AES/EBU jacks on them. Assuming the device in question also has a line level output...this may be the only way to go.

Erik J Na April 16th, 2003 11:10 AM

thx Casey,
I just wanted to feed digi audio from my apogee compact AD converter (Mini ME) which doesn have line level outputs. I used to feed audio directly from either mic preamp or PSX100 AD/DA converter. consumer portable MD recorder does even have digi input. digital audio input port should be added in DV camcorder or at least adapter should be available. just thought. ^-^

Terry Esslinger May 3rd, 2003 08:58 PM

Wireless for PD150
 
Has anyone used trhe Samson UM32L350. It is supposedly a diversity UHF unit with 32 different switchable channels (maybe you can avoid interferance) I can get it with the Audio-technica MT350 for about $400.00us and has xlr connectors. Would it be better with a Sony ecm44 or a SamsonAT831? Anybody?

The reason I ask is that while I find it offered by B&H I cannot find any mention of it on the Samson web site.

Matt Stahley May 4th, 2003 12:15 AM

Sony 7506 ear pad replacement
 
Is it possible to replace the earpads on the Sony 7506? I have a pair that are about 9 years old and the pads are wasted.Has anyone done this if its possible?And can you only get the pads from sony? thanks for any info.

Don Berube May 4th, 2003 12:35 AM

Give Coffey Sound a call at (888)293-3030. They can do this for you very affordably.
http://coffeysound.com

- don

Matt Stahley May 4th, 2003 12:52 PM

thanks for the link Don! I will contact them.

Glen Elliott May 5th, 2003 05:15 AM

Oddities with my new DVX100 and Sennheisser ME66/K6
 
This may not be an odditie at all....I just figured I'd ask. Until now I've been working with a GL-1 with a beachtek xlr adapter to utilize my Sennheisser ME66/K6. Once I got my DVX100 I was happy to ditch the heavy xlr adapter beings it has built in phantom powered xlr connections.

Once I connected the ME66/K6 to the DVX100 I almost immediatly noticed it's sensitivity. I mean that by way of distortion whenever the mic is moved quickly in any direction. Now I'm not talking about windnoise it's actually like a digital fluttering noise. For example, the mic is mounted on a Sennheisser shock-mount so if I, say, tap it with my finger to get it to shake whithin the confines of the rubberband'ish mounts, it produces a digital distortion flutter. I've also found that it mainly does it when the mike is moved quickly on a front to back axis and not side to side.

Granted I know mic movement/shock can cause distortion- thus the whole reason for the "shock-mount" in the first place. However I tested it on my GL-1 and couldn't get it to give me that same digital flutter noise no matter what I did- and with my DVX100 it seems all to often....even with the mic levels at a conservative setting. Heck I even heard it when I taped the tripod it was mounted to.

Does anyone know if this is normal. And if it IS, why doesn't it do it with my GL-1? Thanks!

Matt McConnell May 7th, 2003 08:32 AM

MKE 300 improvement
 
I read a thread which stated that Sennheiser would upgrade existing MKE 300 microphones for $15 with some sort of damping material. Does anyone know if this damping material is applied to new units? Is there a different part number or some serial number at which they cut in the change? If I purchase a new MKE 300 today, what would I get? and would I have to send it back in to get the upgrade performed?

Jaime Valles May 7th, 2003 01:11 PM

Recording crowd noise???
 
Hello, all. Quick question: What's the best way for me to record applause and regular croud noise? I'll have a Senheiser ME66 connected to the HHB Portadisc MiniDisc recorder. The crowd will be around 400 people in a school gym. Is there any way to get a decent recording of this with my setup? Or should I just try to foley in a sound effect in post?

Any advice would be great!

Thanks

K. Forman May 7th, 2003 01:30 PM

That should be sufficient enough for background noise.

Susan Highsmith May 7th, 2003 07:21 PM

type of mic you use
 
Iím curious, when making your films, what kind of mic do some of you use with your dvx-100? And do you have it camcorded mounted, boom mounted, or plugged directly into the XLR inputs of a recorder? When it comes to all the audio equipment/accessories that are essential for high quality sound, I am clueless. If anyone could write out a list, I would be eternally grateful. Thanx for any info you can provide.

Frank Granovski May 7th, 2003 08:21 PM

The Sennheiser ME66/K6 is pretty good, depending on what you want a mic for. I like to mount a mic on the tripod or on the cam---depending on what you want to do.

Christopher Go May 7th, 2003 08:59 PM

We use an Audio Technica 4073a shotgun microphone, Lightwave GT-10 boompole, and Audio Technica 8415 shockmount for our sound. Looking into getting a longer boompole and some windscreen equipment as well pretty soon. This is not connected to our AG-DVX100 however. Instead we're learning to use a double-system setup with a Tascam DA-P1 DAT recorder.

Check out Equipment Emporium for some good articles on sound equipment and sales.

Joe Gioielli May 8th, 2003 12:32 PM

Public Domain Music CD
 
I am looking to buy a cd of public domain music. What companies have you dealt with that you have been happy with?

Richard Alvarez May 8th, 2003 01:10 PM

"Public Domain Music"

Not sure what you mean by that. Music whose copyright has expired, is in the public domain... but that doesn't mean a particular recording of that music is... follow me?

Are you looking for "Royalty Free" music instead? Companies like Backtraxx and Mokol publish one-time buyout libraries... others publish libraries with "needle drop" rights.

There are also some sites on the web with people giving away short loops...

Marcello Mongardi May 16th, 2003 01:36 PM

balanced audio etc.
 
Is there a site that someone could direct me to that gives an outline of balanced audio vs. unbalanced audio (and any other info). rather than have you all write it out for me bit by bit I am hoping to be able to read about it somewhere and learn.

Thanks,

Marcello

Jeff Donald May 16th, 2003 01:52 PM

Hi Marcello, that topic has been covered here on several occasions and you can find that information by using the search button in the upper right. I know that Mark Austin, a Wrangler, covered it once in very simple terms, but was quite thorough.

Stas Tagios May 20th, 2003 03:57 AM

Some questions re AT100
 
Just starting to search for a good, low-cost wireless system. Have heard good things about the Audio-Technica 100 series, but would it be practical to wear the receiver on a belt, rather than attaching it to my camera?

I'm using the DVX-100, and its small, light body design makes it impratical to mount wireless receivers on. Would wearing a receiver on a belt cause undue interference with the signal?

Or would it be better to seek out a system with a smaller receiver (The sennheiser evolution 100's receiver seems more svelte but doesn't have an XLR out).

Any suggestions? Anyone using the AT100 and not mounting the receiver to the camera, but carrying it separately? Thanks for any suggestions and advice.

Peter Jefferson May 20th, 2003 10:45 AM

the bad thing about small cams is that theyres nowhere to "expand"
With the senn series 100 wireless, im actaully strapping a velcro strap onto my right forearm then strapping or clip the receiver onto my arm...
can et tedious, but as the leads are short, its either that or clip it to the cameras handstrap.


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