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#31 | |
Inner Circle
Join Date: Sep 2003
Location: Portland, Oregon
Posts: 3,420
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Re: C100: Impressive Audio!
Quote:
Is it possible that the 3.5mm version video had some autogain setting enabled on the camera? I'm hearing the dialog almost overmodulated, followed by pumping aka breathing that might occur with some sort of dynamics processing like autogain, limiter, or compressor enabled.
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30 years of pro media production. Vegas user since 1.0. Webcaster since 1997. Freelancer since 2000. College instructor since 2001. |
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#32 |
Major Player
Join Date: Apr 2010
Location: NJ/NYC
Posts: 563
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Re: C100: Impressive Audio!
you're probably right. can check on it at some point later on
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#33 |
Major Player
Join Date: Apr 2010
Location: NJ/NYC
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Re: C100: Impressive Audio!
you know what, i just checked and it does look like a solid case of user error. prior to doing that video i was seeing if any laptop mics would work and i was jacking up the levels, and the mic Attenuation was on, so that would make perfect sense the dynamics of that audio. will do my next video with proper levels.
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#34 |
Trustee
Join Date: Aug 2005
Location: Berkshire, UK
Posts: 1,562
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Re: C100: Impressive Audio!
Okay, so I re-ran my 'One hen, two ducks' test today, recording onto the C100 straight, onto my PIX220 with its wonderful mic pre-amps, and direct into the Roland UA-25 USB Audio interface, and measured everything up in Adobe Audition CS6. I haven't touched the 3.5mm jack yet.
Immediate conclusion is that, yes, the mic pre-amps in the C100 are very good. Better than the FS100 to my ears, and close to the PIX220 (though lacking that last bit of oomph on the lower frequencies). I tried my Neumann TLM103, which belts out such a signal we're not really testing mic-pres, but provides a rich tonality. That was fine in comparison to the Pix and UA-25. Next I tried the COS-11, which has a far lower level. Again, no haunting discrepancies between the C100 and the PIX220/UA-25 - a little thinner, a little extra noise, but nothing like the difference between the PIX and the FS100. I tried the limiter and wound up levels to give it a workout. It wasn't quite as natural or as unburstable as the Pix, but as always, it's a rubber sheet in case of accidents. You don't really want it there, but if there's a chance it might be needed... I'd post up the movie or make the sound tests available for download, but really - it would be a very boring movie. Just a voice droning on about Macedonian oysters on rollerskates over and over again. So, well done Canon.
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#35 |
Inner Circle
Join Date: Sep 2007
Location: Cambridge UK
Posts: 2,853
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Re: C100: Impressive Audio!
Excellent info about the C100 pre-amps being pretty damn good - this confirms my intial impressions too, with a much shorter/less impressive XLR mic/gear list. I think much better than the audio pre-amps on my Sony EX3 :-)
Thanks Matt!
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#36 |
Major Player
Join Date: Apr 2010
Location: NJ/NYC
Posts: 563
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Re: C100: Impressive Audio!
another sample, this one was rec'd with a mk66
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#37 |
Major Player
Join Date: Jan 2011
Location: Columbus, Ohio
Posts: 273
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Re: C100: Impressive Audio!
All of these tests merely show that the C100 audio is better than DSLR audio, but then none of them are a direct A-B test with the incredible results you get using an external mixer. try it and be amazed. While the C100 is good it really shines when used with a mixer. All of my work that is not run and gun is now done through a Mixpre D. You have listen with good headphones, but even through in camera playback you will hear a difference.
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#38 |
Major Player
Join Date: Apr 2010
Location: NJ/NYC
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Re: C100: Impressive Audio!
i don't quite see the point of that, phillip...
either you have the ability to have a mixer on set or you don't, i don't think anyone is suggesting that any camera's built in mini dials or other functions are better than a proper mixer's. the only point to this thread or any thread discussing built in anything audio related is whether it works well as a standalone, not as a replacement for any external recorder and/or mixer which usually and should come with their own operator. Internal sound is useful for run and gun, 1 man operator, or any other situation that simply does not merit extra devices. it's practically always implied that if the situation and budget merit it, you're going to have external audio of some kind. the consensus it would seem is that the c100/300's internal audio is as good and possibly better than most any other high end camera's built in audio, and that's all you can really take away from this, because no one is going to tell you that any camera's built in audio trumps a proper external mixer/recorder/audioguy so my point is that you're right, but it isn't really relevant :) |
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#39 | |
Trustee
Join Date: Aug 2005
Location: Berkshire, UK
Posts: 1,562
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Re: C100: Impressive Audio!
Quote:
https://soundcloud.com/mdmatv/one-he...00-tlm103-into So this shows how, given a nice strong signal (like the use of the Sound Devices preamp), the Canon takes it as read and is uncoloured. Unlike the use of a pre-amp, note that both mic recordings are uncoloured, so the Mic input is fairly neutral. Now lets get tougher with a real-world microphone - the COS-11. https://soundcloud.com/mdmatv/cos-11-tests-mixdown I warned you! It's not the most exciting listen. Just to say that, unlike the FS100, the C100 can do decent audio given a nice mic at a good level. https://soundcloud.com/mdmatv/one-hen-one-c100-final
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#40 | |
Major Player
Join Date: Jan 2011
Location: Columbus, Ohio
Posts: 273
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Re: C100: Impressive Audio!
Quote:
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#41 |
Major Player
Join Date: Oct 2007
Location: London, UK
Posts: 795
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Re: C100: Impressive Audio!
That's very interesting Philip
I have a SD302 mixer. I am surprised to note from the Sound Devices website that while the Mixpre D is a lot smaller it is not much lighter ie SD302 Weight: 0.85 kg, (1.8 lbs) unpackaged with three alkaline AA batteries Dimensions: 47 mm x 214 mm x 114 mm (H x W x D), 1.8" x 8.4" x 4.5" Mixpre D Weight: 0.7 kg, 1.5 lbs with batteries Dimensions: 43 mm x 94 mm x 140 mm (h x w x d), (1.7" x 3.7" x 5.5") Would be interesting to see how you have mounted your Mixpre. Any chance of a photo?
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#42 |
Join Date: Dec 2010
Location: Western Australia
Posts: 576
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Re: C100: Impressive Audio!
I love the audio on the C300, so crisp and rich.
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#43 |
Major Player
Join Date: Jan 2011
Location: Columbus, Ohio
Posts: 273
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Re: C100: Impressive Audio!
In Europe, will try to post pics of the Mixpre D + C100 rig ASAP/
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#44 |
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Join Date: Oct 2007
Location: London, UK
Posts: 795
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Re: C100: Impressive Audio!
Many thanks. Absolutely no rush.
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#45 |
Major Player
Join Date: Oct 2007
Location: London, UK
Posts: 795
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Re: C100: Impressive Audio!
Hi Philip
I didn't want to put you under any pressure. But I don't want to sound ungrateful either :-) If you could find time to post a photo when you have stopped travelling I would appreciate it very much.
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