Canon 7d Disabling AGC using an mp3 player. – DSLR Film NOOB

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www.dslrfilmnoob.com Dave Dugdale’s Site for the 19k mp3 file www.learningdslrvideo.com Parts used in this video: 2 3.5mm to XLR adapters $16 www.bhphotovideo.com Studio 1 Productions XLR mixer $60 on ebay (any stereo XLR to 3.5mm Adapter will work) AUDIO TECHNICA pro W88 VHF transmiter $45 on ebay (very cheap and dirty little transmiter) Cold shoe to 1/4-20 adapter $12 (mine came with the $40 arm) cgi.ebay.com This quick demo shows what a few cheap parts can do to disable AGC on your canon 7d. Lets hope canon releases an updated firmware soon to fix this problem. Equipment used for filming: Canon 7d Canon 35mm 1.4 lens Sennhieser ew100 wireless transmiter Manfrotto 503 hdv tripod

Comments

ArtinMotionFilms says:

Oke one question. I use the zoom h1 but i don’t link sync the sound on the pc. So if i put a 3.5 mm jack splitter in the mp3 player and one end in the camera and another end in de h1. Is the sound recorded on th sd card of the camera? Sorry for my english

captainkanji says:

I’m gonna go with the Zoom H1

rkrockstarmusic says:

if im using 3.5mm to xlr converter .m i lossing audio quality >????

onelonedork says:

@CrowJellyFilms Yes. AGC is probably what is causing your problem. This trick or the one Dave Dugdale will make things better for you. Also check out the Juicedlink DS214.

filipinorice says:

Okay about my comment. I just verified it and it works perfectly

You can even monitor at line level without the Headphone amp.

Just use a standard headphone splitter to add the mic on one input and headphone on other

onelonedork says:

The words you’ll want to search for are “beachtek” “juicedlink” and “studio one”. Just click the used button in the side bar and you should find what you are looking for. The mixer is listed in the video description.

Masoud Varjavandi says:

Thanks mate. I like the mixer idea. which model is the one you’re using in this video? did a quick search for xlr mixer on ebay, they seem to be more studio type mixers.

onelonedork says:

It does work! If you get stuck or can’t figure something out just send me a message.

ALPHADESIGNTAMPICO says:

I think I’m gonna subscribe to your channel just because this video! 😐 If it works! ;D

wideeyewonder says:

Awesome video….thanks for posting it!

onelonedork says:

Not really much you can do about AGC in post. Either dual system sound or tricking AGC are the only way to go on the 7d. The T2i has the magic lantern hack as does the 5d and 60d. The 7d is the only camera that doesn’t have a fix.

BDogbz says:

Is there any way to fix this in post?

BebopVox says:

Hey man I hit up Canon and they said they are not awear of any upcoming firmware update that will disable AGC, I asked em as im a new 7D owner. =( sad face.

onelonedork says:

The mp3 player isn’t recording its playing back a 19k signal that forces the AGC of the camera to stay and a set level. This allows you to properly properly record audio into one channel on the camera. To sync audio in post you need to align the audio recorder with the audio from the camera.

descargamusicalny says:

that’s cool but, I’m a noob at this…. how would you sync the start recording time of the camera and the mp3 player or an H2 for that matter. Do you just press record and then sync at post production or is there a way to fire them up simultaneously?

DoubleODude says:

Very cool.

onelonedork says:

Lenses tend to hold there value so if you can only afford th 50mm 1.4, you can always buy it and and save up, then sell it when you have enough to get the 50mm 1.2. Its better to use what you have then to have nothing until you have the best.

CYNFELYN23 says:

My dream video lens is the one you have, I’m gonna have to save up a lot to buy it though! Do you think I should get the 50mm 1.4 instead as it is much cheaper?

onelonedork says:

what?

CYNFELYN23 says:

A good LCD viewfinder especially made for the Canon 60D?

Krytikalmass says:

Hey man – thats cool

onelonedork says:

Yes it will work with the 550D. Or you could use the magic lantern hack that was just released. It allows you to turn AGC off.

WeirdRicky says:

Thanks a lot this is really helpful 🙂 happy new year

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