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Good evening,
I am the happy owner of a Canon Zoom DS-8. Close to the handle, there is a socket, according to the notice (here -Zoom-Ds-8.html?page=28#manual) you can trigger a tape recorder simultaneously with the shutter realease, if the remote control cable from the recorder is connected to the camera. The recorder power should be at maximum 24v /0.3A.
I succesfully post synchronised 30sec interval by clapping my hands while recording with my H4n nearby, results here (in french...) :
My goal is to have an on camera microphone with a digital recorder triggered by the camera... The cherry on top of the cake would be to have the sound recorder to stop record when the shutter realease button is reasleased.
I have no idea where to start. I guess i should invest in a basic recorder on wich i can plug my Rode microphone ?
I am a photographer, i'm kind of new in the movie camera/sound sychro game so any opinions or leads are welcome !
Thanks !
Jrmy
If you can find a audio recorder with very simple single button cable remote you can probably hack it pretty easily . how the cameras remote port works, does it just close contacts or does it output any signal? If it just closes contacts then it should be a bit easier to start.
One option for basic audio sync would be to just create some kind of bleeper marker system to the camera which outputs short beep sound when you start or stop the camera. Just like the 16 and 35 movie cameras and even digital cameras like arri can do
So you should start by finding a recorder with very simple and easily hackable wired remote button. Then continuing figuring out how to close the hacked button contacts with the camera. You may want to have the arduino between these if you need latching functions for example the camera contacts staying closed the whole take converted to simulated single short button push when starting or stopping the recording on the audio recorder and possibly the additional bleep sound on both start and stop but not in the middle of takes
The H4n Pro has a remote control connector, so it can be started remotely. It's only a little jack plug so it's likely one could, with only a bit of ingenuity, program something like an arduino to start it up. Perhaps Zoom would be willing to release the protocol data.
Allright, so, let's say i build this Blueduino-RC4 (this would be my cheapest option, as i already have my H4n (not the Pro version) and a microphone), i'd just have to plug it on my camera through the flash socket (it's a synchroflash, it's also used to trigger flash when you do stop motion) and it would trigger the recording on the H4n ?
It will be wired like this : Camera --> Blueduino --> H4n
The Blueduino being build on this : -nano-33-ble ?
I have absolutly ZERO knowledge in arduino and electrotechnics (but i can shoot homemade glassplate...), so i wonder how i will plug the Blueduino on the camera...
And also, i aim to use it in the wild, so without power.
Would it be possible to add aapo lettinen features (the sound bleep on start and end) to this solution ?
An other problem i'm going to have is i think the vibration from the camera and the noise can be a problem. I cleaned my recording to get rid of the camera noise, but it's heavily done, so i'll buil a blimp to get it if not sound proof, at least sound discret.
Thanks again,
Jeremy
You could make it bleep, although I'm not sure that's essential in a situation where the H4n recorder will create a file for each take automatically. You'll just get a bleep at the start and end of every file. To do that you'd have to route your audio through the controller, too, which might risk adding noise to it.
You would inevitably need some level of electrotechnical ability to do this. I would happily do it as a fun little project, but I don't have a Zoom H4n Pro or a DS-8 camera. You don't really need the bluetooth features, that's designed to make it wireless. You're probably happy with a wired control for this application.
The H4n side is a little less simple and requires sending some serial bytes to the recorder to control it. It's not hard, it's a day's work, but I would hesitate to try to do it without the recorder available to test.
Well, if the Canon has a flash contact to flash every frame it is not intended to control a recorder. You are in for a lot thinkering.
If it were a short-contact to drive a recorder it could drive cassettes or tape recorder. It seems digital recorder don't have the same simple shorting inputs. Simplest might be to fix two parallel to the RECORD button and possibly find a place for a receiver-connector on the hill.
That might work on the simple Olympus dictaphone here. It would deliver superior audio in comparison to ancient tapes ? Possibly the more expensive one might have remote control input, intended for listening back by the typist.
Another option might be to use a portable MINI-DISC-drive. Digital and stereo
The problem with a lot of this stuff (and I'm not sure this applies here) is that the trigger on a film camera is often continuous, that is, it runs while the contacts are closed and stops when they're open. A lot of modern digital stuff needs a start pulse and a stop pulse. This is trivially handled in a simple microcontroller program, which is why little arduino boards are very often pressed into service in interfacing and automation applications exactly like the one we're discussing here.
Good luck, simple would be to use some sort of cable like on late Super-8 camera to control a cassette recorder. Using arduino like things is not simple to most people.
If there is no direct outlet on the camera you are busted.
Well, it is said in the user guide that the flash socket can be used to trigger sound recording, so it was intended in the camera engineering (here on page 28 -Zoom-Ds-8.html?page=28#manual). Also, it is true there is a single frame releases possible, the socket is clearly described as a "tape recorder starting socket" (page 3 of the manual). I think you can use it to trigger flash when you do single frame release, and there is also a special socket for "single frame release socket", it is nowhere said in the manual that you can trigger flash, i am just guessing from the socket. On my 814 XL-R there is this possibility, so i assumed it is the same on the DS-8. But it seems i was wrong.
Sounds good. Then the mission is to find a recorder with a simple remote input, if these exit. Find a cable from and old flash and connect it to the recorder using a 2.5mm or what is to be found on it.
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