bluetooth devices for wireless audio

H

henryciullo

Active member
Been reading posts on cheesycam.com bout using the zoom h1 with lav mic for interviews instead of usual sennheiser wireless kits, that cost lots and occasionally do give problems ( specially if you are at a conference with several crews using them.. it has happened )
I have been using this combination for quite a while with my H2, and usually i use headphones with a long cable to monitor audio recorded on the zoom.
Then last week i had an idea: use a bluetooth transmitter connected to headphones output of zoom , and use a bluetooth receiver ( maybe you can even use iphone or other A2DP bluetooth protocol device) so you can monitor what's being recorded with no cables.
this is the bluetooth transmitter i got here in italy:
http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=380249096972

while this is the receiver:
http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=200515212752

i have made a quick test, very spartan and quick, was my first attempt.. for general interview stuff it works... should be able to reach 10m with no obstacles, but i ran out of space in house....

http://www.youtube.com/watch?v=7p3MrSJ2US8

so actually i think this is an even better solution than a wireless mic system, because mic and recorder are connected via cable, and you can monitor what's going on without having bad looking cables around..
 
I have suffered with Bluetooth peripheral connections for years and found it completely unreliable. I would never consider using Bluetooth on an audio stream I was intending to record for future use. There are numerous reasons why high quality wireless systems are so expensive...
 
..hmm.. probably i didn't explain properly, i'm not recording from the bt device, i'm only using it to monitor audio with headphones, the Zoom is doing the recording and it is in the subject's pocket with a lav mic connected. This way i am free to move around and hear what's being recorded. If there is a signal loss, it's only in my monitoring, the zoom goes on recording.
 
henryciullo said:
..hmm.. probably i didn't explain properly
Click to expand...

No, you explained it well. I think it's a great idea! Is there any delay over the Bluetooth audio system? Do you find it reliable and easy to set up?

A downside to this approach would be the inability to alter the levels without getting to the Zoom.
 
used it today for first time in production, interview in a garden, with subject sitting , i was 3-4 metres away with a 70-200 lens.
yes there is a delay, i think between 0.5 and 1 sec... it's strange at first, you need to get used to it at the beginning. Actually today i could have done without cos i had long wires on mic and earphones and didn't do any wide shots so cable were not in sight, but i wanted to test it anyway.
I never touch levels on zoom, i set input sens. on medium with my lav mic, and then the zoom takes care of everything, i find it has a decent limiter that's not too aggresive. BT connection sometimes was disturbed, but it never disconnected in the 40 min shoot.
 
Trying to find a system to convert my xdcam audio cable monitoring into a wireless system and came into this chat. Could you please send a link were I can buy the system??? I just need to get away the cable and looking forward to find a wireless (Bluetooth) system to monitorize the audio signal in the xdcam.
 
This just sounds like a bad idea.
A monitor that has a potential of failing while the recorder works fine.
You need something that is reliable as monitor.
I would not even use a pro wireless as monitor, what if you hear saturaion and it is only the monitor that saturates and not your recorder.
 
Phenixone said:
This just sounds like a bad idea.
A monitor that has a potential of failing while the recorder works fine.
You need something that is reliable as monitor.
I would not even use a pro wireless as monitor, what if you hear saturaion and it is only the monitor that saturates and not your recorder.
Click to expand...

It sounds like you are pushing "needs" on the OP that were never there.
Obviously the OP is looking for something that can give the best possible results for the money, not 100% reliable or Pro.
Not everyone has a budget as high as the Pros or even have standards as high as the Pros.
So if you are willing to accept the good with the bad then I say go for it.
Just be aware of what you may get into.

For me this sounds like a good idea actually and I may consider it if I did have to use dual sound.
 
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