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Listen To GHOSTS?

Is it really true that we can listen to GHOSTS ! with this instructables ?

Topic by jetgoggles    |  last reply


Listening to electricity.

Hi does anyone know how to make something similar to this electroprobe - http://www.youtube.com/watch?v=fmfrtAJEr9U - (@ 0.24 seconds in) In order to listen to the 'sound of electricity'. What kind of microphones would I need? (surface, telephone etc.) Thanks for any help.

Topic by samput    |  last reply


Listen here...

Hey guys, I have been contemplating this forum topic for quite some time. I have debated with myself as to whether I should post a topic like it, or just ignore the problem(s). I have decided to go with the former, as it seems to me that there are things that need to be addressed. Not everybody is going to like/agree with what I have to say, but, I have always though that the best way to get people to think is to displease them. I have noticed that for some time now that people will spend more time talking about their own guns than the gun that they are posting the comment on. In other words, imagine that you have posted a new gun, and some person leaves a comment that looks somewhat like this: "Nice gun! I an currently working on a new crossbow that I think you will really like. It gets 100 ft. of range, it looks awesome, and it has a great 're-load time.' I hope that you check it out when it is posted, and give it a vote in the contest that it is posted in." I would humbly submit to you that that entire message is spam. If you are going to leave a comment on somebody else's 'ible, please do. BUT, don't make 95% of the message about how awesome your new gun is/whatever. The message is supposed to be a comment about/on the 'ible you are posting that particular comment on. It's kinda annoying to look at my own (and other people's) 'ibes just to find that they are full of "my new gun is posted here" type comments. Secondly, I want to talk a little about the classics. No, not classic music, but about the classic K'NEX guns. I will make this as clear as possible. The TR8/18 and the NAR are (in my opinion) outdated. Yes, they may get good range. Yes, they may only use a few amount of pieces, but this is NO excuse to bombard every 'ible with "well, this gun is good, but it is not as good as the TR8/NAR." I mean no offense, but nobody cares. I really don't think that anyone is trying to rival those guns, but there are guns that do so. The TR8 and the NAR may have been good guns, but they are from 2009, the K'NEX community has moved on. You may want to argue with me, but I will probably end up ignoring you. Sorry for making this comment so long, but those problems really do need to be addressed. I did not mean to offend anyone, and if I did, I am sorry, but you must understand how I, and multiple others, might feel. Peace. - The Red Book of Westmarch

Topic by The Red Book of Westmarch    |  last reply


Outdoor listening installations

Would appreciate some advice on this project.  I'm putting together a proposal for a series of outdoor sound installations in a nature park.  a couple of the installations will be places where you can plug in headphones to listen to certain sounds captured live from a microphone in an interesting place- for example a hydrophone in a pond.  The plan is that the mic will be hooked up to 3.5 jack sockets and listerners will be able to plug in their own headphones.  Now obviously there needs to be some amplification because the mic signal level will be far too quiet to hear on headphones. I need a power amp that will be powered through a solar panel.  My question is, shall I just use a headphone amp, like the Behringer ha400 or make my own power amp circuit? I need to be able to make everything sturdy and fit into a weather proof junction box to protect it from the elements. I have done some experiments with an LM386 power amp module but there was so much background noise and it didn't pick up the mic level at all (may have been a problem with the mic I was using,it was a crappy little lapel mic.- I did get a signal from a piezo disc but it was again really crackly and noisy.)  If it is best to build a circuit with a power amp module, could people make suggestions of ones that will sound good and clean, and work with stereo headphones.  Thanks a lot Ash

Topic by AshtonM4    |  last reply


Hidden camera and listening devices

Could someone please let me know if I’m looking on the wrong spots or if someone knows of a way of building or buying a good device for finding hidden cameras and or listening devices also please.

Question by Jjpseismic    |  last reply


At The Moment: 'What Are You Listening To?'

Whenever I am on the computer, I usually have iTunes blasting my ear drums to death. So, what are you listening to at the moment? At the moment: The Vines - Ride

Topic by bumpus    |  last reply


listening device for bird watching.

Listening device for bird watching,having the following specification:1.handheld,battery operated.2.frequency operation in audible frequency range.3.minimum of 30bB signal amplication.4.volume control for final outout stage.5.automatic gain control.6.10 second recording of sound,non volatile storade.7.two output sockets for headsets,5mm jack plug sockets.8.5 hour operational capabilities on one set of batteries.9.On/Off switch with LED indication.10.LEd to indicate recording.11.LED to indicate playback.?

Question  


Using headphones for listening to tv.?

My panasonic tv does not have bluetooth. I have new Marley headphones. Theywork well but not when the channel says Dolby or no good with Netflix as they appear to all transmit in Dolby. I purchased both a digital to analogue converter and bluetooth transmitter as advised but still cannot get Netflix audio or those channels using Dolby. Is it because bluetooth will not transmit analogue??

Question by BarryN16    |  last reply


what is a listening device for Bird Watching? Answered

I want to know why there must be a listening device for bird watching and what is the use of it.

Question    |  last reply


Songs you would listen anytime

You can share your "I'll listen anytime" songs or just any good song. I give you a song with the band's picture. Try and recognize it.(If possible, download it!) Album-Around the fur

Topic by BkrevWlevqe    |  last reply


Contact microphone to listen to finger-taps

My idea is to attach a contact microphone to the wrist to listen to finger-taps and determine which fingers produce the taps. Assumptions: - The tap sound propagates along the bones like in tubes,  - Each finger produces a characteristic sound signal. - Pattern recognition of sound signals identifies the sound and the finger that produces it. Any help? Thanks

Question by brian.s    |  last reply


Listening with Stethoscopes through Glass Windows?

I'm writing a zombie apocalypse fiction story and in one scene, one of the militia has to eavesdrop on a survivor gathering through a padded window using a stethoscope modified to fit onto a walkie-talkie earpiece microphone (the type that's along the same wire as the earpiece). The stethoscope would be placed against the glass window. The eavesdropped survivor leader is using a loud announcement voice with no acoustic assistance, in the middle of, say, a 20m x 10m x 3m lobby. The sound would (theoretically) reverberate through the glass window and into the stethoscope, which would focus all that sound down into the mic, which is transmitted by the connected walkie-talkie to our actual listener that hears it several kilometers away through the second, receiving radio. Notwithstanding the padded window (since the character finds a hole) and assuming the transmitted signal isn't distorted at all, how bad would the audio fidelity be for the listener? Would you still be able to understand audible speech? Would listening with stethoscopes through glass windows even work?

Topic by nutsandbolts_64    |  last reply


EVP quality, tele listening amp.

Hallo friends, Please show me a schematic diagram of a highly sensative amplifier, or hearing aid that I can use as a telescopic remote spy hearing instrument. Something as sensitive as the EVP paranormal audio recorder. I tried this circuit but doesnt work :( http://www.extremecircuits.net/2009/07/hearing-aid.html Please guide me to a circuit that actually worked for you. see you thanks

Topic by ketan7s    |  last reply


What kind of music do you listen to?

What artist?

Topic by insanity    |  last reply


Radio Mod?

I would like to mod a handheld radio (or even a analogue tv but radio would be better) to get to listen to higher frequencies than normally available. I'd Like to hit the 1420Mhz mark approximately but with little electrical engineering or architecture experience, I'm not certain how? Which might make a TV easier to get there as UHF covers that right? (still safer to play with a battery powered radio than a 240V powered one) I figured there is someone out there with the ability to figure out what components need changing? The variable resistor that tunes it perhaps? If you'd rather post an instructable I'll follow that or just tell me what needs replacing with what? Any Ideas?? Thanks

Question by Mr E Man    |  last reply


Looking for instructions on a sound masker to defeat listening bugs?

I have a friend who is going through a rough divorce and we think it is quite likely that he has bugged her house. He has used electronic bugs in the past, his daughter is mentally and physically handicapped and he put it on her wheel chair to hear what happened during her first day of middle school. I am looking for cheap instructions on how to build a device to detect it and/or instructions on a device like you read about in espionage books that produces noise that makes anything a bug picks up unintelligible.

Question by Shadow13!    |  last reply


How do i calculate the size of a dish i need for a specif frequency, specifically around 95 mhz?

How do i do so? I plan on making a home made radio telescope, but i just want to block out non-space made noise.

Question by natman3400    |  last reply


How do I listen to past radio shows for free?

I listen to coast to coast am and it on at ten where I live so I somtimes miss some good guests and I want to go back and listen during the day for free. I can do streamlink but I don't want to pay. Pleaz help. :-)

Question by miiwii3    |  last reply


What frequency are aircrafts flying out of gatwick and could these listen to it ?

Http://cgi.ebay.co.uk/Omega-Multi-Band-Radio-Scanner-Icon-3-Air-Band-Marine-/120600101374?cmd=ViewItem&pt;=UK_ConsumerElectronics_SpecialistRadioEquipment_SM&hash;=item1c145381fe#ht_500wt_1154

Question by wizzywoo    |  last reply



what web sites can I go to to listen to music for free?

What web sites can I download free music with out using a confermation e-mail adress?

Question by Laserman595    |  last reply


I am looking for a device that will listen for a smoke alarm to go off.

All it needs to do is have an indicator that trips when the alarm goes off.  I replace smoke detectors that give faulse alarms but I am never there to hear them.  There are two sounds they make, one is a chirp (low Battery) and a full alarm very loud.?

Question by drvolt    |  last reply


how do I put a microphone at a bird feeder and listen in the house?

This would be very similar to a baby monitor.  Is there a way to transmit the signal from outside to inside the house?

Question by Petie    |  last reply


Can a telephone be used to listen to conversations if only one phone is used? Answered

A friend by complete accident picked up the phone in her bedroom and realized she could hear everything that was going on downstairs in the living room . Thinking she had left the phone off the hook down stairs she went down to replace it back in it's cradle only to find that it was already in it's cradle. She has now found that by picking up the phone in her bedroom she can hear any conversation that goes on down stairs without anyone being aware. However the draw back is her phone is very often engaged even if both phones are in their cradles. She has phoned and had the line checked and was told there is a fault with socket. We are both baffled by this and how it is possible , I would love any feed back on this , the biggest in my mind is... has this been done deliberately by someone or is it just a fluke? Does anyone have the answer . Many thanks if you have taken the time to read this .

Question by colour45    |  last reply


need ideas,suffestions and advices on this project: listening device for bird watching

Having the following specification:1.handheld,battery operated.2.frequency operation in audible frequency range.3.minimum of 30bB signal amplication.4.volume control for final outout stage.5.automatic gain control.6.10 second recording of sound,non volatile storade.7.two output sockets for headsets,5mm jack plug sockets.8.5 hour operational capabilities on one set of batteries.9.On/Off switch with LED indication.10.LEd to indicate recording.11.LED to indicate playback

Question by abrinah    |  last reply


When it comes to noises near your circut breaker, listen to your children.

Well the other day I was at home and my parents were at work. I was hearing some weird noises from around our circut breaker. So I called my dad and told him I was hearing noises and it sound electrical. He didn't believe me until last night until I told him there were more noises comeing from it. So he opened the little door and flipped one of the switch thingies back and forth and it was arcing! So we replaced it and there was this weird blue purpley powder on it. So if your children hear noises around your circut breaker, you might want to check it. My mom said she heard something coming from over there but she thought it was a mouse or rat outside or in the wall. (Our neighbor has rats and they come over to our house all the time)

Topic by Sunbanks    |  last reply


do someone know how to listen to the music in the classroom without being seen/heard by the teacher?

I need to listen to the music during the lessons, but i really don't know how.. suggestions accepted XD thx in advice

Question by BMNBMN    |  last reply


Help needed to install small remote listening device in to a child's battery operated toy

Hi I'm new to this site, I need help in installing a small remote listening device (simcard type) into my child's toy, I already have the device and the toy which I'm going to use, the toy is battery operated, I just want to know how I would connect both items so listening device receives power from toy batteries. Listening device dose have its own power supply but it runs out of power after a few hours. can any one help

Topic by Alik112    |  last reply



Why I'm oppose to war

Follow the money. War profiteers have no morality , This weekend take the time to listen to a vet. Just listen, let them tell what war was like and the discussing how they have been treated when they returned. The art of listening with your ears listen to their voices. Eyes what are you seeing in the faces? look real close to their eyes.What are you feeling in your heart ?

Topic by TimNolan1941    |  last reply


I there a way to play a cd on a CD-rom drive, and listen to it without the support of the computer?

 And if if an be possible, is there a way to monitor and control it VIA micro-controller or analog switches? also the same question for a DVD-rom drive

Question by stormsirens2    |  last reply


How to protect the conversation in the house from evasdropping using microphone listening through walls?

My house is townhouse, walls are made of concrete, 6 inches thick. The next house beside my house shares the same walls with my house. I think he put the microphone through walls because even I just whispered he can hear it and know every conversation in my house. Please instruct me the countermeasure or cheap DIY device that work effectively to protect this situation. Thank you

Question    |  last reply



Is this a spy bug?

Hello everybody, I'm new on this forum and I really need some help in order to find out if one of the devices in the pics is a spy bug or a listening device. Thank you!

Topic by Valentinarossi45  


CAN YOU RECORD OFF PANDORA ON TO YOUR IPAD 2 IF YOUR LISTENING TO PANDORA ON YOUR IPAD2 ? Answered

IS THERE A WAY TO LISTEN AND RECORD MUSIC FROM PANDORA RADIO USEING THE SAME DEVICE? IPAD 2

Question by LITTLE_MOUSE    |  last reply


Anything Brutal?

Anyone listen to anything brutal? if so, What?

Topic by aqren550    |  last reply


Mortal Treason

I want to know how many people listen to Mortal Treason.

Topic by Pat Sowers    |  last reply


How do you make a parabolic speaker, or other non-headphone based personal listening aparatus ?

I have learned to hit the snooze button in my sleep, so I am making a math alarm clock. It makes you do math to turn it off. But since this alarm clock could be on for 30+ seconds, I'm looking for a way to make it not annoy my roommate. I was thinking of a parabolic speaker, but they cost $400+. Anyone know how to make one, or another solution to this problem?

Question by humphreys7    |  last reply


Someone is listening. I think it's a baby monitor or something roomate situation. No babies in house. how to find?

I need to find out how someone in a 3 bedroom house is hearing me. I have a scanner can we track a frequency? what if its wireless. Need help fast.

Question    |  last reply


how do you disable the am/fm radio on a boombox?

i work at a facility where guys can't listen to radio, but can listen to cassette tapes. We need to undo the radio part of the player so they can bring the boombox into their rooms.?

Question    |  last reply


I need away to use my blue tooth ear piece as a transmitter to another blue tooth ear piece.

I need to be able to listen from a short distance away. sort of a spy device.  having its own coded freq. would be helpful too.

Question by Demascus    |  last reply


music

What music do all of you people listen to? techno/trance/rap/pop/rock/metal/country?

Topic by ravebot    |  last reply


my dog keeps running out the door and wont listen...how do i train her not to go out the door??? Answered

 she slips out of the door when no one is looking and its a pain to get her back. We were out until 2:30 am trying to get her last night. please help!!!

Question by tictaclad    |  last reply


Is there something that be done to basic speakers to make them waterproof/resistant?

I have a 2-speaker sound system that I would love to listen to when showering, but I worry about humidity damage,  Does anyone know a simple way to make it safe to listen to in the bathroom?  If there's other issue that I hand;t thought of let me know.

Question by Schmetterling2013    |  last reply


Problems with USB Port on Homemade speaker box, why can't I listen to music and charge at the same time?

Okay, so I have a speaker box that I made myself with a kitted 7w audio amp. I put that in a box with a decent 4 inch speaker, and that was working great. Then I decided that I really need to add some sound reactive lights, so I got a TIP31 transistor and hooked that up along with a 7805 5v regulator to a USB port so I can charge my devices with it. So, the USB port works great, and so does the speakers and lights. But *not* when I plug in my device to charge while it playing music through the 3.5mm audio jack. It gives off this weird fuzzy sound, but still charges. On my multi meter it shows continuity between the USB port and the audio input and speaker, so I first thought that maybe I didn't have something grounded quite right, but it all appears to be set up right. Is there some sort of filter I can set up so that I can charge one device and play music at the same time on the same device? Or would need to set up the two circuits on different power sources? I would really rather not do that for the simple fact of trying to keep it simple... Here's my schematic of it (sorry about it being sloppy, I did it rather quickly but everything on there should be right). Here's a better quality picture of the schematic

Question by froggyman    |  last reply



I haven't been here for a while

Yes, I haven't been here for quite a while. I've been working on my site and making cartoons and music.Since I haven't been here for a while I'll link you to my cartoons and music.Hosted on Newgrounds.com for now while my site is under construction.Newgrounds profile:http://dragonblue80.newgrounds.com/Cartoons:http://www.newgrounds.com/portal/view/484572http://www.newgrounds.com/portal/view/485622Music:http://www.newgrounds.com/audio/listen/217616http://www.newgrounds.com/audio/listen/217641http://www.newgrounds.com/audio/listen/218106I'm also looking into making a DeviantArt profile.

Topic by Radioactv Biohazard  


How can I tell if my stereo speakers are bugged? How can I tell if there's a listening device anywhere in my home?

How can I tell if my stereo speakers are bugged? How can I tell if there's a listening device anywhere in my home? Like in phone jacks, air registers, cell phone, or computer.

Question    |  last reply


Paris Underground (catacombs)

Did anyone else listen to the story of the catacombs of Paris on NPR? I found it intriguing! 

Topic by happyjo    |  last reply


Muse

How many of you listen to them? If so, what's your favorite album? Song? Band member?

Topic by razzlekunai    |  last reply