Is there a way to use the EVO Radio app without having any headphones plugged in? I know thats what the evo uses to get signal, but is there a way to edit the app and trick it into thinking it has an antenna on? Because you should still be able to get signal considering the phone has metal and even the headphone jack connector is metal.
Any Ideas? (This would be a sweet hack)
Thanks,
Shawn
I don't think so. The reason the headphones work as an antenna it's because the fm chip uses the headphones as a loop antenna. The ground on the main board does not produce the same loop as headphones.
elegantai said:
I don't think so. The reason the headphones work as an antenna it's because the fm chip uses the headphones as a loop antenna. The ground on the main board does not produce the same loop as headphones.
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Click to collapse
Alrighty. I did not know that...now I do. Thanks. (FYI I thanked you too lol)
It was just a thought.
For sure, it would be much more convenient. I remember an old rom I had when you turned on the fm app it would play static before it detected there were no headphones connected and then muted it.
Public Radio Live Stream app, from the Market, streams lots of radio stations that have web streaming. No headphone/antenna necessary, as you're streaming the program via 3G, 4G or WiFi.
I took an old pair of my headphones and cut off the connector with about 6 inches of wire remaining on it.
I plug that in and use the phone's speaker to listen. Works like a charm
This has been a telepathic transmission from the Outer Limits.
Radio
ccossin said:
I took an old pair of my headphones and cut off the connector with about 6 inches of wire remaining on it.
I plug that in and use the phone's speaker to listen. Works like a charm
This has been a telepathic transmission from the Outer Limits.
Click to expand...
Click to collapse
I have done the same thing but without the extra wire. Maybe we have stronger FM locally.
Related
Has anybody actually managed to use their own headphones using an adapter. Thinking of buying the XDA Orbit but I'm cautious about the usb headphone socket.
Thanks,
Ezman
the bundled headphones are absolute toss! i'd love to be able to use my own...
ezman said:
Has anybody actually managed to use their own headphones using an adapter. Thinking of buying the XDA Orbit but I'm cautious about the usb headphone socket.
Thanks,
Ezman
Click to expand...
Click to collapse
Expansys will ship the adapter on the 8th of December (http://www.expansys.com/p.aspx?i=138247) . I haven't found this adapter anywhere else and I don't know of anyone who has it (except one guy in this very forum???) so I can't let you know if it's acceptable and working as promised or not.
One thing that should be VERY interesting is if the radio reception is good with this adapter and a pair of standard headphones attached to it (and using the FM radio registry hack). Has anybody (who has the adapter of course...) tried it?
well if it's the same as the spv m3100 socket then this should work, not that i have any confidence in my ability to successfully do it
http://www.tracyandmatt.co.uk/blogs/index.php/2006/08/18/orange_spv_m3100_headphone_adapter_hack
Any progress on adapters for this device? It's a bit of a setback to not be able to use your own headphones with this device isn't it? Maybe I just need to get an ipod and shut up but hell, seems like a shame when i could use my old magician as an mp3 player.
Here's someone who uses the HTC S620 Audio Jack Converter.
http://www.howardforums.com/showthread.php?p=8412073#post8412073
I just ordered one but it won't ship until January.
this one i finded today
http://shop.brando.com.hk/htcstereoconverter.php
Mokyman said:
this one i finded today
http://shop.brando.com.hk/htcstereoconverter.php
Click to expand...
Click to collapse
Cool. But will it support the Radio?
http://www.absolutesurf.com/forums/viewtopic.php?t=66
Mod it sucessfully! Sounds awesome with my Sony Ex-51.. I might wanna dump my stereo BT for this.. haha
meer said:
Cool. But will it support the Radio?
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Click to collapse
i think so...
And is the sound level loud enough with this adaptor and a good headphone. I mean with the media player because for all other applications (FM radio, phone, etc...) it's OK.
consono said:
...(and using the FM radio registry hack)...
Click to expand...
Click to collapse
Does this registry hack exist? I would love to be able to use my own headphones instead of the crappy XDA ones.
HKLM/System/State/Hardware/
set Headset to '1'
but the next time, your headset is connected and reconnected, the registry entry is again reset to '0'
it makes no sence to use the 'hack', cause all You will get is broadband noise without an antenna connected.
if you are familar with soldering, you can open the mic-housing (carefully with your fingernails), unsolder the headphones, and replace it with an 3.5mm female jack. So you can use Your own headphones, and the antenna is still connected.
meer said:
Cool. But will it support the Radio?
Click to expand...
Click to collapse
No it doesnt, although i have this adapter in my car so i can run the mp3s off my phone, and the car stereo has radio anyway, which i may add never has anything good on anyway
Also, when this adapter is connected to the car, when someone rings i can hear them through the cars speakers but the adapter blocks the microphone signal so the person calling cannot hear me
kinski said:
HKLM/System/State/Hardware/
set Headset to '1'
but the next time, your headset is connected and reconnected, the registry entry is again reset to '0'
it makes no sence to use the 'hack', cause all You will get is broadband noise without an antenna connected.
if you are familar with soldering, you can open the mic-housing (carefully with your fingernails), unsolder the headphones, and replace it with an 3.5mm female jack. So you can use Your own headphones, and the antenna is still connected.
Click to expand...
Click to collapse
This is actually quite easy to do, just buy a socket from Maplin for about £3 then solder between the mic and the crappy htc eadphones. Viola - I now have my senheissers back AND mic and radio function! OK I do have about 2 metres of cable to route around my clothing but that just adds to the fun.
debully said:
This is actually quite easy to do, just buy a socket from Maplin for about £3 then solder between the mic and the crappy htc eadphones. Viola - I now have my senheissers back AND mic and radio function! OK I do have about 2 metres of cable to route around my clothing but that just adds to the fun.
Click to expand...
Click to collapse
Just did that last weekend, but when I popped open the housing with my fingernail, well there really is not enough room to fit a jack socket in there, with the headset that comes with the o2 orbit anyway, the mic is right in the way. I had a really slim socket all ready to go which I'd pulled out of a tiny broken sony radio. So I had to just chop the end off a 3.5mm extension lead with a nice ready moulded on socket. It was a 5 min job and looks like it was made that way, everything still works.
My car doesn't have a tape player or an aux plug, so the only way to play music in my car is through a transmitter. Currently I have one for my iPod but I'd like to switch over to using it for my phone instead. Does anyone use one of these that can recommend a good one?
If im not mistaken but the usb ports on the evo have no audio going to it.
Just to let you know
i did a quick google search they are a ton of them that plug into the audio jack of the evo.
Doesn't the evo already have an fm transmitter in it..
Sent from my HTC EVO 4G.
yep it does, did somebody figure out how to exploit that and send music to a car radio, im gonna have to look around for that. it'll give me something to do!
BT + FM Transmitter $50:
http://www.amazon.com/Jabra-Cruiser-Bluetooth-Car-Speakerphone/dp/B002PY7P2U/ref=pd_cp_cps_0
FM Transmitter $35:
http://www.amazon.com/gp/product/B003MXM23K/?tag=touchqwerty-20
Option 1 gives you more freedom to be wireless and mobile. But you have to keep it charged.
Option 2 means setting your phone somewhere is going to be awkward unless you have a windshield mount, in which case you're going to have 2 wires dangling off your phone/windshield while you drive. Pick your lesser of two evils, until someone releases an App that lets you transmit music straight to an FM signal from your phone itself (no 3rd party hardware required).
Last I read earlier this week...there is still discussion about whether it really is a transmitter. Then if it is...it is all broadcom and not open source drivers.
I just ordered one of these http://www.bestofferbuy.com/index.php?main_page=advanced_search_result&inc_subcat=1&search_in_description=1&categories_id=&keyword=3.5mm+Male+to+iPod%2FiPhone+2G%2F3G%2F3GS+Female+Adapter+Cable+-+Black+%2895CM-Length%29&x=0&y=0
I already had the fm transmitter from my iphone, so all i needed was a cheap little adapter. All it does is convert the ipod connecter to a 3.5 jack.
hope someone finds out how to exploit built in fm transmitter
Depending on where your auxiliary power plug is located...I like this concept. FM transmitter, phone holder & charges all in one. Seems like it gets very good reviews.
http://www.amazon.com/Advanced-Syst...NDROID/dp/B002UKTABI/ref=cm_cr_pr_product_top
This is what i've been using:
http://www.amazon.com/Belkin-F8M066-Tunecast-Auto-Universal/dp/B000WVVX6W/ref=sr_1_4?ie=UTF8&s=electronics&qid=1280434642&sr=8-4
it works really well and is currently on sale at amazon $21.38 normally $47.91
SilverStone641 said:
This is what i've been using:
http://www.amazon.com/Belkin-F8M066-Tunecast-Auto-Universal/dp/B000WVVX6W/ref=sr_1_4?ie=UTF8&s=electronics&qid=1280434642&sr=8-4
it works really well and is currently on sale at amazon $21.38 normally $47.91
Click to expand...
Click to collapse
I bought that exact one from Target... and returned it the next day. Seems like EVERYTHING interferes, it doesn't let you go under FM88.1, the bass is horrifically BAD, and I get some really crappy signal distortion if my phone is charging while this is plugged in (WTF??)
What I ended up going with is a module that plugs into my XM receiver and gives me a 3.5mm TRS plug, which can either be plugged into my Zune or my phone (or anything...) without having to transmit that signal to a FM station... it's basically straight into the head unit. No more bass issues at all.
I know it isn't what the OP was looking for, but I was looking for something along the same path. I purchased a kit to add RCA inputs to my stock '03 cobra stereo and that worked wonderfully. I had a 3.5mm to rca cable plugged into it so I could listen to Pandora. I was reading about Bluetooth A2DP and was looking for a A2DP to RCA convertor. Found a nice little gem, the Motorola T605 hands free with A2DP. I'm going to order it next month and install it.
http://www.amazon.com/Motorola-T605..._1_1?ie=UTF8&s=wireless&qid=1280501255&sr=8-1
Is there ever a possibility of hacking the evo's fm radio to become an fm transmitter?
Sorry if this is duplicate, searched around and didn't see anything else on it.
Sent from my PC36100 using XDA App
I wish
I highly doubt it. Taking a screen and making it into a camera is pretty much what your asking. Maybe you can buy a portable FM transmitter and somehow cram it into a external case that sticks out similar to the 3500mah battery.
mrusheen said:
I highly doubt it. Taking a screen and making it into a camera is pretty much what your asking. Maybe you can buy a portable FM transmitter and somehow cram it into a external case that sticks out similar to the 3500mah battery.
Click to expand...
Click to collapse
no the hardware actually says its possible to transmit as well as recieve fm radio. now if someone could actually make it work....
mrusheen said:
I highly doubt it. Taking a screen and making it into a camera is pretty much what your asking. Maybe you can buy a portable FM transmitter and somehow cram it into a external case that sticks out similar to the 3500mah battery.
Click to expand...
Click to collapse
radio transmitters and receivers aren't fundamentally that different. It's likely possible, but you would need to write it into the kernel.
I would love to see this happen and show it off to a friend that works with the Civil Defense.
No can do. A radio receiver, and transmitter do contain some of the same circuitry but are arranged differently. No software can change that. Plus the phone is not FCC type accepted for transmitting on the FM broadcast band.
sent from my Evo 4G using Taptalk
kf2mq said:
No can do. A radio receiver, and transmitter do contain some of the same circuitry but are arranged differently. No software can change that. Plus the phone is not FCC type accepted for transmitting on the FM broadcast band.
sent from my Evo 4G using Taptalk
Click to expand...
Click to collapse
The phone has an FM Radio Transceiver capable of both broadcasting and receiving. I believe the major reason why we haven't seen a transmitter mode, even HTC, is due to FCC licensing. I'm not too savy on the FCC's world, but I would imagine that the EVO's transmitter would fall under the same low-power group as those little iPod and other PMP FM transmitters that just plug in to the headphone jack.
Might be something to bring up with Cyanogen and some of the kernel devs, after they get the FM receiver working.
I'd like to see this... Bring it up to cyanogen...
Sent from my PC36100 using XDA App
Ah, what exactly do you guys want to transmit? Signal wouldn't get very far...
We've been through this before.
http://forum.xda-developers.com/showthread.php?t=693253
http://forum.xda-developers.com/showthread.php?t=748007
khov07 said:
Ah, what exactly do you guys want to transmit? Signal wouldn't get very far...
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Click to collapse
Some of us have cars which are too old to have an Auxilary input, but too new to have a tape deck.
Ha! I read some other posts, and realized that it would definitely be a handy feature. I resigned myself to burning CD's from my music collection, as it got annoying to connect my iPod to an FM transmitter. Extra wires, chargers, and so on.
Well, hopefully someone figures it out. Probably kill the battery though.
drmacinyasha said:
Some of us have cars which are too old to have an Auxilary input, but too new to have a tape deck.
Click to expand...
Click to collapse
I would suggest a hardwired FM modulator to add an aux port. My wife's 2004 Mitsubishi Endeavor didn't have one and the FM transmitters sounded crappy to me. Took me about an hour to hardwire a FM modulator in and now she essentially has an AUX port. It sounds much better than the transmitters since it's injecting it's FM frequency directly through your radio's antenna port.
Here's one pretty similar to what I installed - LINK
The drawback compared to a FM transmitter is that this is not portable.
Another possibility is to just purchase a new radio. Some car stereo's with aux inputs are cheaper than a new EVO.
I stopped using my FM transmitter with my iPod a long time ago because I hated the extra cables, and the transmission wasn't very good, though I tried several.
khov07 said:
Another possibility is to just purchase a new radio. Some car stereo's with aux inputs are cheaper than a new EVO.
I stopped using my FM transmitter with my iPod a long time ago because I hated the extra cables, and the transmission wasn't very good, though I tried several.
Click to expand...
Click to collapse
Is there some car audio manufacturer that actually makes nice stock-looking radios with features like BT, equalizer, and aux-in, without having to have 20 blinking LEDs or looking like it was part of a boombox from the 90s?
I want to take an old set of headphones and cut the headphones off and make an fm antenna out of the cord and plug. Once I plug the cord in however, will it still let me use my bluetooth stero headset to listen the the radio?
ElAguila said:
I want to take an old set of headphones and cut the headphones off and make an fm antenna out of the cord and plug. Once I plug the cord in however, will it still let me use my bluetooth stero headset to listen the the radio?
Click to expand...
Click to collapse
I'm not positive, but I believe that when you plug into the headphone jack, it overrides the option for bluetooth.
Not to mention, if you just cut the headphones off, there won't be a complete circuit. If the phone doesn't detect a circuit, it may not even recognize that the wire is plugged in. If you cut the phones off and twist the wires together, it would make a circuit, but MAY cause a short, potentially damaging the phone. I know the signal to the headphones is a very low voltage, but with no resistance at all, it may be enough to do damage.
thenewguy821 said:
I'm not positive, but I believe that when you plug into the headphone jack, it overrides the option for bluetooth.
Not to mention, if you just cut the headphones off, there won't be a complete circuit. If the phone doesn't detect a circuit, it may not even recognize that the wire is plugged in. If you cut the phones off and twist the wires together, it would make a circuit, but MAY cause a short, potentially damaging the phone. I know the signal to the headphones is a very low voltage, but with no resistance at all, it may be enough to do damage.
Click to expand...
Click to collapse
I'm not sure that's right. If I remember correctly, FM only requires a dipole antenna (single wire, ie a car antenna), and AM requires a loop antenna. Also, I know that none of my headphones create a closed circuit, that's what the little black bars are on the plugs, they separate the different connections from touching, hence you get stereo sound.
muzz3256 said:
I'm not sure that's right. If I remember correctly, FM only requires a dipole antenna (single wire, ie a car antenna), and AM requires a loop antenna. Also, I know that none of my headphones create a closed circuit, that's what the little black bars are on the plugs, they separate the different connections from touching, hence you get stereo sound.
Click to expand...
Click to collapse
There are 3 contacts (The metal part between the black separations) on a Headphone plug. +Left, +Right, and -Common (Used both L and R). A Stereo Phone headset has 4 contact points ( +L, +R, Mic and -Common) The Speaker in a headphone acts as a resistor in the complete circuit from the +L to -Common and +R to -Common. While it is true that FM doesn't require a loop antenna, the Phone, which requires a headset to be used as an antenna will not recognize there is a headphone connected if there is no circuit. (If there is no Speaker between the positive and negative lead of the headphone wire)
To add to this, if you use a regular headphone, rather than a phone headset, it doesn't make a very good connection, and has very limited, if any FM reception.
With regard to the bluetooth question, all you need to do is connect to bt after you plug in the headphones. I believe the evo just outputs to the last connected item.
Why bother cutting up the headphones and then not being sure if it works. Just leave the headphones plugged on as is and connect to you bt.
Sent from my PC36100 using XDA App
Thanks to all for you input. I was going to remove the headset because I wanted to make an antenna that I could carry in my pocket when walking without the bulky headphones sticking out of my pocket.
ElAguila said:
Thanks to all for you input. I was going to remove the headset because I wanted to make an antenna that I could carry in my pocket when walking without the bulky headphones sticking out of my pocket.
Click to expand...
Click to collapse
Pick up a cheap set of earbuds. They are small enough they shouldn't be too bulky in your pocket.
This is not something new and have been shown many times in YouTube. It is interesting to have for any phone with 3.5mm audio jack that can be easily done within a few minutes. I do not use my headset with my phone so this would be a nice hack to have around to listen with your friends on some local radio without consuming your data plan and phone battery.
Find a headset that you do not need. We only want the part with the 3.5mm audio jack. Just trim it down to about 20cm in length and fold it in half and tie a knot at the end. I tied a lasso knot at the end just so I can adjust the length of the receiver later on though it may not help much in reception quality.
Tested several length from 1 meter all the way to 20 centimetres and found not much difference in reception quality for a fact that you will be using your loudspeaker to listen to the FM radio. The same with whether to loop or not to loop the receiver but looping the receiver gives it a cleaner look while maintaining the same reception frequency.
Putting your phone too close to a human body greatly interferes with the FM signal. On the other hand, placing your phone on a metal table may enhance the FM reception.
Perhaps those who have knowledge in electronics can shed some light to optimize this simple hack further.
Have fun...
I didn't know. Works like a charm !! Thank You
Doesn't work for me. When I plug in the trimmed headset cable with the ear pieces cut off, the FM App keeps asking me to plug in a headset. Works OK when I plug in an untrimmed headset and switch to speaker in FM App menu.
Is there a further trick to getting this to work? Are you using the stock FM App?
I had the same problem myself, and it stems from the fact that smartphones will interrogate any headset you plug in to check if it is suitable. There are basic stereo headphones with three contacts on the jack plug (from the tip they are left, right and ground) and should work on any phone regardless. But there are two variants of headset (i.e. those with a microphone) that use four contacts, the difference being whether they connect the mic on the third or fourth contact.
As of 2016 most manufacturers have standardised on one system (left, right, mic then ground), but there are enough older phones and matching headsets out there that use the alternative pinout scheme. For example my old Sony Xperia used L-R-G-M (the same as say Blackberry), necessitating the use of an adapter for certain accessories. My latest Z5 however, has moved to the L-R-M-G pattern, which means I can no longer use my favourite old Sony headset anymore, not even as plain headphones, the Z5 just refused to talk to them.
That explains why a dumb wire might not work with a smartphone, because it is looking for a signal loop on all four (or three) contacts to try and figure out what's been plugged into it. The solution is to short out the wires to fool the phone into thinking there actually is something on the other end. Simply bare all of the wires at the cut end of the cable, burn off the fine lacquer or cotton that is used as an insulation, then twist the wires together to short them all to the ground. Better still, solder them together and cover with a bit of heat-shrink for a proper finish.
Found some pre-made antennas in ebay, you can try searching for 3.5mm antenna. They look pretty decent. I am also looking for compatible antenna, if any, that is compatible for steven303's new headphone jack.
Edit: did some research and found that the 3.5mm steven303 mentioned is called '3.5mm 4 conductor' or 'TRRS antenna 3.5mm', you can try searching for them in ebay or look for similar ones lying around with wires long enough to be loops around to be used as antenna for new phones with the new type of head jack.
I got two item I think can be suitable for this purpose; search with the following keyword in ebay;
1. 3.5mm 1/8'' Male To Male 4-Pole 3 Ring TRRS AV Audio Extension Cable 1.2M/4Feet
2. 4-Pole 3Ring TRRS 3.5mm (1/8'') Male To Female AV Extension Cable 3FT/1M Black
I have an additional issue. I use my phone's fm radio feature with an old pair of headphones for an antenna and listen via blue tooth headphones when I'm running or just working around the house, etc. My problem is that as the phone moves around in my pocket, the movement causes the phone to think the headphones came unplugged for a second and the radio turns off. When that happens I have to take the phone out and turn the radio back on. This happens often enough that it is a pain in the neck.
A separate but related issue. With some old, non functioning headphone cables the phone doesn't think there is anything plugged into it. I am lucky in that my phone gives me the option to "Play anyway through speaker or bluetooth". So even though it thinks there isn't anything plugged into it, I do, and I have good FM reception.
Here is what I want: I want to know what to do to my old headphone wire so that my phone doesn't think there is anything plugged into it when it is, in fact, plugged in. I hope that makes sense!