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-   -   Transmit call over FM (https://talk.maemo.org/showthread.php?t=44968)

ShR3K 2010-02-18 11:28

Transmit call over FM
 
Hello everybody,
Before everything, sorry for my English : I'm French:D. I'd like to know if it exists a software to transmit a voice call over FM. To explain, I'd like to be able to answer to a call when I'm driving without take my phone in my hands.
Thanks

krk969 2010-02-18 11:29

Re: Transmit call over FM
 
you could use a bluetooth reciever instead, on FM someone might even overhear it if they happen to tune in accidently nearby :p

but I like your idea nevertheless :) to do it over FM !

badboyuk 2010-02-18 11:37

Re: Transmit call over FM
 
or the other altnernative way for now would be that you could connect a line in audio wire from the n900 to an fm transmitter an it will be able to play ur music as well as the calls on the radio. Or you could hook the n900 up to a cassette adapater that folk used to use for the portable cd players.
Again these are just ideas/solutions for now, until someone makes an app for the n900 to transmit the calls via its own fm transmitter.

pillar 2010-02-18 11:41

Re: Transmit call over FM
 
https://bugs.maemo.org/show_bug.cgi?id=8206

This is a bug I created some time ago about this issue, please go ahead and vote for it, maybe it will get implemented. It would definitely be a nice feature - I have a nice car stand for my N900, but answering a phone call is a pain since the speaker is not loud enough (due to the car noise). Being able to hear the phone call over FM would solve this nicely - no bluetooth sets needed.

redhotfoo 2010-02-18 12:30

Re: Transmit call over FM
 
I hope the developers will add a button in the options to choose between speaker or FM.

Please vote:

https://bugs.maemo.org/show_bug.cgi?id=8206

Soppa 2010-02-18 14:46

Re: Transmit call over FM
 
I wonder if there are some legal issues behind this, as in, is it legal to transmit a conversation to FM when the person in the other end does not necessarily know it. Since anyone in the vicinity can pick it up easily, and in fact by chance.

pillar 2010-02-18 14:51

Re: Transmit call over FM
 
@Soppa, if you have it over loudspeaker, some other people can overhear it too. I don't see the problem. Then again, some laws defy all logic..

Soppa 2010-02-18 14:53

Re: Transmit call over FM
 
Quote:

Originally Posted by pillar (Post 534500)
Then again, some laws defy all logic..

Ain't that the truth!

Duffer 2010-02-18 14:59

Re: Transmit call over FM
 
The app may need some sort of feedback suppression, but good idea :)

Kham 2010-02-18 15:01

Re: Transmit call over FM
 
Most definitely not a good idea to do it over FM. Anyone in nearby cars or with a cheap handheld radio set can overhear it. Using the audio out is a much better idea. However, if you really want the FM, I'm sure it won't be difficult.
Kham

pillar 2010-02-18 15:11

Re: Transmit call over FM
 
@Kham, well if you don't like to use it that way, then it's your right to not use the feature. But it doesn't mean that there are no others that would very much prefer this over other options requiring cables/headsets.

Concerning the privacy, I would not feel the least bit of worried that someone is trying to listen while talking over FM in my car. The signal is not that strong (I mean, people have needed to make a boost app just to be able to receive it themselves!) and car constantly moving, channel something that most likely no-one would listen (nothing there). Of course, I don't do any illegal deals or anything which would require absolute secrecy :)

I think you are right that it probably is not that difficult to do, but getting Nokia to do it (and before "fixed in harmattan) can be..

peio 2010-02-18 15:48

Re: Transmit call over FM
 
It would be useful if GPS voice guidance (when available) was transmitted over FM
In fact, all the sounds should be transmitted once FM-transmitter in ON

redhotfoo 2010-02-19 03:19

Re: Transmit call over FM
 
I do not discuss issues like killing someone, bank robbery or making a bomb on my mobile phone. So who cares if a car passing you on the highway COULD hear your conversation. By the way the probability that a bypassing car has the exact same frequency adjusted in his radio AND drives close enough to you is almost 0%. If this almost impossible case happens, he might not even hear your conversation, but what only you collocutor on the other side tells you.

So what?

ssjtoma 2010-02-19 05:16

Re: Transmit call over FM
 
Quote:

Originally Posted by peio (Post 534615)
It would be useful if GPS voice guidance (when available) was transmitted over FM
In fact, all the sounds should be transmitted once FM-transmitter in ON

I totally agree with that. Should be able to transmit any audio in FM.. I voted for the bug btw! Let's cross fingers, but I don't think anything will happen..

Crude 2010-02-19 05:31

Re: Transmit call over FM
 
ShR3K, if all you are looking for is a FM transmitter than the N900 has it already built in. All you need to do is set a frequency not used by any radio station in your car and set the same frequency on the N900 and your good to go.
The phone calls (once answered) can be heard through the speakers of your car. There is even a widget out there which allows you to turn the transmitter on with just a tap.

I don't know if this is what you meant but hope it helps.

p.s. The only problem with this system is that you have to keep the mobile close so that your voice can be heard.

YoDude 2010-02-19 06:14

Re: Transmit call over FM
 
If you would be willing to tune your radio to an empty radio station, leave it there all the while listening to the white noise so you can push a button on your phone if you get a call, I'm sure it can be done.

This guy does it for only $10 ...without any additional software.
>> https://www.jupiterjack.tv/?cid=703040


However, notice he says "instead of hearing music". :)

You could have a preset on your radio to the best frequency for your area that would require two button pushes if you are listening to another station when a call comes in. One for the phone and one for the radio. But then, it would only work consistently well if you stayed in one area while driving your car.
What I mean is, in the Philadelphia area for instance 95.3 works well until you go just north of the city, then 105.6 needs to be tuned. If you go south then 88.9 is the best frequency. In a 30 mile drive you would have to change the transmit frequency of the phone and the frequency of the radio 3 times...

Your best bet is something like >>THIS<< using the phones Bluetooth.

acano 2010-02-19 06:39

Re: Transmit call over FM
 
I succed to do it sometime ago without any extra software. Even I also was able to speak through my telephone when I has my N900 connected to the TV. Amazing!!!


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