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pycage's Avatar
Posts: 3,404 | Thanked: 4,474 times | Joined on Oct 2005 @ Germany
#31
Originally Posted by mpjb View Post
i hope that playing the radio through the headphones will bypass the HP filter and hopefully extend battery life.
Is battery life really an issue? I don't think it's so bad even without bypassing.
AFAIK the headset route in the Maemo OS is not so much filtered anyway, because headphones can take the low frequencies and headphones sound better than the speakers which require filtering.
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#32
If I have understood the demo correctly, I should be able to seach stations and only 'mark' those I really want in my list, then I can select from the list? If so, that's great. And it looks super.

The only thing missing (as far as I can see) would then be fine-tuning. Around here I always have to adjust the final frequency do to interference and whatnot. So a +/- stepped in a few hertz would be good.
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Tomaszd's Avatar
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#33
A new version has entered extras-testing. Swiping sensitivity is much, much better now, fine tuning is very easy. Please test and vote.
 

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#34
Originally Posted by pycage View Post
Is battery life really an issue? I don't think it's so bad even without bypassing.
AFAIK the headset route in the Maemo OS is not so much filtered anyway, because headphones can take the low frequencies and headphones sound better than the speakers which require filtering.
it not so much the filtering per se, but the fact that you say that you have to capture the sound stream, record it and then replay the filtered stream back to the speakers that i assume would drain the battery quickly
 
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#35
Maybe you're thinking of capturing in terms of encoding and writing to file. This does not happen. Sound gets directly piped from Line in to audio out by the means of Pulseaudio. That's all. It should be even less battery consuming than playing MP3 because no decoding has to take place.
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#36
now im confused to quote u from an earlier discussion 'N900 and FMradio' dated 11/11/2009

Originally Posted by spanner View Post

Would it be possible to send the receiver output directly to the speakers without recapturing (& hence save battery) when the phones are plugged in?



"The next version will send the output directly to the headphones because this is safe. But the receiver output must not be sent directly to the speakers, because very low frequencies are dangerous for them and have tio be filtered out.

To sum it up: you can save battery in the next version if using headphones for listening."
 
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#37
Just wanted to confirm that the tuning via swipe is much more manageable for me with the latest version. Thanks!
 
pycage's Avatar
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#38
Originally Posted by mpjb View Post
now im confused to quote u from an earlier discussion 'N900 and FMradio' dated 11/11/2009

"The next version will send the output directly to the headphones because this is safe. But the receiver output must not be sent directly to the speakers, because very low frequencies are dangerous for them and have tio be filtered out.

To sum it up: you can save battery in the next version if using headphones for listening."
Maybe I was too quick saying this. Technically, there are bypass switches in the mixer that would allow this. But this is a totally different audio route than with speaker output. It might become feasible once the Maemo OS becomes more aware of the fmradio. But right now, choosing this audio route calls for too much trouble.
Anyway, headphones output is better for battery life, no matter if bypassing pulseaudio alltogether or just bypassing the HP filtering in pulseaudio.
And eventually you want to be able to record radio streams in a future version. Recording wouldn't work with bypassing.
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#39
hey,

any chance we can have a row of buttons on the bottom, marked 1-6
when i press and hold, the button records the current frequency and gives a beep.
when i tap the buttons, make the frequency fly back to the prerecorded frequency.

pretty please, its a very functional usable interface
there is much to learn from the interface inside a vehicle.

Similar functionality has existed for ages and we should make it easy for everyone to understand it
let people swipe the frequency but give them regular controls for small/large steps.
let them use it like their regular radio interface is.
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pycage's Avatar
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#40
The button on the bottom brings up a list with your presets. Isn't that about the same? Or is it one click too much? Two clicks vs one.

And you can name the stations 1 - 6 so that they will appear by this in the list (aka vertical button row).
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