View Poll Results: Will you buy RadioMax USB?

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  • Yes

    10 62.50%
  • No

    1 6.25%
  • It's too expansive

    5 31.25%
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Thread: RadioMAX - FM, AM, WB, RDS USB Car PC Radio + DAB/DAB+, HD Radio, GPS Loger

  1. #11
    Maximum Bitrate tempgp's Avatar
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    good more front end support is always beneficial
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    Acura / Honda A/V CarPC Adapter GA-NET+ - Convert your native navi DVD unit to CarPC + Dash buttons are usable in car pc!!!
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  2. #12
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    I am with Stretch4x4. My requirements are pretty basic - FM and DAB+. I already have GPS and wifi, and can tether the PC to my phone for 3G.

    It does sound like a very interesting project though, particularly for those that don't already have an established setup and are trying to minimise hardware

  3. #13
    Maximum Bitrate tempgp's Avatar
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    well speaking of existing GPS im entering New Jersey today via tunnel and when i get out GPS can not acquire satellites
    thats some what why i so want to have reliable GPS unit on the board
    Automotive LED Headlight Module High Power VS HID NEW
    Acura / Honda A/V CarPC Adapter GA-NET+ - Convert your native navi DVD unit to CarPC + Dash buttons are usable in car pc!!!
    Centrafuse Garmin Mobile PC Skin - GMPC Rebellium Skin

  4. #14
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    @teamgp

    seems you going straight forward with your radio Project.
    I hope you will finish it!

    I think you have a list of potential customers. You can count on me too!

    I would buy your Radio with FM and DAB+ Tuner.

    As Frontend I would use CF 3.5 / 4 or RideRunner
    OS is Win7


    Greets from Germany!

  5. #15
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    @teamgp

    I would buy your Radio with DAB+ module.

    As Frontend I want to use CF 3.5 or RideRunner.

    How is the progress on your receiver?
    Which DAB+ receiver do you want to use?


    Greetings from Germany!


    By the way, I know at least two more persons which are interested in your FM DAB+ Tuner. And I also think there much more here in germany....

  6. #16
    Maximum Bitrate tempgp's Avatar
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    good that there is interest!
    we are finalizing the designs at this point. FM and DAB add on will be released at the time time. DAB/DAB+ will be based on KeyStone chip, they are specifically designed for automotive applications. I will not be able to test DAB tough so will have to rely on 1st buyers to tell me how good the quality is, but since DAB is digital then we should not have any problems ... well maybe we will be able to pick up some signals in Russia
    Automotive LED Headlight Module High Power VS HID NEW
    Acura / Honda A/V CarPC Adapter GA-NET+ - Convert your native navi DVD unit to CarPC + Dash buttons are usable in car pc!!!
    Centrafuse Garmin Mobile PC Skin - GMPC Rebellium Skin

  7. #17
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    I would also like to buy a radio with continued CF support. The sound quality in your FM sample is rather bad though. A lot of distortion but the audio level is also very (too) high and I guess it is the recording rather than the radio itself that is the culprit...

  8. #18
    Maximum Bitrate tempgp's Avatar
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    the audio level was set to max on the radio... how would you recommend to evaluate sound quality?
    Automotive LED Headlight Module High Power VS HID NEW
    Acura / Honda A/V CarPC Adapter GA-NET+ - Convert your native navi DVD unit to CarPC + Dash buttons are usable in car pc!!!
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  9. #19
    ibf
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    Yes definately distorted sound. The low volume in the classical music sounded ok (about 75% through the recording) Still some distortion getting through though, just bad reception maybe?

    As suggested reduce the volume and see how it goes.

    As for the DAB module, Im pretty sure that support FM also? so why not use that on the base board and drop the silab chip altogether? Make the WB and AM optional instead? I cant speak for everyone but I didnt think those 2 bands are that useful.

    If you have the I2S connection, why not record directly off that instead, that is the best possible test and demo you can do.

  10. #20
    Maximum Bitrate tempgp's Avatar
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    Quote Originally Posted by ibf View Post
    Yes definately distorted sound. The low volume in the classical music sounded ok (about 75% through the recording) Still some distortion getting through though, just bad reception maybe?

    As suggested reduce the volume and see how it goes.

    As for the DAB module, Im pretty sure that support FM also? so why not use that on the base board and drop the silab chip altogether? Make the WB and AM optional instead? I cant speak for everyone but I didnt think those 2 bands are that useful.

    If you have the I2S connection, why not record directly off that instead, that is the best possible test and demo you can do.
    in reverse, i have I2S output on the chip but i don't have a recorder module just yet (of course i can do firmware and record WAV on SD card but that may be a lot of work )
    As to what to slect as main chip for a base board... DAB chip m using does not fave FM (but I can get one w/ FM though) but main reason for using AM/FM/WB chip as main is that AM is everywhere and DAB is only available in select countries. So since im in USA and main distribution base is here and in Russia (where dab is not used even though it is broadcasted) i think it makes more seance to use something that is used every where on base board rather then something that is used in certain locations.

    On another hand maybe it is reasonable to create base board without any radio on it at all and then buyers can select which add ons they need. This may work better but it will increase production cost and there might be problems with antenna performance as longer lead line is needed (although FM is not 2.4Ghz so RF leakage should not be a big deal
    Automotive LED Headlight Module High Power VS HID NEW
    Acura / Honda A/V CarPC Adapter GA-NET+ - Convert your native navi DVD unit to CarPC + Dash buttons are usable in car pc!!!
    Centrafuse Garmin Mobile PC Skin - GMPC Rebellium Skin

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