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Thread: Alpine AINet CRC solved

  1. #141
    FLAC PhilG's Avatar
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    Mitch did say he would make me a Sirius translator box with optical out if I wish. I haven't asked yet because I need to figure out how to get the sources from the PC and from Sirius box to work smoothly.
    For example, if the new board from this thread can control input selection on the H701 from a button in CF, thats great but one instance of an issue would be voice prompts from NAV:
    Can the board be programmed to switch sources on the H701 to announce a turn in NAV when audio is called for from the NAV program then back to the Sirius box?

    Does the H701 respond that fast to source switching?

    I have not had an opportunity to investigate any of this yet but I sure like the idea of getting the Sirius box off of a 3.5mm line-in on my sound card!

    Also, Alpine recommends after tuning the system that all volume adjustments are made from the Alpine controller, do not touch the source output level. This makes sense, why turn down the pre out voltage and introduce more s/n?

    So my question is can a plugin be written and will someone else do it (because I am dumber than a bag of hammers when it comes to code) to allow volume control through CF to control this boards volume (which duplicates the controller) without messing with the Windows mixer volume levels?
    That would mean when I turn up my Griffin Powermate, I am actually not touching wiindows volume but rather the controller volume for the H701.

    If all of the above can be achieved, I will be ordering one of these boards but not until the plugins are availaible to use it. I just don't have the knowledge to create them.
    My 2007 Ford F350 Work Log located HERE

  2. #142
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    Quote Originally Posted by PhilG View Post
    Can the board be programmed to switch sources on the H701 to announce a turn in NAV when audio is called for from the NAV program then back to the Sirius box?

    Does the H701 respond that fast to source switching?
    You could connect analugue audio output to one of the reserved input lines and modify firmware so it would switch the inputs as soon as it will detect signal. You'll just need to ensure that audio signal voltage will not exceed 5V (i.e. add some external protection logic).

    H701 respond quite fast on the source switching.

    Quote Originally Posted by PhilG View Post
    I have not had an opportunity to investigate any of this yet but I sure like the idea of getting the Sirius box off of a 3.5mm line-in on my sound card!

    Also, Alpine recommends after tuning the system that all volume adjustments are made from the Alpine controller, do not touch the source output level. This makes sense, why turn down the pre out voltage and introduce more s/n?

    So my question is can a plugin be written and will someone else do it (because I am dumber than a bag of hammers when it comes to code) to allow volume control through CF to control this boards volume (which duplicates the controller) without messing with the Windows mixer volume levels?
    That would mean when I turn up my Griffin Powermate, I am actually not touching wiindows volume but rather the controller volume for the H701.

    If all of the above can be achieved, I will be ordering one of these boards but not until the plugins are availaible to use it. I just don't have the knowledge to create them.
    CF plugins are out of my scope, sorry. Hope someone will create it for community.

  3. #143
    FLAC PhilG's Avatar
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    ^^^ Thanks for the reply Nik,

    I'm not sure the audio from nav can be separated from the balance of the audio from the pc. So this solution might work if the Sirius adapter was ran ran directly to an input on the 701 but I doubt it would work while playing audio from the pc.

    Will respect to the plugin, I didn't mean specifically you though. There are some of the guys on here that create plugins for CF. I am willing to pay and I would think others out there going to the trouble of using this board would want it to behave the same way. The 700/701 is all about SQ so I would expect everyone using this board would want to benefit from better s/n ratio by using that plugin.
    I will post of on the CF forums as well.
    Thanks!
    My 2007 Ford F350 Work Log located HERE

  4. #144
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    Quote Originally Posted by hondabldr View Post
    Just got my h701 today and installed it Just gotta say my excitement for carpc`s just picked wayyyyy back up!!! Ohhh man Optical out into the processor and then to the amps it so amazingly clean, I cant wait for this PC Interface, Please dont give up
    I got few production boards last Friday. This week I'm going to finalize the firmware and publish it. Boards are ready for shipping already.
    First one will go to Colin (viper_1), hope he'll share his experience here.

    P. S. H701 equipped with pretty good DSP (basically the same as H900), but it's suffer from cheap PCM1608 DAC with poor output stages. You won't believe how much better it could play after complex tweak with DAC replaced to set of PCM1794 with very high quality output.

  5. #145
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    Quote Originally Posted by Nik1976 View Post
    I got few production boards last Friday. This week I'm going to finalize the firmware and publish it. Boards are ready for shipping already.
    First one will go to Colin (viper_1), hope he'll share his experience here.

    P. S. H701 equipped with pretty good DSP (basically the same as H900), but it's suffer from cheap PCM1608 DAC with poor output stages. You won't believe how much better it could play after complex tweak with DAC replaced to set of PCM1794 with very high quality output.
    Thanks Nick,
    Can't wait to have a play with it (H701 all set up and waiting), and I certainly will provide some feedback.
    Colin.

  6. #146
    FLAC PhilG's Avatar
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    Quote Originally Posted by Nik1976 View Post
    I got few production boards last Friday. This week I'm going to finalize the firmware and publish it. Boards are ready for shipping already.
    First one will go to Colin (viper_1), hope he'll share his experience here.

    P. S. H701 equipped with pretty good DSP (basically the same as H900), but it's suffer from cheap PCM1608 DAC with poor output stages. You won't believe how much better it could play after complex tweak with DAC replaced to set of PCM1794 with very high quality output.
    And let me guess, the DAC is not socketed, right?
    My 2007 Ford F350 Work Log located HERE

  7. #147
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    Quote Originally Posted by PhilG View Post
    And let me guess, the DAC is not socketed, right?
    Sure thing, it's a separate board installed inside H701 case between two mainboards.
    You could find the images here:
    http://translate.google.com/translat...n&hl=&ie=UTF-8

  8. #148
    FLAC PhilG's Avatar
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    Here's a post from another forum. Based on this prognosis, I think I will love it the way it is or replace it later. The cabin space in my truck is not even close to acoustically worthy of more than a 700/701...yet anyways.

    Quoted from: http://www.dynamicautoacoustics.com/...hp?topic=254.0

    "I went down this road... spent a lot of time and money in R+D and that was with a VERY experienced amplifier and processor engineer doing all of the work and although it was pricey........ I will say hands down..... absolutly a major improvement..... however it was a lot more than just output devices and a power supply.... there is more to replace than what you keep.... ill leave it at that.... I will tell you that if you jsut swap out the output devices you are going t open up a can of worms of other problems that will be created from it in both long term and short term...

    Ill be doing the same mods to my other 701 in my daily driver.... There was that much of a difference..."
    My 2007 Ford F350 Work Log located HERE

  9. #149

  10. #150
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    did the two people i sent unilink/ainet connector to them, ever get them?
    just wondering...
    -Thanks
    Mitch
    www.rush2112.net

    "Did you test it in carwings??"

    Sun, Come shine my way
    May healing waters bury all my pain
    Wind, Carry me home
    The fabric of reality is tearing apart
    The piece of me that died
    Will return To live again

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