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External Microphone Support for IOS

Tony Taddeo
Tony Taddeo Member
edited August 2020 in New Ideas
Firstly, congratulations on a great IOS app and interface to control a Flex 6x00 radio.

Though this idea has been mentioned previously, could you consider support for an external microphone connected to an IPhone/IPad other than through the 3.5mm phono socket or Bluetooth.

When connecting an external microphone digitally through the lightning connector, such as a Sure MV88 or via a digital sound card interface, the microphone is not detected and unavailable for use when using smartSDR for IOS. Note the same microphone (or digital soundcard interface) is detectable by IOS and available for use by other communication apps such as Skype.


image

As a side note, I have tried various Bluetooth headsets that work fine over mobile data connections (3G/4G) however, they can produce choppy audio and interfere with the network connection when operating on 2.4ghz WIFI networks in the real-world due to cross interference of Bluetooth and WIFI on the same band.

regards
Tony
VK5TT
2 votes

Open for Comments · Last Updated

Comments

  • Cal  N3CAL
    Cal N3CAL Member ✭✭
    edited March 2017
    +1 on Tony's request!    
  • WV9L
    WV9L Member ✭✭
    edited November 2019
    i have a headset and a lightning port adapter. I even used the stock headphones with luck.  However, after this recent update that came out, something has gone amiss. When i plug in the headphones, there is no audio, with the app. I have made a post about this, and hopefully they find the bug and get it fixed.
  • Ria
    Ria Member ✭✭✭
    edited March 2017
    That is strange because I have audio with the lightning adapter. 

    Have you checked to see if "iPhone audio" is turned on?
  • WV9L
    WV9L Member ✭✭
    edited March 2017
    Yes. They all are correct settings. Same as i have always used/had. Just stopped working since the update on the app. imageimageimage
  • Tony Taddeo
    Tony Taddeo Member
    edited March 2020

    Hi Ria

    Thank you for your interest in this topic. Now that we have an Elmer on it perhaps this can get some traction :).

    I can confirm it does work when connecting a microphone through the Lightning to 3.5mm Headphone Jack Adapter, however it does not work when using dedicated external microphones (or audio devices) connecting to the lightning connector. These devices come up in the audio device list on your iphone/ipad with their device names. I suggest the first option works as it is the default audio device.

    Fixing this issue would also allow the use of external audio interfaces for audio in and out of the IOS device, giving excellent audio results in a portable package for those chasing this.

    image

    It must be noted that using external microphones and audio devices does work in other IOS applications such as Skype, so it should be possible.

    Being a software developer myself, at a wild guess I would suggest this may be related to a device permissions setting in code ?

    Tony

  • Tony Taddeo
    Tony Taddeo Member
    edited May 2020
  • Ryan Arrona
    Ryan Arrona Member
    edited May 2020
    Could you list the hardware you’re using? I’m trying to get my podcast up and running through my iPad.
  • Ria
    Ria Member ✭✭✭
    edited May 2020
    You can do it either of two ways.

    One of them is to use the camera USB adapter and a USB sound card. 

    The other is to get a line in cable and use the lightning to heaphone TRRS adapter. The line in cable typically has a resistor to enable the mic in, and probably a capacitor to isolate.

    Incidentally I don't believe that D.Exp will work remotely as it uses hardware within the radio (I could be wrong).
  • Steve K9ZW
    Steve K9ZW Member ✭✭✭
    edited May 2020
    Serendipity, as my Apple Camera Adapter arrived midday hours before Ria posted, as I wanted to experiment with microphone alternatives to both an iPhone 11 and a iPad.

    Will be testing a couple options for use with SmartSDR for iOS, as well as other software.

    I also picked up the lightening to trrs adapter to use the same boomset that worked well with iPad with the iPhone.

    73

    Steve
    K9ZW
  • Ria
    Ria Member ✭✭✭
    edited May 2020
    Newer iPads also have USB-C which means you can probably use an audio interface like the Focusrite Scarlett or similar. But I haven't tested. 
  • Steve K9ZW
    Steve K9ZW Member ✭✭✭
    edited May 2020
    Yes, the varying models of Apple iPhone and iPad have presently two different connectors.

    Apple has tested USB-C versions of more current production, but for now the North American market is Lightening for many products and USB-C for what are usually the top models in class.

    So you may need more adapters and possibly not the sames ones on all your devices.

    AFAIK the Scarlet is USB 2.0, and would be usable with appropriate adapter with both Lightening and USB-C devices.  

    Ditto with many USB microphones and various midi devices, though premised on not needing USB power, which would either need a powered USB-hub with Lightening or would be better with USB-C.

    73

    Steve
    K9ZW

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