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Author Topic: Stereo Mic Input via USB C  (Read 3271 times)

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Offline ol' dirty taper

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Stereo Mic Input via USB C
« on: May 19, 2023, 03:42:45 PM »
I'd intended to post this a week or so back, there has been a lot of recent questions about recording to your android and here is my input. A lot of these options are $25 and less.

Basically all you need is a 3.5mm Female TRS to USB C Audio Adapter, not a Headphone adapter. I own a headphone adapter and they do not work this way, even if externally they look the same. Don't buy a TRRS cable, it will not work for our intended purposes.

Some of them supposedly will support 192 kHz 24 bit, but I am not sure if they all will or not. The MOVO USB C cable only allows me to select 48 kHz and 16 bit on my android in any app I run. I am unsure if that is an Android thing/the app or cable.
The Movo Adapter
https://www.amazon.com/dp/B0849RB9BT

Saramonic
https://www.amazon.com/dp/B08DTP7R8M/

This offbrand cable claims to do 192kHz and 24bit
https://www.amazon.com/dp/B09QSQQDC8/

I'm sure you could find these for even less on AliExpress or other similar sites.

It was discussed on another thread these will give up to 3V of power output, powering some small lav mics. I personally just run a tiny battery box.

The app I am running in the screenshot is USB Audio Recorder Pro, the free version stopped working and I gave in and paid the $5 for the app. Voice Recorder seems to work just as well.
« Last Edit: May 19, 2023, 03:50:07 PM by ol' dirty taper »
Mic : Schoeps MK21 | Microtech Gefell M300 | Beyer MC950 MC930 MC910 CK930 | Line Audio OM1 | DPA 4061 | Naiant X-X Omni | Beyer TG L34C | AT831s
Pre : Aerco MP-2 | Naiant Littlebox
Deck : SD MixPre 10 II | SD MixPre 6 II | Sony PCM-A10 | Zoom F3
Pho/Vid : Sony a58 | Panasonic ZS100 | DJI Osmo Pocket

Offline DSatz

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Re: Stereo Mic Input via USB C
« Reply #1 on: May 28, 2023, 04:40:38 AM »
Any type of port has a certain maximum rate of data transfer. It might be adequate for handling a digital audio stream at a given sampling rate and bit depth that you want. But whether the host device can (or will in practice) sustain that transfer rate for the entire length of a recording that you want to make is a largely separate matter. USB has no facility for instructing the host to "give this channel all the bandwidth it needs even if other things have to wait." It just drops off the baby on the indicated doorstep and then vanishes. That's all it's designed to do. It can't (for example) retransmit samples for which the receiving device was too slow or too busy.

These things we use that weren't designed for live audio recording ... it's great when they can be bent to our purposes, but their limitations have to be found out and respected. And for each given 10 cents in the parts budget for these things, I would rather see it spent on the audible quality of the analog circuitry than on getting the thing to run at 192 kHz.

One good thing about USB-C as compared with previous iterations of USB is that it offers enough operating current for high-quality analog circuitry. Again, though, "could be" doesn't equal "is", except in a part of our brains that takes over sometimes at just the most unfortunate moments ...
« Last Edit: June 02, 2023, 06:48:28 AM by DSatz »
music > microphones > a recorder of some sort

Offline ol' dirty taper

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Re: Stereo Mic Input via USB C
« Reply #2 on: May 29, 2023, 01:27:38 PM »
That makes sense. I'd probably never run this live, but I don't doubt the s20 could handle it.

My post was more in reply to several made recently, one in the retail space claiming to be the only USB C audio option and at least one where someone was asking for a cable like this to start learning to tape.
Mic : Schoeps MK21 | Microtech Gefell M300 | Beyer MC950 MC930 MC910 CK930 | Line Audio OM1 | DPA 4061 | Naiant X-X Omni | Beyer TG L34C | AT831s
Pre : Aerco MP-2 | Naiant Littlebox
Deck : SD MixPre 10 II | SD MixPre 6 II | Sony PCM-A10 | Zoom F3
Pho/Vid : Sony a58 | Panasonic ZS100 | DJI Osmo Pocket

Offline jielkade

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Re: Stereo Mic Input via USB C
« Reply #3 on: May 30, 2023, 10:11:20 AM »
Try the Field Recorder APP.

Offline jielkade

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Re: Stereo Mic Input via USB C
« Reply #4 on: June 07, 2023, 04:51:38 AM »
And what is about the Rode AI-Micro ?

Offline jielkade

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Re: Stereo Mic Input via USB C
« Reply #5 on: June 07, 2023, 05:41:38 AM »
Sonosax SX-M2D2
definitely the best gear.

Offline jielkade

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Re: Stereo Mic Input via USB C
« Reply #6 on: July 04, 2023, 12:29:03 PM »
""I'd intended to post this a week or so back, there has been a lot of recent questions about recording to your android and here is my input. A lot of these options are $25 and less.

Basically all you need is a 3.5mm Female TRS to USB C Audio Adapter, not a Headphone adapter. I own a headphone adapter and they do not work this way, even if externally they look the same. Don't buy a TRRS cable, it will not work for our intended purposes.

Some of them supposedly will support 192 kHz 24 bit, but I am not sure if they all will or not. The MOVO USB C cable only allows me to select 48 kHz and 16 bit on my android in any app I run. I am unsure if that is an Android thing/the app or cable.""

Something new about this subject?
And to plug in one stereo mic 3.5mm in one IPhone?

Offline 2X2

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Re: Stereo Mic Input via USB C
« Reply #7 on: July 05, 2023, 05:33:34 AM »
Sonosax SX-M2D2
definitely the best gear.
and a price to match! many people dont need phantom tho and if you can get away from that, you can do the same thing for a fraction of the price

Offline 2X2

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Re: Stereo Mic Input via USB C
« Reply #8 on: July 05, 2023, 05:35:37 AM »
throw the recent SP cable in the mix with the low-buck options in the first post:

https://taperssection.com/index.php?topic=202361.0

Offline jielkade

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Re: Stereo Mic Input via USB C
« Reply #9 on: October 08, 2023, 04:20:01 AM »
Here's my news in Germany: I've been looking for months to pair my PUI 5024 capsules formatted plugin by Immersive Soundscapes, my old Beyer mce60 and even older LEM lavalieres (not LOM).

 Well thanks to this adapter developed, manufactured and sold by SP, it works very well in stereo on my Huawei MATE20, the REDMI Note10, all with the excellent FIELD RECORDER app - this app can be configured almost infinitely.

 

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