AmigaOS 4: USB Audio Class driver
Andrea Palmatè has written a native USB audio class driver for AmigaOS 4 from scratch. USBAudio is an AHI subdriver that supports stereo playback, 7.1 multi-channel surround sound, recording with input switching, multiple device detection and user-configurable device names. In a detailed blog post, he recounts the history and development process of the driver. The driver is currently still in beta status.
It is possible to use the Tascam Portacapture X8 as an ADC, input converter, and mixing board for an iPhone, but there’s a few things you’ll need to know.
Thankfully, any USB-C or USB-C-to-Lightning cable will do
You just connect one end of the USB-C cable to the Portacapture X8 (to its built-in USB port) and the other to your iPhone (USB-C or Lightning work, as suits your particular model of […]
https://wadetregaskis.com/recording-audio-to-an-iphone-via-a-tascam-portacapture-x8/
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I'm still annoyed and bewildered that #Android still doesn't have basic automotive audio over USB. Not Android Auto, just plain audio over USB, like my iPhone 7 had.
Looking at 24 bit USB sound interfaces - came across this review which is exactly the sort of review that sways my purchasing:
"Works perfectly with the OpenBSD operating system and custom signal processing software for high-performance atomic spectroscopy laser locks at an unbeatable price."
Audio On Pi: Here Are Your Options https://hackaday.com/2024/08/12/audio-on-pi-here-are-your-options/ #usbaudiocard #RaspberryPi #raspberrypi #Featured #hardware #usbaudio #how-to #codec #sound #I2S
Warning! Recent Linux kernel update breaks some USB audio device support!
https://bugzilla.kernel.org/show_bug.cgi?id=216500
Stay at version 5.19.8 until this is fixed if you don't want unpleasant surprises!
#LinuxAudio #FOSS #LibreAuddio #Audio #Linux #Kernel #USB #UsbAudio
Drive High-Impedance Headphones With This Stylish USB DAC
For anyone with an interest in building audio projects, it's likely that an early project will be a headphone amplifier. They're relatively easy to build from transistors, ICs, or tubes, and it's possible to build one to a decent quality without being an electronic engineering genius. It's not often though that we see one as miniaturized as [daumemo]'s USB-C DAC and headphone amplifier combo, that fits within a slightly elongated 3.5 mm jack cover as part of a small USB-to-headphone cable.
The DAC is an off-the-shelf board featuring an ALC4042 IC, it has a line-level output and a handy place to tap off a 5 volt line for the amplifier. This final part is a tiny PCB with two chips, a TPS65135 that produces clean +5 and -5 volt rails, and an INA1620 which is a high-quality audio amplifier set up for 2x gain. All this has been designed onto a very small PCB, which sits inside a 3D-printed housing along with the 3.5 mm earphone socket. The result is a very neat unit far better able do drive high-impedance headphones than the output from an unmodified DAC, but still looking as svelte as any commercial product. We like it.
This may be one of the most compact USB-to-headphone amplifiers we've seen, but it's by no means the first.
#homeentertainmenthacks #portableaudiohacks #dac #headphoneamplifier #usbaudio
