Posts categorized under: Audio

Headphone Output: Lenovo L390

Lenovo L390 Yoga

My daily driver laptop for about everything for a few years now, running Linux.

00:1f.3 Audio device: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 11)

Data

12 kHz:

Null test:

Comment

Positive surprise. Noise floor is below -80 dB most of the time …

Headphone Output: Startech

“Startech” USB Sound Card

Cheap soundcard that I bought mainly to have an analog volume dial on my desk. Has a suspicious “treble/neutral/bass” switch. On my old desk, it created audible noise behind my USB hub, so it went into the parts bin after a couple of years …

Headphone Output: Tascam

Tascam 16x08

Quite some time ago, I had the opportunity to grab one of these “studio” audio interfaces for a reasonable (used) price. It mostly brags with the low noise recording of course. Despite its relatively small size, it has a total of 16 input and 8 output channels, plus …

Headphone Output: Yamaha AVR

Yamaha RX-V667

Slightly outdated but still fully functioning AVR that I got my hands on. Measurements only cover the headphone jack. Connected via HDMI, 2 channel PCM mode.

Data

12 kHz, normal mode, “enhancer” off, “straight” profile:

12 kHz, “pure direct” mode:

Null test, “pure direct”:

Comment

Looks good for …

Measurement of Headphone Outputs

Introduction

For various reasons, I own a couple of very different audio / headphone outputs (“ADCs”). After one evening, where I dove too deep into the rabbit hole of audio quality, I decided I should just go and measure them.

To be absolutely clear: I have no idea what I’m …