Monthly Archives: February 2015

‘can theoretically reach 100,000 Hz’

Here’s something I’d completely forgotten about, or perhaps never known. The ‘Scarlett Book’ for SACD recommended that the high resolution audio be low pass filtered at 50kHz (@-3dB). I was reminded/informed of this by the datasheet for the Cirrus Logic … Continue reading

Posted in Audio, Codecs, Digital Audio | 2 Comments

Siglent SDG1020 signal generator

So, here’s another signal generator to compare to those I looked at in ‘Noise and distortion in signal generation’. This is the Siglent SDG1020, a dual output 20MHz, arbitrary waveform model. It uses 14 bits of resolution apparently. Here’s its … Continue reading

Posted in Digital Audio, Testing | Leave a comment

The Magic of Dither

(I have written an article for Australian HI-FI suggesting that a good way to start to understand the differences between 16 and 24 bit audio is to listen to the differences between 8 bit and 16 bit audio. To that … Continue reading

Posted in Codecs, Digital Audio, How Things Work | 1 Comment

You’re never quite sure what you’re going to get

Last year I reviewed the Western Digital TV Live media box for Sound+Image, along with a bunch of other media boxes, and I gave it high marks, not the least because of its ability to handle high resolution audio. For … Continue reading

Posted in Audio, Testing | Leave a comment