Monthly Archives: November 2010

Towards practical resampling

In a previous article, we looked at sample rate conversion in the frequency domain. Let’s take a quick second look in the time domain as reinforcement of principles behind sample rate conversion, before developing a practical rate convertor. In an … Continue reading

Posted in Digital Audio, Filters, FIR Filters, Impulse Response, Sample Rate Conversion | 6 Comments

The sound of dither

Dithering is about spreading errors out, so that they aren’t related to the sampled signal. A constant background hiss is easier to ignore than tones that change depending on signal frequencies and amplitude. Here’s a fixed-frequency sine wave, truncated to … Continue reading

Posted in Digital Audio, Dither | 7 Comments

Blog birth

Sometimes I get email asking a question—a question that I think others might have. Sometimes I’d like to write some helpful notes, but maybe it doesn’t warrant a full article. Or sometimes I’d like to address a subject in pieces. … Continue reading

Posted in Uncategorized | 3 Comments