Podcasts on Floppy Disk

by @edent | , , | 10 comments | Read ~1,383 times.

Podcast on a floppy disk.

An old 3.5 inch floppy disk holds 1.44 MB of data. According to my calculations, that's 1,424 KB blocks. For a total of 1,458,176 Bytes. Once formatted as FAT, you end up with 1,457,664 Bytes of storage. But how much audio can a floppy hold? (Here I mean wave based audio of human speech. It's…

Removing default metadata from .opus files

by @edent | , , , | 1 comment | Read ~206 times.

Binary code displayed on a screen.

I'm trying to create some ridiculously tiny audio files. The sort where every single byte matters. I've encoded a small sample. But the opusenc tool automatically adds metadata - even if you don't specify any. Using the amazing Mutagen Python library I was able to completely strip out all the metadata! import mutagen mutagen.File("example.opus").delete() It…

Bouncing all my music down to Opus

by @edent | , , | 4 comments | Read ~142 times.

Headphone box.

As much as technology marches forward, there are two truths I need to accept. File transfer speeds are always going to be slower that I can be bothered to wait My ears aren't going to get any better at hearing For years, I ripped all of my music as FLAC. I collected ridiculously high-resolution audio…

Extracting DVD-Audio on Linux, the modern(ish) way

by @edent | , , , , , | 1 comment | Read ~1,070 times.

A cute penguin.

DVD-Audio (henceforce DVDA) is an unloved and mostly forgotten audio format. Nevertheless, there's a large back-catalogue of music which is still trapped on ancient discs encoded in the proprietary MLP format. A few years ago I wrote about how to extract the audio using the obsolete Windows program DVD-Audio Explorer. I wanted to be able…

Convert Surround Sound WAV albums to individual opus files

by @edent | , , , ,

As ever, notes to myself. This is a method to take a .wav and .cue and transform it into individual files. In this case, .opus. Transform to .flac FLAC is a good intermediary file format, especially for surround sound files. avconv -i file.wav out.flac Transform to .opus An optional step if you want smaller files.…