codec2
waifu2x
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| codec2 | waifu2x | |
|---|---|---|
| 10 | 403 | |
| 123 | 27,164 | |
| - | - | |
| 8.5 | 0.0 | |
| about 18 hours ago | 12 months ago | |
| C | Lua | |
| GNU Lesser General Public License v3.0 only | MIT License |
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codec2
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Flop rock: inside the underground floppy disk music scene
I'm currently working on a 2HD floppy disk release of a podcast episode which has taken me down an interesting rabbit hole of low-bitrate audio codecs, floppy disk aesthetics and label design.
The episode I'm releasing is 1h40m long, which sounds like it couldn't possibly fit in 1.44MB, but there's an obscure but free codec mostly used by digital HAM radio enthusiasts called Codec2 [1] which can encode human voice in as low as 700bit/s (roughly 315KB/hr). At that quality setting it sounds like complete garbage, although still barely intelligible, and there are no readily available media players for the it (there's not even an established file format) so I'm having to include complicated ffmpeg instructions in a README to get people to play it, but I think it all adds to the charm.
Funnily enough after searching for days for how to fit the original episode in a floppy (tried low-bitrate MP3, Opus and AAC, all of which fail at the task), and after discovering Codec2 almost by chance, I only then came across an article called "Codec2: a whole Podcast on a Floppy Disk" [2] which I probably would've found if I had started by searching "podcast in a floppy".
[1] https://github.com/drowe67/codec2
[2] https://auphonic.com/blog/2018/06/01/codec2-podcast-on-flopp...
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Using AI to compress audio files for quick and easy sharing
1.5 kbps speech is impressive, I wonder how it compares with Codec2 https://github.com/drowe67/codec2
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minimodem - general-purpose software audio FSK modem
David Rowe has some information on doing this kind of testing here: https://github.com/drowe67/codec2/blob/master/README_fsk.md
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can Lora handle low quality voice?
You have a chance with codec2, but I wouldn't expect it to handle any real-time communication. This codec only works for voice, for anything else it's trash.
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Low bandwidth mode for Signal?
You also got some samples available at http://www.rowetel.com/codec2.html
- How to convert audio to codec2?
- I created a floppy disk VCR that plays full length films (like garbage) with the help of a Pi and a custom x265 codec. I call it the LimaTek Diskmaster
waifu2x
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Mac Preview Combine PDFs Different size
You can export the large PDF as a JPG then resize it using Tools > Adjust Size. You could also use https://waifu2x.udp.jp to "up-size" the smaller file to give it a bit more resolution. You can set up an Automator script to resize multiple images.
- To purchase all your Mari merch [twitter: イスカリオテのマリア]
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Hortus de Escapisimo Spoiler
Just use waifu2x to make it bigger
- Make large wallpaper images less blurry?
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Workshop
Crop it yourself with Gimp (free) or Photoshop (paid), then upscale it with something like Waifu2x.
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The Goddess Squad (Goddess Squad art by ジぞくGGOc)
You can use https://waifu2x.udp.jp/ AI to enhance 2k or 4k. I made a 2k wallpaper.
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Atelier Ryza Animation Sound Preview #1 (From Livestream)
You can try screenshot it and go to waifu2x to make it bigger
- Anyone have High quality version of this?
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Super Auto Beach Fun!
waifu2x
- Bliksem boven de tulpenvelden in Flevoland afgelopen Zaterdagavond
What are some alternatives?
SVT-AV1 - Welcome to the GitHub repo for the SVT-AV1! This repo is set to read-only for archiving purposes. Please join us at https://gitlab.com/AOMediaCodec/SVT-AV1. We look forward to seeing you there
video2x - A lossless video/GIF/image upscaler achieved with waifu2x, Anime4K, SRMD and RealSR. Started in Hack the Valley II, 2018.
minimodem - general-purpose software audio FSK modem
Anime4K - A High-Quality Real Time Upscaler for Anime Video
lyra - A Very Low-Bitrate Codec for Speech Compression
Real-ESRGAN - Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.
jukebox - Code for the paper "Jukebox: A Generative Model for Music"
Magpie - An all-purpose window upscaler for Windows 10/11.
VQGAN-CLIP - Just playing with getting VQGAN+CLIP running locally, rather than having to use colab.
cupscale - Image Upscaling GUI based on ESRGAN
upscayl - 🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.
image-super-resolution - 🔎 Super-scale your images and run experiments with Residual Dense and Adversarial Networks.