It looks like the author created it using the "higher quality" ffmpeg command line, except for the "webm" final extension, producing the opposite of what's described as "an MP4 file that's compatible with more devices".
https://github.com/denizsafak/abogen/tree/main/demo#for-high...
The difference is that even weak LLMs are good at magically doing this, so I wonder what the problem is for the TTS mentioned above.
I think there are still basic hurdles to take before we can go epub to audiobook in a quality that can compete with current state of the art.
Or am I missing something?
It's probably possible with current systems to do though. I believe there are TTS systems that can use context/prompting to change emphasis and other speech qualities, though I'm not sure how reliably.
It's definitely an exited voice, but is it read out as in a battle or as in a romantic scene?
I actually hate this. I like quotes to be read with the tone and inflection implied by the context but I don't like the different voices.
I played a bit with Eleven labs voices and while they aren't bad when I tried make them read fragment of a text that I wrote, it sounded chaotic, boring, quite terrible, for anything longer than a sentence or two. But when I tried their v3 voices which they are currently in the process of rolling out, the same text sounded consistent, emotional, engaging, simply amazing. I think we are just crossing vocal uncanny valley.
As an aside, while this tool can be used to create an audiobook from a book you have in text format, for your private consumption, having an author employ something like this to create files for distribution is extremely risky, even if they acknowledge its use and intend those files to only be available on their website.
Indie authors struggle a lot to promote their works, and the new normal is that potential readers, the polite ones[^1], use the slightest hint of AI usage to discard their title and move on...as they are entitled to, since there are so many books.
I in particular have started to hire voice actors that have good acting skills and good diction but for whom English is their second language, or it's their first language but they speak something else at home; sometimes I even ask them to go a notch up with their accents. It helps with the non-AI recognition, and it also increases the appeal of the book for people who would like to try out something new. Once, I did an audition for a project and was pleasantly surprised with how much life people from around the Mediterranean basin were able to inject into their renderings, compared with people from Britain and North America.
[^1] Impolite readers set the town on fire, and then go about and spread that fire to neighboring towns, for good measure.
This is especially helpful when you’re on the go but still want to have a visual now and then or highlight text for later.
The problem is that many books don’t offer that feature. There is a built-in read function now in the kindle app, but it’s crap.
So, if you ask me, I’d prefer a good human-written book with an additional AI voice on top to enable that feature for me.
I'd love to hear any feedback you have. "prefer a good human-written book with an additional AI voice on top to enable that feature for me" is exactly what I prefer when it comes to reading.
I was a heavy Speechify user, it made me get used to text to speech with text highlighting but it was very expensive and the price + the limits really bothered me.
So WithAudio was born!
I've been meaning to use its position sync protocol with KoReader, but it's not trivial.
Is that the new normal?
My impression is that when it comes to reading text, nobody cares as long as the final product is good.
People don't want AI-written books, but people have been comfortably listening to AI voices reading text for a long time now. Text-to-speech isn't really a controversial thing for listening to articles or books.
(Which is very different from voice acting, for example, which requires acting not just reading.)
https://github.com/nazdridoy/kokoro-tts
It generates a directory of audio files, along with a metadata file for ebook chapters
You have to use m4b-tool to stitch the audio files together into an audiobook and include the chapter metadata, but it works great:
https://github.com/sandreas/m4b-tool
I've been meaning to write a post on this workflow because it's incredibly useful
Otherwise, it's a nicely packaged GUI. Well done!
I tried a PDF and the UI to select pages or sections is good and generation is fast on my laptop's GTX 1650.
The result is an .ogg audio and .ass subtitle file. Played with mpv allows listening and reading along in the terminal. Only issue I have with the result is that visual line breaks from the PDF are preserved resulting in long pauses "randomly" in the middle of sentences. This greatly interrupts understanding of the audio.
Edit: enabling the skipping of single newlines helps!
I didn't have the newlines enabled though so it was pretty useless.
Enabling makes this pretty awesome.
af_heart is a great voice to me while af_jessica I find annoying. That is the main issue I have with audiobooks , the randomness of liking the voice actor or not almost matters as much as what the book says for me.
I knew this day was coming soon and I really am blown away. I have got so use to audiobooks that it is hard to actually sit and read a full book for me. I have about 20 books to convert that would never have a market to bother having someone read the book and in a voice I really like. Incredible.
Some narrators, like Wil Wheaton, are so entertaining to me I actively search by what they have voiced.
In general, I have to agree the narrator can make or break a series.
I'm with you on this, but my reaction is the opposite -- I'm wondering if there are some books I couldn't stand to listen to, that now I could with a nice neutral narration voice? Instead of the weird untrained voice with weird vocal tics that was the official narration?
I wonder, is there some open source NN that can consume PDF pages and produce a "pure prose" version of it. Say, a page with mixed text and an image of a car engine would be output to the text and then a detailed description of the image, or what it is depicting.
I agree that the project need not be renamed to remove the single syllable that may be an obscure slur, especially since every syllable may be an obscure slur in some language and you can't expect somebody to learn them all just to avoid them.
But there was no need to use that syllable as a slur.
Btw, Don't look into the name of a famous python formatter or you might be offended.
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