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Comment by dest | Hacker News Reader

OP here.

This lib is a brick in an adblock for radio broadcasts I have been developing for a while and that I am progressively open sourcing.

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Have you thought about doing adblock for podcasts? One couldn't adblock unique reads of ads, but many podcasters read an advertisement once and then include that read in multiple podcast episodes. And there are tons of ads that aren't read by the podcaster and include in multiple episodes.

I figure any block of audio longer than a few seconds that appears in more than one podcast episode could be snipped.

I think it would have to be desktop software since if it were a service and edited the podcast files then it would be copyright infringement. I guess it could be a podcast player and not actually distribute the edited files but just the timestamps to skip ads.

Personally I'd like software I can run over a directory of mp3s that would remove duplicate sections. Any thoughts on feasibility? I'm surprised it hasn't been done yet.

Neat but static ads are slowly becoming a thing of the past... Companies like Acast and Midroll are building dynamic ad solutions that inject dynamic ads into podcasts at the time of stream/download

Sounds like that's potentially solvable by breaking the podcast down into chunks by speaking voice, then flagging any sections of ~30s with a different speaking voice from the rest. Detecting guest speakers shouldn't get caught by this as there'd be more conversation rather than a mostly unbroken 30s chunk.

Speaker recognition would be really awesome. Do you know of any techniques more general than fingerprinting specific audio sections?

Edit: https://github.com/ppwwyyxx/speaker-recognition/ looks like the first of a number of good starting points.

I will publish more on that topic

sounds great! looking forward to it.

Cool concept. Do you silence/skip the sound when you don't recognize a song? Nice idea for Spotify for free without ads - piping the sound into a virtual device that gets silenced when ads play.

Edit: I don't want to support the notion that we should avoid 10$/month for such a great service, I was just curious about the technical implementation.

There's speech and original musical content, like bootlegs, mixes, that cannot be detected with fingerprinting.

For a free Spotify without ads, have a look at http://www.stationripper.com/ (it's old software)

Edit: Station Ripper had caused a law/politics debate in 2005 in France about the right to do private copies of legal media http://www.assemblee-nationale.fr/12/amendements/1206/120600...

For a free Spotify without ads, open this link in Chrome: http://play.spotify.com

Do you need an adblock to not have ads on play.spotify.com? or is it adfree by default?

You need an adblocker.

What I meant was that there were no audio ads between the songs.

Did you consider that this could be used by record labels to detect unauthorized use of copyrighted music, etc?

Like this: http://www.dubset.com/mixscan/#intro-2

My understanding is that Apple & Spotify have signed up to these guys with a view to correct payments for artists with user uploaded mixes [1].

[1] http://variety.com/2016/digital/news/spotify-apple-music-rem...

As a reason for not releasing it? If so, that's not a terribly good reason. I mean, clearly they already do that -- this simply permits those with lesser means to employ the technology. In general, I'm not fond of "but someone could misuse it" as a reason for not releasing a technology -- especially if it already exists in another form with limited accessibility.

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