[Haskell-cafe] Chordify, a new web startup using Haskell

[Alfredo Di Napoli]

Congratulations!
Keep up the good work, especially in using Haskell at a commercial level :)

Bye!
Alfredo

On 18 January 2013 07:34, Alp Mestanogullari <alpmestan at gmail.com> wrote:

> That's awesome, works like a charm on the samples I've tried it on! Cheers
> to the Chordify team, I will use it and give any useful feedback if I have
> any.
>
>
> On Fri, Jan 18, 2013 at 12:07 AM, José Pedro Magalhães <jpm at cs.uu.nl>wrote:
>
>> Hi all,
>>
>> I'd like to introduce Chordify <http://chordify.net/> [1], an online
>> music player that extracts chords from musical sources like Soundcloud,
>> Youtube or your own files, and shows you which chord to play when. Here's
>> an example song:
>> http://chordify.net/chords/passenger-let-her-go-official-video-passengermusic
>>
>> The aim of Chordify is to make state-of-the-art music technology
>> accessible to a broader audience. Behind the scenes, Chordify uses the
>> HarmTrace Haskell package to compute chords from audio. I've been working
>> on this project with a couple of colleagues for a while now, and recently
>> we have made the website public, free to use for everyone.
>>
>> We do not use Haskell for any of the frontend/user interface, but the
>> backend is entirely written in Haskell (and it uses pretty advanced
>> features, such as GADTs and type families [3]). We're particularly
>> interested in user feedback at this stage, so if you're interested in music
>> and could use an automatic chord transcription service, please try Chordify!
>>
>>
>> Cheers,
>> Pedro
>>
>> [1] http://chordify.net/
>> [2] http://hackage.haskell.org/package/HarmTrace
>> [3] José Pedro Magalhães and W. Bas de Haas. Functional Modelling of
>> Musical Harmony: an Experience Report. In Proceedings of the 16th ACM
>> SIGPLAN International Conference on Functional Programming (ICFP'11), pp.
>> 156–162, ACM, 2011. http://dreixel.net/research/pdf/fmmh.pdf
>>
>>
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>>
>
>
> --
> Alp Mestanogullari
>
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