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Best way to make a vocoder on a Nord Micro?
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bbinkovitz



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PostPosted: Tue Oct 06, 2009 9:02 am    Post subject: Best way to make a vocoder on a Nord Micro?
Subject description: Want the vowel/consonant sounds to be distinguishable...
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So I am still very novice at using the Nord. I have made a little vocoder that seems to work, it looks like the attached picture.

It kind of works but the lyrics are extremely unintelligible, even when spoken very slowly and articulated carefullly (I plan to use it for a rendition of the Cold Song, from Purcell's King Arthur).

Anyway my question is, what should I do to this very basic vocoder in order to make it more intelligible? Also do you have any advice for singing/speaking into the vocoder that would help?

Thanks!


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Antimon



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PostPosted: Wed Oct 07, 2009 4:32 am    Post subject: Reply with quote  Mark this post and the followings unread

Vocoding is an artform, they say. I'm no vocoder expert either, but one thing that I've found out helps sometimes is to mix in a non-vocoded signal that's been put through a high-pass filter with fairly high threshold. The idea is that the melodic content of the filtered sound is drowned out by the vocoder, but those chaotic windy sounds you get from consonants (there's a fancy name for these that I've forgotten) will shine through - that may make it a little bit more intelligable.

Another thing is to try to make the tone source as sharp as possible, to boost the higher frequencies (the square wave you use ought to work, but you might want to try to tune it up an octave or two. Maybe add a distortion module aftwer the vocoder...

My problem is generally that I think that the vocoder throws away too many high frequencies.


Have you looked at any of the example vocoder patches, here in the Nord Modular forums or in Clavia's banks?

/Stefan

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PostPosted: Wed Oct 07, 2009 4:38 am    Post subject: Reply with quote  Mark this post and the followings unread

Antimon wrote:
My problem is generally that I think that the vocoder throws away too many high frequencies.


There is a button labeled "_/" above the "mon" button, that one is supposed to help a bit for that.

Maybe Howard has some tricks to share, he does some good vocoding I think.

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PostPosted: Wed Oct 07, 2009 5:24 am    Post subject: Reply with quote  Mark this post and the followings unread

Blue Hell wrote:
Antimon wrote:
My problem is generally that I think that the vocoder throws away too many high frequencies.


There is a button labeled "_/" above the "mon" button, that one is supposed to help a bit for that.


Hey!

I haven't noticed that one before. Did you just put it there? Smile

/Stefan

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PostPosted: Wed Oct 07, 2009 5:53 am    Post subject: Reply with quote  Mark this post and the followings unread

Antimon wrote:
Vocoding is an artform, they say. I'm no vocoder expert either, but one thing that I've found out helps sometimes is to mix in a non-vocoded signal that's been put through a high-pass filter with fairly high threshold. The idea is that the melodic content of the filtered sound is drowned out by the vocoder, but those chaotic windy sounds you get from consonants (there's a fancy name for these that I've forgotten) will shine through - that may make it a little bit more intelligable.

Another thing is to try to make the tone source as sharp as possible, to boost the higher frequencies (the square wave you use ought to work, but you might want to try to tune it up an octave or two. Maybe add a distortion module aftwer the vocoder...

My problem is generally that I think that the vocoder throws away too many high frequencies.


Have you looked at any of the example vocoder patches, here in the Nord Modular forums or in Clavia's banks?

/Stefan


Thanks for the tips!

I haven't looked for example vocoder patches. Where might I find them? I tried to run a basic search for "vocoder" on these forums before I posted but the signal to noise ratio wasn't very good - I couldn't find much that actually addressed my question. Like I said, I'm very novice... I don't even know the proper search terms.

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PostPosted: Wed Oct 07, 2009 6:17 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh yeah sorry, the patch forums are G2 specific. There is an audio in patches forum here:

http://electro-music.com/forum/forum-51.html

you might be able to get some ideas by opening them in the G2 editor (you can run that even if you haven't got the hardware). The vocoder didn't change much at all between the first version and the G2, I think.

Anyway, there is a Nord Modular Classic forum here:

http://electro-music.com/forum/forum-94.html

that includes the micromodular. Tried searching on vocoder and got a few hits, I don't know if they apply. Anyway, there are probably some better vocoder wizards (like Howard) that have more insightful ideas.

/Stefan

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PostPosted: Wed Oct 07, 2009 6:36 am    Post subject: Reply with quote  Mark this post and the followings unread

tada (I knew they were somewhere ... I thought on my own hard disk, but not ...) : http://nm-archives.electro-music.com/010_NordModular/NordModularFolders/Vocoder/ - for example patches Laughing
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PostPosted: Mon Oct 12, 2009 7:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

Blue Hell wrote:
tada (I knew they were somewhere ... I thought on my own hard disk, but not ...) : http://nm-archives.electro-music.com/010_NordModular/NordModularFolders/Vocoder/ - for example patches Laughing


This is hella* helpful and awesome. There's a lot of variation and all in a nice list! Thanks so much, I'll spend quite a while playing with these.

*pun welcome though not intended

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PostPosted: Thu Nov 05, 2009 10:25 am    Post subject: Reply with quote  Mark this post and the followings unread

it was all for naught... the power to the nord was cut somehow about 2 minutes into the show Sad

just an update for those who saw the show and read this thread and were wondering what the hell happened.

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PostPosted: Thu Nov 05, 2009 12:53 pm    Post subject: Reply with quote  Mark this post and the followings unread

hmm ... sucks ... maybe for a next time then ... I didn't really hear it on the radio although things indeed seemed to be a bit rough edged on startup.
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