JH Living Vocoder [BUILD THREAD]

[synthdude]

SOLD!

Hi folks. I have one JH vocoder pcb for sale. This includes all the 1% caps. All brand new. Shoot me a msg if you are interested.

[Starspawn]

I have what I believe is a problem. The voiced detector is always on unless the unvoiced takes over, regardless of if there is a speech input or not. I see it seems like Tekmans works like that as well in the demo, but surely the circuit should work so that theres only detecting/vocoding going on when there is a speech input? Ive checked all passives and active components, and Ive used the suggested values in the v4 build guide. However I am not sure WHY the values were changed in the voiced/unvoiced section in the first place?

[JanneI]

I have what I believe is a problem. The voiced detector is always on unless the unvoiced takes over, regardless of if there is a speech input or not. I see it seems like Tekmans works like that as well in the demo, but surely the circuit should work so that theres only detecting/vocoding going on when there is a speech input? Ive checked all passives and active components, and Ive used the suggested values in the v4 build guide. However I am not sure WHY the values were changed in the voiced/unvoiced section in the first place?

Hmm...mine works like that too. Why should it be otherwise? Sorry, I'm not following.. I have the v4 values too.

[Starspawn]

Well, if the voiced is always on, theres always a signal to the excitation bus, even if there is no speech. Even if all the channel volume pots are at zero youll hear the excitation bus coming through. Is that the same for you as well? Id thought that the channel CV would shut it off by inverting or something when theres no cv, but no. So I thought that was the purpose of the voiced section, letting the excitation through only when there is speech (or you actively set it to ON or use the filterbank) Now I have to use rectified HP in unvoiced to make it sound like a regular vocoder?

[Starspawn]

I detract my complaint, theres 3 channels that filter control doesnt affect, so thats the problem.
And only the JFETs were the problem, had spares

[zephyrin]

I think all the values populated are as per the ones listed by user 'sound' on the electro-music thread. 99% sure. I populated the boards about 3-4 years ago so I am a bit vague on it. I don't think I was very adventurous then.

I am about to start tweaking some stuff as my mic amp doesn't amp the mic signal enough. Seems like I need the mic amp maxed to get a decent signal for either mic or line speech inputs. Unsure if that is the desired config. I think my noise is a bit too loud when you are running in v/uv modes. The EXEC mode is louder than S mode but I think this is just due to S mode being filtered.

Can you post some examples of your build?

Also I created a facebook group for builders / users if you want to join
https://www.facebook.com/groups/550170508680992/

The Facebook groups is still existing ?

I can't access to this groups and I m searching informations for finshing my vocoder .

[JanneI]

I think all the values populated are as per the ones listed by user 'sound' on the electro-music thread. 99% sure. I populated the boards about 3-4 years ago so I am a bit vague on it. I don't think I was very adventurous then.

I am about to start tweaking some stuff as my mic amp doesn't amp the mic signal enough. Seems like I need the mic amp maxed to get a decent signal for either mic or line speech inputs. Unsure if that is the desired config. I think my noise is a bit too loud when you are running in v/uv modes. The EXEC mode is louder than S mode but I think this is just due to S mode being filtered.

Can you post some examples of your build?

Also I created a facebook group for builders / users if you want to join
https://www.facebook.com/groups/550170508680992/

The Facebook groups is still existing ?

I can't access to this groups and I m searching informations for finshing my vocoder .

Yes it does, it's hidden, so you need to be invited. I can add you if send me your facebook profile link.

[zephyrin]

Thank you JanneI my profil link is https://www.facebook.com/zephyrin.zeyphrin/

If you search Zephyrin Zeyphrin you will found me . I have a picture profil with my dog under Christmas tree.

[EML]

Here are EMS user manuals.

Vocoder 5000 (available 2 weeks) :
http://www.partage-fichiers.com/upload/qpbmi4sw

Vocoder 2000 :
http://www.thesynthi.de/data/Vocoder2000_Manual.pdf

And a Vocoder 2000 service manual :
http://www.synfo.nl/servicemanuals/EMS/ ... MANUAL.pdf

I would love to see the Vocoder 5000 manual but the link is expired. Would it be possible to share it again?
Thanks in advance!

[papz]

Here's the V5000 manual.

vocoder5000.pdf

(2.78 MiB) Downloaded 56 times

[EML]

Here's the V5000 manual.
vocoder5000.pdf

Super! Thanks!

[zephyrin]

Hello

If people are interested I have redraw all PCB's for build a replica of the vocoder ETI



More information here

https://www.modwiggler.com/forum/viewto ... r#p4066162