On Sun, 16 Sep 2018 at 16:29, Louis-Phillippe Véronneau <
pollo@debian.org> wrote:
On 2018-09-12 12:27 PM, Paulo Henrique de Lima Santana wrote:
> Hi,
>
> ----- Mensagem original -----
>> De: "Andy Simpkins" <rattusrattus@debian.org>
>> Para: "debconf-video" <debconf-video@lists.debconf.org>
>> Enviadas: Quarta-feira, 6 de setembro de 2017 15:01:57
We didn't have this problem at DC18 since the venue did not force us to
hire an audio technician.
We were thus able to do the sound as we wanted.
So it’s been quite a while since I had anything to do with DebConf, but: after quite good results In other situations, I’d suggest perhaps investing in a rack or two of decent 8 channel transformer isolated analog audio splitters, and wiring up the transformer isolated outs to Ethercon type connectors so you can put 4 channels of analog audio down s/ftp twisted pair cable at a push. Also make sure there’s a short multi core XLR cable so the house audio tech doesn’t need to use more of their own cables to help the DC video team out.
My reasoning for why this is a good approach is as follows:
1. If the quality of the transformer splits is good enough, most audio techs won’t have an issue putting these between the radio mic receivers and the mixer inputs. The gain of the preamps on the two desks can be adjusted completely independently without the sometimes unexpected effects of direct splits.
2. Being transformer isolated allows galvanic isolation such that ground loop issues aren’t a thing.
3. The equipment can be equally well put to use if it’s just the DebConf video team doing both PA and recording. Given enough staff, two desks rather than one for both PA and recording is a lot nicer to work with.
I’d also consider getting some in-line preamps such as the “FetHead” type things, perhaps also some attenuators and ground lift adapters. These can really be useful for getting out of tight situations.
That’s my two cents, anyway!
Cheers
David.