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Re: Audio Hardware Purchase Proposal


We will have MiniDebConf Curitiba on april 11-14, and we are planning to record and to stream.
It will great if we can have an Opsis + Turbot hardware to use here.

And we could keep them to use next year on DebConf19.

Best regards,

----- Mensagem original -----
> De: "Kyle Robbertze" <krobbertze@gmail.com>
> Para: "debconf-video" <debconf-video@lists.debian.org>
> Enviadas: Domingo, 4 de fevereiro de 2018 20:32:41
> Assunto: Audio Hardware Purchase Proposal

> The video team has been discussing the purchase of audio hardware for
> some time. During the Paris sprint in 2016 [1], we drew up a list of
> hardware that we would like to own [2]. Included in this list was audio
> gear that we currently hire, but would like to own. During DC17, Andy
> and I broke this list down into three flight-cases and started
> estimating prices for the equipment we need. We finished this during the
> Cambridge sprint in 2017 [3] and Andy mocked up images of the
> front-of-house rack. This rack is the box that will sit at the front of
> the talk room next to the speaker, which will contain the Opsis/Turbot
> chassis and microphone receivers.
> [1] https://wiki.debconf.org/wiki/DebConf17/Videoteam/Sprint1
> [2]
> https://wiki.debian.org/Teams/DebConf/Video/VideoTeamDocs/NewVideoTeamHardware[3]
> https://wiki.debian.org/Sprints/2017/DebConfVideoteamSprint20Nov2017
> There is a lot of hardware on the list, and I think it best that we buy
> it in stages, one rack at a time. The easiest to begin with would be the
> Opsis/Turbot chassis, as we already have much of what is needed. It also
> contains the Opsis HDMI capture board and the single board PC to run it.
> Having both items in a single chassis will allow us to treat it as one
> unit and place it in the front-of-house rack when that is built. The
> list can be found on the wiki [2] with explanations around each piece
> listed. I will list only this set equipment with associated costs here.
> * 1x 1U chassis ($0)
> * 1x Opsis ($0)
> * 1x Turbot ($149)
> * 1x Small PC PSU ($35)
> * 1x Milkymist IO Expansion board for Opsis ($65) - This is currently
> non-functional on the Opsis, but work is planned for using it as audio
> I/O once the Opsis can support audio output over USB
> * 1x DI Box Stereo, unbalanced -> balanced, TRS -> XLR ($20)
> * 1x Small SSD (120GB) ($60)
> * 1x 50cm HDMI cable ($8)
> * 1x Bulkhead RJ45 coupler ($10)
> * 1x RJ45 patch cable ($3)
> TOTAL: $350
> The USB sockets on the chassis are connected to the Turbot board so that
> it can be managed directly if needed. The Turbot uses the SSD to store
> its OS and the sponsor loops, etc. The Turbot's HDMI output is connected
> to the Opsis input 2.
> This chassis can be placed at the front of the room and used as an
> appliance. It is connected to the network, and it can be provisioned
> using Ansible and PXE, similarly our current setup. It will be easy to
> integrate into the front-of-house rack when we purchase that because it
> is a standard 1U form-factor.
> Another useful box that could be bought at the same time is the sound
> mixer ($690). This contains the following:
> * 1x Mixing desk, suggest Behringer X2442USB ($460)
> * 1x Flight case ($190)
> * 1x Gooseneck Lamp 12V BNC - LED ($30)
> TOTAL: $680
> These prices are based on web searches and are not necessarily the
> cheapest out there. We will need to adjust them once we find a supplier
> who can quote us properly.
> The final rack is the front-of-house rack, which is tricky because the
> wireless microphone receivers need to be compatible with many different
> regions and legal requirements. The Shure AD4Q Four-Channel wireless
> receiver appears to be compatible with all ITU regions, subject to
> confirmation. The rack includes the following equipment:
> * 1x Shure AD4Q Four-Channel Digital Wireless Receiver ($6000)
> * 2x Shure AD1 Bodypack Transmitter with TA4 connector ($1600)
> * 2x Shure WH20 Headset Mic TA4 connector ($260)
> * 2x AD2/B58 Handheld Wireless Microphone ($1878)
> * 2x 1U draw with foam insert (store mics) ($140)
> * 1x 4U flight case ($220)
> * 1x 4U Tray ($130)
> * 1x Opsis / Turbot PC / SSD & PSU in 1U Box (see above list)
> * 1x Euro 4 way mains block ($15)
> * 2x Bulkhead RJ45 coupler ($20)
> * 6x Panel mount XLR Male socket ($12)
> * 3x Bulkhead HDMI ($54)
> * 4x Bulkhead BNC  coupler ($16)
> * 1x Switched IEC Filtered Power Inlet Socket ($10)
> * 1x Gigabit switch (5 port unmanaged) ($35)
> * 3x 50cm HDMI cable ($32)
> * 4x 50cm BNC 50R coax cable ($60)
> * 5x RJ45 patch cable ($12)
> * 3x 1m XLR Female to female cable ($18)
> TOTAL: $8467
> I suggest that this be purchased separately, as it is a big investment.
> It probably will mean the end of Logistique Olasd SARL, which will
> require planning around finding a logistics sponsor or some other way of
> handling shipping of equipment.

Paulo Henrique de Lima Santana (phls)
Curitiba - Brasil
Membro da Comunidade Curitiba Livre
Site: http://www.phls.com.br
GNU/Linux user: 228719  GPG ID: 0443C450

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