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| Choco31415 | @CarlFK ping | 00:53 |
|---|---|---|
| CarlFK[m] | Choco31415 pong | 00:53 |
| Choco31415 | I've been making more recordings, and it I wanted to share one: | 00:55 |
| Choco31415 | https://www.youtube.com/edit?o=U&video_id=xcKdlwQ7-yk | 00:55 |
| tpb | Title: YouTube (at www.youtube.com) | 00:55 |
| Choco31415 | This one is a Microsoft talk on their AI services and research. | 00:55 |
| Choco31415 | Ops, wrong link? https://www.youtube.com/watch?v=xcKdlwQ7-yk | 00:57 |
| CarlFK[m] | No camera? | 00:58 |
| Choco31415 | I didn't think I would be able to this talk. | 00:59 |
| Choco31415 | I'm really happy with how audio came out, although I can faintly here some very light audio feedback in the first 10 minutes. | 01:06 |
| CarlFK[m] | its kinda echoy | 01:07 |
| CarlFK[m] | good audio is hard | 01:08 |
| Choco31415 | The room has a microphone that connects to an audio system. | 01:08 |
| Choco31415 | I tried toning it down a little to avoid massive echo... should've done more. | 01:08 |
| Choco31415 | *audio system = speakers | 01:09 |
| CarlFK[m] | how did you get audio? | 01:09 |
| Choco31415 | I connected to the room's PA system. | 01:11 |
| CarlFK[m] | did the sound coming out of the PA sound like that ? | 01:13 |
| Choco31415 | The echo? Yes. General noise/static? That's the audio capture. | 01:14 |
| CarlFK[m] | what were you using for audio capture? | 01:17 |
| Choco31415 | Until I get an Atlys, the Behringer U-phoria UM2. (http://www.music-group.com/Categories/Behringer/Computer-Audio/Audio-Interfaces/UM2/p/P0AVV) | 01:19 |
| tpb | Title: UM2 | Audio Interfaces | Computer Audio | Behringer | Categories | MUSIC Group (at www.music-group.com) | 01:20 |
| Choco31415 | CarlFK, what do you use besides the Opsis/Atlys? | 01:30 |
| CarlFK[m] | https://www.blackmagicdesign.com/products/decklink/techspecs/W-DLK-06 | 01:32 |
| tpb | Title: Blackmagic Design: DeckLink Tech Specs (at www.blackmagicdesign.com) | 01:32 |
| CarlFK[m] | I have 4? cameras that have hdmi out. plugged into that card | 01:33 |
| CarlFK[m] | I have some 6 channel Behringer mixers - which is really just a $150 box to hold a single fader (slider pot instead of a knob) | 01:36 |
| CarlFK[m] | fader is good for adjusting as the person is talking | 01:36 |
| CarlFK[m] | i5 desktops for voctomix | 01:37 |
| CarlFK[m] | a bunch of mic/PA system stuff. im not sure I recommend anyone invest in that if they just want to do recording | 01:38 |
| Choco31415 | Why do you need 6-channel mixers?? | 01:52 |
| Choco31415 | Wouldn't you need 3 at most? PA, computer, audience? | 01:52 |
| Choco31415 | Oh, my last question is, how do you mix audio/video if sources are, say, over 100 meters apart? | 01:54 |
| cr1901_modern | jimmo: Something I've been wondering; is there any particular reason your improved mimasv2 firmware won't fit with the free C compiler? | 02:03 |
| jimmo | @cr1901_modern: it's been a while since i tested it, but i was starting to get close to the limit even with the pro compiler | 02:07 |
| jimmo | theres something like a 2x difference between free and pro | 02:09 |
| cr1901_modern | I see... I wanted to try to port libmodem _as an experiment_, but I'm not going to "waste" my free trial on it. | 02:09 |
| cr1901_modern | (not to mention meson doesn't support the PIC compilers afaik) | 02:09 |
| jimmo | I don't think it's worth spending much more time on the mimas firmware - I'm not sure what gains there are to be made | 02:10 |
| jimmo | i.e. what would libmodem get you? | 02:11 |
| cr1901_modern | no gains except to retroactively justify convincing mithro to use my old library I resurrected ;) | 02:11 |
| jimmo | what it really needs is a better usb stack :) | 02:11 |
| cr1901_modern | Prob that too, but I'm not great w/ USB | 02:12 |
| cr1901_modern | The point of libmodem is that it's supposed to run _everywhere_. From your core i7 to your PIC18. But I've not actually been able to test the lower limits of the library (unless MSDOS counts). | 02:14 |
| cr1901_modern | Maybe I'll port it to msp430 next... | 02:14 |
| cr1901_modern | jimmo: In any case, this was a q I've been meaning to ask for a while, but just never got around to it | 02:14 |
| Choco31415 | Why not a raspberry pi? | 02:15 |
| cr1901_modern | Bare metal RPi is an idea... | 02:15 |
| cr1901_modern | Choco31415: If you're asking about *nix, nominally libmodem just wraps termios | 02:15 |
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| shorne | jimmo: I am not sure if you saw my message above... I am trying linux on arty but it just gets to 'Executing booted program at 0x40000000' | 02:32 |
| shorne | you mentioned that before | 02:32 |
| shorne | Now I am trying to connect openocd to debug... but didnt get much luck... here is my openocd output+config | 02:33 |
| shorne | https://gist.github.com/stffrdhrn/ccc14ea7baddabe2b367d7a22b360a4c | 02:33 |
| tpb | Title: trying litex openocd connect · GitHub (at gist.github.com) | 02:33 |
| jimmo | yep same as me | 02:33 |
| jimmo | haven't had a chance to investigate further | 02:33 |
| shorne | ok, do you know if mithro has gotten further? | 02:34 |
| shorne | FYI, I think this was discussed before, but this is how you confirm the binary for openrisc | 02:37 |
| shorne | https://gist.github.com/stffrdhrn/2f4fa73c19043fe8166d47895e8a953e | 02:37 |
| tpb | Title: openrisc or1k raw binary objdump · GitHub (at gist.github.com) | 02:37 |
| shorne | Let me confirm the hardware is setup | 02:38 |
| shorne | I mean... if it works on opsis and not arty there must be a hard problem i.e. the linux dtb doesnt match arty hardware platform | 02:40 |
| shorne | ill look at those and compare... but it would be good to learn how to connect openocd on this board | 02:41 |
| shorne | one possible issue? | 03:39 |
| shorne | soc_core.py- "uart": 0, | 03:39 |
| shorne | but | 03:39 |
| shorne | or1klitex.dts interrupts = <2>; | 03:40 |
| shorne | but... earlycon doesnt use interrupts I am pretty sure | 03:40 |
| shorne | hmm.. this code is iffy in head.S | 05:25 |
| shorne | #define TEMPORARY_SETUP l.mfspr r0,r0,SPR_EVBAR | 05:25 |
| shorne | using r0 as a temporary register? r0 should always be 0x0 | 05:26 |
| shorne | shenki: is this change from you? | 05:26 |
| shorne | I see what you are doing though... I guess its safe | 05:27 |
| shorne | We have switched to use shadow registers in openrisc upstream, the patches should be merged to upstream soon | 05:28 |
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