Recording Zoom call

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urbanhermit
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Joined: Sun May 03, 2020 9:58 pm
Operating System: Windows 10

Recording Zoom call

Post by urbanhermit » Sun May 03, 2020 10:07 pm

I am having same problem. I have a Zoom call in progress. Audio is coming in through my computer ok. But Audacity is not recording it. Mix-minus is working correctly. I can hear Zoom caller, but not getting it recorded when I hit record - my voice is only one recording.
Last edited by steve on Sun May 03, 2020 11:41 pm, edited 1 time in total.
Reason: Topic split and given relevant title

urbanhermit
Posts: 8
Joined: Sun May 03, 2020 9:58 pm
Operating System: Windows 10

audacity not recording audio from ZOOM caller

Post by urbanhermit » Sun May 03, 2020 10:58 pm

Windows 10
Behringer XENYX 1204USB
Audacity 2.3.3
Sabrent AU-MMSA USB Stereo sound adapter

My voice into mixing board - into computer - records on Audacity

Zoom voice into computer -out to board and my headphones - mix-minus successful - back to computer - Audacity does not record

I have successfully recorded a Zoom call a couple of days ago and have not changed my settings. Yet, I'm pretty sure its something I did to mess this up.

What am I missing?

Thanks.
Last edited by steve on Sun May 03, 2020 11:51 pm, edited 1 time in total.
Reason: Topics merged.

steve
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Re: Recording Zoom call

Post by steve » Sun May 03, 2020 11:47 pm

See here for how to record Zoom meetings: https://support.zoom.us/hc/en-us/articl ... -recording
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)

kozikowski
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Re: Recording Zoom call

Post by kozikowski » Mon May 04, 2020 1:22 am

See here for how to record Zoom meetings:
Post back how that goes. We had a poster who tried similar services and the voice quality was pretty miserable.

Since you already have the mixer, I did a good quality recording with two computers, and one of them didn't have to be a computer.

Image

The one on the left is just a stereo recorder. The mixer in the middle creates the mix-minus. The machine on the right was Skype in this case, but can be any chat program. It thinks it's running on a clean, dedicated machine.

The beauty of this system is the reliability. There's no possibility of the two services interfering with each other. It's a cousin to how the broadcasters do it.

Koz

urbanhermit
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Joined: Sun May 03, 2020 9:58 pm
Operating System: Windows 10

Re: Recording Zoom call

Post by urbanhermit » Tue May 05, 2020 12:19 am

Thanks. I visited the Zoom info page on recording. Using the Zoom recording option will probably work just fine. It produces an mp4 file that I can convert to mp3 for publishing. I just thought it would be cleaner if everything stayed in my house and I didn't have to worry about data transfers, etc.

Can you think of a reason why the Zoom audio isn't recording directly into Audacity?

Again, I'm pretty sure its some kind of switch that I haven't toggled in Audacity or a mixing board button that is up when it should be down.

In the meantime, thanks for your quick response and info. I'll let you know, hopefully tomorrow.

steve
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Re: Recording Zoom call

Post by steve » Tue May 05, 2020 11:39 am

urbanhermit wrote:
Tue May 05, 2020 12:19 am
Can you think of a reason why the Zoom audio isn't recording directly into Audacity?
The problem with recording any kind of conferencing software with Audacity is that there are two different "things" that have to be recorded. There is the sound going into your mic (your voice), and sound coming out of your computer (everyone else). Audacity can only record from one "thing" at a time.

On some machines with some sound cards and some sound card drivers, it is possible to enable "listen to this device" in the Windows Sound settings for the recording device. This tells Windows to pass audio from the microphone through to the default output device. With this setting it becomes "possible" to record both sides of the conversation by recording the output from the computer. The disadvantages are: You MUST use headphones or you will get squealing acoustic feedback, and, your voice will echo back into your headphones, which can be very off-putting, especially as the echo delay can be half a second or more.

One of the best ways to record conferencing software is to use two computers and a little mixer. This is basically how professional studios do it.
You plug your mic into the mixer, and send a feed from the mixer (mic only) to a computer. This computer is used for the conference call. You then send an output from that computer to another channel of the mixer. The main output from the mixer then goes to a second computer that records the mix.
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)

kozikowski
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Re: Recording Zoom call

Post by kozikowski » Tue May 05, 2020 3:00 pm

It produces an mp4 file that I can convert to mp3 for publishing.
Did you listen to it? There are reports of poor sound quality when you let the chat app company do the work.
I didn't have to worry about data transfers, etc.
Good you're worrying. I would worry about sound quality and having it die in the weirdest places. Somebody compressed your compressed chat voice into the MP4 and then you took that compressed compression and compressed it again into the final product MP3. Did the show sound honky or like talking into a wine glass or milk bottle? Did you listen after you posted it? That's what's causing the distortion.

All these technologies are designed to be used once and thrown away, not reused to make other shows.

I wish two-computer process was simpler. I got away with being as simple as it was because both of the computers (and I had two!) were older Macs with Stereo Line-In and Stereo Line-Out. They plugged directly into the mixer. And even then there were technical issues. My internet speed is OK, so I got a good show, but my up/send speed is terrible. That's my license. That's how mine works. Denise had trouble hearing me.

Try explaining Mix-Minus to someone and how you have to shop for your mixer and bag of special audio adapters. Mind-Bleed. Particularly because everybody is looking for the one-button or one-app solution. Press the green button.

Koz

urbanhermit
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Joined: Sun May 03, 2020 9:58 pm
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Re: Recording Zoom call

Post by urbanhermit » Tue May 12, 2020 2:35 am

Post back how that goes. We had a poster who tried similar services and the voice quality was pretty miserable.

So the Zoom call went pretty well. The audio is ok. I wouldn't say great, by ok. I tweeked it using the amplifier and condensor "effects" built in to Audacity and that cleaned it up some.

Since you already have the mixer, I did a good quality recording with two computers, and one of them didn't have to be a computer.

I think I'll try this using my phone as the second computer. Any issues with that you can think of? So my PC would be the dedicated stereo recorder. Mixer for mix-minus. And phone for outside voice coming in.

But to do that, I need to run from my phone (your second computer) to the mixer. Cable requirements aside, where does my phone enter the mixer? (Where does your Skype computer enter the mixer?) What channel or Aux send do you use?


The one on the left is just a stereo recorder. The mixer in the middle creates the mix-minus. The machine on the right was Skype in this case, but can be any chat program. It thinks it's running on a clean, dedicated machine.

Koz, this has been a big help. Would you mind terribly giving me a shot of the mixer board or a cabling diagram. I could probably think it through in a couple years and days of trial and error, but...

The beauty of this system is the reliability. There's no possibility of the two services interfering with each other. It's a cousin to how the broadcasters do it.

Koz
[/quote]

urbanhermit
Posts: 8
Joined: Sun May 03, 2020 9:58 pm
Operating System: Windows 10

Re: Recording Zoom call

Post by urbanhermit » Tue May 12, 2020 2:42 am

I've listened through the 42 minute mp4 recording and its ok. I haven't yet used the Audacity covert to mp3 so I can't speak to that quality yet. And I'll be listening again after publishing.

I'm definitely going to figure out the 2 computer with mixer technique. Its' worth it. My mix-minus is solid. I just needed to add a second computer. I think I'll try using my iphone for the Zoom/Skype device.

urbanhermit
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Joined: Sun May 03, 2020 9:58 pm
Operating System: Windows 10

Re: Recording Zoom call

Post by urbanhermit » Tue May 12, 2020 3:14 am

The problem with recording any kind of conferencing software with Audacity is that there are two different "things" that have to be recorded. There is the sound going into your mic (your voice), and sound coming out of your computer (everyone else). Audacity can only record from one "thing" at a time.

Ah, good to know. Thanks.

On some machines with some sound cards and some sound card drivers, it is possible to enable "listen to this device" in the Windows Sound settings for the recording device. This tells Windows to pass audio from the microphone through to the default output device. With this setting it becomes "possible" to record both sides of the conversation by recording the output from the computer. The disadvantages are: You MUST use headphones or you will get squealing acoustic feedback, and, your voice will echo back into your headphones, which can be very off-putting, especially as the echo delay can be half a second or more.

I poked around a bit into my sound card settings but don't feel comfortable once I get into the "Advanced" tab area. I'm much more likely to screw something up than to get what I want at this point.

One of the best ways to record conferencing software is to use two computers and a little mixer. This is basically how professional studios do it.
You plug your mic into the mixer, and send a feed from the mixer (mic only) to a computer. This computer is used for the conference call. You then send an output from that computer to another channel of the mixer. The main output from the mixer then goes to a second computer that records the mix.
[/quote]

Ok. Thanks for the above explanation. This is going to be my solution. PC for recording, mixer for mix-minus, phone for outside voice. What I don't see above is the mix-minus component. I'm guessing that's because I can leave my mix-minus just like it is.

CURRENT SETUP
mixer to recording computer
my mic into mixer channel 1.
mix-minus - mixer input channel to computer via Sabrent USB-to-3.5 input/3.5 output adapter and back to aux send to complete mix-minus
my phone (second computer) to where? another input channel?

Thanks

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