Audio Record a Webinar on ElCapitan? - ehMac.ca
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Old Mar 18th, 2017, 05:41 PM   #1
krs
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Audio Record a Webinar on ElCapitan?

I want to record the audio on a webinar - currently running ElCapitan

On OS 10.6.8 I used to use sSoundflower with audacity but now when I select the recording device on audacity the only options are Built in input or Apowersoft Audio Device.

I don't recall ever downloading Apowersoft but maybe a did a trial version.
I just don't want the recording stopping half way through because the trial perod is finished.
The webinar is expected to run for 2 1/2 hours.

When I checked Quicktime audio recording, Soundflower does come up as an input, but I have never used Quicktime before to record a webinar.
Does QT automatically record any audio that would come through the Mac Mini speaker or headphones?

Any really simple options to record audio when listening to a webinar on ElCapitan?
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Old Mar 18th, 2017, 07:15 PM   #2
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Oh Boy, I seem to be going two steps forward and one step back.

First off it seems that soundflower I installed on OS 10.6.8 doesn't get picked up by Audacity as an input source.
So I downloaded soundflower again and installed it and now I can select soundflower in audacity preferences.

So far so good but when I tried to record a You Tube video for test purposes nothing seems to record.
I first though my problem a that I also had to change the sound option on the Mac system preferences to soundflower as input - changed that - still won't record.
I can hear the audio fine in my headphones (which I use instead of a speaker) but how do I get audacity to pick up the sound?
Back to fiddling unless someone has an idea.
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Old Mar 18th, 2017, 09:30 PM   #3
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Well, chugging along.

So I finally found out to get anything to record with Audacity, both input and output have to be set to soundflower.
I had the output set to system out so I could hear what was being recorded.
To hear that one needs to set Audacity preferences to Recording > Software playthrough; hardware playthrough didn't work either to hear the recording.
So far so good, except
1. The recording level was quite low even with all the ionput controls at max.
2. After I finished I exported the recording as mp3 and then I found out VLC wouldn't recognize the mp3 file as a valid file.
So next time I will export as .wav which was the default - but if I can't get the recortding level higher there may not be much point persuing that option.

QT was a bit simpler.
I could listen to the recording using the regular Mac output setting.
Problem was that the controls are really minimal
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Old Mar 20th, 2017, 11:23 AM   #4
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I once ordered Screenflick because I thought it would make life easier for these sorts of tasks. Same nonsense with Soundflower. A waste of money. I reverted to using Quicktime.

For Audacity, did you install the latest version of the LAME MP3 encoder?
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Old Mar 20th, 2017, 12:01 PM   #5
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I think Audio Hijack is the app you are after. You can test it for free, however if you need more than a 5 minute recording you will need to pay the piper.

FWIW I much preferred the older interface to the current graphically intensive one.
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Old Mar 20th, 2017, 12:03 PM   #6
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Based on my research and trials, to record a streaming web broadcast using Quicktime requires Soundflower as well.

I eventually came to the conclusion that the basic problem actually related to soundflower.
Turns out the original developer passed the product on to a company called Cycling '74 who in turn in 2014 passed it on to Rogue Amoeba.
Rogue Amoeba had no resources/interest in the product and in 2015 the original author got involved again but from what I have been able to find out, he hasn't done anything withit either.
https://rogueamoeba.com/freebies/soundflower/

I eventually found out that a valid soundflower application no longer exists although one can download it from various places on the net.
I had tried that, downloaded it, installed it - got the message that installation was successful, but then couldn't find the app in my applications folder or anywhere else on my Mac.
I eventually came across a soindflower kernel extension
https://github.com/mattingalls/Sound...ases/tag/2.0b2

Bottom line, after I downloaded that and set up inputs and outputs on Mac and Audacity for soundflower I finally got things working and recorded the 1 1/2 hour webinar perfectly.
I chose Audacity over QT because there was a lot more control.

If anyone needs to do an audio recording of a streaming webcast, you can follow these instructions I put together.
After the fact it all seems so obvious.

Quote:
Recording of streaming audio on Mac

Using Audacity

Download and install soundflower extension; 2.0b2 is the latest version as of March 18, 2017
More here: https://github.com/mattingalls/Sound...ases/tag/2.0b2

In System Preferences>Sound select sound flower (2 ch) for both inputs and outputs

In Audacity Preferences>Devices select Recording Device Soundflower (2ch)
If you want to monitor the sound, select Audacity Preferences>Recording and check Software Playthrough

The main window of Audacity should show Soundflower (2ch) as the input
Audacity input level was set to 1.00, i.e. maximum.

To start recording click on red record button.
You can pause the recording anytime and restart it
At the end, click on the black square and save the recording in any of the file type options.

Remember!!! To listen to the recording you need to change the system sound output back to speaker or headphones from sound flower.
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Old Mar 20th, 2017, 12:23 PM   #7
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Quote:
Originally Posted by eMacMan View Post
I think Audio Hijack is the app you are after.
I actually have Audio Hijack, but when one selects to record "System Audio" a message comes up that one needs soundflower in addition for that to work....and soundflower as I explained in my previous post turned out to be the issue.

All the audio recording software for the Mac, both free and not so free, seems to be dsigned to record either the line or Mike inputs, not sound that ends up on the Mac from other sources like the web.
All soundflower does is to route the Mac system sound to the input of the recording software, but that's a critical link.

I'm rather surprised that even with ElCapitan Apple hasn't built that into Quicktime by now.
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Old Mar 20th, 2017, 01:25 PM   #8
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Yes, Soundflower is the weak link--but the only one that makes these apps work. Screenflick was promising a Soundflower-free app, but I tested the latest version and that hasn't happened yet.
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Old Mar 20th, 2017, 01:28 PM   #9
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Quote:
Originally Posted by krs View Post
I actually have Audio Hijack, but when one selects to record "System Audio" a message comes up that one needs soundflower in addition for that to work....and soundflower as I explained in my previous post turned out to be the issue.

All the audio recording software for the Mac, both free and not so free, seems to be dsigned to record either the line or Mike inputs, not sound that ends up on the Mac from other sources like the web.
All soundflower does is to route the Mac system sound to the input of the recording software, but that's a critical link.

I'm rather surprised that even with ElCapitan Apple hasn't built that into Quicktime by now.
You can also select to record from an application. In this case it would be from your browser or from the website. Been quite awhile but that is how I occasionally grab a sound bite from YouTube.
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Old Mar 20th, 2017, 01:46 PM   #10
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Originally Posted by eMacMan View Post
You can also select to record from an application. In this case it would be from your browser or from the website. Been quite awhile but that is how I occasionally grab a sound bite from YouTube.
I've used this for grabbing Youtube audio:

YouTube to mp3 Converter
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