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by kozikowski
Sun Apr 05, 2020 6:13 pm
Forum: Audiobook Production
Topic: Advice on meeting specs with no post production allowed
Replies: 10
Views: 784

Re: Advice on meeting specs with no post production allowed

MasteringSuite.png That's an abbreviation from the full wiki instructions. You have to add RMS Normalize and I think ACX Check , too. https://wiki.audacityteam.org/wiki/Audiobook_Mastering I would submit a test reading with just mastering applied and see what they say. This reading will pass actual...
by kozikowski
Sun Apr 05, 2020 5:54 pm
Forum: Audiobook Production
Topic: Advice on meeting specs with no post production allowed
Replies: 10
Views: 784

Re: Advice on meeting specs with no post production allowed

Find another job. I can make your posting easily match all of those conditions...after simple Audiobook Mastering. Screen Shot 2020-04-05 at 10.44.54.png After doing the arithmetic I get 59dB S/N. Did the client say why they wanted it that way? I guess it's possible they wanted the maximum possible ...
by kozikowski
Sun Apr 05, 2020 9:23 am
Forum: Windows
Topic: High Quality Stretching Fix
Replies: 1
Views: 215

Re: High Quality Stretching Fix

Do i need to remake the mix? Remake the mix. Effect > Change Speed is the only one that has any hope of retaining sound quality. That one just drags his finger on the record and everything goes down the same amount, as an example. Effect > Change Pitch and Effect> Change Tempo rip the sound apart a...
by kozikowski
Sun Apr 05, 2020 8:59 am
Forum: Audio Processing
Topic: Beating effect when generating tone close to Nyquist frequency
Replies: 5
Views: 186

Re: Beating effect when generating tone close to Nyquist frequency

Here's another example. As I was making that illustration, the initial Generate > Tone didn't fit in my display and screen resolution. Screen Shot 2020-04-05 at 1.52.00.png The result is apparent modulation. It's completely made up and doesn't exist in real life. As I zoom in, the effect vanishes. I...
by kozikowski
Sun Apr 05, 2020 8:47 am
Forum: Audio Processing
Topic: Beating effect when generating tone close to Nyquist frequency
Replies: 5
Views: 186

Re: Beating effect when generating tone close to Nyquist frequency

2X-Sampling.jpg That can happen if you have an exact 2X sampling frequency. That output would be data for zero sound. If you missed the sampling by slightly, the data output would drift in and out of being useful. If you really played your cards right, the drift rate could be audible. Systems are u...
by kozikowski
Sun Apr 05, 2020 8:36 am
Forum: Audio Processing
Topic: Beating effect when generating tone close to Nyquist frequency
Replies: 5
Views: 186

Re: Beating effect when generating tone close to Nyquist frequency

At what frequency does the cut off start when sampling at 8kHz? 4KHz, but it's not perfect. When I was learning this stuff in the fourteenth century, we were told you need a sampling frequency of at least 2.6 higher than the highest musical tone to have any hope of recovering the show. If you don't...
by kozikowski
Sun Apr 05, 2020 8:29 am
Forum: Windows
Topic: Sound keeps repeating when I record
Replies: 3
Views: 70

Re: Sound keeps repeating when I record

That's feedback, like in a large venue when they get the band's microphones up too loud. In a computer that can happen when you run the playback and record sides of the computer at the same time and connect them to each other. when I try to record anything What's the "anything" and why are...
by kozikowski
Sat Apr 04, 2020 10:07 pm
Forum: macOS
Topic: Tracks don't line up properly
Replies: 8
Views: 356

Re: Tracks don't line up properly

If you're listening to the first track while you're recording the second, that's called overdubbing and there is a process to "tune out" the time differences. https://manual.audacityteam.org/man/tutorial_recording_multi_track_overdubs.html One of the techniques is to generate a click track...
by kozikowski
Sat Apr 04, 2020 9:35 pm
Forum: Audiobook Production
Topic: Looking for Opinions / Advice
Replies: 7
Views: 444

Re: Looking for Opinions / Advice

@thepiperofseville

Since live performances sometimes mess with ACX Check and some of the other tools, can you burn a 10 second voice test following this recipe and post it on the forum?

https://www.kozco.com/tech/audacity/Tes ... _Clip.html

Thanks.

Koz
by kozikowski
Sat Apr 04, 2020 7:29 pm
Forum: Audiobook Production
Topic: Looking for Opinions / Advice
Replies: 7
Views: 444

Re: Looking for Opinions / Advice

"thepiperofseville" hasn't enabled the download option on their SoundCloud tracks
OK.

Koz