Search found 6404 matches

by Trebor
Wed Jan 08, 2020 4:29 pm
Forum: Audiobook Production
Topic: Mastering process
Replies: 5
Views: 893

Re: Mastering process

Noise-gate, DeEsser, & DeClicker are all threshold dependent.
So apply a rumble-filter, (or similar high-pass filter), before applying those effects.
Otherwise the effects could be applied inconsistently.
by Trebor
Wed Jan 08, 2020 3:10 am
Forum: Windows
Topic: ACX Dang that noise floor
Replies: 42
Views: 4947

Re: ACX Dang that noise floor

I might just have to re-record the whole thing. 9 hours! Bummer! Attachments Ch 7 2020-1-7.mp3 (338.1 KiB) It's possible squeeze down the noise using noise-reduction & an expander ... ''puvlicans [sic] & sinners'', before-after.flac I submitted it and received a Review that the noise fl...
by Trebor
Tue Jan 07, 2020 5:41 pm
Forum: Windows
Topic: Cracking sound loop
Replies: 4
Views: 350

Re: Cracking sound loop

I have selected part of original sound (label Source) and copied it to the end and reversed it (label Copy of source reversed), so that sound is not looped, but extended. If you want realism, don't reverse the audio, just repeat (loop) it, and apply PaulStretch to add some slight variation ... loop...
by Trebor
Tue Jan 07, 2020 4:27 pm
Forum: Windows
Topic: How do I lower my noise floor?
Replies: 14
Views: 1236

Re: How do I lower my noise floor?

jmbusiness wrote:
Tue Jan 07, 2020 3:37 pm
Every recording I make, after I go through all the pre-made options for ACX quality check, still exceeds max floor noise levels.
The Audacity ACX tool does sometimes show completely bogus values for noise-floor, depending on the audio selected ...

RMS noise floor.gif
RMS noise floor.gif (426.79 KiB) Viewed 1111 times
by Trebor
Tue Jan 07, 2020 2:15 pm
Forum: Windows
Topic: Wave Line Amptitude
Replies: 2
Views: 202

Re: Wave Line Amptitude

If normalizing (independently) to 0dB isn't loud enough ...

independently.png
independently.png (10.61 KiB) Viewed 196 times

Apply Audcaity's (soft) Limiter with make-up gain ...

soft limit to -3dB with make-up gain.png
soft limit to -3dB with make-up gain.png (13.53 KiB) Viewed 196 times
by Trebor
Tue Jan 07, 2020 1:35 pm
Forum: Windows
Topic: How do I get rid of the hiss in my recording
Replies: 6
Views: 259

Re: How do I get rid of the hiss in my recording

... Now, how do I mix to mono. I selected both mono tracks, goto tracks -> mix -> mix to mono (greyed out; see pic). Is there any other way? One of the other mix options will do ... use one of the other two mix options.png I wasn't suggesting inverting as a cure: it just demonstrates you are inadve...
by Trebor
Tue Jan 07, 2020 10:48 am
Forum: Audiobook Production
Topic: Please check sound quality and advise
Replies: 21
Views: 2250

Re: Please check sound quality and advise

... So if I understand right if I record in mono my final mp3 output will actually be heard only from one speaker ... Mono recordings are equally loud on both speakers/headphones if the track pan-slider https://manual.audacityteam.org/m/images/6/66/track_pan_slider.png is in the middle. https://man...
by Trebor
Tue Jan 07, 2020 9:35 am
Forum: Audiobook Production
Topic: Please check sound quality and advise
Replies: 21
Views: 2250

Re: Please check sound quality and advise

... so if I make a test and do not meet the requirement does it mean I have to adjust the volume of the mic on the preamp? Adjust the preamp for the highest signal-to-noise * ratio. Then use the Audacity tools, (e.g. " RMS Normalize " & limiter ), to make the audio comply with ACX spe...
by Trebor
Tue Jan 07, 2020 9:07 am
Forum: Audiobook Production
Topic: Please check sound quality and advise
Replies: 21
Views: 2250

Re: Please check sound quality and advise

... what about RMS? RMS is an average value for volume over the selected audio, as opposed to peak volume which is the loudest moment. There are various tools which can be used to measure RMS volume in Audacity ... Ways of measuring RMS in Audacity.gif Audacity does not come with "ACX Check&qu...
by Trebor
Mon Jan 06, 2020 11:18 pm
Forum: Windows
Topic: MP4 video audio recorded to WAV or ?
Replies: 4
Views: 587

Re: MP4 video audio recorded to WAV or ?

... I've been using ClipGrab to DL concert clips from YouTube to record the audio from. Looking closer, there is "quality" & "format" settings for the DLs https://clipgrab.org/faqs/supported-formats I've yet to see a YouTube downloader website/program where you don't get a f...