diff options
| -rw-r--r-- | 2022/organizers-notebook.md | 10 | ||||
| -rw-r--r-- | 2022/organizers-notebook/index.org | 8 |
2 files changed, 11 insertions, 7 deletions
diff --git a/2022/organizers-notebook.md b/2022/organizers-notebook.md index 5da0d4c2..668ebcfb 100644 --- a/2022/organizers-notebook.md +++ b/2022/organizers-notebook.md @@ -2243,7 +2243,7 @@ We’ve simplified the process down to these steps: You might want to increase the size of the waveform by pulling on the bottom of the bottom of the track. - <audacity-demo-resize.webm> + [audacity-demo-noise-reduction.webm](https://media.emacsconf.org/misc/audacity-demo-noise-reduction.webm) 2. Find a moment of quiet in the video, and select it. @@ -2260,6 +2260,8 @@ We’ve simplified the process down to these steps: effect and preview it to test your settings. The default are usually enough (Noise reduction (dB): 12, Sensitivity: 6.00, Frequency smoothing (bands): 3). + + [audacity-demo-noise-reduction.webm](https://media.emacsconf.org/misc/audacity-demo-noise-reduction.webm) 6. Tools → Apply Macro → Alpha @@ -2272,7 +2274,7 @@ We’ve simplified the process down to these steps: Normalize:ApplyGain="1" PeakLevel="-3" RemoveDcOffset="1" StereoIndependent="1" Compressor:AttackTime="0.1" NoiseFloor="-50" Normalize="1" Ratio="2" ReleaseTime="1" Threshold="-30" UsePeak="0" -1. Save the file to disk with libopus (.opus format) +1. Export → Export Audio… → Opus Files (.opus format) Use the following settings: > Bit Rate: 64 kbps @@ -2282,7 +2284,7 @@ We’ve simplified the process down to these steps: > Frame Duration: 20 ms > Cutoff: Disabled - +[audacity-export-settings.png](https://media.emacsconf.org/misc/audacity-export-settings.png) #### Model-based denoising filter @@ -2832,7 +2834,7 @@ Probably focus on grabbing the audio first and seeing what’s worth keeping Make a table of the form -<table id="orgef3b05a" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides"> +<table id="orge1857c7" border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides"> <colgroup> diff --git a/2022/organizers-notebook/index.org b/2022/organizers-notebook/index.org index f3dd6aa8..1927a0fc 100644 --- a/2022/organizers-notebook/index.org +++ b/2022/organizers-notebook/index.org @@ -1606,7 +1606,7 @@ We’ve simplified the process down to these steps: You might want to increase the size of the waveform by pulling on the bottom of the bottom of the track. - [[file:audacity-demo-resize.webm]] + [[https://media.emacsconf.org/misc/audacity-demo-noise-reduction.webm][audacity-demo-noise-reduction.webm]] 2. Find a moment of quiet in the video, and select it. @@ -1624,6 +1624,8 @@ We’ve simplified the process down to these steps: enough (Noise reduction (dB): 12, Sensitivity: 6.00, Frequency smoothing (bands): 3). + [[https://media.emacsconf.org/misc/audacity-demo-noise-reduction.webm][audacity-demo-noise-reduction.webm]] + 6. Tools → Apply Macro → Alpha Before you can apply the Alpha macro, you need to save its content to @@ -1637,7 +1639,7 @@ Normalize:ApplyGain="1" PeakLevel="-3" RemoveDcOffset="1" StereoIndependent="1" Compressor:AttackTime="0.1" NoiseFloor="-50" Normalize="1" Ratio="2" ReleaseTime="1" Threshold="-30" UsePeak="0" #+end_src -7. Save the file to disk with libopus (.opus format) +7. Export → Export Audio… → Opus Files (.opus format) Use the following settings: #+begin_quote @@ -1649,7 +1651,7 @@ Frame Duration: 20 ms Cutoff: Disabled #+end_quote -[[file:audacity-export-settings.png]] + [[https://media.emacsconf.org/misc/audacity-export-settings.png][audacity-export-settings.png]] **** Model-based denoising filter If you can’t manage to get a good result with Audacity, chances are it’s |