From fff052dde15fbd6088c2487d0967c379d1ac48db Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Sun, 29 Aug 2021 00:11:06 +0200
Subject: [PATCH] explain the magic

---
 docs/notes.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/notes.sh b/docs/notes.sh
index ef201bf2..29dda774 100644
--- a/docs/notes.sh
+++ b/docs/notes.sh
@@ -126,6 +126,10 @@ e=6; s=10; d=~/dev/copyparty/srv/aus; n=1; p=0; e=$((e*60)); rm -rf $d; mkdir $d
 -v srv/aus:aus:r:ce2dsa:ce2ts:cmtp=fgsfds=bin/mtag/sleep.py
 sqlite3 .hist/up2k.db 'select * from mt where k="fgsfds" or k="t:mtp"' | tee /dev/stderr | wc -l
 
+# generate the sine meme
+for ((f=420;f<1200;f++)); do sz=$(ffmpeg -y -f lavfi -i sine=frequency=$f:duration=2 -vf volume=0.1 -ac 1 -ar 44100 -f s16le /dev/shm/a.wav 2>/dev/null; base64 -w0 </dev/shm/a.wav | gzip -c | wc -c); printf '%d %d\n' $f $sz; done | tee /dev/stderr | sort -nrk2,2
+ffmpeg -y -f lavfi -i sine=frequency=1050:duration=2 -vf volume=0.1 -ac 1 -ar 44100 /dev/shm/a.wav
+
 
 ##
 ## vscode