56Kbps = 7KB/s (dial up 1995, DSL 1997) 64Kbps = 8KB/s (ISDN) 128Kbps = 16KB/s (ISDN) 512Kbps = 64KB/s 1024Kbps = 128KB/s 3G (1,000Kbps) = 125KB/s 1.5Mbps = 188KB/s (some DSL & T1) 6Mbps = 800KB/s (cable and DSL) 10Mbps = 1.3MB/s (cable) 25Mbps = 3MB/s (cable) 50Mbps = 6MB/s (cable) 100Mbps = 12MB/s (fiber, 10/100Mbps ethernet) 1000Mbps = 120MB/s (if all switches, routers are gigabit ethernet)

USB 2.0 = 57MB/s WiFi 802.11b = 1.4MB/s WiFi 802.11g = 6.8MB/s WiFi 802.11n = 31MB/s

Regex (regular expressions)

([\d]+) remove all digits (numbers) 3453 peace 897 -----> peace

([^\d]+) remove everything except digits 5343 life -----> 5343

GREP (Global REplace and Print) command used in iThoughts app on iOS

m..n - Tamzin, Germaine, Tomlin, McEntire

m.n - Amanda, feminist, Minogue, Monaco

man$ - matches what ends in man Portman, Kidman, Chapman but NOT Amanda
sausage$ will match all text where the line ends with sausage ($ means 'end of line')

^ma - matches what starts in ma Mayor, May, Mary, Matt but NOT Pitman, Huma
^sausage will match all text where the line starts with sausage (^ means 'start of line')

sausage[1-3] will match on sausage1, sausage2, sausage3 but NOT sausage4.

[0-9] - only digits [A-Z] - only letters

freac free audio encoder (free GPL) use to convert all mp3 320kbps to opus 96kbps. Sounds excellent and 3x small than mp3. Freac also use to get an audio stream from a mp4 or mkv video file.

Drag folder(s) into freac. Don't do more than 200 at once.

General settings I choose filename usually or <track> - <artist> - <title>

opus encoder settings 96kbps Music VBR

LAME mp3 encoder settings 192kbps for audiobooks from mp4/mkv video files

Encode settings - Encode output to same source folder and Delete original files after encoding saves tons of time