tonescript

What is tonescript:

this is tonescript.

Example:

var toneScript = require('tonescript');

toneScript('985@-16,1428@-16,1777@-16;20(.380/0/1,.380/0/2,.380/0/3,0/4/0)').play();

CLI:

This package comes with a bunch of pre-assembled tonescript "classic hits" that you might recognize if you're older than 30 and had a land line as a kid:

• busy
• call-forward
• comfort
• conference
• dial
• dial2
• dialo
• holding
• howler
• mwi
• prompt
• reorder
• ringback
• sit1
• sit4
• sit2
• sit3

If everything is working, the command will stay open playing the same tone until you give it the ol' sigint. On MacOS baudio seems flaky but it's historically worked well on Linux.

It also comes with a tonescript CLI which will play a tone. For instance, to play a howler:

$ tonescript '480@-10,620@0;10(.125/.125/1+2)'
playing tone 480@-10,620@0;10(.125/.125/1+2) at 0.2 decibels...

All commands optionally take a --db option with a float value that defaults to 0.2. You can adjust this to increase or decrease the volume.

API

var toneScript = require('tonescript');

toneScript(script, A0);

toneScript returns a baudio object. Use the A0 parameter to adjust volume. Defaults to 0.2. See this article for more on what this number actually means.

toneScript.toneGenerator(script, A0)

toneGenerator returns a function (t) {}, where t is in seconds, which returns A(t) with sin wave generators.

toneScript.parse(script)

This will return an object representing the tones specified in your tonescript. This is used by the toneGenerator and by the baudio player to generate tones.

tests

It's tough to automate testing this library, but you'll recognize the tones if they're playing correctly. Try them out and see if it's working.

license

MIT/X11.