Function pulseBeats

pulseBeats(ts: MeterLike): number
Length of one felt beat (main pulse) in quarter-note beats.

A quarter note in simple meters, a dotted quarter in compound ones, and one denominator unit in an additive metre. Position displays, click tracks, and score export are all written against this length.
Parameters
- ts: MeterLike
  The time signature, in any form that names one; a meter map is read as the signature it opens in.
Returns number
The pulse length in quarter-note beats.
Example
```
import { pulseBeats } from '@libraz/libcantus';
pulseBeats('6/8'); // 1.5
```
- Defined in src/core/meter/index.ts:693