Where does ktens go?
It is not shown in the explaination.
I think it is mention later, but not in the tittle.
See example:
sr = 44100
kr = 4410
ksmps = 10
nchnls = 2

; sample wgbrass by Robert McNulty Junior (C)1999

instr 1
iamp ampmidi 10000
icps  cpsmidi


awgbrass wgbrass iamp, icps, .01, .05, 6.137, 1

outs awgbrass, awgbrass
endin
;Function 1 uses the GEN10 subroutine to compute a sine wave
f 1  0 4096 10   1
; inst  start   duration amp       sound
f0 360
I designed to work with midi.
Here is the explanation from the book. The HTML version of 3.55

> wgbrass
>
>   ar      wgbrass    kamp, kfreq, iatt, kvibf, kvamp, ifn[, iminfreq]
>
>
>
>
> Description
>
> Audio output is a tone related to a brass instrument, using a physical model developed from Perry Cook, but re-coded for
> Csound. [NOTE: This is rather poor, and at present uncontrolled. Needs revision, and possibly more parameters].
>
> Initialization
>
> iatt - time taken to reach full pressure
>
> ifn - table of shape of vibrato, usually a sine table, created by a function
>
> iminfreq - lowest frequency at which the instrument will play. If it is omitted it is taken to be the same as the initial kfreq. If
> iminfreq is negative, initialization will be skipped.
>
> Performance
>
>
> A note is played on a brass-like instrument, with the arguments as below.
>
> kamp - Amplitude of note.
>
> kfreq - Frequency of note played.
>
> ktens - lip tension of the player. Suggested value is about 0.4
>
^^^^^^^^^^^^^^^^
where?

> kvibf - frequency of vibrato in Hertz. Suggested range is 0 to 12
>
> kvamp - amplitude of the vibrato
>
> Example
>
>     a1     wgbrass     31129.60, 440, 0.1, 6.137, 0.05, 1
>            out         a1
>
> Author
>
> John ffitch (after Perry Cook)
> University of Bath, Codemist Ltd.
> Bath, UK
> New in Csound version 3.47
>
>
>
>
>

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