The recently posted Nyquist scripts, when run in the Nyquist Prompt,
take their duration from the length of the selection. This is normal
for an "Effect". The Nyquist Prompt is an "Effect". So to make the
tone rise (or fall) more quickly, use a shorter selection.
Steve
On 20 October 2015 at 11:12, Mr. Wong Chi Wai <cwwong.pro@xxxxxxxxx> wrote:
well, I have tried making something like that by stretching some tones.
Annabelle Susan Morison 於 20/10/2015 2:31 寫道:
How would I make a fast wind-up, like that on an emergency vehicle?
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve the Fiddle
Sent: Monday, October 19, 2015 11:25 AM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
You could just apply the Audacity "Reverse" effect to the "siren-up"
sound, or try the attached code.
Steve
On 19 October 2015 at 18:49, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
I wonder what the code for siren-down would look like.
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve the
Fiddle
Sent: Monday, October 19, 2015 8:43 AM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
The first line of the debug shows the error:
error: unbound variable - HI-FREQ
For some reason Nyquist is not seeing the first line of the code,
which is where "hi-freq" is set.
I suspect that the problem is due to copy/paste from e-mail, so I've
attached that code as a plain text file. Copy the entire contents of
the text file into the Nyquist Prompt and it should work.
Steve
On 19 October 2015 at 15:16, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
Here's what I got with the Debug Button.
error: unbound variable - HI-FREQ
if continued: try evaluating symbol again
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
1> error: unbound variable - HI-FREQ
if continued: try evaluating symbol again
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
2> error: unbound variable - INITIAL-AMP
if continued: try evaluating symbol again
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
3> error: unbound variable - FINAL-AMP
if continued: try evaluating symbol again
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
4> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
5> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
6> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
7> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
8> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
9> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
10> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
11> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
12> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
13> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
14> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
15> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
16> error: unbound variable - HZ1
if continued: try evaluating symbol again
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
17> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
18> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
19> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
20> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
21> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
22> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
23> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
24> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
25> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
26> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
27> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
28> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
29> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
30> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
31> error: unbound variable - HZ1
if continued: try evaluating symbol again
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
32> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
33> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
34> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
35> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
36> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
37> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
38> error: illegal character - -62
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
39> error: illegal character - -96
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
40> #<Sound: #44f0718>
40> error: misplaced right paren
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
41> error: misplaced right paren
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
42> (#<Sound: #44f0128> -36.3763 T)
42> error: misplaced right paren
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
43> error: misplaced right paren
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630938>
Arguments:
#<File-Stream: #36b0100>
#\)
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<Subr-(null): #4630958>
Arguments:
#<File-Stream: #36b0100>
#\(
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
FAMP
(MAX (MIN FINAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
IAMP
(MAX (MIN INITIAL-AMP 1) 0)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ2
(MAX LOW-FREQ HI-FREQ)
Function: #<FSubr-SETQ: #4630ae8>
Arguments:
HZ1
(MIN LOW-FREQ HI-FREQ)
44> 43> 42> 41> 40> 39> 38> 37> 36> 35> 34> 33> 32> 31> 30> 29> 28> 27>
26>
25> 24> 23> 22> 21> 20> 19> 18> 17> 16> 15> 14> 13> 12> 11> 10> 9> 8> 7>
6>
5>
4> 3> 2> 1>
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve the
Fiddle
Sent: Monday, October 19, 2015 3:59 AM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
That code works OK for me.
Ensure that you have pasted the full 16 lines (that's 16 lines
including line 5 which is an empty line).
If you still get the error, try running it using the Debug button
instead of the OK button.
Steve
On 19 October 2015 at 02:30, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
The audacity4blind web site is at
I've tried this code in Audacity, and I get a message that says.
"Nyquist returned the value 0.100000". I'm confused! Is this some
sort of error? Am I forgetting something?
(setq low-freq 440) ; initial frequency - Hz (setq hi-freq 1320) ;
final frequency - Hz (setq initial-amp 0.8) ; initial amplitude on a
scale 0 to 1 (setq final-amp 0.1) ; final amplitude on a scale 0 to
1
(setq hz1 (min low-freq hi-freq))
(setq hz2 (max low-freq hi-freq))
(setq iamp (max (min initial-amp 1) 0)) (setq famp (max (min
final-amp 1) 0)) (mult (pwlv iamp 1 famp)
(fmosc 0
(sum
hz1
(mult
(- hz1 hz2)
(sum -1 (pwev 1 1 0.01))))*saw-table*))
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve the
Fiddle
Sent: Sunday, October 18, 2015 4:18 PM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
You can't just reverse the number in the first two lines because
note these two lines:
(setq hz1 (min low-freq hi-freq))
(setq hz2 (max low-freq hi-freq))
The first of these two lines sets HZ1 to the minimum of LOW-FREQ and
HI-FREQ.
Similarly the second sets HZ2 to the maximum of LOW-FREQ and HI-FREQ.
That code overall is rather more complicated than it really needs to
be, but was written like that so that it could be developed into a
more complex plug-in.
This is a simplified version of that perhaps makes it a bit clearer
what is going on:
(setf start-hz 440)
(setf end-hz 1320)
(setf start-amp 0.8)
(setf end-amp 0.1)
(setf mod (pwev start-hz 1 end-hz))
(setf envelope (pwlv start-amp 1 end-amp)) (mult envelope (fmosc 0
mod))
In the above code,:
start-hz is the initial frequency
end-hz is the final frequency
start-amp is the initial amplitude
end-amp is the final amplitude
mod is the modulation signal, which uses start-hz and end-hz.
envelope is the amplitude envelope which uses start-amp and end-amp.
The final line amplifies the FMOSC generator by the amplitude envelope.
In this version you can change the numbers around as you wish. For
example to create a sweep from 1320 Hz down to 440 Hz and the
amplitude increasing from 0.1 to 0.8:
(setf start-hz 1320)
(setf end-hz 440)
(setf start-amp 0.1)
(setf end-amp 0.8)
(setf mod (pwev start-hz 1 end-hz))
(setf envelope (pwlv start-amp 1 end-amp)) (mult envelope (fmosc 0
mod))
Steve
On 18 October 2015 at 23:41, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
The audacity4blind web site is at
Would that be the same if I were to use this code? I think this is
one you previously showed me.
(setq low-freq 440) ; initial frequency - Hz (setq hi-freq 1320) ;
final frequency - Hz (setq initial-amp 0.8) ; initial amplitude on
a scale 0 to 1 (setq final-amp 0.1) ; final amplitude on a scale 0
to
1
(setq hz1 (min low-freq hi-freq))
(setq hz2 (max low-freq hi-freq))
(setq iamp (max (min initial-amp 1) 0)) (setq famp (max (min
final-amp 1) 0)) (mult (pwlv iamp 1 famp)
(fmosc 0
(sum
hz1
(mult
(- hz1 hz2)
(sum -1 (pwev 1 1 0.01))))))
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve the
Fiddle
Sent: Sunday, October 18, 2015 3:31 PM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
The part of the code that generates the sound is the function FMOSC.
This function is described in the Nyquist manual here:
http://www.cs.cmu.edu/~rbd/doc/nyquist/part8.html#index378
In our example we don't use the optional "table" or "phase"
parameters. Most of the code is to create the modulation signal.
If you want to create a tone that goes up and down between say 100
Hz and 1000 Hz, then you need to create a modulation signal that
goes up and down between values of 100 and 1000.
The HZOSC function produces a sine wav that goes up and down
between +/- 1.
HZOSC is described here:
http://www.cs.cmu.edu/~rbd/doc/nyquist/part8.html#index368
As you will see from the above link, to make a signal that goes up
and down repeatedly once every 4 seconds, we can use this code:
(hzosc (/ 1.0 4.0))
You wont be able to hear this because the "note" has a frequency of
0.25 Hz, which is far too low to hear, but it is part way to
creating a suitable modulation signal. All that we need to do is to
scale it so that rather than going between +/- 1 it will go between
100 and 1000.
Adding "1" will make it go between 0 and 2.
(sum 1 (hzosc (/ 1.0 4.0)))
Then if we multiply by 450 it will go between 0 and 900 (mult 450
(sum 1 (hzosc (/ 1.0 4.0))))
Then if we add 100, it will be shifted up to go between 100 and 1000.
(sum 100 (mult 450 (sum 1 (hzosc (/ 1.0 4.0)))))
We now have a modulation signal that goes between 100 and 1000.
To make it easier to use, we can assign this as the value of a
variable:
(setf mod (sum 100 (mult 450 (sum 1 (hzosc (/ 1.0 4.0))))))
We can now use the variable "mod" in the FMOSC function like this:
(setf mod (sum 100 (mult 450 (sum 1 (hzosc (/ 1.0 4.0)))))) (fmosc
0
mod)
Try substituting different numbers to get a different pitch and
different high/low speed.
Hope that helps to get you started.
Steve
On 18 October 2015 at 20:33, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
The audacity4blind web site is at
I got it to work, however, it only does the windup side of the
siren. How would I make the wind-down of the siren? Would I
reverse the order of frequencies? How about the yelp and piercer
tones?
Would they be made with the same code?
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve
the Fiddle
Sent: Thursday, June 04, 2015 12:10 PM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
That code is written for the Nyquist Prompt.
Steve
On 4 June 2015 at 18:53, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx> wrote:
The audacity4blind web site is at
And I would put this in the Nyquist Prompt? Or would that be the
Nyquist Generate Prompt?
-----Original Message-----
From: audacity4blind-bounce@xxxxxxxxxxxxx
[mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of Steve
the Fiddle
Sent: Thursday, June 04, 2015 10:47 AM
To: audacity4blind@xxxxxxxxxxxxx
Subject: [audacity4blind] Re: Noise Generator
Attached is some code that may help to get you started.
The code came from this forum topic and there is additional
information
there:
http://forum.audacityteam.org/viewtopic.php?p=159187
Steve
On 4 June 2015 at 17:24, Annabelle Susan Morison
<foristnights@xxxxxxxxxxx>
wrote:
Hi, it's Annabelle.
I know this might sound strange but, I wonder if there's a way
for me to make a noise generator that generates the four common
siren tones, wail, yelp, hyperyelp, and hi-lo? If there is, what
would be the code for me to make these? Also, being blind, how
would I make this into a plugin?
The audacity4blind web site is at
//www.freelists.org/webpage/audacity4blind
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