Pink Noise .wav generator

MisterTwister · 29th April 2007, 05:43 PM

Hello. Does anyone know which software can generate pink noise .wav file.
I need to burn a cd with it.

zapnspark · 29th April 2007, 08:15 PM

Try this:

http://www.libinst.com/Long%20Pink%2...0recording.zip

MisterTwister · 30th April 2007, 04:30 AM

thank you much, i'll try to use it.
that track has some pulsing noise besides pink noise,
is this noise only for audio diffmaker or
would measurements still be correct if i use behringer rta?
behringer can generate it's own pink noise, but i can't use it, because
my car's cd player doesn't have audio in connectors.

zapnspark · 30th April 2007, 05:09 AM

It's called pseudo random pink noise.
It is mathematically generated and eventually repeats the same sequence over and over again.

Our brain has a knack for recognizing patterns and you are probably hearing that pattern in this particular WAV file.

(I hear a repeating "thump" in this WAV sample)

Just give this a try and see if it works for you.

There may be other pink noise WAV files on the WEB.
I just haven't searched for them.

Pjotr · 30th April 2007, 12:09 PM

Hi,

There are many soft signal generators around on the web that generates pink noise for output through the soundcard. Most use the RND function built in Windows. These generate no patterns.

Simply record the .wav output through the Windows mixer into a file.

Pjotr · 30th April 2007, 03:49 PM

Have a look here:

http://www.nch.com.au/tonegen/

Saves to .wav directly as well.

Cheers

scott wurcer · 30th April 2007, 03:59 PM

You can make as long a sequence as you want with something like Audition, just FFT filter white noise at 3dB per octave.

MisterTwister · 30th April 2007, 04:00 PM

ok thanks, i'll try them both, pseudo random and regular.
i used "audacity" to record pink noise generated by "truerta"

Pjotr · 30th April 2007, 06:06 PM

Quote:

Originally posted by scott wurcer
You can make as long a sequence as you want with something like Audition, just FFT filter white noise at 3dB per octave.

You can make pink noise right away with Adobe Audition. No need to use a dedicated filter.

Digged somewhat deeper into it to see what quality of noise it generaes. Here the flatness of the pink noise spectrum as generated by AA:

Pjotr · 30th April 2007, 06:08 PM

Here the spectrum of the NCH generator:

29th April 2007, 05:43 PM	#1
MisterTwister diyAudio Member Join Date: Feb 2006 Location: usa Blog Entries: 1	Pink Noise .wav generator Hello. Does anyone know which software can generate pink noise .wav file. I need to burn a cd with it.

30th April 2007, 03:59 PM	#7
scott wurcer diyAudio Member Join Date: Jan 2004 Location: cambridge ma	You can make as long a sequence as you want with something like Audition, just FFT filter white noise at 3dB per octave. __________________ Pain is never permanent

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29th April 2007, 08:15 PM	#2
zapnspark diyAudio Member Join Date: Sep 2006 Location: Midwest	Try this: http://www.libinst.com/Long%20Pink%2...0recording.zip

30th April 2007, 04:30 AM	#3
MisterTwister diyAudio Member Join Date: Feb 2006 Location: usa Blog Entries: 1	thank you much, i'll try to use it. that track has some pulsing noise besides pink noise, is this noise only for audio diffmaker or would measurements still be correct if i use behringer rta? behringer can generate it's own pink noise, but i can't use it, because my car's cd player doesn't have audio in connectors.

30th April 2007, 05:09 AM	#4
zapnspark diyAudio Member Join Date: Sep 2006 Location: Midwest	It's called pseudo random pink noise. It is mathematically generated and eventually repeats the same sequence over and over again. Our brain has a knack for recognizing patterns and you are probably hearing that pattern in this particular WAV file. (I hear a repeating "thump" in this WAV sample) Just give this a try and see if it works for you. There may be other pink noise WAV files on the WEB. I just haven't searched for them.

30th April 2007, 12:09 PM	#5
Pjotr diyAudio Member Join Date: Nov 2002 Location: Netherlands	Hi, There are many soft signal generators around on the web that generates pink noise for output through the soundcard. Most use the RND function built in Windows. These generate no patterns. Simply record the .wav output through the Windows mixer into a file.

30th April 2007, 03:49 PM	#6
Pjotr diyAudio Member Join Date: Nov 2002 Location: Netherlands	Have a look here: http://www.nch.com.au/tonegen/ Saves to .wav directly as well. Cheers

30th April 2007, 04:00 PM	#8
MisterTwister diyAudio Member Join Date: Feb 2006 Location: usa Blog Entries: 1	ok thanks, i'll try them both, pseudo random and regular. i used "audacity" to record pink noise generated by "truerta"

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