How to count the number of the "clipping" point

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ydj609198
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Joined: Tue Aug 22, 2017 12:12 am
Operating System: Windows 7

How to count the number of the "clipping" point

Post by ydj609198 » Tue Aug 22, 2017 4:52 am

Hi,
I just want to know how to count the number of the "clipping" point that is useful for me to represent the sound quality during the ignition about 4 seconds in waveform.Thanks!

steve
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Re: How to count the number of the "clipping" point

Post by steve » Tue Aug 22, 2017 7:55 am

Generally you should set the recording level so that there is no clipping.
I presume that you are trying to make some sort of technical measurements rather than recording audio. What are you trying to do?
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ydj609198
Posts: 16
Joined: Tue Aug 22, 2017 12:12 am
Operating System: Windows 7

Re: How to count the number of the "clipping" point

Post by ydj609198 » Tue Aug 22, 2017 8:09 am

I use the software to record the ignition sound when the gas mixture igniting,and then to evaluation the quality of the sound,pls check the wav file for reference
Attachments
9.3%-1.wav
(1.35 MiB) Downloaded 26 times

steve
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Re: How to count the number of the "clipping" point

Post by steve » Tue Aug 22, 2017 10:31 am

Is that a microphone recording?
What physical property are you trying to measure?
What do you mean by "the quality of the sound"?
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ydj609198
Posts: 16
Joined: Tue Aug 22, 2017 12:12 am
Operating System: Windows 7

Re: How to count the number of the "clipping" point

Post by ydj609198 » Tue Aug 22, 2017 11:56 am

Yes,it's a microphone recording.I just want to record the sound wave during ingnition,you know the sound will very smooth or quiet during ingnition under certain conditions,and some time the sound will be very loud,and then you'll see the sound wave that recorded by audacity is quite different,and I just want to find parameters that can represent the differences.for example if it can occure the clipping during ignition,or the time duration of the oscillation

steve
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Re: How to count the number of the "clipping" point

Post by steve » Tue Aug 22, 2017 12:46 pm

At the moment, your recording loses much information because the recording is severely clipped.
ydj609198 wrote: the sound will very smooth or quiet during ingnition under certain conditions,and some time the sound will be very loud,
Try to make recordings of those at a lower level so that the loud one does not clip. Try to use the same set-up and settings in both cases so that the recordings reflect as accurately as possible the the sounds. Then post one of each sound and we can try out some of Audacity's tools.
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)

ydj609198
Posts: 16
Joined: Tue Aug 22, 2017 12:12 am
Operating System: Windows 7

Re: How to count the number of the "clipping" point

Post by ydj609198 » Tue Aug 22, 2017 11:53 pm

What do you mean" at a lower level"?And which kinds of Audacity's tool that I can use according to your opinion?

steve
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Re: How to count the number of the "clipping" point

Post by steve » Wed Aug 23, 2017 12:01 am

Either reduce the gain of your mic pre-amp (if you are using one), or reduce the recording level in your computer's sound system settings (you've given very little information about your set-up), or simply move the mic a bit further away from the sound.

The recording should look more like this:
firsttrack001.png
firsttrack001.png (9.99 KiB) Viewed 886 times
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ydj609198
Posts: 16
Joined: Tue Aug 22, 2017 12:12 am
Operating System: Windows 7

Re: How to count the number of the "clipping" point

Post by ydj609198 » Wed Aug 23, 2017 12:40 am

OK,I'll try.Thanks! Steve.

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