Similar Questions

• How to calculate the signal / noise from the graph?

  In my current project, I read a periphera voltage signal. the signal lead noise even after filtering.  So, to identify the necessary data, I averaged the signal.

  I have attached the file with an image of graphics. In this graph, the recorded data are drawn black and medium online graph is plotted in red. Now, I have to calculate the ratio of signal to noise to specify with these peak values. How to do?

  As the signal passes through zero, be careful in the way you set the signal / noise.  For sinusoidal signals, that ratio is defined as the RMS value of the noise (the signal with the desired sinusoidal signal deleted) divided by the effective value of sinusoidal component.

  First of all I would like to subtract the average value of the raw signal.  The difference is the noise.  You can set the signal / noise.  A RMS calculation might work.  If you have a mathematical model for the desired signal, a fitting for this model can be useful too.

  Lynn

• 6035-E high frequency noise reduces the resolution of 14 bits.

  Dear Technical Support Group OR and MF DAQ,

  I don't get the complete 16-bit on my DAQ 6035 - E cards and 6034-E resolution because of the high frequency noise.
  The Test Panel and the actual catches show 1.2 mV peak-to-peak noise with entries is is failed the GA right input in differential ended mode and single connector - Test Panel screen grab and connector attached picture.
  With a range of +-10V, noise LSB + half expected specified in the manual should be only 305 microvolts (20/65536) which is four times less than what I see.
  So far, I've been scanning (a channel) to ten times (60 KHz) the rate I need (6 KHz), then SavGol the filtering and sampling downstairs.
  The problem is that I need to sweep the four channels that now exceeds the capacity of 200 KHz of the card and also results in huge quantities of useless data.

  Have considered buying a new USB DAQ with better record, I fear that all products OR suffer the same flaws and gave the purchase.

  Please, share your ideas.

  Thank you.

  GPSman salvation,

  Looking at your control panel test plot, it would seem that there is a discrete steps on your axis is between - 0.0019 and - 0.0012 or 700 µV.  Then you can see that there is about a little more than 2 discrete steps to your signal, which brings value to about 300 microvolts, exactly as the resolution makes clear.

  You can also find that there is a specification of noise and precision in specification.  You can find for a single point, the accuracy in the +/-10V between 1,085 millivolt.  This is on page 4.  This would allow your signal of +/-1 mV of the expected value, the test also indicating panels.

  Does that help?

  best,

• iPhone 6s more 'Phone noise cancelling' setting Grayed Out

  I have a 6 more than 128 GB iPhone running iOS 10.0.2. I can't activate the 'Phone noise cancelling' setting in settings > general > accessibility > telephone noise cancelling because it is grayed out. I have attached a screenshot for reference.

  I've tried hard restart my iPhone (Home + Power button) without success. Any help is very appreciated! Thank you.

  

  Hey there, Stephen Bond,.

  Thank you for using communities of support from Apple! I see from your post that your iPhone more 6s on iOS 10.0.2 does not work as expected because the cancellation of noise from phone toggle is grayed out. I'll be happy to help you.

  First check to see if the hearing aid Mode is enabled in settings > general > accessibility > hearing aids. If this option is enabled, then telephone noise cancelling will be grayed out as you describe. If this isn't the case and that the option is grayed out, please continue.

  How to back up your iPhone, iPad and iPod touch - please backup your iPhone to ensure that your personal information is safe.

  Use iTunes on your Mac or PC to restore the iPhone, iPad or iPod to factory settings - this process will completely erase the iPhone to allow a new copy of the iOS to install. The first time, select "set up as a new iPhone. Once your iPhone is back to the home screen, check the setting of the new. If everything works as it should, use the "restore from backup" link in the section «Get help» If it is not, under the same article, "Contact Apple Support".

  Take care and have a great day!

• Buzz of noise in the tempo switch

  My song has 4 different tempos. Every time that happens, occurs a humming noise. If I get all tracks FX behind it disappears. How can I keep the delay, but not the buzz?

  Thank you y´all.

  Use automation for on/off switch of the delays to and after each change of tempo.

  If that kills too late in the face of that time, and then introduce a Gain ahead of every delay, automate the Gain to cut admission to the delay when changing the tempo. Who will cut the whole track, however.

• having an iphone 6.  The ringtone does not make a noise.   I tested the ringtone and it sounds however when I receive a call or text or email, the Bell is silent

  I have an iphone 6.  The ringtone does not make a noise.   I tested the ringtone and it sounds however when I receive a call or text or email, the Bell is silent

  Hello Jimmy10 66,

  Thank you for reaching out to the Community Support from Apple. I know how it is important to follow your alerts, and I want to help you get your work again.

  Before we get too far, it's always a good idea to check that your 'secret' button just above your volume controls is not engaged. If you see that the yellow indicator go ahead and switch to the other position to turn it off.

  Alternatively, you can drag up from the bottom of the screen and make sure that the control of "do not disturb" is disabled.

  If those who are for the time off, go ahead and restart your phone and retest alerts. If the behaviour continues or if you encounter any problems, please reach out again and let the community know what other steps you have tried. The entire community is here to help.

  Best regards

• iPhone whistling noise 7 +.

  I seem to have a problem with my IP7 +. It is a whistle in charge and the noise is also picked up by the microphone when you save videos.  Any1 else with this issue? Apple seems to have remained silent on this subject

  Did you actually contacted AppleCare about this?

• iPhone 7 weird noise ticking after sending message sound

  Hello

  I use an iPhone 7 for 4 days now and yesterday, I, after I send a message (using iMessager, Wechat or Whatsup), I started noticing a sound weird/click tick immediately after application. That weird noise resembles a small distortion in the enclosure which happens after some noise is played.

  Did anyone encounter the same problem?

  Thank you in advance.

  Best regards

  Ricardo

  Same here, but also after taking a screenshot. Shortly after the sound of the camera.

• iPhone whistling noise problem 7

  Hello. I was thinking of getting the iPhone 7, but lately, the problem of noise resulting (hiss) because I'm not going to take now. Is - this problem stems from what could be reversed? Really annoying situation. We expect an explanation from Apple.

  Apple says you can get a replacement if your iPhone is a whistle. Seems to be the real problem. But how would I know that the new phone will not have this problem?

• IPhone 7: funny noise coming from the rear

  I noticed that my new Iphone 7 makes a strange noise from the back (more or less close to the apple logo) but udible only put ear on the back side of the phone. It also occurs if the phone is in stand-by mode with the screen off. Is this normal?

  Google HIssGate it. Hoping that my 7plus in Jet Black t has this issue. Due here 25/09/16.

  UT read about it on 9to5mac.com or logicielmac.com. That's an impressive Edie with the first phones. Time will tell if all the phones in the Moon, but most reports say they only hear it on heavy load

• iPhone 7 lighter after his cracking noise stops

  Hey,.

  My iPhone more 7 makes some noises cracks once I stop music, games with sounds or podcasts. I did a hardreboot and normal it recharges. Is a person with the same noises coming out of his iPhone 7 or is it just me?

  The sound is out of the speakers of the iPhone. I use headphones for this.

  Just play music to 50% or more and press pause to reproduce. It comes to PWC for me.

  If someone had the same problem, how to get rid of him? Is it a hardware fault?

  I m happy with each helf or suggestions.

  To exclude a software problem, set it back to factory settings, without using a backup later, manually configure personal information and synchronize music. Then test it again.

  Use iTunes to restore your device to factory settings - Support Apple iOS

  If the problem is not resolved, you will need to get the phone repaired.

  Launch a service request

  Find an Apple authorized service provider

  Make an appointment at the Apple Store

• My iphone is weird noises

  Hello! I'm new here so please excuse me for my tags if there is not correct

  So yesterday, that I have just updated my iphone 6s as well as for the new ios which was ios 10 I don't know if this has nothing to do with the sound but I'll just turn off.

  He began to make these noises deaf or door closing (the farm I could describe it) whenever I'm going to close my phone. I tried power off option, but nothing helped.

  It bothers me whenever I hear him, I couldn't turn off sound locking but I prefer if it's on.

  Can someone help before I have to reset all the settings to see if it works if there is no solution.

  Thank you for taking the time to read this post.

  Emojii...,

  The 'Lock Sound' has changed with iOS 10. There is no user option to change the sound. If you don't like the sound, you can go to settings > sounds > lock sound and turn it off.

  

• Hi all, I keep is typed in the password at startup box, in bars in safari and firefox coupled with a stuck key noise that stops when you press a key, I scanned with antivirus that seems clear, can anyone help?

  Hi all, I get a storm of +'s typed in the password at startup box upward, in bars in safari and firefox coupled with a stuck key noise that stops when you press a key, I scanned with antivirus that seems clear, can anyone help?

  Clings in the key on the keyboard? Wired or wireless keyboard?

  Try to run this program, copy and paste the result in a response. The program was created by Etresoft, a regular contributor.  Use please copy and paste the screenshots can be difficult to read. On the screen with the Options, please open Options and tick the boxes in the bottom 2 before the race. Click on the button "Report share" in the toolbar, select "Copy to Clipboard" and then paste into a response. This will show what is running on your computer. No personal information is shown.

  Etrecheck - Information System

  Reset an Apple Bluetooth mouse or Trackpad wireless keyboard (pairings and other common troubleshooting problems)

  Restart your computer, hold down the option/alt - P - R keys command before the gray screen appears. Continue until you hear the startup chime for the second time.

  Reset the NVRAM EXTRA memory

• iMac by making a noise when I turn it on.  What's wrong?

  What can I do to stop the noise when I turn on my iMac?

  Turn down the volume. If this does not work for you, reset the NVRAM according to the following: How to reset the NVRAM on your Mac - Apple Support

• Noise of Time Capsule

  My Time Capsule has started making a noise like a noisy fan.  She only occasionally and takes about 5 to 10 minutes, then stops.  Is this normal or is is a fault developing?

  The next time you hear the sound...

  Open the AirPort Utility on your Mac (Finder > Applications > utilities > AirPort Utility)

  Click on the image of the time Capsule

  Click Edit in the window that appears

  Now to divert attention from your eyes all the way up to the top of the computer screen... to the top where you see the Edit file, window, help, menus etc.

  Click on the menu of the Basic Station

  Click on Diagnostics and usage

  Copy and paste the information into the data window in your response.