Question about SanDisk Sansa m230 MP3 Player

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Alternating audio quality

The audio quality will constantly change in the left headphone and there'll be a lot of static. At one point the quality will be good bt then the osound will dimiish. This is in the left headphone ONLY, not the right.

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Hardware issue - must be replaced

Posted on May 27, 2008


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Posted on Jan 02, 2017


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In general, SSD drives are faster but smaller than rotating drives. If you need a little more storage, replace your existing drive with a bigger one. If you need a LOT more storage, and don't need it to be internal, then something like a WD "My Cloud" plugs right in and offers a lot of storage
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Most laptops have limited sound quality built in, especially if you're using headphones. There are a vast selection of external sound cards and DACs available at price points from $20 to thousands, depending on what you're willing to spend. If you're using headphones, make sure you get one rated to drive headphones, not one rated to just drive electronics. I have this one:
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Nearly constant static

Your cable or phone jack connection is defective.

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Sennheiser headphone static

you might check to make sure that your gain isnt to high many times this can negatively effect your sound quality

Mar 25, 2013 | Sennheiser Audio Players & Recorders

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Sound from headphones on computer terrible

b> WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards You will need to open up your computer to check the back of the input headphones plug look for dusty and bad soldering or loose connections. b> Computer Headphone Jack Has Fuzzy Noise b> When building a computer system, making headphone and microphone jacks are one area where computer manufacturers use the lowest-cost parts. When it comes to computer audio, no perceivable difference in sound quality exists between that of ordinary parts and higher quality ones. Very low-quality parts, or parts that are installed with sub-par wiring, however, can lead to fuzzy sounds and static on headphones.

Symptoms and Component Isolation Start the diagnosis by using different headphones in the jack. If the fuzzy noise or static problem persists over multiple headphones, even if it doesn't happen with all of them, it's probably within the jack on the computer. This is also probably the case if the static increases when you do other things on the computer, like dragging windows around on screen with your mouse, then stops when you stop dragging windows. Causes b> The leading cause of headphone jack static is electromagnetic interference from other components in the computer's case. When electrical devices draw current, they also generate a magnetic field. Overlapping magnetic fields cause static. To combat this effect, the manufacturer provides for the components on motherboards to be grounded - the wiring from the microphone jack will have an extra lead that goes directly to a grounding agent. When your computer headphone jack has a fuzzy sound, or static, the ultimate cause is usually bad grounding on the wiring that the jack plugs into. Rewiring The Jack b> If you're comfortable with a soldering iron, and know enough about electronics and wiring, you can remove the wire to your microphone jack and put in one with heavier shielding, or a better ground. If you're not comfortable with this, a computer repair shop may be willing to tackle this for you; the actual cost in labor is about an hour to an hour and a half of labor time. It may be less if the shop technician is familiar with this sort of repair, as opposed to only knowing how to swap cards on the motherboard. Using Different Ports for Audio Cheaper alternatives exist than rewiring the headphone jack on your motherboard. One of them is to put in a dedicated sound card - which will cost $15 or so, and you may have a compatible one from an old computer that can be scavenged. This will require researching the make and manufacturer of the card to download compatible drivers off the internet, and then installing them on your computer. If you have an unused USB port, the easiest solution is a pair of USB headphones. This has the advantage of working with future hardware as well.

How to reduce static in my audio

Feb 27, 2013 | Computers & Internet

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I have a Static noise coming from the right channel of my mixer. I hear it coming out the right speaker as well as the right ear of my headphones (jack). How can I fix this?

That sounds like a bad connection but it can also indicate your mixer has a problem. If it occurs on all channels it is the mixer, if only one then the problem is in the input. Check your cables, they are a big culprut in problems like this.

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Using the wiring colors check the head unit output with a test speaker.

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The 3.5mm audio plug broke off on my Beyerdynamic headphones. I need to replace the plug. There are four conductors but I don't know what type of plug to buy (4-pin?) or what the pinout is.

Two of the wires are ground (-) and two are hot/signal (+). You'll need a stereo 3.5mm mini plug (try your local RS...they also call them 1/8" plugs). The stereo plug will be divided into three separate connections called Tip, Ring and Sleeve. The Tip is right channel signal, the Ring is left channel signal and the two grounds should be connected to the Sleeve or ground connection.

If you get one side of your headphones backward (out of phase, plus and minus backwards) you'll know by the sound quality and so reverse the wires of only one side to correct.

Apr 13, 2011 | Audio Players & Recorders

1 Answer

There is constant static in the left ear when the noise cancelling is turned on. The only way to solve this is to turn the noise cancelling feature off. Is there another solution?

these things are suppost to have a little static noise when on. next time get noise reduction headphones. they are like headphone style ear protection like what construction workers use. but only more stylish and they contain speakers. and no killing batteries for good sound. they are regular headphones but with really good sound isolation

Oct 25, 2010 | JVC HA-NC250 Headphones

1 Answer

Fixed broken headphones but sound quality has plummeted

 it sounds as if the wires are wired wrong . yes it is best to solder the wires.all jacks are the same,yours will be stereo i believe. is the braid attached to the earth point, the two other wires attach to the centre of the plug and the other terminal point. these are right and left. 

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