Question about Samsung Blackjack SGH-I607 Smartphone

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Blackjack sound quality

When placing a call the party on the other end only hears a garbled sound when I speak. I also tried using a bluetooth device and the results are the same. I went on the Samsung site, downloaded and updated to the latest software,this did not work either.

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  • krankas Nov 03, 2007

    Samsung will not honor the warranty as the phone was given to me used. They claim that the warranty is not transferable. They also have records of the phone being sent in before for the same problem by the previous owner.

  • krankas Nov 03, 2007

    Samsung will not honor the warranty as the phone was given to me used. They claim that the warranty is not transferable. They are aware of the issue with this unit because it was sent in by the previous owner three times for the same reason. I am trying to find the appropriate software (if it exists) to fix the problem.

  • Anonymous Mar 31, 2009

    **** i dont want to pay for a mic



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Is this phone under a year old, because if it is do a warranty claim as long as it has no water damage.


Posted on Nov 02, 2007

  • john weller Nov 05, 2007

    Its doesnt sound like a software problem it sounds like you need to replace the microphone in it. Hopefully the mic is not on the board. but try looking for the part on



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If you experience feedback often, it could also lead to serious hearing problems.

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The main cause of a feedback sound in a headset is proximity to a speaker. If a person holding a microphone on the other end gets too close to a speaker, it creates a loop of re-amplified sound that results in the loud, screeching noise. When the volume on the other party's microphone is too high, it is more vulnerable to picking up unwanted noise and feedback from speakers and sound output devices in the room. So make sure that you ask the other party to turn down the microphone to a normal level and stay far from speakers. b> Two Microphones Gathering Same Sound b> When the other party places two microphones too close to each other, it could cause feedback. When positioned toward the sound source (such as a person speaking) the microphones will both pick up the same audio and compete with each other when creating the output of sound, causing a sharp noise in your headset. This problem, called acoustic phase interference, is resolved by simply ensuring that the other party uses one microphone at a time. Poor-Quality Headset or Microphone b> One common cause of feedback is simply a poor-quality headset or microphone. Most modern headsets and microphones have noise-canceling features that manage and kill feedback before it has a chance to occur. These noise-canceling headsets are essential for pilots and aviation crew members. If you hear sudden feedback that is strong enough to hurt your ears, the headset or microphone is simply not properly equipped to actively cancel that unwanted noise before it hits your ears. Buy a higher-quality noise-canceling headset to manage the feedback noise when you're going about your tasks. Hope this helps.

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New user with Blue Parrot B250XT headset. Using it on Skype and PC with iogear bluetooth dongle, all seems to be properly configured. Tested the audio quality from the microphone and it is garbled. ...

Hi there,
It seems that there is a physical problem with the microphone of that headset, It rarely happens but it does, even brand new units sometimes would have defects.
In windows there is a sound recorder feature that you can use so you can try recording your voice from the headset and check if it will be garbled.
you can also test the device on another equipment, Pair it on a mobile phone that is bluetooth capable and try calling or receive a call and check if the same result would appear.
If the same happens for all these steps, if you have just bought the headset you would want to bring it back and ask for a replacement unit or a refund and get a different model.
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Note: "Output Device" is the audio, how you will hear the PS3 audio and others speaking.

If you would like to hear the PS3 audio and others speaking through your TV or Audio System, scroll to "Output Device" and switch to "System Default Device". If you would like to hear sound through the [EM-227] headset, then leave the "Output Device" setting on [EM-227].

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