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No sound on laptop hooked to pre-amp/amp

Running DJ/Karaoke show from a laptop to a pre-amp/amp & speakers. All software says music is playing but no sound.

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Assuming a Windows PC, go to Control Panel and locate the Sound item (Start button->Control Panel->Sound, should have a speaker logo beside it). Check the entries there and see if one of them is listed as disabled. If so, right click on it and choose enable. I would then disable the laptop speakers (so you don't have an echo from both sets playing simultaneously; right click the laptop speakers item in the Playback section and choose Disable). The go to the Sound icon in the lower right of your desktop (by the date and time) and unmute the sound. MS has plenty of help online for testing sound to make sure the devices work.

Posted on Jul 22, 2013

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Can i use karaoke mic in harman avr 245 ?


No. The 245 doesn't have a microphone input. Besides, the speakers for a home surround sound system are a bit too delicate for the distortion levels generated by karaoke.

Here's a $300 speaker (yes, $300 for a single speaker) wrecked from teens doing karaoke. They then bust it more messing around trying to push the tweeter cone together so the crack wouldn't be so noticeable

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If you still want to go ahead with the idea then you'll need some other bits of gear. For simplicity sake I'd recommend a karaoke CD+G player. It will have mic inputs, vocal echo, and take care of putting the works up on screen.

The alternative is a mixer with effects (echo, reverb) - Cheap is Behringer Xenyx 1202FX

and a source device for music and graphics. This could be your PC, but you'll then need to go trawling for karaoke files and you'll need some software to play them and do the words. Sax & Dotty is pretty good software.

The PC sound needs to be connected to the mixer in a stereo channel. The mic goes in mono on a mic channel. The output of the mixer goes to the AVR on an AUX input.

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This is a possible damage on the internal speakers or a connection fault at the headphone jack connector. you might need to open the laptop to check and confirm on the connectors.

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Hi. Today I bought a 3 foot audio y-cable and an RCA (Phono) Female to RCA (Phoneo) Female cable so that I could hook up these two speakers that I have that belong to a predisian sound system (boom box)...


All you need to do is get a USB based sound adapter 16/32BIT MINIMUM to plug your speakers straight into your laptop with better sound. Many laptops will have limited sound OUTPUT which places large limitations on pushing sound through your nice speakers. You already know the problem is not the speakers or new cables, therefore you know that problem has been isolated to your laptop. You may also check the volume settings in the laptop to ensure your running the highest possible BIT or volume enhacement software. Let me know if this does the trick for you.

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I use a laptop,an external hardrive,and a mixer amp what is the best way to record some one singing on my karaoke to be able to burn it to disc for them to keep?Do you have any karaoke experts.....


I would suggest you to use a headset (without mic) and play the karaoke for them so that they can listen the music through the headphone while they sing. Connect the mic on the mic plug on your computer and record the songs they are singing with rhythm of the karaoke using an audio editor like Audacity or Adobe Audition and similar softwares. Suppose if you play the karaoke on your speaker, then the music will be heard from the mic and it'll be mixed up with the songs he/she is singing. For best result, Record the sound/songs and save it as different file and mixdown the karaoke file with it later. Otherwise, you'll not be able to get good songs. Please let me know if you need further help.
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1 Answer

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Playing through the USB port can cause all sorts of "problems" also ensure NO other software is competing for the CPU time. It is always best to play work on use, anything or file, from the actual hard drive. simply copy the files to the HD, and use them from there Also more RAM is always beneficial Also make sure you have the most up-to-date Codecs installed too.

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