If you are rooted, then just download any CPU monitoring app. I personally use Rom Toolbox. In CPU/Processor settings in the app, you will find "Governer" and a list of available governers to choose from. Let me know if you still have trouble finding it.
TIP : Don't set Governer to "Powersave" even for trying it out. You wil find your fone lagging extremely.
Also don't play around much with other CPU settings unless you are absolutely sure what are you doing.
Sent from my GT-N7100 using XDA Free mobile app
There actually isn't a need for changing the whole governor.
Download trickster mod from google play and in that change hotplug_min_CPU_lock to 2 whenever you want to listen to music, and change it back to 0 afterwards. Ondemand causes lags under heavy load and can be a battery drainer too. Pegasusq is multicore aware and can scale the cores depending on load and hotplug threshold defined by min wake CPU frequency or run queue length, and thus is more liberal on battery too, while providing a good performance at same time.
Sent from my RPG with auto targeting
I faced this annoying problem where earphones made crackling sound randomly while playing music only while screen was off.
I saw another thread where people faced same problem in S III, but no definite solution.
You need to be rooted.
Just change your CPU governer to "On Demand".
Mine was set to 'pegasusq'. I believe it forces CPU into low power mode while the screen is off and CPU frequency becomes so low that read speed of music files reduced.
Above FIX resolved my issue. I wanted to share so that anyone suffering from same issue can be benifited.
I am not responsible for any damage caused to your device. This post is just a workaround if you are rooted user. If you don't know anything about rooting, please explore the forum first.
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