Effect of XCPUScalar ???? - PDA2, XDA IIi, 2020i General

I'm using XCPUScalar now and overclock the speed to 624Mhz. If I use it for a long time, my O2i will get some bad effects such as: crash, low battery...?

Hi!
I am not sure but i hvae been using it for long time with tubor power setting in my PPC with no problem> speed increase specially with game playing.

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overclocking and a hisss sound

my t-mobile wing makes this hissing sound when i have it on its stock clock... and it bugz the hell out of me but when i use omap 2 over clock it to 247 and the hissing sound stops any 1 eles has this problem....another question what tempature is a good and stable to have when ur clocking ur wing @
Mine does the same thing but I just leave it clocked at 299 anyway.
It's a known issue. When the processor is underclocked, 201MHz or lower, the "Hissing" sound gets louder. This sound is coming from the LCD screen. You will notice that this sound will dissapear in two situations:
Overclock your phone
OR
Press the power button to turn off screen
I have mine setup with CPU scaler going from 188MHz - 286MHz. I figure the only time my phone will go to 188MHz is when its on stand by, in this case, the screen is already turned off .
So other then those two options, I don't know of any other way to resolve the "Hissing" sound.
Regards,
yes the lcd does make hissing sound and ive clocked my wing @ 241... one last question what temputer would be a 2 hot for the wing 2 be @ ... i dont want to fry my wing

Playing music makes my diamond lag

Why is this?
it doesn't seem to use too much CPU or memory (using coreplayer). as soon as i pause the music, diamond is lag free. as soon as i resume, its a lag fest.
is there a tweak for this somewhere? I did spend some time searching and browsing for an answer, but i dont have all day
it's absolutely normal that your diamond lags out, mine does that too. However core player is a heavy program just to listen to music, try using HTC Audio Player wich is lighter

Bluetooth Headphones

I am thinking of buying bluetooth headphones because my wires constantly tangling and eventually ripping or breaking is really pissing me off
so i what i want to know is:
How good is the sound quality (this matters to an extent)
does it cut out a lot (if yes is there a fix)
how much does it affect the g1 battery life
thanks i advance
JJbdoggg said:
How good is the sound quality (this matters to an extent)
does it cut out a lot (if yes is there a fix)
how much does it affect the g1 battery life
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Click to collapse
I don't know how much of it is introduced by the MP3 decoding software, the A2DP link, and my A2DP headset, but I do notice a slightly higher noise floor listening to MP3s on G1 as compared to on my computer. It is mainly noticeable during the period between when the headset initializes a stream and when audio actually begins to play. Quiet portions of songs and musical pieces with high dynamic range (classical, mainly) also will suffer disproportionately. If you don't listen to music with high dynamic ranges or significant quiet parts, then the noise floor will likely be imperceptible.
On drop outs: Since BT operates in the ISM frequency, if you live/work in a place with heavy WiFi usage (an apartment complex, an office park) you may notice frequent drop out. In extremely WiFi noisy areas, it can be at the point where it's unusable. The other reason for drop outs (more uncommon) results from the phone hitting the limit of its processing power and being unable to decode the MP3 in realtime. You will notice that while using A2DP music playback, the phone will act more sluggishly, especially for realtime applications like games. I encode my MP3s as LAME -V0, and at this setting the G1 requires 8% CPU to decode. However, playback of the same material over A2DP increases CPU usage to ~30%. The reason for the additional 22% is due to re-encoding to SBC for A2DP. I recommend not running a Rosie/Sense UI with A2DP.
Battery life will also take a nice hit too. In addition to that extra 22% CPU time (meaning more battery consumption), the phone will have to run its BT radio nonstop. I haven't run any battery life comparisons myself, but expect the usable battery life to drop considerably with A2DP playback as opposed to using the wired headset.
jashsu said:
I don't know how much of it is introduced by the MP3 decoding software, the A2DP link, and my A2DP headset, but I do notice a slightly higher noise floor listening to MP3s on G1 as compared to on my computer. It is mainly noticeable during the period between when the headset initializes a stream and when audio actually begins to play. Quiet portions of songs and musical pieces with high dynamic range (classical, mainly) also will suffer disproportionately. If you don't listen to music with high dynamic ranges or significant quiet parts, then the noise floor will likely be imperceptible.
On drop outs: Since BT operates in the ISM frequency, if you live/work in a place with heavy WiFi usage (an apartment complex, an office park) you may notice frequent drop out. In extremely WiFi noisy areas, it can be at the point where it's unusable. The other reason for drop outs (more uncommon) results from the phone hitting the limit of its processing power and being unable to decode the MP3 in realtime. You will notice that while using A2DP music playback, the phone will act more sluggishly, especially for realtime applications like games. I encode my MP3s as LAME -V0, and at this setting the G1 requires 8% CPU to decode. However, playback of the same material over A2DP increases CPU usage to ~30%. The reason for the additional 22% is due to re-encoding to SBC for A2DP. I recommend not running a Rosie/Sense UI with A2DP.
Battery life will also take a nice hit too. In addition to that extra 22% CPU time (meaning more battery consumption), the phone will have to run its BT radio nonstop. I haven't run any battery life comparisons myself, but expect the usable battery life to drop considerably with A2DP playback as opposed to using the wired headset.
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I dont live in a wifi heavy area (or any where near one) and dont use the phone for much except browsing while listening to music i guess ill have to go to a cyan rom now(ill just use a hero theme ) Thanks for the great answer
I've had lots of issues with different stereo bt headphones, I think the problem is mostly on the headphones side. Flaky playback, audio actually changes speeds while listening to songs, audio cuts out periodically, can't forward to rev to other songs. I've had all these issues and more on my G1, and a Samsung P2 and P3, so I'm blaming the headsets.
Jak Crow said:
audio actually changes speeds while listening to songs
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I thought I was going crazy when I first heard this, but apparently its a problem with a lot of a2dp setups. In a way pitch changes are more irritating than drop outs since atleast most of the time it's pretty clear when you have a drop out.
I have an LB HBS 200 headset (I think that's the name). Talking quality is the same as any other bluetooth headset I have ever owned. Kinda choppy. However, that is not the case for the music part. The music sounds great and I have never had trouble with it. Best off, it's only $25 at Fry's Electronics! The next closest one I saw was a motorola for $50. You should look into it. I highly recommend it.

Why 2.3.2 Music Player messed up

I have tried both roms and whenever i listen to music, after the 1st song the music starts skipping/ chopping bad and freezes the phone.
Have you tried keeping the screen on while listening to music? If it only gets choppy when the screen is off, your cpu frequency may be too low.
also, you could change your cpu governor to ondemand, seems to work for some
Does it get choppy with other players, like Meridian?
c00ller said:
Have you tried keeping the screen on while listening to music? If it only gets choppy when the screen is off, your cpu frequency may be too low.
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Click to collapse
+1 Raise your minimum CPU setting
Sent from my HTC Hero CDMA using XDA App

Music skips in ICS

I saw similar threads like 2 years ago, but none of the solutions helped me so I decided to create new one.
Here is my situation.
When I play music (flac, mp3, ogg, whatever...) every some time (3,4,5 minutes) music stops for a fraction of a second.
Maybe it's nothing but it's irritating.
I eventually found what is responsible. Its GPS receiver. When I turn it off, everything is ok. I could live with that, but... I often listen to music, and use GPS at the same time so it would be nice to get it working together. Is there any chance to fight this issue?
my environment:
ROM: slimICS
Kernel: Devil (but also tried semaphore and mnics and that changed nothing).
Player: PoerAmp + VoodooSound (but also tried stock player, with and without voodoo and problem persists).
I also tried different governors: smartass, ondemand, conservative.
I tried to set Min CPU freq to 200 MHz. Still nothing.
Only solution is to turn off GPS.
What do you think?
vibowit said:
I eventually found what is responsible. Its GPS receiver. When I turn it off, everything is ok.
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GPS receiver by itself is an odd cause for music skipping. I think the problem is with a background app you are using (which probably relies on the GPS). I too use my phone on CM9 for music with poweramp, but rarely hear music stopping or skipping.
I've had this problem with CodenameAndroid
I'm not sure but it seems to only happen when my screen is off
possibly when the phone is trying to deep sleep
in my case it also happens when the screen is on, and I do not use deep idle.
I'll investigate it in detail. Will do new installation, so I will try to restore apps one by one. It can take a little time.
APP - power amp, has a setting to increase the Audio buffer size (settings>audio engine>audio buffer size). Change from Auto to Large(+250ms).. this fixed the problem for me.
Other music apps may have this option
dlockhart, I use poweramp, and changing buffer size didn't help.
I will investigate further. Clear rom, so far even with gps on everything is ok.
It's a longshot, but is this only when you have a jack plugged, or also when playing from the phone speaker? A faulty jack or it not being properly plugged has actually caused something similar for me.
Sent from the fridge.
anything new in here? just have the same problem, but different phone. should be an software issue.
Poweramp worked!
dlockhart said:
APP - power amp, has a setting to increase the Audio buffer size (settings>audio engine>audio buffer size). Change from Auto to Large(+250ms).. this fixed the problem for me.
Other music apps may have this option
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Click to collapse
Yeah this worked for me too on Desire Z (I know, wrong forum but having identical issues on ICS). You can also disable the media controls on the headset that seem to mess it up too! No more skipping, thanks for the tip!
i'm having this problem right now
I had it to. Try jellybean. Because of vsync (project butter) the cpu and gpu animate the screen instead of just cpu, cpu now has more time to handle everything else. My music has yet to skip on jellybean. Working really good.
Is this Error in jelly bean as well ?
predator120480 said:
Is this Error in jelly bean as well ?
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Did you even read my above post? No it is very good.
Sent from my GT-I9000 using xda premium

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