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Old 08-07-2010, 08:56 PM
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kreig kreig is offline
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Default Will I see a huge decrease in battery performance if...

...I play songs that are over the average 128 kbps? I'm not sure how that works.

I have the s545 model by the way.
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Old 08-07-2010, 09:36 PM
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Satellite_6 Satellite_6 is offline
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There may be some difference but I doubt it will be huge. For the love of music, plz use something higher than ~128, your ears will thank you.
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Old 08-08-2010, 12:15 AM
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You will see a decrease, but it shouldn't be drastic.
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Old 08-08-2010, 01:05 AM
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Actually, the decrease in battery life can be fairly substantial, depending on your mp3 bitrates.

From the S545 manual, battery life at 128kbps mp3 files is stated to be ~42hours. In real life, if you encode at 192 or better VBR LAME, I would surmise that you will probably see 33-35 hours - a little less if you use EQ on top of that.

My guess above is based on my own usage of at least V2 LAME mp3 [and sometimes 320CBR....yeah, yeah, I know] on my E345.

The E345 manual states that at 128kbps, one can expect ~30 hours playback. In real life, with my bitrates above, I get more like 23-25 hours, with EQ.

This is more than satisfactory for me. But yes, on paper, the decrease in battery life on the S/E is significant. But again, this depends on how you personally define "huge".

Also, of course, constant fiddling with the controls [which cause the screen to light up] will also have a detrimental impact.

The S545 is a very fine player - enjoy it!
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Old 08-09-2010, 05:35 PM
Enigmatic Enigmatic is offline
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Quote:
Originally Posted by kreig View Post
[Will I see a huge decrease in battery performance if] I play songs that are over the average 128 kbps?
Maybe. Please see, for example, http://www.sonyinsider.com/2008/08/1...aland-website/.
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