Rockbox General > Rockbox General Discussion
Setting limit volume on rockbox?
Llorean:
The precut is just a digital gain reduction. It shouldn't really sound different from simply turning the volume down.
bascule:
--- Quote from: Kay on November 29, 2007, 12:46:15 AM ---Is there a temporary way of increasing the volume range in order to achieve setting 2, but have it revert back to setting 1 the next time I start up the player?
--- End quote ---
Yes. Make a copy of /.rockbox/config.cfg and rename it to fixed.cfg.
Open that file in a text editor, strip out all but the 'volume' line and set the 'volume' value to whatever you want as your volume level Setting 1 (remembering that it's in dB in the configuration file, so 0 is the loudest setting).
Re-save the file into the /.rockbox directory.
Job done!
Angyman:
Case: User installs Rockbox for the first time (e.g. iRiver H10 Firmware)... Battery gets empty... Volume immediatly increases to maximum volume level (was/is? a bug with the iRiverH10). Something happens... Like a car accident, or a damage to the ears...
I think we are talking about a very very very important trhing: YOUR EARS...
Yes he could read the manual, yes he could do a EQ precut, but yes maybe he didnt do both of it. And what will be if something serious happens one time?! As seen on the H10 it can happen by a malfunction by the software in combination with a specific hardware.
I think it would be on a much safer way to provide rockbox with a predefined volume limit which can be than changed by the user later on. In this case i would say that the few bytes more of code are worth it.
By the way: The only point regarding this in any place is on page 144 in the Manual saying:
THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS
WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST
OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
Llorean:
That's really impossible to do. How "loud" any given volume level is is entirely dependent upon Headphones, Player, and anything in between (amp, stereo, etc).
This means that if we pick one level, it may be too quiet to listen to on some setups, yet loud enough to damage hearing on the other.
Frankly, fixing the "Volume suddenly shoots to max" bug is a good idea, obviously. But protecting their ears is ultimately in the hands of the user, and will pretty much always have to be. You shouldn't have your headphones on when driving a car, for example.
Kay:
Perhaps having a range of, say, four top volume ranges, so that users have a choice.
Please don't forget the case of the inexperienced or uncareful user (my example, a youngster), who may accidentally damage their ears.
Case in point, as I was exploring the precut EQ, I had the volume set up to top level to see what the highest level of precut would achieve and whether the sound quality was diminished. Since the precut can be adjusted while music is playing, a simple down cursor press on the Toshiba Gigabeat crosscontrol raised precut from the highest to 0 level. Had my headphones been close to my ears I could have damaged my ears while testing the very feature that has been put forth as the solution.
I may not have been clear enough in previous post, but the two preferred states for me would be a volume limited range and non-limited range, and reversion back to the volume limited range. The volume setting proposed in a previous post to the CFG file wouldn't help this; the setting to the precut would, assuming there's no reduction in quality.
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