Hi Rene Herman! On 2007.11.25 at 15:22:59 +0100, Rene Herman wrote next:
> That 16 kHz -60dB is just about my threshold with good headphones, good card > set to 0 dB and external amplication cranked up. -57 I hear always, at -60 > it's a little flaky. At those levels, 12-0dB actively hurts... Well it's not like it means a lot, without knowing resulting loudness of the signal - for example I can barely hear that -57 at half volume level of my headphone amplifier, but music is too loud to unbearable at that level, and comfortable level for replaygain-corrected music is about quarter volume. However, I have no idea about actual volume of that sound.. No way I would try to playback 12-0dB sample at full volume, since both 12-9dB and 16-9dB generate very unpleasant and loud signal at my usual quarter volume level. If I were to playback 20khz at levels over 100 dB and still wouldn't be able to hear it, would it mean that it's the same as if I don't hear anything at all? Sound still can damage ears even though you don't hear it, IIRC. PS 12-3dB from headphones at quarter volume level can be heard clearly from 5m away! On the other hand, 12-0dB sample seems to be either broken, or my system can't playback it - I head very high lower-frequency noise when playing it (resampling problem, maybe?), of course at good range away from headphones. PPS my head hurts :( Enough with experiments for today. I don't recommend anyone to toy with these 0dB samples.. -- Vladimir ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
