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Lossless / Other Codecs / Re: Tested: Lossless decoding speed, multithreaded - and fast verification
Last post by Porcus -Good idea to test that, then. The attachment is subset flac, and ffmpeg cannot decode it.
If I summarize:Slight misscalculation in your table: 54kHz Samplingrate = 27kHz bandwidth = +5000 Hz over RedBook
At the moment, the possible formats of choice are:
- FLAC: resampled to 48000 and 20 bit = 1000 kbps. Not bad. A few improvements over Red Book (+4000 Hz, +4bit) and decent bitrate. No fear of artifact or noise
- FLAC: resampled to 54000 and 19 bit = 1000 kbps. Not bad either (+10.000Hz and +3bit over RedBook).
- FLAC: resampled to 54000 and 18 bit = 900 kbps. (+10.000Hz and +2bit over RedBook).
I tried then 60000 Hz, 58000 Hz, 56000 Hz, 52000 Hz => output file is always 192.000 Khz. Is it a bug or a feature? Probably a bug.By default Foobar is set to Windows "Primary Sound Driver", the "Primary Sound Driver" is resampling it to the standard samplingrate you're set up in your Windows sound settings.
As you paid a Premium for your 24/192 Files, I would go to 24/96 or 20/96 to save space and to be still in the area of peace of mind.
- Keeping 192.000 Hz is a total waste of space: no information but noise on all recordings I tried (and most of them are modern and state-of-the-art recordings from the last three years
- 96.000 Hz is from an perceptual point of view the same waste, but from a technical point of view the upper frequencies contains real information (but of course not audible)