volume presets. Cheers.
From: Erik de Castro Lopo
Sent: Sunday, August 20, 2017 7:45 AM
To: z1x2c3v4z1x2c3v4
Cc: flac-dev@xiph.org
Subject: Re: [flac-dev] FLAC compression experiment
z1x2c3v4z1x2c3v4 wrote:
> I feel I have found a super high compression way
There are several errors and misinterpretations in your example.
Your first error is that at 5% volume, starting with a 16-bit file results in
less than 12 bits of resolution. There is no way to get back the original
16-bit quality unless you promote the 16-bit file to a 24-bit file at the same
"z1x2c3v4z1x2c3v4",
I think a sine wave is not the best way to test a compression algorithm
since the only uncorrelated component is the quantizing error, which is
very small.
First of all, my test for a 100 % 440 Hz tone yields 24.10 % instead of
30.66 % as yours.
Second, for 16 bit, 441
z1x2c3v4z1x2c3v4 wrote:
> I feel I have found a super high compression way of FLAC. I
> have tested a 1 hour WAV file of 440HTZ with a 5,25,50,75,100
> normalize volume preset
So this a a test file with just a 440Hz sine wave? That signal
is totally unlike actual music that people use FLAC to enc
Hi FLAC team.
I feel I have found a super high compression way of FLAC. I have tested a 1
hour WAV file of 440HTZ with a 5,25,50,75,100 normalize volume preset. This
dramatically changes the compression size of the end FLAC file even though the
WAV file size is identical for all 5 WAV files. O
