Displaying 20 results from an estimated 1000 matches similar to: "Impossible two bugs in Opus"
2018 Nov 17
0
Impossible two bugs in Opus
On Fri, Nov 16, 2018 at 7:40 PM ongaku zettai <sergeinakamoto at gmail.com>
wrote:
> Hello.
> i have over 30GB of Opus music and noticed that
> solo instrumentals and solo vocals uses more bitrate
> than full-mixes.
> Here's example where Opus 1.3 used 190 kbps for
> piano solo and 159 kbps for full-mix.
> (--bitrate 160 --music)
> Download example piano solo
2018 Nov 17
0
Impossible two bugs in Opus
On Nov 17 20:37:21, sergeinakamoto at gmail.com wrote:
> Hello. Me again.
> Have you tried to encode piano solo?
> Noticed high bitrate Opus gave?
> Download FLAC and Opus both files,
> new link:
> http://www.filedropper.com/example_3
> FLAC full: 1084 kbps;
> FLAC solo: 465 kbps.
> with --bitrate 160:
> Opus full: 158 kbps;
> Opus solo: 190 kbps.
The two
2019 Nov 19
2
openssl-dev, libtool, shared vs static
Hello! Trying to compile, build, install and run Opus.
My config: Ubuntu console (Windows 10 app).
First problem, configure says openssl is missing.
My system says that i have openssl already.
Which openssl does it need?
Using aptitude, i've installed everything with openssl name in it.
That's tons of files and gigabytes of data. But it worked somehow.
Second problem, flac-1.3.2 -
2018 May 25
2
compiling Opus at home (dangerous)
help compiling Opus!
i'm stuck at opusfile.
configure says i don't have openssl package installed but Debian 9.4 thinks
i do.
this Debian only have Opus 1.2-alpha2 package, so i need to compile Opus by
myself.
seems even Debian developers having trouble compiling latest versions of
Opus,
what chances do i have to succeed?
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2018 Nov 17
1
Impossible two bugs in Opus
tracked down the spectogram atrefact source; it comes from the resampler.
so it's not really a bug, just a nuisance.
let's hope in the future Opus will be able to save bitrate on simple
audio parts as all other lossy and lossless codecs do.
i think opus decreasing bitrate only when it thinks that audio
is too complex for human to hear difference. that's a bad attitude.
2017 Oct 31
3
OPUS vs MP3
Jean-Mark sarkasm.
Jean-Markasm.
(Bonus points for providing an actual noisy WAV! ^_^)
On 30/10/2017 20:28, Jean-Marc Valin wrote:
Hi,
Before I comment on the graphics you posted to visualize the difference
between two audio signals, I'd like to ask for your help in evaluating
my JPEG encoder. I've encoded an image with JPEG and then computed the
difference with the original. I then
2017 Oct 31
3
Antw: Re: OPUS vs MP3
Hi guys,
as MP3 and Opus have very similar objectives, I think the original poster's
question was a valid one: Why does Opus have more artefacts in the lower
frequency ranges than MP3 has? The spontaneous suspect that lower frequency
artefacts may be more noticeably than higher frequency artefacts seems
plausible, also. Is it a matter of energy (which is higher for higher
frequencies)?
When
2017 Oct 18
3
OPUS vs MP3
Good morning.
I've ran a test against MP3 format.
Code: (first convert tested audio file to 16 bit 48khz with sox.exe if
needed)
lame.exe -b 320 48khzfilein.wav -o fileout.mp3
lame --decode fileout.mp3 -o fileout.mp3.wav
opusenc.exe --bitrate 320 48khzfilein.wav fileout.opus
opusdec.exe fileout.opus fileout.opus.wav
wavdiff.exe 48khzfilein.wav fileout.mp3.wav -diff fileout.mp3.delta.wav
2003 Jun 20
2
Quality -1 default low-pass
I brought this up 12 months ago or more. I believe the low-pass filter defaults too high with quality -1 in Vorbis 1.0. Is this going to change in the future? I think it should at least cut off at 15khz not 16khz and perhaps even 14khz. I believe it's important when streaming. Removing some of the higher frequencies compared to removing more of the audible sound makes more sense to me.
2011 May 07
7
Mouse wheel does not work anymore
I've upgraded mine Ubuntu distribution and mouse wheel does not work anymore (just in Wine), any suggestions?
2010 Jan 04
2
spectrogram
Hi,
I need to plot spectrogram of a waveform.What package offers this?
--
Rajesh.J
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2019 Nov 03
4
Recent inability to view long filenames stored with scp via samba mount
Greetings Samba team,
It has been a long time since I needed to ask a Samba technical question.
Server and workstation are both running the latest Samba packages via Ubuntu 16.04 LTS. I recently applied the security updates... actually that was yesterday I applied them.
> samba (2:4.3.11+dfsg-0ubuntu0.16.04.23) xenial-security; urgency=medium
>
> * SECURITY UPDATE: client code can
2007 Dec 06
1
Frequency and Phase Spectrograms
I know that there is a function, (spectro3D), that produces the Power Spectrogram. Are there R functions that produce the Frequency Spectrogram and the Phase Spectrogram? Thank you for your time.
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2015 Jun 22
5
Recording piano and voice
The last time I wanted to record a voice announcement on my computer was a few years back, and as I recall I hooked up my Microsoft Lifechat headset and used Audacity to do the recording.
Now I want to record a "recitation", which consists of me playing my piano and talking over it.
I have a Casio CDP-230 digital piano but I've never tried hooking it up to my computer and making a
2015 Jun 23
6
Recording piano and voice
On Tue, 23 Jun 2015 10:15:35 -0400
Lamar Owen wrote:
> The USB MIDI port won't give you audio, just MIDI text.
That's what I thought. To this point, I've never done anything MIDI and I really don't know much about that; I just use my piano for the purpose of playing the piano.
> What sort of sound card do you have?
description: Audio device
product: 6
2018 Nov 17
0
Impossible bug in Opus
Hello.
i have over 30GB of Opus music and noticed that
solo instrumentals and solo vocals uses more bitrate
than full-mixes.
Here's example where Opus 1.3 used 190 kbps for
piano solo and 159 kbps for full-mix.
(--bitrate 160 --music)
Download example piano solo 15MB:
https://mega.nz/#!wLBz3AZT!YmqQMkAGqc4kGHumNWZAfB7Cmcf4vFlHpT6IiiAVCNA
FLAC uses 2 times less bitrate for solo than full-mix
2010 Jun 03
3
Interaction versus combinations
I can get the interactions between factors like this:
> idx=c(1,3,6,9)
> jdx=idx
> levels(interaction(idx,jdx,lex.order=TRUE))
[1] "1.1" "1.3" "1.6" "1.9" "3.1" "3.3" "3.6" "3.9" "6.1" "6.3" "6.6"
"6.9"
[13] "9.1" "9.3" "9.6"
2015 Nov 23
3
COFF::IMAGE_REL_AMD64_REL32 relocation overflow when compiling for x86_64
Thanks Andy, helpful as always!
1 is a possibility, but not ideal for us.
Could you elaborate a little on 3? I don't really know what a jump stub is,
but am guessing it's a kind of "alternative symbol" which would just act as
a middle man to invoke the "real" symbol in the static library.
If that's the case, I can think of a way to implement it for specific
2017 Nov 16
2
Opus vs AAC (endurance test)
using iTunes i've noticed that AAC is
very good at re-encoding own lossy sound.
let's test Opus!
neroaacenc.exe -q 0.75 -if 000.wav -of 001.m4a
neroaacdec.exe -if 001.m4a -of aac001.wav
wavdiff.exe 000.wav aac001.wav
Comparing 000.wav - aac001.wav...
Max diff: -17.3867dB
RMS diff: -33.0851dB
Mean diff: -32.4582dB
opusenc.exe --bitrate 512 "000.wav" 001.opus
opusdec.exe 001.opus
2009 Oct 04
1
extraction from data.frame
Hi,
I extracted from a data.frame (x) of 27 columns a smaller data.frame (x2) with 12 columns whit the following:
x2=x[, c("BROVISINGVal", "CHATVal", "EMAILVal", ..., "Piano.Tariffario")]
Anyway I want to form x2 by extracting all the rows that assume any value for the first 11 columns but a particular value (2) for the last one