lol. They can’t hear the difference even with the most expensive equipment. The resultant signal from decompressing a FLAC phase cancels with the original signal if you invert it. Meaning they are indeed 100% identical. Lossless, dare I say.
Literally all it does as a file format is merge data that is identical in the left and right channel, so as not to store that information twice. You can see this for yourself by trying to compress tracks that have totally different/identical L and R channels, and seeing how much they compress if at all
No, it’s like explaining FLAC to anyone who happens to be curious about it after seeing this screen shot and wondering how something can be both compressed and lossless at the same time. Many people appreciate this type of information being accessible easily in the comments
FLAC still cuts out part of the signal. It’s limited to 20khz.
Bhat’s typically well above the limit of an adults hearing, especially someone old enough with enough money and equipment to be considered an audiophile.
No, it doesn’t. Digital PCM audio, as a concept, can only represent frequencies up to the sample rate used. Which can be anything. Typically 44kHz.
Going above that is pointless as humans are unable to perceive the ultrasonic frequencues that would unnecessarily include.
Lossless doesn’t mean “perfect recording”. By that logic lossless images or videos aren’t lossless, because they don’t include an infinite amount of pixels between every pixel, representing every photon that was captured.
Lossless refers to data-retention, not reality retention.
Even uncompressed audio cuts out frequencies. With digital audio capture it is impossible to capture everything. There will always be a floor and a ceiling. In the case of flac it’s typically 20-24hkz.
Audiophiles have moved onto “high res lossless” because regular lossless wasn’t good enough for them.
The “high res lossless” you’re referring to, is still FLAC. FLAC has no downside. Whatever PCM audio you want, it can represent perfectly, while using less storage.
FLAC doesn’t “limit” or “cut out” anything unless you or the software you’re using is reducing the bit depth or samplerate of the source PCM waveform.
Which is something you might want to do, since it will reduce file size significantly to not use a higher samplerate than necessary. But FLAC itself doesn’t do or require that.
On new formats, you might be thinking of MQA, which supposedly encodes the contents of a higher samplerate PCM waveform into a lower samplerate file, but it has been proven to be largely snake oil, and lossy as hell in terms of bit integrity.
Lossless converting a CD to FLAC. But that CD was recorded at 44hkz sampling rate, which gives you a maximum frequency of 22khz. You have lost audio above 22khz. Children can theoretically hear frequencies higher than this, but typically adults cannot.
do you know if anyone has tried this with a flac and an mp3 file? Theoretically all that should be left is the “loss” right? what would that sound like?
eta: I’d try myself but I’m not an audiophile and wouldn’t even know where to get a flac file (legally) and doubt my crappy $20 in ears would be capable of playing it back if I did
I did it once a few years ago (IIRC with a copy of Falling Down by Muse, not for any particular reason), and compared V0 320 with FLAC.
After amplifying the tiny, tiny wiggle of a sound that was left, I was left with very slight thin echoes, mostly well above 10k.
The sort of stuff you really wouldn’t worry about, unless you 100% wanted bit-perfect reproduction, or wanted to justify a £2000 pair of headphones.
Funnily enough, that was the point I stopped bothering to load FLAC onto my DAC, and just mirror everything into V0 for portable use.
Yeah, I think the difference between a FLAC and v0/320kbps is negligible.
However, the difference between a 128kbps mp3 and a v0/320kbps mp3 is massive and absolutely noticeable (and yes, it becomes more noticeable on higher quality equipment). Anything under 192kbps (or maybe 160), and you start to get noticeable degredation imo.
If anyone wants to claim that one cannot tell the difference between 128kbps and 320kbps, I’d take a blind listening test right now.
The easiest free way I know to get a FLAC file legally is to go to your local library, borrow a CD, and rip it to your home PC direct to FLAC. You’ll have to deal with the fact that your ODD might introduce some noise, but it’ll be the same noise as playing it from that same drive. Then rip the same disc to MP3.
Yes, WAV is in the middle both times, but that’s how you can get a FLAC file to compare legally.
lol, I don’t even own an optical drive anymore. I’m 100% streaming these days. It looks like from other comments there are places to buy FLAC files directly (which I’d hope would be decent quality)
It’s all academic though, I’m not really interested in becoming an audiophile. Streaming quality is fine for my needs.
Fair enough! But at least you know there’s a method in case it comes up. Also, I suggest you get a CD/DVD-RW drive, and BD-RW drive, just on principle - and use your local library for media! Your tax dollars pay for it, so you ought to get that value back!
Fair, but the recording method comes down to microphone quality; I’m trying to go from a known good recording with something that can/will be lost in the MP3 transition.
The problem with your noise point is, I’ve used ODDs with less-than-impeccable lasers (either laser itself or the housing). I’ve had discs ripped with minor audio corruptions - I’ve always called that ‘noise’ because it’s not the desired signal (and it can create literal random noise in the recording). Maybe there’s a better term for it, but simply put, not all drives are perfect, not all lasers are perfect, and there is a possibility of imperfect copying. It’s just a fact of life. Just like sometimes you might burn a frisbee, there’s times you don’t get a 100% clean rip.
Data corruption is one thing, but calling it “noise” is tremendously misleading because that’s such an issue when digitising from an analogue source. I can’t say I’ve ever experienced it due to the drive, but I have experienced it with scratched CDs. I’ve been using optical drives since the '90s and it’s so rare that bringing it up is really muddying the waters.
With regards to sourcing audio, the emphasis was on “easiest”. Most people haven’t had optical drives in their computers in a long time. Ultimately they’d probably be better off finding something on Wikimedia in PCM as their “known good”. Ripping audio isn’t difficult for you and me but we’re clearly nerdier than most!
Scratched discs are definitely a big problem, but I’ve had some bad drives in my time, where even good discs would get issues. I don’t really have a better shorthand for the issue that’s more descriptive than noise.
And you’re right, I just tend to assume a very high level of nerdiness of anyone on lemmy/kbin/mbin.
lol. They can’t hear the difference even with the most expensive equipment. The resultant signal from decompressing a FLAC phase cancels with the original signal if you invert it. Meaning they are indeed 100% identical. Lossless, dare I say.
Literally all it does as a file format is merge data that is identical in the left and right channel, so as not to store that information twice. You can see this for yourself by trying to compress tracks that have totally different/identical L and R channels, and seeing how much they compress if at all
This is like trying to explain to a SovCit, why they need to have a license.
You’re wasting your time.
No, it’s like explaining FLAC to anyone who happens to be curious about it after seeing this screen shot and wondering how something can be both compressed and lossless at the same time. Many people appreciate this type of information being accessible easily in the comments
Flac is literally lossless in the mathematical sense.
FLAC still cuts out part of the signal. It’s limited to 20khz.
Bhat’s typically well above the limit of an adults hearing, especially someone old enough with enough money and equipment to be considered an audiophile.
No, it doesn’t. Digital PCM audio, as a concept, can only represent frequencies up to the sample rate used. Which can be anything. Typically 44kHz.
Going above that is pointless as humans are unable to perceive the ultrasonic frequencues that would unnecessarily include.
Lossless doesn’t mean “perfect recording”. By that logic lossless images or videos aren’t lossless, because they don’t include an infinite amount of pixels between every pixel, representing every photon that was captured.
Lossless refers to data-retention, not reality retention.
No its not lol
Even uncompressed audio cuts out frequencies. With digital audio capture it is impossible to capture everything. There will always be a floor and a ceiling. In the case of flac it’s typically 20-24hkz.
Audiophiles have moved onto “high res lossless” because regular lossless wasn’t good enough for them.
The “high res lossless” you’re referring to, is still FLAC. FLAC has no downside. Whatever PCM audio you want, it can represent perfectly, while using less storage.
FLAC doesn’t “limit” or “cut out” anything unless you or the software you’re using is reducing the bit depth or samplerate of the source PCM waveform.
Which is something you might want to do, since it will reduce file size significantly to not use a higher samplerate than necessary. But FLAC itself doesn’t do or require that.
On new formats, you might be thinking of MQA, which supposedly encodes the contents of a higher samplerate PCM waveform into a lower samplerate file, but it has been proven to be largely snake oil, and lossy as hell in terms of bit integrity.
FLAC is totally lossless. You can rip a CD to 44kHz WAV, compress it to FLAC, and then decompress it and get a bit-perfect copy of the original WAV.
Lossless converting a CD to FLAC. But that CD was recorded at 44hkz sampling rate, which gives you a maximum frequency of 22khz. You have lost audio above 22khz. Children can theoretically hear frequencies higher than this, but typically adults cannot.
https://en.wikipedia.org/wiki/Nyquist–Shannon_sampling_theorem#%3A~%3Atext=If+the+essential%2CNyquist+interval.
do you know if anyone has tried this with a flac and an mp3 file? Theoretically all that should be left is the “loss” right? what would that sound like?
eta: I’d try myself but I’m not an audiophile and wouldn’t even know where to get a flac file (legally) and doubt my crappy $20 in ears would be capable of playing it back if I did
I did it once a few years ago (IIRC with a copy of Falling Down by Muse, not for any particular reason), and compared V0 320 with FLAC.
After amplifying the tiny, tiny wiggle of a sound that was left, I was left with very slight thin echoes, mostly well above 10k.
The sort of stuff you really wouldn’t worry about, unless you 100% wanted bit-perfect reproduction, or wanted to justify a £2000 pair of headphones.
Funnily enough, that was the point I stopped bothering to load FLAC onto my DAC, and just mirror everything into V0 for portable use.
Yeah, I think the difference between a FLAC and v0/320kbps is negligible.
However, the difference between a 128kbps mp3 and a v0/320kbps mp3 is massive and absolutely noticeable (and yes, it becomes more noticeable on higher quality equipment). Anything under 192kbps (or maybe 160), and you start to get noticeable degredation imo.
If anyone wants to claim that one cannot tell the difference between 128kbps and 320kbps, I’d take a blind listening test right now.
The easiest free way I know to get a FLAC file legally is to go to your local library, borrow a CD, and rip it to your home PC direct to FLAC. You’ll have to deal with the fact that your ODD might introduce some noise, but it’ll be the same noise as playing it from that same drive. Then rip the same disc to MP3.
Yes, WAV is in the middle both times, but that’s how you can get a FLAC file to compare legally.
lol, I don’t even own an optical drive anymore. I’m 100% streaming these days. It looks like from other comments there are places to buy FLAC files directly (which I’d hope would be decent quality)
It’s all academic though, I’m not really interested in becoming an audiophile. Streaming quality is fine for my needs.
Fair enough! But at least you know there’s a method in case it comes up. Also, I suggest you get a CD/DVD-RW drive, and BD-RW drive, just on principle - and use your local library for media! Your tax dollars pay for it, so you ought to get that value back!
The noise of the optical disc drive? I, erm, that’s not how digital data works.
More to the point, the easiest way to get a FLAC file would be to record some audio in Audacity (or equivalent) and then output it as FLAC.
Fair, but the recording method comes down to microphone quality; I’m trying to go from a known good recording with something that can/will be lost in the MP3 transition.
The problem with your noise point is, I’ve used ODDs with less-than-impeccable lasers (either laser itself or the housing). I’ve had discs ripped with minor audio corruptions - I’ve always called that ‘noise’ because it’s not the desired signal (and it can create literal random noise in the recording). Maybe there’s a better term for it, but simply put, not all drives are perfect, not all lasers are perfect, and there is a possibility of imperfect copying. It’s just a fact of life. Just like sometimes you might burn a frisbee, there’s times you don’t get a 100% clean rip.
Data corruption is one thing, but calling it “noise” is tremendously misleading because that’s such an issue when digitising from an analogue source. I can’t say I’ve ever experienced it due to the drive, but I have experienced it with scratched CDs. I’ve been using optical drives since the '90s and it’s so rare that bringing it up is really muddying the waters.
With regards to sourcing audio, the emphasis was on “easiest”. Most people haven’t had optical drives in their computers in a long time. Ultimately they’d probably be better off finding something on Wikimedia in PCM as their “known good”. Ripping audio isn’t difficult for you and me but we’re clearly nerdier than most!
Scratched discs are definitely a big problem, but I’ve had some bad drives in my time, where even good discs would get issues. I don’t really have a better shorthand for the issue that’s more descriptive than noise.
And you’re right, I just tend to assume a very high level of nerdiness of anyone on lemmy/kbin/mbin.