Acoustics - why need for 96khz, 192khz audio?

Precious Larkin asked a question: Acoustics - why need for 96khz, 192khz audio?
Asked By: Precious Larkin
Date created: Mon, Apr 12, 2021 9:45 PM

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Those who are looking for an answer to the question «Acoustics - why need for 96khz, 192khz audio?» often ask the following questions:

🎰 Pcm audio which is better 96khz or 192khz?

192K and 96K will in many cases sound different when doing A/B comparisons. However, 192K will not always sound better. Depending on the particular DAC and its design, 192K can in some cases sound worse. Like Thisbenjamin said, check out Dan Lavry's posts on the issue.

🎰 What is meaning of 192khz 24-bit 192khz audio?

your take on 192khz/24bit DACs, is the same as mine AND it was defintely part of my purchase criteria. I wanted them, even if I couldn't immediately use them I wanted 192khz so that I could be somewhat future-proof. This was also my thinking for 7.1 pre and speaker outputs, even though nothing is encoded in such formats yet.

🎰 Cyber acoustics?

Cyber Acoustics is a manufacturer of speakers, headsets, headphones, microphones, laptop docking stations, speakerphones, and webcams. Cyber Acoustics has been manufacturing electronics for more than 25 years.

10 other answers

For general audio programming or playback, 96kHz or 192hHz is simply useless. Indeed, the Nyquist theorem tells you that a signal can be exactly reproduced given that the sample rate is greater than the highest frequency contained in the original signal.. The "excuse" of the slope of analog filter required after digital to analog conversion is no longer valid with today's converters.

No. There is a reason why the standard for CD quality audio is 16-bit resolution, 44.1KHz sample rate. The human ear can only hear frequencies from as low as 20Hz to as high as 20KHz, and this is the best case scenario. As you age, the range of fr...

The difference between the two rates, mathematically, is a better noise floor, probably far exceeding that of the specs of the DAC you are interested in. The noise floor comes from the number of bits per sample, not the sample rate. 192K and 96K will in many cases sound different when doing A/B comparisons. However, 192K will not always sound ...

The more bits there are, the more accurately the signal can be measured in the first instance, so going 16bit to 24bit can deliver a noticeable leap in quality. Hi-res audio files usually use a sampling frequency of 96kHz or 192kHz at 24bit. You can also have 88.2kHz and 176.4kHz files too.

For plug-in processing you need oversampling for the same reason as in digital recording, for keeping DSP induced problems (e.g. potential aliasing generated by DSP) out of the audible range. And of course for maintaining the recorded sample rate (88.2/96kHz) throughout the project until the audio is finally downsampled for distribution purposes.

There are countless audio interfaces these days that support sample rates up to 192kHZ. This is a resolution that is not as widely used by those in music production as processing strain on CPUs is not worth the hassle to many who deliver mixes at 44.1KHz. Pro Tools HDX though gets around this by taking the load of the computer.

I've been looking into 24-bit/96kHz - 24bit/192kHz sampling rates and came ... most people can't hear much above ~16kHz, so on that basis 44.1kHz is just fine. But what you really need is a DAC with an output filter that cuts off at 16kHz… So technicians can set up their instruments and measure sound until hell freezes over, but they cannot ...

This effect was barely audible but it was there. If I were to record drums, cybals, a piano or acoustic instrument, I'm sure that it would make a slight difference. Not sure about electronic music. Recording at 192 khz will probably tax my computer and hard drive. Perhaps I'll record some items as 192 and others at 96khz - yet to be tried.

So, Hi res audio, what a disturbing argoment, uh? So, I have a question, If i connect a source 96khz to an dac with 20hz-20khz frequency response, to an amp with 10hz-50khz, connecting an headphone 10hz-50khz to that amp - - > Does hi-res frequencies like 10-19hz and 21-50khz stops within the DAC get the signal, even before it arrived to the amp and then headphones?

But be aware: Some ADC chips do offer 192kHz by simply cutting down the oversampling: Typically audio ADC'S already perform e.g. 256 times oversampling at 96kHz in order to support AA-filtering effectively. Using the same AA-filter just with 192kHz x 128 is not better, but slightly worse. If you want to make use of 192kHz: Get a newer, 192kHz ...

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