Tag: how do analog and digital tv signals differ

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Why does even digital audio deteriorate? Part 2

I am not an audiophile, and I am not the type that is very demanding to listen, which is why I am not aware of so-called pure audio.
So I didn’t know Mr. Kanai at all, but he seems to be famous for that source.

The reason I met Mr. Kanai was because I saw the serialized article “What is the definitive SACD born in the” Kaimaru Room “” from the “Ken Fujimoto Weekly Digital Audio Lab” which I have long subscribed to ? , this article was really interesting.

This is an interview article about the production process of Emi Fujita’s (Le Couple) work “Manzanilla Best Audio”, but it is very easy to understand the difference in mindset between the production side and the actual listener. I think .

Anyway, the content on Mr. Kanai’s HP was scaled content for me.
It’s a good opportunity, so I’d like to change my mind a bit.

Especially around surround sound, you need to study.
I cannot understand it at all because I have not tried surround sound as a real experience.

I am also very interested in SACD, but I am very concerned about buying a PS3 because I do not have a playback environment.

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Why does even digital audio deteriorate?

It is not limited to DTM and DAW, I think if you are a musician you may have noticed the deterioration in sound quality.

For example, change the shield to a higher one or allow it to be bypassed entirely when the effector is not in use.
When it comes to old stories, record without ping-pong as much as possible.

I don’t think the deterioration in sound quality bothers me, but I’m obviously not afraid of losing sound, so I’m careful.
But, it is simply an analog of the story in, don’t use your mind as I don’t say anything about digital audio.

Why?
That’s because I couldn’t fully understand the concept of “digital data degradation”.

When it comes to guitars, it’s easy to see that upgrading the various effectors and protectors between the guitar and the amp, and the protector that goes to the amp’s audio I / O “improves the sound.”
It is an analog signal.
But I couldn’t quite understand the history of changing the Firewire cable connecting the audio I / O to the PC to improve the sound quality.

It does not matter if it is via the Internet or copying from a medium, but when you think about it normally and transfer data digitally, there is no deterioration.
To be precise, transmission loss always occurs, so the signal itself deteriorates, but when the data of the transfer result is considered as the center, the picture is that the transfer retries increase rather than deteriorate, and on the user side. From the point of view, I don’t think it can be said that the transfer time has increased and the data has deteriorated.

If the transmission loss is very large, the file itself may be corrupted, and in the case of data to be processed in real time, the transfer may not be on time and the processing may result in an error, but it is transfers normally. In that case, I thought it was digital data that the data should be the same before and after the transfer, no matter how much transmission loss occurred or how long it would take …
(This is just my own expectation. I don’t know if it fits).

Also, in terms of sound, there are two patterns: deterioration of the analog sound quality, which is literally “deterioration” that produces sloppy sound like “thinning sound”, and noise mixed in the transmission path. I think that in the case of a digital data error, it is not a level that says “the sound is bad”, but it becomes a choppy sound or a loud sound that can only be called noise.

Even in digital, analog affects sound quality

 

Audio network audio for PC

Whether you listen to music or watch videos on television, it is becoming more and more common to use digital data as a sound source.

With the improvement of the quality of communications, such as optical lines on the Internet, the amount of information is increasing and the enjoyment and choices for users are increasing.

However, whether you listen to music on a smartphone or PC audio, the sound quality of subscriptions differs by high resolution, but analog is really important to fully bring out the high quality of the source of sound.

Analog opinions that are not anti-digital

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Analog opinions that are not anti-digital
At first glance, the difference in the amount of digital information appears to be the deciding factor.
CD player whose analog circuit influences the sound.

At first glance, the difference in the amount of digital information appears to be the deciding factor.

Digital sound sources (software) that started with CDs are now changing for downloads and stories.

Music data has an Internet environment and digital devices, such as PCs, network players, and transmitters, receive digital signals and a DA converter converts them to analog.

The analog signal converted from digital is amplified by the amplifier and sound is output from the speaker.

Recently, it seems that the digital sound source in the smartphone is popular for products that play music directly from the speaker via Wi-Fi or Bluetooth, but in fact, the Bluetooth speaker has a DA converter that converts digital to analog. ..