digital audio | KARAGYOZOV.COM

Lecture1 – Sound, Characteristics of sound

April 20th, 2023 | Add a Comment

So, the important points: What is necessary to have a sound, respectively, the feeling for such phenomenon? 1. vibrating unit; 2. Environment in which these vibrations spread; 3. Someone perceiving the vibrations. Definition for sound: Sound – it’s the feeling, caused by the vibration of a flexible body in versatile medium. Next, the characteristics of sound: The main characteristics are four. 1.The first characteristic is the frequency of vibrations. This is the number of vibrations per second. It is measured in Herz (Hz). the range between … Read entire article »

Filed under: digital audio, ESPOL, Sound theory

Lecture 3 part 2 – Digital representation of the sound

April 14th, 2023 | Add a Comment

In the 80’s a significant step in the improvement of the recording and reproducing of sound was made. The digital technology was born. The principle of the digital sound representation can be different, but the most common is the PCM (Pulse Code Modulation). In it the sound wave, which is continuous, is divided to frames, or, in the digital audio world, SAMPLES. This process is called quantisation. The number of samples per second can be different, but usually it … Read entire article »

Filed under: digital audio, ESPOL

Лекция 4 – Цифрови stand-alone звукозаписни системи

April 12th, 2023 | Add a Comment

… Read entire article »

Filed under: digital audio, Sound theory

Lecture 5 – Equalization – overview

April 10th, 2023 | Add a Comment

Here is the presentation from the lesson about equalization … Read entire article »

Filed under: digital audio, ESPOL, Uncategorized

Quantization of the sound. Dither

July 7th, 2016 | 1 Comment

ATTENTION!! As a part from the book “Digital Sound – Myths and Solutions” this text is protected with a copyright. Any way of using the text or part of it should be discussed with the author!!! HOW WE ACHIEVE THE DISCRETIZATION OF THE SOUND? Through a process called quantization. Тhe analog wave, which is continuous in the time, in the quantization (or discretization) process is converted into discrete pulses counted and measured by level over a period of time. These … Read entire article »