# How does the sine wave represent sound?

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Date created: Mon, Jun 21, 2021 6:46 AM
Date updated: Wed, Jul 27, 2022 7:49 PM

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Video answer: Matlab-generation of continuous sine and cosine waves using matlab

## Top best answers to the question «How does the sine wave represent sound»

The frequency of a sine wave is how often the wave repeats itself… People will hear the frequency of a sine wave as pitch, i.e., a high-frequency (often repeating) wave will sound like a high note, while a lower-frequency (not as often repeating) wave will sound like a lower note.

FAQ

Those who are looking for an answer to the question «How does the sine wave represent sound?» often ask the following questions:

### 👋 Is a monotone sound sine wave?

#### What does a sine wave sound like?

• DEFINITION: A sine wave sounds like it looks: smooth and clean. It is sound at its most basic. The sound of a sine wave is only made up of one thing, something known as the fundamental. No partials to be seen! Try whistling one note or imagine the sound of a tuning fork.

### 👋 Is the graph of a sound wave a simple sine wave?

• For a single-frequency sound wave, the rate at which it does this is regular and continuous, taking the shape of a sine wave. Thus, the graph of a sound wave is a simple sine wave only if the sound has only one frequency component in it – that is, just one pitch. Most sounds are composed of multiple frequency components – multiple pitches.

### 👋 Is the representation of sound by a sine wave?

• The representation of sound by a sine wave is merely an attempt to illustrate the sinusoidal nature of the pressure-time fluctuations. Do not conclude that sound is a transverse wave that has crests and troughs. Sound waves traveling through air are indeed longitudinal waves with compressions and rarefactions.

### 👋 What does the highest point of a sine wave represent?

• The highest points of the sine wave represent maximum compression and the lowest points represent maximum rarefaction. Remember that when you look at a graph of a sound wave, it doesn’t represent how the medium is moving in space, but how the particles of the medium are spread out in space.

### 👋 What does the p wave in ecg represent?

• Atrial and ventricular depolarization and repolarization are represented on the ECG as a series of waves: the P wave followed by the QRS complex and the T wave. The first deflection is the P wave associated with right and left atrial depolarization. Wave of atrial repolarization is invisible because of low amplitude.

### 👋 What does the p wave of the ekg represent?

• The P wave represents the normal atrium (upper heart chambers) depolarization; the QRS complex (one single heart beat) corresponds to the depolarization of the right and left ventricles (lower heart chambers); the T wave represents the re-polarization (or recovery) of the ventricles.

### 👋 What does the p wave of the heart represent?

• The P wave represents the electrical depolarization of the atria.   In a healthy person, this originates at the sinoatrial node (SA node) and disperses into both left and right atria.

### 👋 What does the p wave represent in the heart?

The sinoatrial node (SA) is the pacemaker of the heart and produces the P wave. The QRS wave is produced by the atrioventricular node (AV). The P wave in an ECG complex indicates atrial depolarization. The QRS is responsible for ventricular depolarization and the T wave is ventricular repolarization.

### 👋 What does the t wave of the ecg represent?

• The T wave of the ECG represents ventricular repolarization and relaxation of the ventricular muscles (ventricular diastole). Pressures on the left side of the heart are normally higher than pressures on the corresponding right side. Pressure range in the left atrium is 2 to 8 mm Hg, and in the right atrium is 0 to 5 mm Hg.

We've handpicked 6 related questions for you, similar to «How does the sine wave represent sound?» so you can surely find the answer!

What does the t wave represent in electrocardiography?
• In electrocardiography, the T waverepresents the repolarization of the ventricles. Repolarization of the ventricle happensin the opposite direction of depolarization and is negative current, signifying the relaxation of the cardiac muscle of the ventricles.
What is a sine wave in sound?
• Sine Wave DEFINITION: A sine wave sounds like it looks: smooth and clean. It is sound at its most basic. The sound of a sine wave is only made up of one thing, something known as the fundamental.
What is a sine wave in the context of sound?
• Sine waves are useful in audio recording because of the way an electrical sine wave signal relates to (is analogous to) the way sound moves in air, as seen in Fig. 2 . Understanding the sine wave is a good gateway to understanding the factors involved in analogue recording.
What is a sine wave sound?
• DEFINITION: A sine wave sounds like it looks: smooth and clean. It is sound at its most basic. The sound of a sine wave is only made up of one thing, something known as the fundamental. No partials to be seen!
When a sine wave is used to represent?

#### What do you need to know about sine waves?

• The goal is to move sine from some mathematical trivia ("part of a circle") to its own shape: Sine is a smooth, swaying motion between min (-1) and max (1). Sine happens to appear in circles and triangles (and springs, pendulums, vibrations, sound...). Pi is the time from neutral to neutral in sin(x).

### Video answer: You can actually hear sounds way beyond 20khz?! how is this possible?!

Why is sound a sine wave?

As described above, the air pressure rises and falls. For a single-frequency sound wave, the rate at which it does this is regular and continuous, taking the shape of a sine wave. Thus, the graph of a sound wave is a simple sine wave only if the sound has only one frequency component in it – that is, just one pitch.