Pitch of Fused Tones: 440Hz & 448Hz | Frequency of Beats: 8Hz

  • Thread starter fattydq
  • Start date
  • Tags
    Pitch
In summary, when pure tones with frequencies 440Hz and 448Hz are sounded together, we will hear audible beats at the difference frequency of 8Hz. These beats are perceived as pulsations in the loudness of the tone with the average frequency of 444Hz. The pitch of the fused tone is determined by the lower frequency of the two tones.
  • #1
fattydq
79
0
Pure tones with frequencies 440Hz and 448Hz are sounded together. What is heard? (Describe pitch of the fused tone and frequency of beats.) I'm very confused with the way my book explains this, it says that we will hear audible beats at the difference frequency, which in this case would be 8 Hz. But THEN it says "These beats are heard as pulsation in the loudness of the tone having the average frequency" which would make the answer 444Hz. I don't understand, is the answer to the frequency of beats part 8 or 444? Also I don't know how to find pitch of fused tones? Don't you just hear the lower pitch?
 
Last edited:
Physics news on Phys.org
  • #2
You may add
[tex]
sin(w_1t)+sin(w_2t)
[/tex]
and see the result.
 

Related to Pitch of Fused Tones: 440Hz & 448Hz | Frequency of Beats: 8Hz

What is the difference between the pitch of fused tones at 440Hz and 448Hz?

The pitch of fused tones refers to the perceived frequency or musical note of a sound. At 440Hz, the pitch is A4 and at 448Hz, the pitch is slightly higher at A#4. This means that the two tones have a slightly different frequency and will sound slightly different to the human ear.

Why are these specific frequencies commonly used in music?

The pitch of fused tones at 440Hz and 448Hz are part of the standard tuning for musical instruments. This is known as the concert pitch or international standard pitch. It was first adopted in 1939 and has become the most commonly used tuning standard in Western music.

What is the relationship between the pitch of fused tones and the frequency of beats?

The frequency of beats, also known as the beat frequency, is the difference in frequency between two tones. In the case of 440Hz and 448Hz, the beat frequency would be 8Hz. This means that 8 beats per second can be heard when playing the two tones together.

How does the pitch of fused tones and the frequency of beats affect the perception of music?

The pitch and frequency of beats play a crucial role in the perception and interpretation of music. These elements can create tension, harmony, and resonance, ultimately influencing the emotional response of the listener. They also help in creating a sense of rhythm and melody in music.

Can the pitch of fused tones and the frequency of beats be changed to create different effects in music?

Yes, musicians can manipulate the pitch and frequency of beats to create various effects in music. For example, a higher beat frequency can create a faster tempo or a lower beat frequency can create a slower tempo. Additionally, changing the pitch of fused tones can create a different mood or atmosphere in a piece of music.

Similar threads

Replies
5
Views
1K
  • Introductory Physics Homework Help
Replies
4
Views
1K
  • Introductory Physics Homework Help
Replies
3
Views
241
Replies
23
Views
6K
Replies
1
Views
1K
  • Introductory Physics Homework Help
Replies
3
Views
1K
Replies
7
Views
2K
  • Introductory Physics Homework Help
Replies
20
Views
2K
Replies
10
Views
2K
  • Other Physics Topics
Replies
14
Views
2K
Back
Top