how sound is produced and The Definition of Sound

how sound is
produced
The Definition of Sound
SOUND: it is osteoporosis
(vibration) in air layers in a way
that human ear could detect.
The human ear recognizes
sounds if the vibrations of
nearly (20) to (20,000) Hz. in a

Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound
second.
How sound is produced in nature
Sounds are produced in nature in different ways, such as:
The collision of two objects.
The modality of sounds in nature
B. Spacing two objects having strong correlation.
How sound is produced in nature
Sounds are produced in nature in different ways, such as:
C. Vibration of objects
How sound is produced in nature
Sounds are produced in nature in different ways, such as:
.D. Friction of a rough object with another
How sound is produced in nature
Sounds are produced in nature in different ways, such as:

The definition of a letter
and
How letters
pronunciation is
produced in human
speech system
Definition of a letter
A letter (character): is a sound (its pronunciation ) relies on
either a specific or approximate articulation point.
How letter pronunciation is produced in the human
speech system

Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound
The Sakin  letter
(consonant): is produced
through a collision between
the two speech organs.
For example the Sakin Meem
sound (مْ) is produced through
the collision of the lips.
The Mutahark letter (vowel): is
produced by the separation between
the two organs of speech according to
the articulation point of its Sign(Harakah): مَ مُ مِ
For example, Maftooh Meem (مَ)is
produced by separating lips ( with
the mouth is opened wide).
How letter pronunciation is produced in the human
speech system

Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound
3-The Madd (prolongation) and leen( soft) letters are
produced by the vibration of the vocal cords in the larynx
accompanied by: the openness of the mouth in Alef sound (أ)
(= /a/ sound), and the tongue is in its original place.
The Vocal Cords
How letter pronunciation is produced in the human
speech system

Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound

Madd Alef Letter
3-The Madd (prolongation) and leen( soft) letters are produced
by the vibration of the vocal cords in the larynx and
accompanied by rounding of the lips in /w/ sound (و) with rising
of the deepest part of the tongue.
Lips when pronouncing
the letter و
The Vocal
Cords

Al-Azhar Quran Teaching | how sound is produced and The Definition of Sound

How letter pronunciation is produced in the human
speech system
Madd Waaw Letter (و)
3-The Madd (prolongation) and leen( soft) letters are produced
by the vibration of the vocal cords in the larynx accompanied by
lowering of the lower jaw and rising of the middle of the tongue
in /Y/ sound (ي).=
How letter pronunciation is produced in
human speech system
The Vocal Cords
Madd Yaa’ letter(ي)

 

 

 

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