Showing posts with label frequency. Show all posts
Showing posts with label frequency. Show all posts

Understanding And How to Synthesize Sound

Understanding And How to Synthesize Sound

Understanding and how to synthesize sound

The inscription has past, we have come to the discussion of frequency noise that may stimulate the opening of the stomata on the leaves. This time we will try to discuss how the technique can we do to get a certain sound with frequency. In the last article about 5000 HZ known that frequency is the frequency that is appropriate to be used to stimulate the opening of the stomata on the leaves. And we already know that the frequency of the sound was very close to the frequency of the sound of birds chirping in the morning. Here we will discuss methods so that we can get the voice, which can later be used for the purposes of our gardens.

1. Sound Recording

To get the sound frequency we can record with digital and analog recording devices. Record the sound of birds around us. But it is very hard and the results will not be good because surely there is interference from other sounds. The sound of the wind, the sound of wild animals, the human voice and the engine might fit well into our recordings.

2. Download from internet

The second way is that we can get the sound of birds, or other animals that have a frequency of 500 Hz mendekatai from the internet. Many audio that can be downloaded from various websites on the internet. This way you can also do, but the results are no guarantee for crystal clear results without the notion.

3. Perform synthesis of sounds

The way this one is the way that I think is best to get maximum results. Although the results are not exactly the same as the original sound, but to produce clear sound. This method may not be done by ordinary people, people who do not know the specifics of how to synthesize sound.
The third thing is what will be discussed further. Basically the sound synthesis is a way to make artificial sound manner prominent frequency analysis on the original sound and its constituent frequencies. Once known data, then we create a pure sound of these frequencies and mixing with software from the computer. So expect to get the voice of the results clearly closer to the original sound.

For the technique, gradually we'll learn more about in the next post. Thank you for your concern for him and see you again.

DIRECTIVITY PATTREN OF A CONDENSER MICROPHONE


DIRECTIVITY PATTREN OF A CONDENSER MICROPHONE



By :
Nur Baehaqi
04306141014




ABSTRACT



This study aims to determine the pattern directivity of a condenser microphone at frequency of 500 Hz, 5000 Hz, 10000Hz and 20000 Hz. Frequency of each chosen to represent the low frequency, middle frequency and high frequency of a sound source is captured by a condenser microphone.
Data retrieval is done by using a loudspeaker which is used as a source of sound and microphone as a sensor that captures sound from the loudspeaker. Sound samples taken at a distance of 1 m from the center of the loudspeaker by rotating microphone in place, stative microphone has been equipped with a protractor. The distance between sample point is 10˚, so there are 36 sample points. This research was conducted in a room that was equipped with a silencer.
Polar pattern analysis using microsoft excel software shows a circular pattern at a frequency of 500 Hz and a more directive pattern (focused on several directions) along with the increasing frequency of the sound source. This means that at low frequencies, the microphone has a response similar reception in all directions and at high frequency microphone has a catchment response in a particular direction.


frequency, polar pattern and condenser microphone