I had written many articles about Swiftlet sounds and its functions. (for references you could check my previous articles). It is sad to see many Swiftlet farmers still unable to grasp the idea, the meaning, the objective and the purpose of a good Swiftlet sound.
The perception of loudness of Swiftlet sounds hasn't changed much ever since it started way back at the beginning of Swiftlet farming history.
Again and again, people still couldn't understand the essence of Swiftlet sound other than... the louder it is the better it would attract birds. That's why high watt tweeters and those that could produce very loud sound are in demand.
If loudness is the key to success in Swiftlet farming then whoever wants to be successful in Swiftlet farming could just go and blast their Swiftlet sounds and overnight there will be thousand of birds flying into the farm to build nests.
Isn't that simple. No technology involvement, no skill required, no scientific research data to tabulate, no knowledge is needed .... just go and buy some very loud tweeters with very high watt ....those that have coils and metal case on it. Yes, the expensive ones. And you would be laughing to the bank.
Sounds very good to hear and soothing to your ears. Unfortunately, in reality, those who did that often failed miserably.
Common sense would tell you that we are looking at quality, not quantity. We are not in the competition to see who could command the loudest sound.
There are many important factors of the Sound System that would affect the performance of the Swiftlet farm. The 2 major ones that I would like to discuss are Swiftlet sound and the Equipment ( Amplifier and tweeters).
I would like to emphasize again, it is not all about the loudness of a sound. It is about what sounds at which frequencies it is transferring. It is all about how well a Swiftlet sound has been written. In other words, it is about how well it has been composed. What and which sounds have been incorporated into that Swiftlets song as the whole. (mating sound, fighting sound, territory defensive sound and hundred of the different type.).
There are many criteria of a good Swiftlet sound and the list could go on. If you could master all these then I would say you could confidently claim that phrase " Laughing to the Bank".
Here is a brief information on sound frequency. The sound is transmitted through waves of frequencies. "No frequency means no sound". When the sound waves hit a level which measured by kHz it will transmit into sound. If that level falls into the hearing capability of birds then birds would be able to hear it.
1 kHz is within the range of human hearing. If a signal at this frequency is input to a headset or loudspeaker, the resulting tone has a pitch that falls into the so-called "audio mid-range." An EM signal at a frequency of 1 kHz has a wavelength of 300 kilometers or about 190 miles.
Haha...if I go into that technical part most of you will fall asleep. Furthermore, how many would want to learn about all this other than just want to own a good Swiftlet farm and sell the nests
Having said that, have you got the right Amplifiers and tweeters to transmit the good sound we are talking about? I bet most of you don't have.
The Amplifiers and tweeters must be compatible with the Swiftlet sounds that had been recorded. If this is accomplished the Swiftlet farm would attract a large number of birds to stay and build nests in a shorter period. If the Amplifier and Tweeters are not compatible with Swiftlet sounds then the chirping sounds, tunes and tones couldn't be transmitted well thus not all chirping sounds could be heard.
This is because the said Tweeters and Amplifiers are not tuned for this specific purposes. Often all are tuned for vocal, acoustic, instrumental,etc.. If frequencies tune of the Amplifiers and Tweeters are at the range of the Swiftlets chirping sounds then more chirping sounds could be transmitted through the Tweeters thus more chirping sounds could be heard clearly.
Some may argue that they are fine with the current Amplifier and Tweeters in the market as it could also attract birds. Yes, I agree they do attract Birds too, but at what pace? At a slower pace. Isn't investment is all about time? Says to make Rm1000.00 in 1 day is better or to make Rm1000.00 in 1 year? I guess you already have the answer.
So it is not about how loud the Amplifier and Tweeters could produce sound. It is how well it could transmit the frequencies required to churn out all those important sounds from the Swiftlet sound.
(I am sure most of you have heard that those very old successful Swiftlet farms often lowered the volume of their Swiftlet sounds and some even had them switched off. If loudness is the key factor then why would they have it switched off?)
Once you understand this concept it would help you in choosing the best Sound System for your Swiftlet farm.
Good Swiftlet Farming All!
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