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How to have a telephone ring at normal or high frequency

by mildredoralie＠gmail.com

The most difficult home experimenter would be how to get a normal or high frequency telephone ring (usually above 50/60 Hz). Sometimes you need to have the information about the phone call ringing in your ears. You can buy a hand-held device called a portable https://sonneriefrance.com/sonnerie-gratuite-samsung sound recorder (FRR) for this. These devices have a microphone attached to a handheld device which has a speaker attached to it. These sound recorders are quite small and portable and some of them come with headphone jacks so that you can listen to the recorded voice at your particular direction. Let's say you have placed all of the free portable ringtone sound recorder components (recorder, battery, headphone jacks) near your ear. Now you can start recording by pressing the button on the Earphone jack. After a few seconds of recording, you can remove the batteries. You can now connect the speakerphone to your amplifier and you will hear your ringtone. You need to repeat this procedure until you hear a clear sound.

1 year, 2 months

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Monero-hardware May 2021