Objectives

• Able to apply the transmission – receiver method on a circuit via UHF (ultra high frequency) or infrared link.
• Use infrared device signal transmission and receiver to transmit and receive the signal up to 5 meter with the cordless audio headphones.
• Use the audio frequency response system to applied small amount of treble boost from about 1kHz (rising the maximum of 7dB at 8kHz) to improve the intelligibility on speech