Adaptive Delta Modulation
Adaptive Delta Modulation (ADM) is a signal processing technique used for analog-to-digital conversion, particularly in speech and audio compression. It builds on basic delta modulation by dynamically adjusting the step size based on the input signal's characteristics, allowing for more efficient encoding with reduced quantization error and slope overload. This method is commonly applied in telecommunications, voice coding, and low-bit-rate audio applications.
Developers should learn ADM when working on projects involving speech coding, audio compression, or telecommunications systems where bandwidth efficiency is critical, such as in VoIP, mobile communications, or digital voice recorders. It is especially useful in scenarios requiring real-time processing with limited data rates, as it provides a balance between simplicity and performance compared to more complex codecs like PCM or ADPCM.