| 摘要 |
This device for quantization of an analogue signal, called the input signal, includes an electronic circuit, called the sign analysis circuit (110), designed to supply a first bit of the output signal, called the sign signal (Bs) which takes a first value when the input signal (Ve) is positive and a second value when the input signal (Ve) is negative. It includes in addition an electronic circuit, called the envelope analysis circuit (112), designed to supply a second bit of the output signal called the envelope variation bit (Bvar env), which takes a first value, called high value, when an envelope signal (Venv) of the input signal is increasing, and a second value, called low value, when the envelope signal (Venv) is decreasing. |
