unsynchronized random noise
1Digital electronics — Main articles: Electronics and Electronic circuit Digital electronics represent signals by discrete bands of analog levels, rather than by a continuous range. All levels within a band represent the same signal state. Relatively small changes to… …
2HD Radio — HD Radio, which originally stood for Hybrid Digital , is the trademark for iBiquity s in band on channel (IBOC) digital radio technology used by AM and FM radio stations to transmit audio and data via a digital signal in conjunction with their… …
