Methods and apparatus for adaptive PCM level estimation and...

Methods and apparatus for implementing shell mapping techniques

Methods and apparatus for optimizing shell mapping...

Methods and circuits for generating a preemphasis waveform

Methods and systems for adaptive communication

Miniaturized pulse code modulation encoder

Modulation apparatus/method, demodulation apparatus/method...

Modulation device and method and distribution medium

Multi channel ADPCM compression and expansion device

Multi-bit delta-sigma analog-to-digital converter with error...

Multi-tiered quantization of channel state information in...

Multibit sigma-delta converters employing dynamic element...

Multilevel data encoding and modulation technique

Multiple description coding communication system

Multiple description coding communication system

Multiple differential transmission system including signal...

Narrow-band filter including sigma-delta modulator...

Noise removing device and data communication apparatus using the

Noise shaper capable of generating a predetermined output patter

One bit digital quadrature vector modulator