To meet the high-quality voice demands of third generation wireless systems, designers must move away from the narrowband coding techniques used today toward wideband coding schemes. In these wideband ...

The transmission of speech from one point to another over GSM mobile phone network is something that most of us take for granted. The complexity is usually perceived to be associated with the network ...

Also called a "voice codec" or "vocoder," it is a hardware circuit that converts the spoken word into digital code and vice versa. It comprises the A/D and D/A conversion and compression technique ...

In a bid to put an end to the all-too-familiar choppy, robotic voice calls that come with low bandwidth, Google is open-sourcing Lyra, a new audio codec that taps machine learning to produce ...