The technology described in this document can be embodied in a computer-implemented method that includes receiving, at a first acoustic device, a representation of an audio signal, and amplifying the representation of the audio signal by a first gain factor to generate an amplified input signal. The method also includes processing the amplified input signal by an audio codec that includes one or more processors to generate a processed signal that represents a portion of the audio signal to be output by a second acoustic device. The processed signal includes noise originating at the audio codec. The method further includes transmitting the processed signal to the second acoustic device.

A method of encoding data includes determining a magnitude of change between a first value associated with first data and a second value associated with second data based on a comparison of the first value and the second value. The first value is encoded into a first set of bits having a first number of bits. The method also includes encoding the magnitude of change into a second set of bits utilizing a sign-interspersed two's complement encoding scheme. The second set of bits has a second number of bits that is less than the first number of bits.

The present disclosure relates to the technical field of signal detection, and specifically, provides a signal detection method, a signal processing method, and a signal processing model. The signal detection method includes: preprocessing a signal, namely processing a signal point in a signal segment, to obtain a processed value of the signal point; and detecting whether the processed value exceeds a specified overflow threshold range, to select a different reprocessing method based on a detection result of the processed value. Especially in a detection process before signal reprocessing, the signal can be processed in a targeted manner based on the detection result of the processed value, thereby effectively improving a processing effect of the signal.