Abstract:
A method and an apparatus for determining a stability factor of an adaptive filter is presented. The method includes: determining, according to first input signal that are input to an adaptive filter, a reference input matrix of the first input signal; determining a stability parameter of the first input signal according to the reference input matrix; and determining a stability factor of the adaptive filter according to the stability parameter. According to the method and apparatus for determining a stability factor of an adaptive filter provided in the embodiments of the present application, the stability factor of the adaptive filter can be adaptively obtained according to a stability feature of the first input signal, and the adaptive filter can reach a balance between a convergence speed and steady state error performance.
Abstract:
A method and an apparatus for determining a stability factor of an adaptive filter is presented. The method includes: determining, according to first input signal that are input to an adaptive filter, a reference input matrix of the first input signal; determining a stability parameter of the first input signal according to the reference input matrix; and determining a stability factor of the adaptive filter according to the stability parameter. According to the method and apparatus for determining a stability factor of an adaptive filter provided in the embodiments of the present application, the stability factor of the adaptive filter can be adaptively obtained according to a stability feature of the first input signal, and the adaptive filter can reach a balance between a convergence speed and steady state error performance.
Abstract:
This application discloses a wireless communication method, apparatus, and system, to ensure service quality of terminal communication in a non-standalone (NSA) networking architecture. The wireless communication method includes starting, by a terminal, radio resource control (RRC) connection establishment with a new radio (NR) cell based on an indication of a network device, and starting a timer based on a quantity of RRC connection establishment failures of the NR cell. The timer is set to a first duration. Within the first duration, when the network device indicates to the terminal to report measurement results of the NR cell and another cell, the terminal only reports the measurement result of the other cell, not the measurement result of the NR cell.
Abstract:
An echo cancellation method and apparatus, where the method includes collecting, by a collection microphone, a sound signal, collecting, by a conversation microphone, a near-end speech signal, canceling an echo component in the near-end speech signal according to the sound signal, to generate an echo-canceled speech signal, and outputting the echo-canceled speech signal such that the echo cancellation effect may be improved and conversation quality may be enhanced.
Abstract:
A sound signal processing method includes: receiving direction indication information input by a user and used for indicating a target direction (S110); and adjusting, according to the direction indication information, a beam direction of a sound signal processing array to the target direction (S120). A sound signal processing device includes: a receiving module (810), configured to receive direction indication information input by a user and used for indicating a target direction; and an adjustment module (820), configured to adjust, according to the direction indication information, a beam direction of a sound signal processing array to the target direction. According to the sound signal processing method and device, a beam direction of a sound signal processing array is adjusted according to direction indication information a target direction, so that a sound signal can still be accurately processed in a noisy environment, thereby achieving an enhancement effect for the processed sound signal.
Abstract:
A method for performing a voice control operation on a terminal and an apparatus that relate to the field of audio technologies are provided. The method includes starting an application on the terminal and activating a microphone on the terminal; monitoring a signal status of the activated microphone; and outputting, when the signal status of the microphone transits, a control instruction to change a current operation status of the application. In the present invention, a change of environmental noise picked up by the microphone is used to perform an operation on the terminal application, thereby avoiding interference of the environmental noise in acquiring an audio signal, reducing a key pressing operation of a user, and enhancing user experience.