Abstract: Embodiment of the disclosure relates to a method, apparatus, device and storage medium for determining a noise level. The method includes: determining, for each of a plurality of audio segments, feature values that each corresponds to a respective one of a plurality of predetermined audio features based on spectrum information and energy spectrum information corresponding to the plurality of audio segments in an audio; determining whether each of the plurality of audio segments is a speech segment based on whether feature values satisfy a first feature requirement related to speech; determining whether each of the plurality of audio segments is a noise segment comprising a predetermined noise based on whether feature values satisfy a second feature requirement related to the predetermined noise; and determining a noise level of the audio based on an audio segment other than the speech segment and the noise segment among the plurality of audio segments.

Abstract: A method for volume adjustment, a device and a storage medium are provided. In the method, respective noise levels of a plurality of audio segments of audio are obtained from a first queue, to obtain a plurality of first noise levels, wherein the audio is captured in association with a device, and second noise levels determined based on the plurality of first noise levels are stored into a second queue. In response to the second noise levels stored in the second queue satisfying a predetermined condition, a third noise level of the audio is determined based on the second noise levels stored in the second queue, and based at least on the third noise level of the audio, a playback volume of the device is adjusted to a volume level matching the third noise level.

Abstract: Provided are an audio/video processing method and apparatus, a device, and a storage medium. The method comprises: displaying text data corresponding to an audio/video to be edited, wherein the text data has a mapping relation with an audio/video timestamp of said audio/video; displaying said audio/video according to a time axis track; in response to a preset operation triggered for target text data in the text data, determining an audio/video timestamp corresponding to the target text data as a target audio/video timestamp; and processing, on the basis of the preset operation, an audio/video clip corresponding to the target audio/video timestamp in said audio/video.

Abstract: There are provided a method, apparatus (1100, 1200), device, storage medium, and program. The method includes: determining a music template, the music template comprising a plurality of tracks, each track being divided into at least one time period; obtaining a multimedia segment corresponding to each time period of each track from a database according to the music template, wherein the multimedia segment corresponding to each time period of each track comprises audio information obtained by a user playing a track melody corresponding to the time period of the track, and the database comprises a plurality of multimedia segments played by a plurality of users (S702); joining audio information in multimedia segments corresponding to respective time periods of each track respectively, to obtain a track audio corresponding to each track (S703); and generating target music by combining the track audio corresponding to respective tracks (S704).

Abstract: Embodiments of the present disclosure provide a method and apparatus, an electronic device, and a storage medium for audio processing. The method includes: determining a target impulse response for a first audio signal, and the target impulse response is a stereo impulse response for simulating a sound reflection and attenuation effect of the first audio signal in an acoustic space; obtaining a second audio signal by convolving the first audio signal with the target impulse response; and outputting a third audio signal by performing audio mixing on the first audio signal and the second audio signal. In the solution of the present disclosure, stereo impulse response data that can simulate a reflection and attenuation effect of a sound in a space is synchronously determined when reverberation is performed on an audio signal.

Abstract: The embodiments of the disclosure provide a method, an apparatus, a device and a storage medium for audio processing. The method includes: obtaining trigger information in a target time period, the trigger information indicating a trigger state of an audio input device in the target time period, the target time period being associated with a plurality of audio sampling points; determining a target state of an envelope based on at least the trigger information; determining a first set of audio sampling points corresponding to the target state from the plurality of audio sampling points; and rendering the first set of audio sampling points of the plurality of audio sampling points based on the target state. In this way, embodiments of the disclosure can render a plurality of audio sampling points in batches, thereby improving the efficiency of audio processing.

Abstract: Embodiments of the present disclosure provide an audio processing method, electronic apparatus and computer-readable storage medium. The method includes: determining a decoding start frame identification and a decoding end frame identification in a preset frame sequence, in which the preset frame sequence includes frame information of audio frames in at least one audio resource, the frame information includes a frame identification, the frame identification includes an audio resource identification and a frame index; acquiring segment data to be decoded in an audio resource associated with a corresponding audio resource identification according to the decoding start frame identification and the decoding end frame identification; and decoding the segment data to be decoded to obtain corresponding target decoded data.

Abstract: Provided are an audio/video processing method and apparatus, a device, and a storage medium. The method comprises: displaying text data corresponding to an audio/video to be edited, wherein the text data has a mapping relation with an audio/video timestamp of said audio/video; displaying said audio/video according to a time axis track; in response to a preset operation triggered for target text data in the text data, determining an audio/video timestamp corresponding to the target text data as a target audio/video timestamp; and processing, on the basis of the preset operation, an audio/video clip corresponding to the target audio/video timestamp in said audio/video.

Abstract: The present invention relates to use of a pyridine urea compound having snail-killing activities, and relates to a method for preparing the pyridine urea compound. In particular, the present invention discloses a compound having the structure as shown in formula (I), an optical isomer thereof, a racemate thereof, a solvate thereof, or a pharmaceutically acceptable salt thereof, the compound having a significant killing effect on various snails as parasitic disease vectors and low toxicity to non-target organism fish.