import { AudioFrame, AudioChunkInfo } from '../interface';
/**
 * responsibility
 * - 负责对音频抽帧的采样(单次480采样) 合并成一帧音频(1024个采样)
 */
export default class AudioFrameQueue {
    _queue: Array<AudioChunkInfo>;
    _sampleCount: number;
    compose(chunk: AudioChunkInfo): AudioFrame | undefined;
    _doCompose(): AudioFrame;
}