kitAudioContext)();

                    // 连接麦克风流
                    this.source = this.audioContext.createMediaStreamSource(this.stream);

                    // 处理节点，bufferSize 可以是 256、512、1024、2048、4096、8192、16384
                    const bufferSize = 4096;
                    this.processor = this.audioContext.createScriptProcessor(bufferSize, 1, 1);

                    this.processor.onaudioprocess = (e) => {
                        if (!this.isRecording) ret