for (let i = 0; i < this.frameCount; i++) {
            const srcStart = 4 * i;
            const dstStart = 10 + 6 * i;
            Packet.extractSeptett(this.frameData, srcStart, srcStart + 4, buffer, dstStart);
            Packet.calcAndSetChecksum(this.minorVersion, buffer, dstStart, dstStart + 5);