With 30632c9d063f775f84347f852ddca952ba20f5e0, when decoding at 32 kbps, there is an energy drop when switching from HQ-core (core==3) to ACELP (core==0). This can be seen in the image below for right channel:  This can be replicated using the following bitstream, the switching happens at around 18.5 sec: [bit](/uploads/a6dc48b2eac0db6f477027d3e0bcfc45/stvST32c_-stereo_32000_32.bit) IVAS_dec STEREO 32 bit syn