# Basic info <!--- Add commit SHA used to reproduce --> - Encoder (float): d9fdb37455cc5b9a41cc3c1229561a8731f475d0 - Decoder: 7fdbf11379cb107569c876f9de77aab796dc5e47 # Bug description The fixed point decoder crashes with an assert: ``` Assertion failed: ((int) x * (int) y < 32768 && (int) x * (int) y >= -32768), function imult1616, file basop_util.c, line 1520. ```   # Ways to reproduce ```bash ./IVAS_cod_flt_ref -mc 7_1_4 -max_band FB 192000 48 experiments/basop-verification/MC-7_1_4/proc_input/am3aa1s01.wav out/mc-7_1_4--am3aa1s01--192000.192 networkSimulator_g192 dly_error_profile_0.dat out/mc-7_1_4--am3aa1s01--192000.192 out/mc-7_1_4--am3aa1s01--192000.netsimout.192 out/mc-7_1_4--am3aa1s01--192000.netsimtrace 1 0 ./IVAS_dec_fx -voip -Tracefile out/mc-7_1_4--am3aa1s01--192000.dectrace.fx 7_1_4 48 out/mc-7_1_4--am3aa1s01--192000.netsimout.192 out/mc-7_1_4--am3aa1s01--192000.jbm.dec.fx.wav ``` The buffer size result for 12 channels overflows the multiplication. This variable probably should be `Word32` and `L_mult()` used instead. Delay profile: [dly_error_profile_0.dat](/uploads/4a175f757b9e6a9b13947fd425d1f8a7/dly_error_profile_0.dat) <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary. -->