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Basop Enc audible differences and distortion @16kbps

Basic info

  • Float reference:
  • Fixed point:
    • Encoder (fixed): cd453935
    • Decoder (fixed):

Bug description

Audible distortion (2-4s, 6-7s) and spectrogram differences above 6kHz (3-4s). Input Multichannel 7.1+4, output Mono, @16kbit/s SWB. Note that input was scaled -11 dB from the original selection test item.

First track float referece, second fx-float.

image.png

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1230

#FX enc, FL dec
./ivas-float-reference/IVAS_cod -q  -mc 7_1_4 -max_band swb  16400 48 bm3aa1s04.wav /float/test_0629.bs
./ivas-float-reference/IVAS_dec -q MONO 48 /basop/test_0629.bs 0629_bm3aa1s04.wav_16k4_48-48___MONO.wav

#FL enc, FL dec
./ivas-basop/IVAS_cod -q -mc 7_1_4 -max_band swb 16400 48 bm3aa1s04.wav /basop/test_0629.bs
./ivas-float-reference/IVAS_dec -q MONO 48 /basop/test_0629.bs 0629_bm3aa1s04.wav_16k4_48-48___MONO.wav
Edited by lintervo