# Basic info <!--- Add commit SHA used to reproduce--> - Float reference: - Encoder (float): deee9b97b2972cd47e7fc4bb2361ae0014158903 - Decoder (float): deee9b97b2972cd47e7fc4bb2361ae0014158903 - Fixed point: - Encoder (fixed): e9c74df808113da621faa39ad3d089ea25ac758e - Decoder (fixed): n/a # Bug description Decoding the SBA LTV bitstream at 64 kbit/s (and also 48 kbit/s) with binaural rendering gives relatively large differences on the noisy signal portion (0:58 - 1:08). **Diff BASOP - Float:**  Looking at the difference signal with EXT output, the diff is much smaller than with binaural rendering. Also, the diff signal get significantly smaller starting at 96 kbit/s, where the Fastconv binaural renderer is used. In my eyes this indicates a precision problem with the parametric binaural renderer. Bitstream (zipped): [ltv48_HOA3_64kbps.192.zip](/uploads/47be21011e02b0604b00d42345579366/ltv48_HOA3_64kbps.192.zip) # Ways to reproduce Box folder: ...\\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\\issues\\issue-xxxx <!--Commandline or script--> ```bash IVAS_dec binaural 48 ltv48_HOA3_64kbps.192 out.wav ``` <!--- 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.-->