Incompatibility with DeReverb Room by anvuew

Author: moroanimusiclatinoCreated Aug 5, 2026Updated Sep 13, 2026

I need help. I'm using the beta version that supports Roformer and I want to use this specific model (I got it from the official anvuew's profile on HuggingFace), but I'm getting the following error: I tried processing mono audio with this model, which is trained for mono audio, but UVR5 insists there are channel issues. Here's the full log:

Last Error Received:

Process: MDX-Net

If this error persists, please contact the developers with the error details.

Raw Error Details:

AssertionError: "stereo needs to be set to True if passing in audio signal that is stereo (channel dimension of 2). also need to be False if mono (channel dimension of 1)" Traceback Error: " File "UVR.py", line 9217, in process_start File "separate.py", line 681, in seperate File "separate.py", line 960, in demix File "torch\nn\modules\module.py", line 1501, in _call_impl File "lib_v5\roformer\bs_roformer.py", line 492, in forward "

Error Time Stamp [2026-08-05 13:21:26]

Full Application Settings:

vr_model: Choose Model aggression_setting: 5 window_size: 512 mdx_segment_size: 32 batch_size: Default crop_size: 256 is_tta: False is_output_image: False is_post_process: False is_high_end_process: False post_process_threshold: 0.2 vr_voc_inst_secondary_model: No Model Selected vr_other_secondary_model: No Model Selected vr_bass_secondary_model: No Model Selected vr_drums_secondary_model: No Model Selected vr_is_secondary_model_activate: False vr_voc_inst_secondary_model_scale: 0.9 vr_other_secondary_model_scale: 0.7 vr_bass_secondary_model_scale: 0.5 vr_drums_secondary_model_scale: 0.5 demucs_model: Choose Model segment: Default overlap: 0.25 overlap_mdx: Default overlap_mdx23: 4 shifts: 2 chunks_demucs: Auto margin_demucs: 44100 is_chunk_demucs: False is_chunk_mdxnet: False is_primary_stem_only_Demucs: False is_secondary_stem_only_Demucs: False is_split_mode: True is_demucs_combine_stems: True is_mdx23_combine_stems: True demucs_voc_inst_secondary_model: No Model Selected demucs_other_secondary_model: No Model Selected demucs_bass_secondary_model: No Model Selected demucs_drums_secondary_model: No Model Selected demucs_is_secondary_model_activate: False demucs_voc_inst_secondary_model_scale: 0.9 demucs_other_secondary_model_scale: 0.7 demucs_bass_secondary_model_scale: 0.5 demucs_drums_secondary_model_scale: 0.5 demucs_pre_proc_model: No Model Selected is_demucs_pre_proc_model_activate: False is_demucs_pre_proc_model_inst_mix: False mdx_net_model: De-reverb Room chunks: Auto margin: 44100 compensate: Auto denoise_option: None is_match_frequency_pitch: True phase_option: Automatic phase_shifts: None is_save_align: False is_match_silence: True is_spec_match: False is_mdx_c_seg_def: True is_use_torch_inference_mode: False is_invert_spec: False is_deverb_vocals: False deverb_vocal_opt: Main Vocals Only voc_split_save_opt: Lead Only is_mixer_mode: False mdx_batch_size: Default mdx_voc_inst_secondary_model: No Model Selected mdx_other_secondary_model: No Model Selected mdx_bass_secondary_model: No Model Selected mdx_drums_secondary_model: No Model Selected mdx_is_secondary_model_activate: False mdx_voc_inst_secondary_model_scale: 0.9 mdx_other_secondary_model_scale: 0.7 mdx_bass_secondary_model_scale: 0.5 mdx_drums_secondary_model_scale: 0.5 is_save_all_outputs_ensemble: True is_append_ensemble_name: False chosen_audio_tool: Manual Ensemble choose_algorithm: Min Spec time_stretch_rate: 2.0 pitch_rate: 2.0 is_time_correction: True is_gpu_conversion: False is_primary_stem_only: False is_secondary_stem_only: False is_testing_audio: False is_auto_update_model_params: True is_add_model_name: False is_accept_any_input: False is_save_to_input_path: False apollo_overlap: 2 apollo_chunk_size: 5 apollo_model: Choose Model is_task_complete: False is_normalization: False is_use_directml: True is_wav_ensemble: False is_create_model_folder: False mp3_bit_set: 320k semitone_shift: 0 save_format: WAV wav_type_set: PCM_16 device_set: Default help_hints_var: True set_vocal_splitter: No Model Selected is_set_vocal_splitter: False is_save_inst_set_vocal_splitter: False model_sample_mode: False model_sample_mode_duration: 30 demucs_stems: All Stems mdx_stems: All Stems Patch Version: UVR_Patch_1_15_25_22_30_BETA

Source: Anjok07/ultimatevocalremovergui