About the Noise Removal and Room Echo Removal/Room Echo Cancellation + Background Noise Suppression Effect#

This effect applies a denoising and a dereverb effect on the input audio. (For the types of noise that this effect removes, see Types of Background Noise Removed.)

Note

In this guide, the term Room Echo Cancellation + Background Noise Suppression is used interchangeably with Dereverb+Denoiser and Noise Removal and Room Echo Removal (referred to as dereverb_denoiser in the API).

To run the sample application on Windows for this effect, use the following command:

# (One time, initial setup): Download models using models/download_models.ps1
powershell -ExecutionPolicy Bypass -File ./download_models.ps1 --gpu_architecture <gpu> --effects dereverb_denoiser-16k,dereverb_denoiser-48k

# Format: run_effect_demo.bat <architecture> <effect> <input_sample_rate> <output_sample_rate>

# 16k effect
run_effect_demo.bat turing dereverb_denoiser 16k 16k

# 48k effect
run_effect_demo.bat ampere dereverb_denoiser 48k 48k

Note

For more information, see Use the Helper Script to Run the Sample Application.

To run the sample application on Linux for this effect, use the following command:

# (One time, initial setup): Download models using models/download_models.sh
./download_models.sh --gpu <gpu> --effects dereverb_denoiser-16k,dereverb_denoiser-48k

# Refer to Section 3.2 for further details
Format: ./run_effect.sh -g <gpu> -s <sample_rate> -e <dereverb_denoniser>

# 16k effect
./run_effect.sh -g t4 -s 16 -e dereverb_denoiser

# 48k effect
./run_effect.sh -g t4 -s 48 -e dereverb_denoiser

Note

For more information, see Use the Helper Script to Run the Sample Application.

This effect has the following characteristics:

  • Supported input/output audio is 32-bit float audio with a sampling rate of 16 kHz or 48 kHz.

  • In the Linux SDK, this effect has the following maximum throughput (the number of batches supported in real time):

    Architecture

    Maximum Throughput for the 16K Effect

    Maximum Throughput for the 48K Effect

    T4

    1230

    510

    A100

    7600

    2860

    A10

    6600

    3000

    L40

    7480

    2760

    H100

    8860

    3350

    B100

    12160

    4860

    RTX Pro 6000

    11500

    4260