SoundBlaster X G6 CLI

This project makes use of the hidapi library and thus transitively from libusb to provide a CLI to control the SoundBlaster X G6 device from command line. This empowers the people to control the G6 in Linux.

Important Disclaimer

I developed this CLI to the best of my belief, and I use it myself to control my G6, and it works fine for me. I read pretty often that you are able to damage or brick a USB device if you send faulty data to it.

That's why I want to point out, that you USE THIS CLI AT YOUR OWN RISK! I am not responsible for any damage to your system or your device!

Firmware version

This software is tested with a G6 having the Firmware version: 2.1.250903.1324.

Make sure that you have the same version, since I do not know whether the USB specification may differ between the versions. You are able to update your Firmware with SoundBlaster Command in Windows by using a QEMU/KVM VM and the USB Redirection feature.

System requirements

Create udev-rule

In /etc/udev/rules.d/ create a rule file as root (e.q. with name 50-soundblaster-x-g6.rules) having the following content:

SUBSYSTEM=="usb", ATTRS{idVendor}=="041e", ATTRS{idProduct}=="3256", TAG+="uaccess"

# Add udev rule:
sudo cat > /etc/udev/rules.d/50-soundblaster-x-g6.rules << EOF
SUBSYSTEM=="usb", ATTRS{idVendor}=="041e", ATTRS{idProduct}=="3256", TAG+="uaccess"
EOF

This allows you (and the application) to access the USB device directly and is mandatory for the application to be
able to send data to the device.

Apply the udev rules by issuing:

# Reload udev rules:
sudo udevadm trigger

Configure /etc/asound.conf

Configure /etc/asound.conf to let ALSA reliably detect the G6 device on reload:

# Force ALSA to always use the Sound BlasterX G6 by its card name (not index)
# The name "G6" is fixed by the driver and never changes even if the kernel
# reassigns card numbers because of other USB devices.

pcm.!default {
    type hw
    card G6
}

ctl.!default {
    type hw
    card G6
}

Install libusb1

The following libusb packages are required:

libusb-1.0-0-dev/jammy-updates,now 2:1.0.25-1ubuntu2 amd64 [installed]
libusb-1.0-0/jammy-updates,now 2:1.0.25-1ubuntu2 amd64 [installed]

sudo apt-get -y install libusb-1.0-0-dev libusb-1.0-0

Installation

Via pipx package (recommended)

To install the CLI tool using pipx, run:

pipx install soundblaster-x-g6-cli

The soundblaster-x-g6-cli package is installed in ~/.local/share/pipx/venvs/soundblaster-x-g6-cli/.

The command soundblaster-x-g6-cli should now be available in your shell, otherwise you may have to add the directory ~/.local/share/pipx/venvs/soundblaster-x-g6-cli/bin/ to your $PATH variable.

Note that you still need to create the udev rule and create a sudoers entry as described above!

Manual installation (from source)

This section describes how to use the program from source. It contains the following steps:

clone the repository
install Python 3.12
make the prebuilt shell scripts executable
create a venv and download dependencies using pip

Clone repository:

Select a directory of your choice and clone the repository into it:

(cd $HOME; git clone git@github.com:nils-skowasch/soundblaster-x-g6-cli.git)

This should create the directory ~/soundblaster-x-g6-cli, containing all files.

Install Python 3.12:

Install Python3.12. The application has been tested with Python3.12 (LinuxMint 22.1).

sudo apt-get install Python3.12

Make shell scripts executable:

The directory ~/soundblaster-x-g6-cli/shell contains ready to use shell scripts to toggle or set the device output of the SoundBlaster X G6. Set the required file permissions and you should be good to go:

chmod 0544 ~/soundblaster-x-g6-cli/shell/*

Create a virtual environment and download dependencies

Create a virtual environment and download the dependencies using pip:

# create virtual environment 'venv'
cd ~/soundblaster-x-g6-cli/
python -m venv venv

# install virtualenv package (if required) and activate 'venv'
pip install virtualenv
virtualenv venv
source venv/bin/activate

# install dependencies into 'venv'
pip install -r requirements.txt

Conclusion

The shell scripts in /home/<your-username>/soundblaster-x-g6-cli/shell/ should now be usable and the installation is complete.

CLI usage

usage: soundblaster-x-g6-cli [-h] [--dry-run] [--debug] [--no-persist] [--version]
                 [--claim-and-release]
                 [--reload-audio-services] 
                 [--toggle-output] 
                 [--set-output {Speakers|Headphones}]
                 [--playback-mute {Enabled|Disabled}]
                 [--playback-volume {0..100}]
                 [--playback-volume-channels {Both|Left|Right}]
                 [--playback-speakers-to-stereo] [--playback-speakers-to-5-1]
                 [--playback-speakers-to-7-1]
                 [--playback-headphones-to-stereo]
                 [--playback-headphones-to-5-1] [--playback-headphones-to-7-1]
                 [--playback-direct-mode {Enabled|Disabled}]
                 [--playback-spdif-out-direct-mode {Enabled|Disabled}]
                 [--playback-filter {FAST_ROLL_OFF_MINIMUM_PHASE|SLOW_ROLL_OFF_MINIMUM_PHASE|FAST_ROLL_OFF_LINEAR_PHASE|SLOW_ROLL_OFF_LINEAR_PHASE}]
                 [--decoder-mode {Normal|Full|Night}] [--lighting-disable]
                 [--lighting-rgb {0..255} {0..255} {0..255}]
                 [--mixer-playback-mute {Enabled|Disabled}]
                 [--mixer-monitoring-line-in-mute {Enabled|Disabled}]
                 [--mixer-monitoring-line-in-volume {0|10|20|..|100}]
                 [--mixer-monitoring-line-in-volume-channels {Both|Left|Right}]
                 [--mixer-monitoring-external-mic-mute {Enabled|Disabled}]
                 [--mixer-monitoring-external-mic-volume {0|10|20|..|100}]
                 [--mixer-monitoring-external-mic-volume-channels {Both|Left|Right}]
                 [--mixer-monitoring-spdif-in-mute {Enabled|Disabled}]
                 [--mixer-monitoring-spdif-in-volume {0|10|20|..|100}]
                 [--mixer-monitoring-spdif-in-volume-channels {Both|Left|Right}]
                 [--mixer-recording-line-in-mute {Enabled|Disabled}]
                 [--mixer-recording-line-in-volume {0|10|20|..|100}]
                 [--mixer-recording-line-in-volume-channels {Both|Left|Right}]
                 [--mixer-recording-external-mic-mute {Enabled|Disabled}]
                 [--mixer-recording-external-mic-volume {0|10|20|..|100}]
                 [--mixer-recording-external-mic-volume-channels {Both|Left|Right}]
                 [--mixer-recording-spdif-in-mute {Enabled|Disabled}]
                 [--mixer-recording-spdif-in-volume {0|10|20|..|100}]
                 [--mixer-recording-spdif-in-volume-channels {Both|Left|Right}]
                 [--mixer-recording-what-u-hear-mute {Enabled|Disabled}]
                 [--mixer-recording-what-u-hear-volume {0|10|20|..|100}]
                 [--mixer-recording-what-u-hear-volume-channels {Both|Left|Right}]
                 [--recording-mute {Enabled|Disabled}]
                 [--recording-mic-recording-volume {0|10|20|..|100}]
                 [--recording-mic-recording-volume-channels {Both|Left|Right}]
                 [--recording-mic-boost-db {0|10|20|30}]
                 [--recording-mic-monitoring-mute {Enabled|Disabled}]
                 [--recording-mic-monitoring-volume {0|10|20|..|100}]
                 [--recording-mic-monitoring-volume-channels {Both|Left|Right}]
                 [--recording-voice-clarity-noise-reduction {Enabled|Disabled}]
                 [--recording-voice-clarity-noise-reduction-level {0|20|40|..|100}]
                 [--recording-voice-clarity-aec {Enabled|Disabled}]
                 [--recording-voice-clarity-smart-volume {Enabled|Disabled}]
                 [--recording-voice-clarity-mic-eq {Enabled|Disabled}]
                 [--recording-voice-clarity-mic-eq-preset {PRESET_1|PRESET_2|PRESET_3|PRESET_4|PRESET_5|PRESET_6|PRESET_7|PRESET_8|PRESET_9|PRESET_10|PRESET_DM_1}]
                 [--sbx-profile {Gaming,Music,Cinema,Special}]
                 [--sbx-profile-switch {Gaming,Music,Cinema,Special}]
                 [--sbx-profile-print]
                 [--sbx-surround {Enabled|Disabled}]
                 [--sbx-surround-value {0..100}]
                 [--sbx-crystalizer {Enabled|Disabled}]
                 [--sbx-crystalizer-value {0..100}]
                 [--sbx-bass {Enabled|Disabled}] [--set-bass-value {0..100}]
                 [--sbx-smart-volume {Enabled|Disabled}]
                 [--sbx-smart-volume-value {0..100}]
                 [--sbx-smart-volume-special-value {Night|Loud}]
                 [--sbx-dialog-plus {Enabled|Disabled}]
                 [--sbx-dialog-plus-value {0..100}]

SoundBlaster X G6 CLI

options:
  -h, --help            show this help message and exit

General options:
  --dry-run             Used to verify the available hex_line files, without making any calls against the G6 device.
  --debug               Print communication data with the G6 device to the console.
  --no-persist          Disables reading and writing of the current G6 state in file '~/.soundblaster-x-g6/g6.json'.
  --version             show program's version number and exit
  --claim-and-release   Let the application exclusively claim the G6's USB AudioControl interface from the kernel and release it afterwards. 
                        This will disconnect the G6 device from the kernel sound driver "snd-usb-audio" leading the system not having any audio output. 
                        Use `--reload-audio-services` to reload it and make the audio output available again.
  --reload-audio-services
                        Let the system reset the G6 USB device and restart user PipeWire services.

Playback [HID]:
  Control basic features using the G6's USB HID interface.

  --toggle-output       Toggles the sound output between Speakers and Headphones.
  --set-output {Speakers|Headphones}
                        Sets the sound output to the specified option.
  --playback-direct-mode {Enabled|Disabled}
                        Enable/disable Direct Mode.
  --playback-spdif-out-direct-mode {Enabled|Disabled}
                        Enable/disable SPDIF-Out Direct Mode.
  --playback-filter {FAST_ROLL_OFF_MINIMUM_PHASE|SLOW_ROLL_OFF_MINIMUM_PHASE|FAST_ROLL_OFF_LINEAR_PHASE|SLOW_ROLL_OFF_LINEAR_PHASE}
                        Set playback filter by enum name.

Playback [Audio]:
  Control advanced features using the G6's USB AudioControl interface. See `--claim-and-release` how to use these features.

  --playback-mute {Enabled|Disabled}
                        Mute/unmute playback.
  --playback-volume {0..100}
                        Set playback volume as integer.
  --playback-volume-channels {Both|Left|Right}
                        Set playback volume channels for --playback-volume.
  --playback-speakers-to-stereo
                        Switch speakers output to stereo.
  --playback-speakers-to-5-1
                        Switch speakers output to 5.1.
  --playback-speakers-to-7-1
                        Switch speakers output to 7.1.
  --playback-headphones-to-stereo
                        Switch headphones output to stereo.
  --playback-headphones-to-5-1
                        Switch headphones output to 5.1.
  --playback-headphones-to-7-1
                        Switch headphones output to 7.1.

Decoder [HID]:
  Control decoder features using the G6's USB HID interface.

  --decoder-mode {Normal|Full|Night}
                        Set decoder mode.

Lighting [HID]:
  Control lighting features using the G6's USB HID interface.

  --lighting-disable    Disable device lighting.
  --lighting-rgb {0..255} {0..255} {0..255}
                        Enable lighting and set RGB.

Mixer [Audio]:
  Control mixer features using the G6's USB AudioControl interface. See `--claim-and-release` how to use these features.

  --mixer-playback-mute {Enabled|Disabled}
                        Mute/unmute mixer playback.
  --mixer-monitoring-line-in-mute {Enabled|Disabled}
                        Mute/unmute line-in monitoring.
  --mixer-monitoring-line-in-volume {0|10|20|..|100}
                        Set line-in monitoring volume as integer.
  --mixer-monitoring-line-in-volume-channels {Both|Left|Right}
                        Define channels for --mixer-monitoring-line-in-volume.
  --mixer-monitoring-external-mic-mute {Enabled|Disabled}
                        Mute/unmute external mic monitoring.
  --mixer-monitoring-external-mic-volume {0|10|20|..|100}
                        Set external mic monitoring volume as integer.
  --mixer-monitoring-external-mic-volume-channels {Both|Left|Right}
                        Define channels for --mixer-monitoring-external-mic-volume.
  --mixer-monitoring-spdif-in-mute {Enabled|Disabled}
                        Mute/unmute spdif-in monitoring.
  --mixer-monitoring-spdif-in-volume {0|10|20|..|100}
                        Set spdif-in monitoring volume as integer.
  --mixer-monitoring-spdif-in-volume-channels {Both|Left|Right}
                        Define channels for --mixer-monitoring-spdif-in-volume.
  --mixer-recording-line-in-mute {Enabled|Disabled}
                        Mute/unmute line-in recording.
  --mixer-recording-line-in-volume {0|10|20|..|100}
                        Set line-in recording volume as integer.
  --mixer-recording-line-in-volume-channels {Both|Left|Right}
                        Define channels for --mixer-recording-line-in-volume.
  --mixer-recording-external-mic-mute {Enabled|Disabled}
                        Mute/unmute external mic recording.
  --mixer-recording-external-mic-volume {0|10|20|..|100}
                        Set external mic recording volume as integer.
  --mixer-recording-external-mic-volume-channels {Both|Left|Right}
                        Define channels for --mixer-recording-external-mic-volume.
  --mixer-recording-spdif-in-mute {Enabled|Disabled}
                        Mute/unmute spdif-in recording.
  --mixer-recording-spdif-in-volume {0|10|20|..|100}
                        Set spdif-in recording volume as integer.
  --mixer-recording-spdif-in-volume-channels {Both|Left|Right}
                        Define channels for --mixer-recording-spdif-in-volume.
  --mixer-recording-what-u-hear-mute {Enabled|Disabled}
                        Mute/unmute what-u-hear recording.
  --mixer-recording-what-u-hear-volume {0|10|20|..|100}
                        Set what-u-hear recording volume as integer.
  --mixer-recording-what-u-hear-volume-channels {Both|Left|Right}
                        Define channels for --mixer-recording-what-u-hear-volume.

Recording [HID]:
  Control recording features using the G6's USB HID interface.

  --recording-mic-boost-db {0|10|20|30}
                        Set mic boost in dB as integer.
  --recording-voice-clarity-noise-reduction {Enabled|Disabled}
                        Enable/disable noise reduction.
  --recording-voice-clarity-noise-reduction-level {0|20|40|..|100}
                        Set noise reduction level as integer.
  --recording-voice-clarity-aec {Enabled|Disabled}
                        Enable/disable acoustic echo cancellation (AEC).
  --recording-voice-clarity-smart-volume {Enabled|Disabled}
                        Enable/disable smart volume.
  --recording-voice-clarity-mic-eq {Enabled|Disabled}
                        Enable/disable mic equalizer.
  --recording-voice-clarity-mic-eq-preset {PRESET_1|PRESET_2|PRESET_3|PRESET_4|PRESET_5|PRESET_6|PRESET_7|PRESET_8|PRESET_9|PRESET_10|PRESET_DM_1}
                        Set mic equalizer preset by enum name.

Recording [Audio]:
  Control recording features using the G6's USB AudioControl interface. See `--claim-and-release` how to use these features.

  --recording-mute {Enabled|Disabled}
                        Mute/unmute recording.
  --recording-mic-recording-volume {0|10|20|..|100}
                        Set mic recording volume as integer.
  --recording-mic-recording-volume-channels {Both|Left|Right}
                        Define channels --recording-mic-recording-volume.
  --recording-mic-monitoring-mute {Enabled|Disabled}
                        Enable/disable mic monitoring.
  --recording-mic-monitoring-volume {0|10|20|..|100}
                        Set mic monitoring volume as integer.
  --recording-mic-monitoring-volume-channels {Both|Left|Right}
                        Define channels for --recording-mic-monitoring-volume.

SBX [HID]:
  Control SBX effects using the G6's USB HID interface.

  --sbx-profile {Gaming,Music,Cinema,Special}
                        Defines the SBX profile to use for updating single SBX effects. May not be used together with --sbx-profile-switch.
  --sbx-profile-switch {Gaming,Music,Cinema,Special}
                        Switch to the specified SBX profile. May not be used together with --sbx-profile.
  --sbx-profile-print   Prints the name of the current active SBX profile to console.
  --sbx-surround {Enabled|Disabled}
                        Enables or disables the Surround sound effect. Specify the SBX profile to update with --sbx-profile.
  --sbx-surround-value {0..100}
                        Set the value for the Surround sound effect as integer. Specify the SBX profile to update with --sbx-profile.
  --sbx-crystalizer {Enabled|Disabled}
                        Enables or disables the Crystalizer sound effect. Specify the SBX profile to update with --sbx-profile.
  --sbx-crystalizer-value {0..100}
                        Set the value for the Crystalizer sound effect as integer. Specify the SBX profile to update with --sbx-profile.
  --sbx-bass {Enabled|Disabled}
                        Enables or disables the Bass sound effect. Specify the SBX profile to update with --sbx-profile.
  --sbx-bass-value {0..100}
                        Set the value for the Bass sound effect as integer. Specify the SBX profile to update with --sbx-profile.
  --sbx-smart-volume {Enabled|Disabled}
                        Enables or disables the Smart-Volume sound effect. Specify the SBX profile to update with --sbx-profile.
  --sbx-smart-volume-value {0..100}
                        Set the value for the Smart-Volume sound effect as value. Specify the SBX profile to update with --sbx-profile.
  --sbx-smart-volume-special-value {Night|Loud}
                        Set the value for the Smart-Volume sound effect as string (supersedes --set-smart-volume-value). Specify the SBX profile to update with --sbx-profile.
  --sbx-dialog-plus {Enabled|Disabled}
                        Enables or disables the Dialog-Plus sound effect. Specify the SBX profile to update with --sbx-profile.
  --sbx-dialog-plus-value {0..100}
                        Set the value for the Dialog-Plus sound effect as integer. Specify the SBX profile to update with --sbx-profile.

Development

Before continuing this section, see the section System Requirements and install the required system dependencies.

Building the application

To build the application, run the following commands:

# builds the application into the dist/ directory
python -m build

# verifies the build
python -m twine check dist/*

Testing the application

You can test the application with multiple python versions using pyenv and tox.

Pyenv

Use pyenv to manage multiple Python versions.

Install pyenv

curl -fsSL https://pyenv.run | bash

Append pyenv to ~/.bashrc

Append the following lines to ~/.bashrc to make pyenv available in your shell.

cat >> ~/.bashrc << EOF
#
# pyenv:
#
export PYENV_ROOT="$HOME/.pyenv"
[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init - bash)"

EOF

Restart the shell afterwards, or runsource ~/.bashrc.

Install required dependencies

The following dependencies were required for LinuxMint 22.1:

sudo apt install libreadline-dev libssl-dev libsqlite3-dev

There may be other dependencies required for your Linux distribution. Maybe these commands help:

sudo apt update
sudo apt install -y \
    build-essential \
    libssl-dev \
    zlib1g-dev \
    libbz2-dev \
    libreadline-dev \
    libsqlite3-dev \
    curl \
    git \
    libncursesw5-dev \
    xz-utils \
    tk-dev \
    libxml2-dev \
    libxmlsec1-dev \
    libffi-dev \
    liblzma-dev

Test your pyenv setup

Run the following command to verify your pyenv setup:

pyenv doctor

Install supported Python versions

Install the supported python versions using pyenv:

# 3.12
pyenv install 3.12.3

# rehash pyenv shims (run this after installing executables)
pyenv rehash

tox

Test all python environments defined in pyproject.toml using tox.

tox

Test a single python environment using tox:

tox -e py312

Deploying the application

Create a .pypirc file in your home directory with the following content:

[testpypi]
  username = __token__
  password = <api-token>

Deploy the application on testpypi.org:

python -m twine upload --repository testpypi dist/*

Download the application from testpypi.org and test it:

pipx install --pip-args="--index-url https://test.pypi.org/simple --extra-index-url https://pypi.org/simple" soundblaster-x-g6-cli

SoundBlaster X G6 USB specification

I reverse-engineered the USB specification by recording the USB communication using Wireshark USBPCAP and making conclusions of the HEX codes being transmitted from SoundBlaster Command (Application version: 3.4.98.0; Driver version: 1.16.4.26) to the device.

See: usb-spec.md

USB protocol

The following file contains some basic information about the USB protocol:

See: usb-protocol.md

Name		Name	Last commit message	Last commit date
Latest commit History 46 Commits
.run		.run
doc		doc
payloads		payloads
shell		shell
src		src
tests/g6_cli		tests/g6_cli
.gitattributes		.gitattributes
.gitignore		.gitignore
LICENSE		LICENSE
pyproject.toml		pyproject.toml
readme.md		readme.md
requirements.txt		requirements.txt

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SoundBlaster X G6 CLI

Important Disclaimer

Firmware version

System requirements

Create udev-rule

Configure /etc/asound.conf

Install libusb1

Installation

Via pipx package (recommended)

Manual installation (from source)

Clone repository:

Install Python 3.12:

Make shell scripts executable:

Create a virtual environment and download dependencies

Conclusion

CLI usage

Development

Building the application

Testing the application

Pyenv

Install pyenv

Append pyenv to ~/.bashrc

Install required dependencies

Test your pyenv setup

Install supported Python versions

tox

Deploying the application

SoundBlaster X G6 USB specification

USB protocol

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