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A DSP Toolkit

Project description

HiFiberry DSP
*************

Software for HiFiBerry boards equipped with DSP. This package can be
used to read/write data to HiFiBerry DSP boards using the Beocreate TCP
server.

Installation
============

Before installing the dsptoolkit, you need to have a working Python 3
installation (>=3.5) and a working pip.

You can then install the toolkit by just running

sudo pip3 install --upgrade hifiberrydsp

This will only install the software, but not activate the server.
Depending on your system, you might need to create a startup script
or a systemd unit file for this.

If you're using a Debian based system (e.g. Debian, Raspbian), there
is a script that does all the work for you. Just run the following
command:

bash <(curl https://raw.githubusercontent.com/hifiberry/\
hifiberry-dsp/master/install-dsptoolkit)


sigmatcpserver
==============

This server runs in background and provides a TCP interface (port 8089)
to access DSP functions. It is compatible with SigmaStudio. That means
you can directly deploy DSP programs from SigmaStudio and change
parameters online.

The server automatically dumps the so-called parameter RAM to the file
system when it terminates. On startup, it checks for a parameter RAM
file and if it exists it writes it back to the parameter memory. This
ensures that parameters like volume controls, filter parameters, switch
settings will be automatically restored even if they are not saved in
the EEPROM.

The server accepts the following command line parameters:

-v Verbose output.
--alsa Create an ALSA volume control that is synced with the volume
control of the running DSP program

Command line utility
====================

The dsptoolkit command is the main command line tool to communicate
with the DSP TCP server. The command line parameters are documented
in doc/dsptoollkit.md


REW integration
===============

The software can be used to push filters created by Room Equalisation
Wizard (REW) to the DSP.
Have a look at the guide in /doc/rew-basics.md

DSP profile format
==================

DSP profiles can be generated directly in SigmaStudio. However, to
enable the full potential of DSP Profiles and allow DSPToolkit to
directly control the DSP program, you need to add some additional
metadata to the XML file.
The process to create a DSP profile is documented in /doc/dspprofiles.md

Project details


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