SignStream® Logo

SignStream® Version 3.4.0

Please fill out the brief form below to get to the download area.

SignStream® 3.4.0 system requirements:

Operating Systems

  • macOS Monterey (12), Big Sur (11), Catalina (10.15), Mojave (10.14), High Sierra (10.13), Sierra (10.12), or El Capitan (10.11).

Hardware:

  • Mac computer with 64-bit Intel or ARM (Apple Silicon) processor

    • Note that SignStream® 3.0.4 has not yet been extensively tested with the new ARM hardware. There may be some differences in how the program works with this hardware. 
    • If you decide to use SignStream® 3.4.0 with the ARM processor: When you double-click on SignStream® for the first time--after following all installation instructions very carefully--you will be asked to install Rosetta (which emulates the Intel instruction set) if it is not already installed. You can then double-click on SignStream again to launch it. 

  • 2 GB of RAM

  • 250 MB of hard drive space

Privacy:

We will not give out your email address or personal information. This will only be used to contact you about the software distribution.

Terms of Use

The SignStream® software is being released under the terms of the MIT License:

Copyright © 2017-2022, Trustees of Boston University; distributed by the American Sign Language Linguistic Research Project (ASLLRP).

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

External libraries Used by SignStream®

For details, see LICENSES-3RD-PARTY, NOTICES and dep/ in the SignStream® distribution.

Java AdoptOpenJDK - https://adoptopenjdk.net/index.html
GStreamer - Erik Walthinsen - https://gstreamer.freedesktop.org/
GStreamer-Java gst1-java-core - https://github.com/gstreamer-java/gst1-java-core
JTransforms (FFT) - https://github.com/wendykierp/JTransforms
Swingx - Sun Microsystems https://mvnrepository.com/artifact/org.swinglabs/swingx
Logback - Ceki Gulcu https://logback.qos.ch/
SLF4J - Ceki Gulcu https://www.slf4j.org/
Commons CLI - Apache Software Foundation http://commons.apache.org/proper/commons-cli/

Sign Bank data files, available for separate download, can be used in conjunction with the above software.  All SignStream® data files distributed by the ASLLRP can be used only as stated here; users who download these materials are agreeing to the following terms of use:

Copyright © 2017-2022, Trustees of Boston University; distributed by the American Sign Language Linguistic Research Project (ASLLRP).

These data can be used for research and education purposes, but cannot be redistributed without permission. 

Commercial use, without explicit permission, is not allowed, nor are any patents and copyrights based on this material.

Those publishing results based on use of this software and/or data should cite, as appropriate: 

For SignStream® software:

Carol Neidle, Augustine Opoku, and Dimitris Metaxas [2022] ASL Video Corpora & Sign Bank: Resources Available through the American Sign Language Linguistic Research Project (ASLLRP). arXiv:2201.07899 [cs.CL] https://arxiv.org/abs/2201.07899

Carol Neidle, Augustine Opoku, Gregory Dimitriadis, and Dimitris Metaxas [2018] NEW Shared & Interconnected ASL Resources: SignStream® 3 Software; DAI 2 for Web Access to Linguistically Annotated Video Corpora; and a Sign Bank, 8th Workshop on the Representation and Processing of Sign Languages: Involving the Language Community, LREC 2018, Miyazaki, Japan, pp. 147-154. https://open.bu.edu/handle/2144/30047

American Sign Language Linguistic Research Project (ASLLRP) [2017] SignStream® 3, available from http://www.bu.edu/asllrp/SignStream/3/download-newSS.html.

Carol Neidle (2017): A User's Guide to SignStream® 3, http://www.bu.edu/asllrp/SignStream/3/SS_User-guide.pdf. Boston, MA: American Sign Language Linguistic Research Project Report No. 15, Boston University.

Carol Neidle (2018): What's New in SignStream® 3.1.0? http://www.bu.edu/asllrp/SignStream/3/SS_update.pdf. Boston, MA: American Sign Language Linguistic Research Project Report No. 16, Boston University.

Carol Neidle (2020): What's New in SignStream® 3.3.0? http://www.bu.edu/asllrp/SignStream/3/SS_update-3_3.pdf. Boston, MA: American Sign Language Linguistic Research Project Report No. 17, Boston University.

Carol Neidle (2020): What's New in SignStream® 3.4.0? http://www.bu.edu/asllrp/rpt22/asllrp22.pdf. Boston, MA: American Sign Language Linguistic Research Project Report No. 22, Boston University.

By clicking the Submit button below, you are agreeing to abide by the Terms of Use.

Fields marked with * are required.

Name: