SoundTrap Host V4.0.21 Beta Release

This is Beta software – please use with caution (bench test your settings)

Released 10 May 2024

Requirements: Windows 7 or later, USB2 Port

Caveats. While every care has been taken in producing the SoundTrap Host software, this is free software offered as is in the hope that it will be useful: there is no warranty, implied or otherwise, nor implication of fitness for any particular purpose.

Download SoundTrap Host Software For Windows 7 32 bit

Download SoundTrap Host Software For Windows 7 64 bit

Release 4.0.21 (10 May 2024) Changes:

Fixed ‘SamplingTimePeriod’ calculation

Enabled Zero Fill Function

Release 4.0.20 (18 March 2024) Changes:

Added magnetometer support for ST640

Release 4.0.19 (23 November 2023) Changes:

Added Flac support

Reduced power consumption for idle cards

MainApp Version

Release 4.0.17 (26th July 2023) Changes:

MainApp Ver

Added LSM303AGR accelerometer for ST640

Release 4.0.16 (29th June 2023) Changes:

Added UTC option to card reader

Added audio test function

Improved file listing speed and responsiveness

Added ‘hide downloaded files’ checkbox feature

Added offload reporting

Fixed shutdown errors for clean file close

Removed click at start of file (when tones disabled)

Mainapp v4.0.0.8

Release 4.0.15 (22th March 2023) Changes:

Fixed Card reader startup bug

Faster SD card format in SoundTrapHost

Release 4.0.14 (17th March 2023) Changes:

Added file offload log

Added app and config crc check

Improved clock accuracy

Release 4.0.12 (1st Feb 2022) Changes:

Host bug fix to enable ST640 accelerometer

Release 4.0.11 (3rd Dec 2021) Changes:


Offloader 1.48

Added ST640 support

Release 4.0.9 (18th May 2021) Changes:

Disabled main app Uart debug

Release 4.0.8 (17th May 2021) Changes:

Fixed ST4300 channel selection bug

Fixed MSP ver bug

Fixed ST500 firmware update card select bug

Release 4.0.7 (11th Feb 2021) Changes:

Fixed ST4300HF clock accuracy

Fixed ST4300 3 chan record bug

Fixed Serial number assignment bug

Release 4.0.5 (11th Feb 2021) Changes:

Fixed i2c bug

Fixed default config load

Release 4.0.2 (11th Feb 2021) Changes:

Added ST600HF

MSP updates – Ver 303

Changed batt cutout V

Fixed audio ID glitch

Release 4.0.2 Changes:

Support for ST600

Improved schedule functions

MSP Firmware 301 (ST600) or 212 (others)

Main App V

Offloader 1.44

Release 3.5.1 (31st May 2019) Changes:

Fixed UTC for record start time

Added sub second timestamps to meta data

MSP Firmware v2.14

Ext batt Vstop increased by 100mV to 3.5V

Release 3.5.0 (31st May 2019) Changes:

Fixed SD card selection for ST500HF

Firmware Ver

Changed streaming baud rate to 230400 bps

Release 3.4.0 (27th Feb 2019) Changes:

Added ST streaming

Enabled 4 channel recording at 384 kHz

Release 3.3.0 (8th June 2018) Changes:

Enabled accelerometer

Firmware Ver

Offloader Ver 1.39

Release 3.2.0 (24th May 2018) Changes:

Support for ST500 removable memory cards

Limited support for ST4300HF

Added SoundTrap Memory Card Reader App

Release 3.0.0 (19th March 2018) Changes:

Support for ST500 recorders

XML Date/Time format standardisation

UTC Time zone option

Negative temperature bug fix

Firmware Ver 3.0.0

Offloader Ver 1.37

Release 2.0.8 (16th January 2017) Changes:

Firmware release

Fix to schedule t-1s bug

Beta release 2.0.7 (22th December 2016) Changes:

Firmware release

Reinstated cal tones

Click count reset on new file

Disabled click detector for multi channel

Changes to audio throttling

Bug fix for ST4300 model detection

Beta release 2.0.5 (12th December 2016) Changes:

Installer Bug fix – linked correct off-loader version (v1.36)

Beta release 2.0.4 (5th December 2016) Changes:

Changes to GPS support

Beta release 2.0.3 (5th December 2016) Changes:

Changes to battery monitoring

MSP Update required (v2.12)

Main app

Offloader 1.36

Beta release 2.0.2 (4th November 2016) Changes:

Added multi-channel wav for ST4300

Fixed ST4300 decm bug

Fixed ST4300 scheduling bug

Beta release 1.3.6 (10 August 2016) Changes:

Fixed ST4300 HID bug

Beta release 1.3.5 (4 August 2016) Changes:

Added four channel recording

Beta release 1.3.4 (20 June 2016) Changes:

Fixed xml log sample count calculation error

Beta release 1.3.3 (5 May 2016) Changes:

Fixed duty cycling

Increased external battery cut off voltage

Beta release 1.3.0 (18 December 2015) Changes:

HF Click detector

Up to 30% power savings

GPS logging

Accelerometer logging

User manual update

PT updates

Beta release 1.2.9 (14 September 2015) Changes:

User manual update

36 kHz sample rate removed

Beta release 1.2.8 (7 September 2015) Changes:


Fixed negative temperature log bug

Added seamless schedule feature

Added time stamps to sensor logs

Beta release 1.2.7 (7 September 2015) Changes:


MSP 209

New lower sample rates

Firmware display bug fix

Increases battery switch hysteresis

Added external battery status check to IR remote

Improved error logging

Beta release 1.2.6 (18 August 2015) Changes:


Schedule 1 second error bug fix take 2

UART prod test

Beta release 1.2.5 (23 July 2015) Changes:

Schedule 1 second error bug fix

Faster file scan

Added ST300 high pass function

Updates to Prod test

Beta release 1.2.4 (1 July 2015) Changes:

Added ST300 support

Fixed MSP reset bug

Improved battery status reporting

Disabled Accelerometer logging due to bug

Added xml prod tests

Fixed downloaded status bug

Beta release 1.2.1 Changes:

MSP firmware version/update bug fix

USB PID change

Beta release 1.2.0 Changes:

USB offload 2 x speed improvement

Temperature and accelerometer logging

Additional sample rate of 36 kS/s (or 72 kS/s for the HF models)

Minimum file size decreased by 4x to optimise memory efficiency

Host UI improvements