S-4 changelog

S-4 OS v1.2.1 Hotfix

November 5 2024

Bugfixes

TAPE: Fixed an issue where START and LENGTH did not initialise correctly after trimming a sample

Get the update at: https://torsoelectronics.com/pages/support

Find the update instructions in the manual. Remember not to unzip the update file before transferring it to the S-4.

Changes in S-4 OS v1.2.0

November 4 2024

Features

TAPE: TRIM action
Samples can now be trimmed within the TAPE device. Use [CTRL] + [TRIM] to trim the sample within the loop region set by START and LENGTH. Trimmed samples are saved within the project and can be saved as a file using the [CTRL] + [SAVE] action to use elsewhere.
TAPE: Adding length to buffer
Extending the LENGTH beyond the sample length in TAPE adds silence to the end of the sample.
TAPE: STRETCH mode
This new mode retains the pitch of a sample regardless of TEMPO and global BPM, replacing the KEYLOCK action in TAPE. In STRETCH mode, PITCH can be offset freely, and GLIDE can be applied. STRETCH mode lives alongside the SYNC and FREE modes, and can be selected by pressing and holding the encoder for the TEMPO parameter.
TAPE: DENSITY parameter
DENSITY controls grain size and rate for playback in TAPE. When TAPE is in FREEZE, DENSITY can be used to control the size of the frozen area, and in STRETCH mode it can be used to tweak the sound the loaded sample. It can also be used creatively with modulation. The DENSITY parameter is found on page two of the TAPE device.
MIX: Revamped DJ filters
The DJ filters on the MIX page have been revamped to provide a smoother response.

Enhancements

Significant DSP optimisation, reducing overall CPU load
This includes increased performance when using POLY and MOSIAC together and when using the S-4 as an audio interface
Improved clock-in stability
Confirmation pop-ups added for CONFIG actions
Added option to reset device
Under CONFIG → SYSTEM, there is now an option to do a factory reset of the device
Changed default modulators in new projects to RANDOM, RANDOM, WAVE, WAVE
TAPE: In FREE mode, recording no longer quantises the start and stop of RECORD
POLY: Added fade time to voice-stealing algorithm

Bugfixes

Fixed an issue with audio buffers not clearing when loading projects, which could cause saving/loading issues
Fixed an issue where the S-4 became unresponsive after repeated saves and loads
Fixed an issue where long recordings could cause the S-4 to crash
Fixed an issue where CC control of time-based parameters didn’t follow the parameter’s quantisation settings
Actions without text no longer get highlighted when tapped
TAPE: Fixed an issue where overdubbing caused audio distortion
TAPE: Fixed an issue where initial overdubbing in a new project caused clicks and audio ducking
TAPE: The LENGTH parameter now instantly updates after START is moved towards the end of the sample
TAPE: Fixed an issue where the buffer length extended incorrectly while looping remained correct
TAPE: Fixed an issue where TAPE didn’t reset correctly after loading a project with TAPE in FREE mode
TAPE: Fixed an issue where TAPE in FREE mode didn’t reset correctly after reboot
TAPE: Fixed an issue where the loop region shifted when LENGTH was set below START
TAPE: Fixed an issue where configuring LENGTH could cause S-4 to freeze or crash
TAPE: Fixed an issue where changing START or LENGTH to a larger division didn’t snap to the nearest division
TAPE: Fixed an issue where moving START all the way to the right in FREE mode caused audio to stop
TAPE: Using [CLEAR] + [DEVICE] no longer stops TAPE playback
TAPE: Fixed an issue where buffer dirty indicator (“*”) didn’t appear until re-entering TAPE
TAPE: Fixed an issue where START became negative after loading an old project and creating a new one
POLY: Fixed an issue where certain sequencers caused POLY to trigger notes twice

A special thanks to our beta testers for helping us with testing and giving feedback on this update!

Get the update at: https://torsoelectronics.com/pages/support

Find the update instructions in the manual. Remember not to unzip the update file before transferring it to the S-4.

Changes in S-4 OS v1.1.0

September 6 2024

Features

MIDI sync in/out
Analog clock sync in/out
TAPE: Added SYNC and FREE modes for TEMPO

Enhancements

Changed MIDI Config menu names for clarity
VAST: Tweaked slew limiting of delay time
POLY: Added icons for loop modes
POLY: Voice is released when sustain reaches 0

Bugfixes

Fixed a crash when sending multiple CCs to the same parameter
Fixed a visual bug where sending CC to one parameter made the same parameter on all other tracks move
Choosing same device in the device selection menu, no longer causes device parameters to reset
Fixed an issue where OS updates were not correctly applied to the S-4
TAPE: Fixed an issue where long samples did not load on saved projects
TAPE/POLY: Fixed an issue where switching from POLY to TAPE caused TAPE to have irreversible negative values on START and LENGTH
POLY: Removed aliasing on short envelopes
POLY: Fixed an issue where a small part of the start of the loaded sample was played, when the envelope reached end of the waveform
POLY: Fixed an issue where the start point of the sample was inconsistent as multiple notes were played
POLY: Fixed an issue where mono samples were not displayed correctly
POLY: Removed audible pops when using the ping pong loop mode
VAST: Delay freeze no longer drifts over time
VAST: Fixed an issue where the delay feedback became shifted as SPREAD was moved
MIX: Fixed an issue where parameters on the MIX page did not change using CC from external USB devices
RANDOM: Fixed an issue where modulator went out of sync as length was changed

Get the update at: https://torsoelectronics.com/pages/support

Find the update instructions in the manual. Remember not to unzip the update file before transferring it to the S-4.

Changes in S-4 OS v1.0.4

June 19 2024

Enhancements

An animation now indicates when the S-4 is busy
Update .zip file is now automatically removed after update
Encoders can now be used to navigate the sample and project browser
Both updates and factory sample packs can be installed from external USB drive

Bugfixes

Fixed crashes when saving and loading projects
Fixed issue where old parameter ranges were used when loading projects created in previous firmware
Fixed an issue where free rates did not save in projects
Fixed an issue where audio config settings did not load correctly
Fixed an issue where parameter modes did not reset correctly when creating a new project
Fixed an issue where the firmware version was wrongly displayed in the system config
Turning an encoder in an empty folder in the sample or project folder no longer causes the S-4 to crash

S-4 OS v1.0.3 Hotfix

June 13 2024

Bugfixes

TAPE: Fixed issue and issue caused by previous update, where Start and Length parameters did not load correctly.
TAPE: Fixed issue where GUI grid division did not update accordingly when loading project.

Changes in S-4 OS v1.0.2

June 5 2024

Enhancements

RING/VAST/RANDOM/WAVE: Lower rates for time-based parameters.
TAPE: The timeline now updates instantaneously when selecting a sample, so it is more apparent when longer samples are being loaded.
RANDOM: Improved Smoothing parameter. Values up to 70% now behave more like a glide.
VAST: Improved Damp and Spread behavior when Freeze is enabled.

Bugfixes

TAPE: Length of loaded samples is increased to 6 minutes.
TAPE: When Tape is in Freeze mode, the playhead no longer moves forward when adjusting Start or Length. The playhead will resync when Freeze is disabled.
TAPE: Fixed a bug where Start and Length grid division was not linked.
VAST: Toggling Freeze no longer causes delay line to self-oscillate.
VAST: Damp no longer increases delay feedback
RANDOM/WAVE: Rates in Free are now independent from BPM.
RANDOM: Modulator no longer goes out of sync when changing rate.
RANDOM: Variation parameter now affects the last step of modulation.
Fixed USB audio in artefacts on ch. 5/6, 7/8, 9/10

Changes in S-4 OS v1.0.1

May 23, 2024

Enhancements

MOSAIC: Increased grain size

Bugfixes

S-4 won’t turn on in some cases
TAPE: Recorded audio plays too fast
Crash when saving project with punctuation
Brightness adjusting wraps when pressing select or pressing encoder
Track inputs bleed

S-4 OS v1.0.0

April 28, 2024

Initial release