top of page

bismark develops "Software Synthesizer Library", and it has a lot of achievements in the professional Music related products and applications.
Overview explanation in pdf

  • High Portability

    • Independent from OS/CPU/Platforms

  • Can Replace Existing MIDI Hardware Sound Module in Your Products

    • Compatible with GM (General MIDI) Format

    • Compatible with GS (Roland) Format

  • Support Various Targets

    • Light Processing -> For Embedded / Mobile

    • High Quality -> For Professional Software Instruments / Professional KARAOKE Commander

KY Professional KARAOKE Commander

KY / Keumyoung Group (South Korea), Shinto Sangyo (Osaka, Japan), and bismark LLC jointly developed the new software synthesizer engine and sound library and applied it to the professional KARAOKE commander KG LiVEN (KMS-S100). Since this software does not require the specified hardware and can be ported to the general platform like Android and Linux, it enables low cost and more flexible hardware design and helps to re-use effectively your existing MIDI contents property.


The Manetron / insideout ltd.

"The Manetron" is the vintage tape sampling keyboard App for iPhone/iPad/Apple Silicon Mac. Genuine sound sampled from the most famous white body tape sampling keyboard model number of M400S (serial number 419 & 728) manufactured in the 70's. You can see an internal mechanism (tape running animation) and can enjoy with eyes and an ear. Feel the live experience the motor noise mechanical sounds were recorded.

(App Store / Google Play)


Vintage Keys Apps / insideout ltd.

Combo Organ Model V is a musical keyboard app for iPad/iPhone/iPod touch that simulates the electric transistor organ, is called a Combo Organ. It was a big success in the 1960s.

(App Store / Google Play)

Alina String Ensemble is a musical keyboard application for iPhone/iPad/iPod touch that simulates the Solina String Ensemble. The sound is in reference to Solina String Ensemble (Serial number "SERIES 22, No.0093158”) manufactured by N.V. EMINENT BODEGRAVEN HOLLAND in the 70’s. You are sure to be surprised at the real sound generated from this App.
(App Store / Google Play)


Sweet MIDI Player / Roni Music

Sweet MIDI Player is a MIDI player for not only auditioning all types of MIDI files, but for modifying the MIDI files themselves.

Use its mixer-like interface to easily edit the control messages, transpose the music, change the tempo, mute desired MIDI channels, and save the end results to disk.

View lyrics synchronized with the music (MIDI Karaoke files).

It also includes a playlist function which allows you to create and manage playlists.

Built in MIDI sound library with support for DLS/SF2 files.

(App Store)


bismark bs-16i

bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont / DLS and can be used for keyboard instrument, MIDI sound module, and MIDI player.

(App Store / Google Play)

bottom of page