HDS iSound

HDS iSound

iOS iPad Music

Free was 49.99
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HDS iSound is a hiqhquality virtual soundmodule for your iPad. Play your iPad with external MIDI instruments, accordion-MIDI, soundenlargement for your stage-setup or as stand-alone for training and learning at home.
Using the sample-library of HDS Pro.Sound1 and HDS Sound.Power offers HDS iSound a very realistic and authentic sound reproduction. By real-time streaming the audio samples can be played in very high polyphony and low latency of only 5ms.


- Accordion folkmusic
- Styrian button-Box (diatonic)
- Oberkrainer-Guitar / GitChordSamples for accompainment
with Major / Minor / Sept. / Deminished-chords*
- Baritone short/long**
- Baritone
- Gaudi-Sample SET

more available sound variations and sound packs as In-App purchases :

Accordion-Pack*, Styrian-ButtonBox-Pack*, GitChord-Pack*, Baritone2, Bass-Pack, Trumpet/Clarinet-Pack, Stubnmusi-Pack, DrumSet-Pack

*for using GitChordSamples, GitChordPack, Accordion- and StyrianPack with MIDI-accordion (bass-side), make sure that your MIDI-system includes the SampleChannel-Option.
**switch with SoftPedal – Midicontroller CC 67


- record with the built-in MIDI Recorder and save and upload
your songs in Standard MIDI file format
- unlimited number of tracks
- 16 separate MIDI channels, assignable individually
for each track
- unlimited recording and playback time
- load SMF MIDI files to your device using the iTunes software
- use Midi Files in the app and you will see on
the virtual keyboard which notes are played
- use the unique "Tempo-Zoom" slider to, i.e. for slowing
down songs in order to learn them easier


- Polyphony depending on used iPad-model up
to 120 stereo voices
- configurable audio latency down to 5ms
- built-in DSP effects with 17 presets
- RunApp in background, so you can play and at the same
time, for example, with another app, show sheets
or lyrics or play back MP3s
- supports Apple 's "inter - app audio " system (iOS7) for
audio & MIDI streaming to / from other apps
- supports " JACK Audio Connection Kit " (up to iOS 6.1.3)
for audio & MIDI streaming to / from other apps.
- supports Audio Unit (iOS 9.3)


For good performance we recommend iPad4 and later.

Please note that this app requires a lot of hardware resources.
If you encounter problems with the app, please close all running applications in the background by pressing twice on the "Home" button and in the list of displayed apps hold onto a tap and - then press the "minus sign" in the corner, to close this application. Then close all other apps.

For more information on compatible MIDI adapter, please visit the website www.hdsmusic.de or ask your music retailer.

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What's New

- Audio Unit support (iOS v 9.3)

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