/ Products
Products
Software products we design and build in-house at CONEX, K.K.
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MatchVolume
A macOS app that analyzes each track’s loudness and writes Sound Check tags to level playback volume — without altering the audio (non-destructive), and reversible at any time.
macOS 15 Sequoia or later
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ZMDX Player
A macOS and iPhone player for X68000 MDX and Z-MUSIC. An in-house engine renders YM2151 (OPM) FM voices and ADPCM samples. No ads. MDX is free; Z-MUSIC playback is a one-time add-on.
macOS 14 Sonoma or later / iOS 17 or later
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HearRelay
A sound monitor that lets you hear what your iPhone / iPad microphone picks up — live, through headphones or on another Apple device (baby monitor / noise check). Same Apple Account + same Wi-Fi only, end-to-end encrypted, no data collection.
iOS 18.0 or later / iPadOS 18.0 or later