QualiaAudio Lab
Qualia Audio Lab mastering room with B&W 801 monitors, desk and reel-to-reel machine

Mastering studio & audio restoration lab

Technically precise, humanly cared.

Qualia Audio Lab is a mastering studio and an audio restoration and preservation laboratory. A flat, aligned custom monitoring system and lab-grade standards for monitoring, signal processing and analysis, applied with a scientific but also human approach.

Get in touch See the services

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Mastering, restoration and preservation

  1. 01

    Audio mastering

    Albums and singles for streaming, CD (DDP) and vinyl. Apple Digital Masters, ISRC, hi-res delivery.

  2. 02

    Vinyl premastering

    Dedicated vinyl masters and adaptation of digital masters for lacquer cutting.

  3. 03

    Tape transfer & digitization

    1/4" reel tape, cassette, DAT, MiniDisc, PCM-F1 and more, transferred on calibrated machines.

  4. 04

    Audio restoration

    Noise, clicks, hum, wow and flutter removed from tape, vinyl, acetates and digital recordings.

  5. 05

    Archives & preservation

    Assessment, digitization, metadata and quality control for institutions and private collections.

  6. 06

    Audio forensics

    Analysis, enhancement and speech intelligibility for analogue and digital recordings.

Custom Bowers & Wilkins 801 Matrix S2 monitor

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Lab-grade monitoring, archival practice

Mastering is done on a custom Bowers & Wilkins 801 Matrix S2 system, with the whole chain clocked from an atomic clock reference with low phase noise. As an Apple Digital Masters provider we deliver masters for Apple Music; as IASA members we follow the archival community's guidelines for transfer, metadata and quality control.

Apple Digital Masters IASA - International Association of Sound and Audiovisual Archives

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Selected restoration work

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Recent masters

A selection of albums mastered, vinyl-mastered or restored at Qualia for Portuguese and international labels.

Mastering session at Qualia Audio Lab

/about

Carlos Nascimento

Audio engineer specialising in mastering and the restoration of archival media. His work bridges technical precision and musical sensitivity, grounded in a background in sound recording, music, electronics and radio-frequency systems.

More about the studio →

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Tell us about your project

Describe the material or the music, the format, quantity and any deadline. You'll get a reply with how we'd approach it.

Get in touch carlos@qualiaaudiolab.com +351 912 773 770