Research Brief
Phone-on-music-stand feasibility prototype
OrisTrack Phase 1 is a phone-on-music-stand feasibility prototype for repeated brass embouchure load-context monitoring. It combines a guided playing-task battery, brief perceived-pressure and fatigue ratings, audio/video recording, setup-consistency review, event-triggered post-load snapshots, and baseline-first longitudinal tracking.
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Section 01
The literature is fragmented rather than absent across embouchure injury, brass workload, task-demand physiology, observation, and future validation research.
Existing work supports clinically meaningful embouchure problems, warning signs, and partial assessment methods. What it does not yet offer is a low-burden, player-deployable protocol for repeated within-player documentation in ordinary playing conditions.
Current tools are mostly one-off, clinician-led, lab-based, or single-modality rather than built for repeated monitoring.
Adjacent work exists, but what remains underdeveloped is a brass-specific feasibility protocol combining structured tasks, brief self-report, audio/video recording, post-load context, and baseline-first review.
The next step is a staged methodological pathway rather than a product claim: scope definition, feasibility, usability, repeatability, and later validation comparison if Phase 1 works.
The contribution should be methodological rather than promotional: define the battery, clarify candidate markers, test adherence constraints, and establish realistic phone-video observation claims.
Section 02
The literature is fragmented rather than absent. OrisTrack is a proposed research project developing a standardized phone-based feasibility protocol for repeated monitoring of brass embouchure load context, perceived pressure, fatigue, recovery, and functional task response.
OrisTrack is a research project in the early development phase, exploring whether brass players can repeatedly complete a low-burden phone-on-stand protocol in real playing conditions. The project is grounded in performing-arts medicine, musician-health research, and conservative digital-methods development.
The initial scope focuses on workload, perceived pressure, fatigue, recovery, visible functional change, and sound/function change rather than diagnosis or injury detection. The core idea is to bring together a guided weekly session, short contextual questionnaires, optional event-triggered post-load snapshots, and phone audio/video for setup-consistency review.
Each player’s data are interpreted relative to their own prior baseline rather than against population norms, reflecting the high degree of individual variation in embouchure function. A protected Phase 1 prototype exists for internal design testing. No formal participant data collection has begun.
Section 03
Career prevalence of self-reported embouchure disorders has been reported at roughly 59% in one professional orchestra cohort and 42% in one military-band cohort.
These studies also identify fatigue and cramping as common preceding features. Together with the thesis, they support a recurring clinical picture in which fatigue, pain, tonal deterioration, stiffness, swelling, airy sound, and endurance changes matter, while also showing why OrisTrack must avoid diagnostic claims.
A content-valid clinician-administered assessment instrument exists, but it is designed for one-off clinical use rather than longitudinal self-monitoring.
The CODE of Embouchure establishes what expert clinicians consider relevant to assess in a brass embouchure exam. EDSRS provides a more specific severity scale in dystonia. What remains missing is a repeated, self-deployable format that can be used longitudinally outside a one-off specialist encounter.
Mouthpiece-force, digital-mouthpiece, and sEMG studies show that direct force or muscle-activation measurement is possible in specialized settings, but this belongs to later validation rather than the Phase 1 phone-only prototype.
Published atlases and high-density mapping approaches show that sEMG and force/pressure instrumentation are methodologically mature enough to inform later comparison studies. They do not, however, change Phase 1 into a hardware project or justify claiming direct mouthpiece-force measurement from phone data.
Facial-landmark pipelines are validated in adjacent neurological and facial-motor settings, but they remain methodological analogues rather than evidence that a phone can diagnose brass embouchure injury under mouthpiece occlusion.
These methods produce reliable metrics of facial symmetry and orofacial movement in other populations. For brass players, the key question is not whether landmark tracking exists, but whether it remains useful when the central lip region is partly occluded by the mouthpiece during playing.
A longitudinal online self-report approach for musician fatigue has been piloted, showing technical feasibility but also low participant engagement.
This helps establish that repeated self-report collection is technically possible, but also that adherence is a practical challenge. More broadly, longitudinal musician-health surveillance exists, but it has not been operationalized with embouchure-specific functional data.
Section 04
The relevant literature is fragmented rather than absent. Embouchure assessment tools exist, but are designed for one-off clinical use. Longitudinal, self-deployable, embouchure-specific documentation, referenced to each player’s own baseline, has not been operationalized.
Several methodological building blocks are already available in adjacent literatures: clinician-administered embouchure assessment, camera-based orofacial tracking, surface EMG of facial musculature, and longitudinal musician-health surveillance. What has not yet been tested is whether a simple phone-on-music-stand protocol can repeatedly capture useful baseline-based data without making diagnostic or sensor claims.
Section 05
OrisTrack prototypes a conservative Phase 1 feasibility protocol: guided weekly phone-on-stand sessions, short self-report ratings, audio/video recording, monthly or fortnightly context questionnaires, event-triggered post-load snapshots, and baseline-first review.
OrisTrack’s contribution is integrative and feasibility-focused rather than diagnostic: the project does not introduce a sensor or claim to measure mouthpiece force, but adapts existing task, self-report, audio/video, and contextual methods into a repeatable brass-specific protocol.
The Phase 1 weekly session combines a short setup check, baseline tone, articulation, register movement, arpeggio/flexibility, louder playing within safe limits, recovery tone, and brief pre/post perceived-pressure and fatigue ratings. A separate contextual questionnaire and optional post-load snapshot capture workload, symptoms, recovery, and unusual playing days.
Phone video is used to document visible task behaviour, setup consistency, head/instrument movement, and within-player change over time. These are candidate observable features, not direct physiological indicators. Later digital-mouthpiece, force, pressure, audio, or sEMG comparison studies should remain separate from Phase 1 claims.
Section 06
Section 07
01
Systematically map existing embouchure-health instruments and camera-based orofacial monitoring methods applicable to brass players.
02
Refine the task battery, self-report items, post-load snapshot, baseline logic, and Phase 1 claim boundaries.
03
Refine the task battery, self-report item set, safety logic, and video/setup review expectations through structured expert review.
04
Test whether the session design works under realistic conditions and whether participant engagement is sustainable.
05
Evaluate whether repeated sessions produce usable within-player task, rating, recording, and context data.
06
Explore whether within-player changes are usable enough to justify later comparison with direct instrumentation or expert clinical review.
07
Follow a small cohort over time after feasibility is established, keeping future MediaPipe, audio, digital-mouthpiece, or sEMG layers separate from Phase 1 claims.
Formal institutional partnership, ethics approval, and funding are prerequisites for any data-collection phase. The proposed pathway remains deliberately staged so that feasibility and measurement quality can be established before any more ambitious longitudinal or instrumented comparison work begins.
The longitudinal pilot and any instrumented comparison sub-study remain later extensions rather than immediate first steps. This keeps the project modest, methodologically realistic, and appropriately scaled.
Section 08
Section 09
A small visual concept board has been prepared to illustrate how a Phase 1 OrisTrack flow could look: guided phone-on-stand tasks, brief self-report, event-triggered post-load checks, setup consistency, and personal baseline comparison. These screens are illustrative only and do not represent a validated clinical tool.
Early visual concept only — intended to illustrate possible task, self-report, baseline, and protected review flows.
Section 10
This area is reserved for non-public discussion notes, shared documents, follow-up points, and meeting preparation. Access requires credentials so private materials are not exposed on the public site.
Section 11
This section lists publicly available references relevant to OrisTrack’s research context. Only published or publicly accessible sources are included here.