R11: indoor track 2026-10-08 (walk/jog/run intervals); sessions.csv + README table to 11 sessions (part 2)

README.md

@@ -69,7 +69,7 @@ this dataset's public data.
 ## The sessions
 
 <!-- glance:start (generated by scripts/make_catalog.py) -->
-**10 sessions, 1 participant, 5.4 h of recording, 32 km outdoors, 2026-09-07 to 2026-10-05.**
+**11 sessions, 1 participant, 5.6 h of recording, 34 km outdoors, 2026-09-07 to 2026-10-08.**
 <!-- glance:end -->
 
 <!-- sessions:start (generated by scripts/make_catalog.py from sessions.csv -- do not edit by hand) -->
@@ -85,8 +85,9 @@ this dataset's public data.
 | 2026-09-30 | [R08](figures/S01/R08/overview.png) | outdoor | 45 | 45 |  | 4 |  | 0.7 | 99.2 | 0.31 |
 | 2026-10-03 | [R09](figures/S01/R09/overview.png) | outdoor | 20 | 41 | 5.00 | 4 | watch | 0.0 | 99.9 | 0.01 |
 | 2026-10-05 | [R10](figures/S01/R10/overview.png) | outdoor | 33 | 33 | 4.46 | 4 | watch | 1.9 | 98.0 | 0.36 |
+| 2026-10-08 | [R11](figures/S01/R11/overview.png) | indoor | 14 | 14 | 2.03 | 4 | watch | 0.0 | 99.9 | 0.06 |
 
-*10 sessions. Click a session for its overview figure; every column (setup, versions, heart rate, capture quality) is in `sessions.csv`.*
+*11 sessions. Click a session for its overview figure; every column (setup, versions, heart rate, capture quality) is in `sessions.csv`.*
 <!-- sessions:end -->
 
 Every run's figures sit in `figures/<subject>/<session>/`: `overview.png` (start there), `data-*.png` for

data/S01/R11/level/meta-summary.json

@@ -0,0 +1,91 @@
+{
+    "schema_version": 2,
+    "app": {
+        "versionName": "0.1.13-exp"
+    },
+    "session": {
+        "activityCode": "BTIMU_RAW",
+        "sensorType": "BT_IMU",
+        "startedAtIso": "1970-01-01T00:00:00.497000+00:00",
+        "startedAtMs": 497,
+        "endedAtMs": 807983,
+        "durationMs": 807486,
+        "endReason": "clean"
+    },
+    "sensors": [
+        {
+            "shortMac": "4444",
+            "sensorLabel": "right_foot",
+            "transport": "DONGLE",
+            "firmwareVersion": "0.102.0"
+        },
+        {
+            "shortMac": "8888",
+            "sensorLabel": "left_foot",
+            "transport": "DONGLE",
+            "firmwareVersion": "0.102.0"
+        },
+        {
+            "shortMac": "0000",
+            "sensorLabel": "back",
+            "transport": "DONGLE",
+            "firmwareVersion": "0.102.0"
+        },
+        {
+            "shortMac": "1111",
+            "sensorLabel": "wrist",
+            "transport": "DONGLE",
+            "firmwareVersion": "0.102.0"
+        }
+    ],
+    "transports": [
+        {
+            "type": "DONGLE",
+            "shortMac": null,
+            "firmwareVersion": "0.102.0"
+        }
+    ],
+    "settings": {
+        "sampling_rate_hz": "100.0",
+        "sensor_count": "4",
+        "time_sync": "true"
+    },
+    "files": [
+        {
+            "name": "imu-wrist-1111.csv",
+            "modality": "ACCEL_GYRO",
+            "shortMac": "1111",
+            "rotationCount": 1,
+            "units": "us, m/s^2, rad/s"
+        },
+        {
+            "name": "imu-left_foot-8888.csv",
+            "modality": "ACCEL_GYRO",
+            "shortMac": "8888",
+            "rotationCount": 1,
+            "units": "us, m/s^2, rad/s"
+        },
+        {
+            "name": "imu-back-0000.csv",
+            "modality": "ACCEL_GYRO",
+            "shortMac": "0000",
+            "rotationCount": 1,
+            "units": "us, m/s^2, rad/s"
+        },
+        {
+            "name": "imu-right_foot-4444.csv",
+            "modality": "ACCEL_GYRO",
+            "shortMac": "4444",
+            "rotationCount": 1,
+            "units": "us, m/s^2, rad/s"
+        },
+        {
+            "name": "meta-summary.json",
+            "modality": "META",
+            "shortMac": null,
+            "rotationCount": 1,
+            "units": null
+        }
+    ],
+    "notes": null
+}

sessions.csv

@@ -9,3 +9,4 @@ S01,2026-09-28,R07,outdoor,pavement,,,4,Back;Left Foot;Left Wrist;Right Foot,acc
 S01,2026-09-30,R08,outdoor,pavement,,,4,Back;Left Foot;Right Foot;Wrist,accel+gyro,100.0,5,DONGLE,0.102.0,0.102.0,0.1.13-exp,samsung SM-S926W,none,BEACON_TIMESYNC,hand,post,False,True,True,False,False,False,False,44.8,44.8,recording,,,,,,,151.0,phone_steps,0.71,99.21,0.31,40.2,7.4,False,ALIGNED,back,100.0,98.0,24.5,19.5,4.14,4.08,28.4,25.7,7,92.2,"Phone carried in the hand. GPS off, so no pace profile; the barometer and step counter were still logged. The back sensor was loose and re-seated several times: trunk measures such as vertical oscillation are unreliable, the feet are unaffected. The pre-run calibration walk did not register on the feet, so the post-run calibration is used"
 S01,2026-10-03,R09,outdoor,pavement,parkrun,"Victoria Park parkrun, Kitchener",4,Back;Left Foot;Right Foot;Wrist,accel+gyro,100.0,5,DONGLE,0.102.0,0.102.0,0.1.13-exp,samsung SM-S926W,none,BEACON_TIMESYNC,pack,pre,False,False,False,False,False,False,True,20.2,41.0,reported,reported,5.0,8.2,160.0,178.0,fit3,151.0,fit3,0.0,99.91,0.01,0.0,108.6,True,ALIGNED,,90.0,88.0,23.8,23.5,4.08,4.05,28.6,26.2,5,37.4,"Dongle on a short USB cable; the second phone was in the same pack, powered off. The recording covers the first ~18 min of a ~41 min event: the sensor data then stopped with no error while sensors and dongle still reported connected; The watch was in airplane mode with no GPS, so its distance is an estimate and reads well above the 5.00 km course"
 S01,2026-10-05,R10,outdoor,pavement,,,4,Back;Left Foot;Right Foot;Wrist,accel+gyro,100.0,5,DONGLE,0.102.0,0.102.0,0.1.13-exp,samsung SM-S926W,none,BEACON_TIMESYNC,pack,pre,False,False,False,False,False,False,True,33.1,33.0,fit3,fit3,4.46,7.39,157.0,171.0,fit3,149.0,fit3,1.87,98.05,0.36,103.6,8.9,False,ALIGNED,,81.0,80.0,25.0,22.1,4.06,4.02,25.9,28.6,5,66.5,"Phone carried in the waist pack, with a second phone in the pack powered off. GPS off, so no pace profile. IMU data loss was 1.7-2.1 % per sensor (effective rate 97.8-98.2 Hz of 100 Hz): 428-539 gaps per sensor, every one a whole number of 50 ms packets; 58-67 % of gaps were a single packet (50 ms), 98-99 % were 4 packets (200 ms) or fewer, and the longest was 0.3-0.4 s. The gaps cluster in about seven short episodes (rate dipping to ~70 Hz, each lasting up to ~1.5 min) that hit all four sensors at once, with full rate in between. Three of the four IMU files end 5-9 s before the session end."
+S01,2026-10-08,R11,indoor,track,,,4,Back;Left Foot;Right Foot;Wrist,accel+gyro,100.0,5,DONGLE,0.102.0,0.102.0,0.1.13-exp,samsung SM-S926W,none,BEACON_TIMESYNC,hand,pre,False,False,False,False,False,False,True,13.5,14.0,fit3,fit3,2.03,6.9,,,,,,0.01,99.9,0.06,0.0,1.3,,MISALIGNED,,91.0,90.0,25.0,25.4,3.67,3.67,25.8,28.0,5,27.3,"Indoor track, training intervals alternating walking, jogging and running; phone carried in the hand. Phone GPS off, so no pace profile. IMU data loss was negligible (0.00-0.02 % per sensor). The beacon time sync did not take on three of the four sensors (stable offsets of roughly 0.2, 0.3 and 0.8 s against the wrist beacon for the whole session), so cross-sensor and bilateral timing metrics are withheld; per-sensor metrics are unaffected. The watch workout was started about half a minute after the recording and is a cross-check only."