Executed channel mixing

audio.channel-mixing

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Signal properties and values
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JSON

Selected signal results for external comparison. Field statuses, controls and exact values are retained.

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Source

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// Test source pending.

Definition

Recover speaker and discrete channel matrices from isolated basis impulses, with identity and explicit routing controls. Evidence only; no detection or hardware attribution.

Find it in the repository

Collector source: core/signals/audio/channel-mixing.ts
Export: measurementModule · Signal object
Field definitions: core/definitions/audio/channel-mixing.ts
Capture membership: Product capture · common/capture/product.ts
Page registration: app/signals/registry.ts
Field projection: core/results/measurement.ts

Execution contract

Signal: audio.channel-mixing
Collector: audio.channel-mixing
API / surface: core/signals/audio/channel-mixing.ts
Timeout: 2000 ms
Companion signals: None
Fixture inputs: Inline owned corpora (listed below)

core/fixtures/audio/channel-mixing.ts · sha256:7a19703d623d37c25a25b8e3d3c11171ed7503e31edd602ed3aae64dcf79fc49

Exact request inputs

[
  {
    "key": "audio.channel-mixing.responses",
    "inputs": {
      "mono-stereo-speakers": {
        "revision": "channel-mixing-r1",
        "id": "mono-stereo-speakers",
        "input": 1,
        "output": 2,
        "interpretation": "speakers",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16
        ],
        "channelOrder": [
          "L"
        ]
      },
      "mono-stereo-discrete": {
        "revision": "channel-mixing-r1",
        "id": "mono-stereo-discrete",
        "input": 1,
        "output": 2,
        "interpretation": "discrete",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16
        ],
        "channelOrder": [
          "L"
        ]
      },
      "stereo-mono-speakers": {
        "revision": "channel-mixing-r1",
        "id": "stereo-mono-speakers",
        "input": 2,
        "output": 1,
        "interpretation": "speakers",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16,
          32
        ],
        "channelOrder": [
          "L",
          "R"
        ]
      },
      "stereo-mono-discrete": {
        "revision": "channel-mixing-r1",
        "id": "stereo-mono-discrete",
        "input": 2,
        "output": 1,
        "interpretation": "discrete",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16,
          32
        ],
        "channelOrder": [
          "L",
          "R"
        ]
      },
      "mono-identity": {
        "revision": "channel-mixing-r1",
        "id": "mono-identity",
        "input": 1,
        "output": 1,
        "interpretation": "speakers",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16
        ],
        "channelOrder": [
          "L"
        ]
      },
      "stereo-identity": {
        "revision": "channel-mixing-r1",
        "id": "stereo-identity",
        "input": 2,
        "output": 2,
        "interpretation": "speakers",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16,
          32
        ],
        "channelOrder": [
          "L",
          "R"
        ]
      },
      "surround-stereo": {
        "revision": "channel-mixing-r1",
        "id": "surround-stereo",
        "input": 6,
        "output": 2,
        "interpretation": "speakers",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16,
          32,
          48,
          64,
          80,
          96
        ],
        "channelOrder": [
          "L",
          "R",
          "C",
          "LFE",
          "SL",
          "SR"
        ]
      },
      "explicit-stereo-mono": {
        "revision": "channel-mixing-r1",
        "id": "explicit-stereo-mono",
        "input": 2,
        "output": 1,
        "interpretation": "discrete",
        "frames": 256,
        "sampleRate": 48000,
        "amplitude": 0.5,
        "impulseFrames": [
          16,
          32
        ],
        "channelOrder": [
          "L",
          "R"
        ]
      }
    },
    "controls": {}
  }
]

One collector runs per invocation. Results and JSON select this signal’s fields; any companions execute in the same collector.

Generated source manifest lists runtime files, fixture URLs and content digests for this build. The Source tab provides a copyable console sample.

Run and edit locally

From the repository root, start the Astro app, then open /signals/audio.channel-mixing. Edit the collector source and reload the page to load its new build.

pnpm run dev:web

In a browser module served by this repository’s Vite graph:

import { createCollector } from "/core/collect"
import { measurementModule } from "/core/signals/audio/channel-mixing"

const signal = measurementModule
const collector = createCollector()
const suite = { signals: [signal] }
const result = await collector.collect(suite)

Reuse the collector owner for repeated calls so collection can enforce cleanup. This returns the collector’s raw result; app/signals/projection.ts selects the retained fields shown on this page.

rg -n 'measurementModule' core app tests
pnpm run check
pnpm run test tests/unit/app/focused-projection.test.ts