Reducing signal delay in multipulse coding at 16kb/s
Why this work is in the frame
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Bibliographic record
Abstract
Block-band coders typically impose a signal delay of about 60 ms. This paper reports on multipulse-LPC coding structures which reduce signal delay to 2 ms. The proposed structures are based on I) a high update rate for LPC side-information, and II) the use of very short duration intervals for the placement of pulses. The low delay structure imposes a relatively more uniform distribution of pulses in time. The addition of pitch prediction, over very short blocks, is observed to overcome the degradation due to the uniform pulse distribution. An efficient pitch prediction approach and the use of a forward-adaptive lattice filter contribute to maintaining computational requirements within the reach of modem DSP chips.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it