← Back to Patent Explorer
TW204406B Expired / Lapsed TW ⏱️ 0.0 years remaining

Audio signal coding device

Assignee: Sony Co Ltd
•
Filing: 1992-10-24
•
Granted: 1993-04-21
•
Expires: 2012-10-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract This is an audio signal coding device with high efficiency. Itquantize the input audio signal in each unit with adaptive bits distribution. It features that by use the characteristics of audition it calculates the energy of tolerance noise in each unit and to the concerned unit it adds the weighting according its past tolerance noise to calculate the energy of tolerance noise. Finally it quantize the audio signal by the distribution bits from the calculated energy of tolerance noise.

Inventors

  • 👤 Yoshinage Shimo
  • 👤 Kyoya Tsutsui

Bibliographic Details

Application Number —
Jurisdiction TW
Data Source google_patents
Last Synchronized 2026-11-09 08:25
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/02; H; H03; H03G; H03G7/00; H03G7/007; H04; H04B; H04B1/00; H04B1/66; H04B1/665; H04B1/667

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag