JPH02130141U - - Google Patents
Info
- Publication number
- JPH02130141U JPH02130141U JP3956389U JP3956389U JPH02130141U JP H02130141 U JPH02130141 U JP H02130141U JP 3956389 U JP3956389 U JP 3956389U JP 3956389 U JP3956389 U JP 3956389U JP H02130141 U JPH02130141 U JP H02130141U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- line
- decoding
- audio
- disconnection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Description
第１図は本考案の一実施例による音声復号化装
置のブロツク図、第２図は第１図の回線断検出回
路の詳細ブロツク図、第３図は通常の入力信号フ
レームフオーマツトを示す図、第４図は従来の音
声復号化装置のブロツク図である。
１２……同期回路、１３……回線断検出回路、
１４……復号化回路。
Fig. 1 is a block diagram of an audio decoding device according to an embodiment of the present invention, Fig. 2 is a detailed block diagram of the line disconnection detection circuit of Fig. 1, and Fig. 3 is a diagram showing a normal input signal frame format. , FIG. 4 is a block diagram of a conventional audio decoding device. 12...Synchronization circuit, 13...Line disconnection detection circuit,
14...Decoding circuit.
Claims (1)
号を同期回路を経て復号化回路により復号する音
声復号化装置において、前記同期回路と前記復号
化回路との間に、その回線断後に入力される不定
ビツトを検出する回線断検出回路を設け、この検
出結果に基づき前記復号化回路のアナログ音声出
力を停止させるようにしたことを特徴とする音声
復号化装置。 In an audio decoding device in which a digital audio input signal sent from a transmission line is decoded by a decoding circuit via a synchronization circuit, an indefinite bit input after the line is disconnected is provided between the synchronization circuit and the decoding circuit. 1. An audio decoding device, comprising: a line disconnection detection circuit for detecting a disconnection of a line; and based on the detection result, analog audio output of the decoding circuit is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3956389U JPH02130141U (en) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3956389U JPH02130141U (en) | 1989-04-05 | 1989-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130141U true JPH02130141U (en) | 1990-10-26 |
Family
ID=31548586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3956389U Pending JPH02130141U (en) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130141U (en) |
-
1989
- 1989-04-05 JP JP3956389U patent/JPH02130141U/ja active Pending
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