工業電話系統音頻自檢功能介紹

介紹

概述

本文件說明工業對講與門禁電話設備的音訊自檢,也稱為回聲自檢功能。 該功能透過喇叭播放音訊,並由麥克風擷取音訊,以測試喇叭與麥克風,從而實現音訊元件的遠端診斷。

適用型號

BHP-SOS12, BHP-SOS11, BHP-SOS16V, BHP-SOS18, Bi20S, Bi30, Bi32V, Bi33V, BHP-SOS10V, BK-DAB-PA3, BK-DAB-PA2S

音訊自檢的工作原理

設備透過喇叭播放測試音,然後透過麥克風錄音。設備會測量接收到的音訊百分比: - 高於閾值 = 測試成功 - 低於閾值 = 測試失敗

音訊自檢示意圖

                                                                                                                      圖 1 音訊自檢示意圖

應用場景

用於遠端設備巡檢,特別適用於廣播音訊缺失或中斷的情況。 可降低現場維護成本並提升效率。

前置條件與工具

音訊自檢場景

                                                                                                                        圖 2 音訊自檢場景

  1. 1 台工業對講設備,例如 BHP-SOS12、PoE 交換器、Keneng 伺服器

  2. 連接至同一 LAN 的設定電腦

設備與電腦連線示意圖

設備與電腦連線示意圖

                                             圖 3 設備與電腦連線示意圖

操作指南

回聲自檢提供以下四種方法:

1. Active URI 方法

透過遠端控制台發送 HTTP GET 請求觸發。

格式: http://device-ip/cgi-bin/ConfigManApp.com?key=ECHO_TEST

結果:
- 成功:喇叭與麥克風正常工作
- 失敗:喇叭/麥克風斷開或故障

範例: http://172.18.8.15/cgi-bin/ConfigManApp.com?key=ECHO_TEST

Active URI 音訊自檢

圖 4 Active URI 音訊自檢

2. HTTP API 方法

基於 XML 的 API,用於第三方整合。

請求 URL: http://device-ip/xmlservice (POST)

請求 XML:



URI="cmd:echo_test"

回應 XML:



URI="cmd:echo_test"
0

HTTP API 音訊自檢

圖 5 HTTP API 音訊自檢

3. 時間計畫方法

排程自動自檢,並透過 Action URL 回報結果。

  1. 登入 Web UI → Intercom → Time Plan → Time Plan Rule

  2. Action Type: Audio Self-Test

  3. 設定執行時間

時間計畫音訊自檢

圖 6 時間計畫音訊自檢

4. SIP 訊息方法

在公網環境中透過 SIP 伺服器執行自檢。

  1. 設備在伺服器上註冊 SIP 帳號

  2. 在 Keneng 伺服器上建立自檢任務

  3. 執行任務:在伺服器上查看 Success/Failure

SIP 訊息音訊自檢

圖 7 SIP 訊息音訊自檢

封包擷取驗證:

  1. Web UI → System → Tools → Packet Capture → Start

  2. 執行自檢 → 停止擷取

  3. 在 Wireshark 中開啟 → 篩選 sip

  4. 檢查 MESSAGE 內容:Success / Fail

設備封包擷取

圖 8 設備封包擷取

透過封包擷取檢查結果

圖 9 透過封包擷取檢查結果

故障排查:自檢失敗

  1. 檢查連線

    • 喇叭斷開 = 測試失敗

    • 麥克風斷開 = 測試一定失敗

  2. 檢查元件

    • 確認喇叭與麥克風未損壞

    • 若元件正常但測試失敗,請聯絡支援

  3. 檢查環境

    • 測試使用 1KHz 音調

    • 環境中的 1KHz 噪音可能造成誤判成功

    • 請在安靜環境中測試

目錄
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