Função de autoteste de áudio do sistema telefônico industrial Introdução

Introdução

Visão geral

Este documento descreve a função de autoteste de áudio, também chamada de autoteste de eco, para dispositivos de intercomunicação industrial e porteiros eletrônicos. A função testa o alto-falante e o microfone reproduzindo áudio pelo alto-falante e capturando-o pelo microfone, permitindo diagnóstico remoto dos componentes de áudio.

Modelos aplicáveis

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

Como funciona o autoteste de áudio

O dispositivo reproduz um tom de teste pelo alto-falante e depois grava pelo microfone. Ele mede a porcentagem de áudio recebido: - Acima do limite = Teste bem-sucedido - Abaixo do limite = Falha no teste

Esquema de autoteste de áudio

                                                                                                                      Figura 1 Esquema de autoteste de áudio

Cenários de aplicação

Usado para inspeção remota de equipamentos, especialmente quando o áudio de transmissão está ausente ou interrompido. Reduz os custos de manutenção em campo e melhora a eficiência.

Pré-requisitos e ferramentas

Cena de autoteste de áudio

                                                                                                                        Figura 2 Cena de autoteste de áudio

  1. 1 intercomunicador industrial, por exemplo BHP-SOS12, switch PoE, servidor Keneng

  2. PC de configuração conectado à mesma LAN

Diagrama de conexão entre dispositivo e PC

Diagrama de conexão entre dispositivo e PC

                                             Figura 3 Diagrama de conexão entre dispositivo e PC

Guia de operação

Quatro métodos estão disponíveis para o autoteste de eco:

1. Método Active URI

Acionamento por solicitação HTTP GET a partir de um console remoto.

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

Resultado:
- Sucesso: alto-falante e microfone funcionando
- Falha: alto-falante/microfone desconectado ou com defeito

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

Autoteste de áudio por Active URI

Figura 4 Autoteste de áudio por Active URI

2. Método HTTP API

API baseada em XML para integração de terceiros.

URL da solicitação: http://device-ip/xmlservice (POST)

XML da solicitação:



URI="cmd:echo_test"

XML da resposta:



URI="cmd:echo_test"
0

Autoteste de áudio por HTTP API

Figura 5 Autoteste de áudio por HTTP API

3. Método de plano de horário

Agende o autoteste automático e envie os resultados via Action URL.

  1. Faça login na Web UI → Intercom → Time Plan → Time Plan Rule

  2. Action Type: Audio Self-Test

  3. Defina o horário de execução

Autoteste de áudio por plano de horário

Figura 6 Autoteste de áudio por plano de horário

4. Método de mensagem SIP

Execute o autoteste via servidor SIP em ambientes de rede pública.

  1. O dispositivo registra uma conta SIP no servidor

  2. Crie uma tarefa de autoteste no servidor Keneng

  3. Execute a tarefa: veja Success/Failure no servidor

Autoteste de áudio por mensagem SIP

Figura 7 Autoteste de áudio por mensagem SIP

Verificação por captura de pacotes:

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

  2. Execute o autoteste → Pare a captura

  3. Abra no Wireshark → filtre sip

  4. Verifique o corpo MESSAGE: Success / Fail

Captura de pacotes do dispositivo

Figura 8 Captura de pacotes do dispositivo

Verificar resultado via captura de pacotes

Figura 9 Verificar resultado via captura de pacotes

Solução de problemas: falha no autoteste

  1. Verificar conexões

    • Alto-falante desconectado = O teste falha

    • Microfone desconectado = O teste sempre falha

  2. Verificar componentes

    • Verifique se o alto-falante e o microfone não estão danificados

    • Entre em contato com o suporte se os componentes estiverem bons, mas o teste falhar

  3. Verificar ambiente

    • O teste usa tom de 1KHz

    • Ruído ambiente de 1KHz pode causar falso sucesso

    • Faça o teste em ambiente silencioso

Catálogo
Atendimento ao cliente Telefone
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