![Nexcom EBC-3A1 Series User Manual Download Page 41](http://html.mh-extra.com/html/nexcom/ebc-3a1-series/ebc-3a1-series_user-manual_1681443041.webp)
41
Audio Example
Example Commands:
#1: Play test.wav audio file:
root@ICM-3011:~# aplay test.wav
Playing WAVE '
test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
#2: Get Headphone volume:
root@ICM-3011:~# amixer get "Headphone"
Simple mixer control 'Headphone',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 50 [39%] [-71.00dB]
Front Right: Playback 50 [39%] [-71.00dB]
#3: Set Headphone volume to 127:
root@ICM-3011:~# amixer set "Headphone" 127
Simple mixer control 'Headphone',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 127 [100%] [6.00dB]
Front Right: Playback 127 [100%] [6.00dB]
#4: Test audio playback by speaker-test via headphone jack:
root@ICM-3011:~# speaker-test --device hw:0,0 --rate 48000 --channels 2 --
format S16_LE --test wav
speaker-test 1.0.27.2
Playback device is hw:0,0
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 64 to 16384
Summary of Contents for EBC-3A1 Series
Page 9: ...9 ...
Page 10: ...10 Chapter 1 Product Overview This chapter provides background information of EBC 3A1 ...
Page 13: ...13 1 3 Block Diagram ...
Page 24: ...24 2 4 Mechanical Drawing ...
Page 25: ...25 Chapter 3 Software User Guide This chapter details the Linux operation on EBC 3A1 ...
Page 65: ...65 Chapter 5 BSP This chapter introduces how to get board BSP board support package ...