最終更新:2022-11-29 (火) 12:32:05 (506d)
speaker-test
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command-line speaker test tone generator for ALSA
メモ
- 左右を試す: -c2
例
speaker-test 1.1.3 Playback device is default Stream parameters are 48000Hz, S16_LE, 1 channels Using 16 octaves of pink noise Rate set to 48000Hz (requested 48000Hz) Buffer size range from 192 to 2097152 Period size range from 64 to 699051 Using max buffer size 2097152 Periods = 4 was set period_size = 524288 was set buffer_size = 2097152 0 - Front Left Time per period = 10.951065 0 - Front Left Time per period = 10.938699 0 - Front Left Time per period = 10.935455
help
speaker-test 1.2.2 Usage: speaker-test [OPTION]... -h,--help help -D,--device playback device -r,--rate stream rate in Hz -c,--channels count of channels in stream -f,--frequency sine wave frequency in Hz -F,--format sample format -b,--buffer ring buffer size in us -p,--period period size in us -P,--nperiods number of periods -t,--test pink=use pink noise, sine=use sine wave, wav=WAV file -l,--nloops specify number of loops to test, 0 = infinite -s,--speaker single speaker test. Values 1=Left, 2=right, etc -w,--wavfile Use the given WAV file as a test sound -W,--wavdir Specify the directory containing WAV files -m,--chmap Specify the channel map to override -X,--force-frequency force frequencies outside the 30-8000hz range -S,--scale Scale of generated test tones in percent (default=80) Recognized sample formats are: S8 S16_LE S16_BE FLOAT_LE S24_3LE S24_3BE S32_LE S32_BE
