|
|
|
|
The sound file is 31 s. The tone frequencies are 800, 900 and 700 Hz. The period time is 2.4 s and the time of tone is 0.8 s. Extension of sound file: .aif The sound file is being downloaded at this web page. Back |
|
|
|
|
The sound file is 31 s. The tone frequencies are 800, 900 and 700 Hz. The period time is 2.4 s and the time of tone is 0.8 s. Extension of sound file: .aif The sound file is being downloaded at this web page. Back |