sig@debian:~$ ecasound -ev -i /dev/dsp1
****************************************************************************
*               ecasound v2.0.3 (C) 1997-2001 Kai Vehmanen                 *
****************************************************************************
- [ Chainsetup/Adding chain operator "Volume-analyze" ] --------------------
Setting parameters: cumulative-mode = 1.00, result-max-multiplier = 1.00
- [ Chainsetup/Enabling audio inputs ] -------------------------------------
(eca-audio-objects) Audio object "/dev/dsp1", mode "read".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
- [ Chainsetup/Enabling audio outputs ] ------------------------------------
(eca-audio-objects) Audio object "/dev/dsp", mode "write".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
- [ Engine/Init - mixmode "simple" ] ---------------------------------------
- [ Engine/Exiting ] -------------------------------------------------------
(audiofx) -- Amplitude statistics -----------------------------
Range, pos/neg, count,(%), ch1...n
Pos   -1.0 dB: 	 25885,1.94%		 29185,2.18%	
Pos   -2.0 dB: 	 7693,0.58%		 7595,0.57%	
Pos   -4.0 dB: 	 19457,1.46%		 18222,1.36%	
Pos   -8.0 dB: 	 64540,4.83%		 61128,4.57%	
Pos  -16.0 dB: 	 223825,16.75%		 219283,16.41%	
Pos  -32.0 dB: 	 267091,19.99%		 275292,20.60%	
Pos  -64.0 dB: 	 56316,4.21%		 57832,4.33%	
Pos -inf.0 dB: 	 2337,0.17%		 2425,0.18%	
Neg -inf.0 dB: 	 2315,0.17%		 2393,0.18%	
Neg  -64.0 dB: 	 56739,4.25%		 57411,4.30%	
Neg  -32.0 dB: 	 268665,20.10%		 270983,20.28%	
Neg  -16.0 dB: 	 224683,16.81%		 217492,16.28%	
Neg   -8.0 dB: 	 63914,4.78%		 60383,4.52%	
Neg   -4.0 dB: 	 19194,1.44%		 19124,1.43%	
Neg   -2.0 dB: 	 7617,0.57%		 7723,0.58%	
Neg   -1.0 dB: 	 26049,1.95%		 29849,2.23%	
(audiofx) Peak amplitude, period: pos=0.99997 neg=1.00000.
(audiofx) Peak amplitude, all   : pos=0.99997 neg=1.00000.
(audiofx) Clipped samples, period: pos=24244 neg=23355.
(audiofx) Clipped samples, all   : pos=24244 neg=23355.
(audiofx) Max gain without clipping, all: 1.00000.
(audiofx) -- End of statistics --------------------------------