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현재 버전 게시자: oldturkey03 ,

텍스트:

The audio jack is actually a '''4-pin''' connector. The additional pin is for the mic input.
1 Tip Left audio
2 Ring Right audio
3 Ring Common/Ground
4 Sleeve Microphone
Since the iPods have some 60mw output (30mw per channel) I would put the iPhone into that range.
-Here is some other audio data comparisons:
-Frequency Response iPad2 iPhone4 iPod classic 6th
-(from 40 Hz to 15 kHz), dB: +0.04, -0.55 +0.02, -0.16 +0.03, -0.18
-Noise level, dB (A): -90.3 -90.2 -90.2
-Dynamic range, dB (A): 90.2 90.2 90.2
-THD, %: 0.0045 0.0068 0.0049
-IMD + Noise, %: 0.0098 0.012 0.010
-Stereo crosstalk, dB: -49.2 -72.4 -67.5
+
+Here is some other audio data comparisons:
+
+Frequency Response iPad2; iPhone4; iPod classic 6th;
+
+(from 40 Hz to 15 kHz), dB: +0.04, -0.55 ; +0.02, -0.16; +0.03, -0.18;
+
+Noise level, dB (A): -90.3; -90.2 ; -90.2;
+
+Dynamic range, dB (A): 90.2; 90.2; 90.2;
+
+THD, %: 0.0045; 0.0068; 0.0049;
+
+IMD + Noise, %: 0.0098; 0.012; 0.010;
+
+Stereo crosstalk, dB: -49.2; -72.4; -67.5;
+
[http://sonove.angry.jp/Comparison_iPad2_iPhone4_classic.htm|Source.]

현황:

open

편집자: oldturkey03 ,

텍스트:

The audio jack is actually a '''4-pin''' connector. The additional pin is for the mic input.
1 Tip Left audio
2 Ring Right audio
3 Ring Common/Ground
4 Sleeve Microphone
Since the iPods have some 60mw output (30mw per channel) I would put the iPhone into that range.
+Here is some other audio data comparisons:
+Frequency Response iPad2 iPhone4 iPod classic 6th
+(from 40 Hz to 15 kHz), dB: +0.04, -0.55 +0.02, -0.16 +0.03, -0.18
+Noise level, dB (A): -90.3 -90.2 -90.2
+Dynamic range, dB (A): 90.2 90.2 90.2
+THD, %: 0.0045 0.0068 0.0049
+IMD + Noise, %: 0.0098 0.012 0.010
+Stereo crosstalk, dB: -49.2 -72.4 -67.5
+[http://sonove.angry.jp/Comparison_iPad2_iPhone4_classic.htm|Source.]

현황:

open

원문 게시자: oldturkey03 ,

텍스트:

The audio jack is actually a '''4-pin''' connector. The additional pin is for the mic input.

1     Tip     Left audio

2     Ring     Right audio

3     Ring     Common/Ground

4     Sleeve      Microphone

Since the iPods have some 60mw output (30mw per channel) I would put the iPhone into that range.

현황:

open