LINDOS AUDIO SEQUENCE TEST Apple - iPod - MP3 Player SOURCE MS10 V3.0 AL = -6dBu, EQ - flat, Vol - Full 13-Mar-06 07:07 PM FREQUENCY RESPONSE [u] 0dB^1^2 20Hz -00.37 -00.50 31Hz -00.12 -00.12 40Hz 00.00 00.00 50Hz 00.00 -00.12 100Hz 00.00 00.00 315Hz 00.00 00.00 1k0 00.00 00.00 6k3 00.00 00.00 10k0 -00.12 -00.12 12k5 -00.12 -00.12 14k0 -00.12 -00.12 16k0 -00.12 -00.12 20k0 -00.25 -00.25 25k0 -14.87 -14.75 TEST LEVEL OUT 1kHz [t] TL dB -08.76 -08.72 DELms NOISE ITU-468 Q-Pk REL [n] WTD -62.48 -62.11 PHASE R-L [z]^3 3k15 24.00 10k0 72.00 15k0 100.00 DIST RES 1kHz WTD REL [r]^7^8/q -20dB -41.67 -41.90 0dB -61.39 -61.23 +8dB -68.30 -68.18 +12dB -70.62 -70.12 +15dB -70.70 -70.67 +18dB -39.29 -53.21 LEVEL VS LEVEL [h]^5^6 COMMENTS: iPod Video tested using MS10 Sequence 3 and Segment h at -18dB FS with Noise shaping. Composite results sheet. The iPod has a very good frequency response and noise and distortion performance. The iPod would pass Lindos Grade A were it a) not clipping on the +18dB distortion measurement and b) not giving a poor high frequency phase response (caused by their use of a single DAC (Digital to Analogue Convertor) - stardard cost saving measure across all MP3 players and only really an issue when both channels are being summed to provide a mono signal). Note that the iPod almost has 18dB of headroom (EBU standard) above its maximum volume setting. Graph, 1 5, 122 Hz,dB 1 20 20000 61 ÿ ÿàÿ ÿ ÿàÿà ÿàÿàÿàÿàÿàÿàÿàÿÀGraph, 1 5, 122 Hz,dB 2 20 20000 61 ÿ€ÿàÿÀÿ ÿàÿàÿàÿàÿàÿàÿàÿàÿàÿàÿàÿàÿàÿàÿÀGraph, 1 5, 122 Hz,° 3 20 20000 61   $)-29?Graph, 0 5, 122 dB,dB 5 0 20 61 ÿàÿàÿàÿàààààààààààààààààààààààà à à à à à à àààààààà€€    Graph, 0 5, 122 dB,dB 6 0 20 61 à ÀÀÀÀÀÀGraph, 4 5, 16 dB,dB 7 0 24 8 ¦Á…ÖTœ»³¹a¹MصGraph, 4 5, 16 dB,dB 8 0 24 8 ¦ÁãÖÂĻѹà¹TÊÉTOL,"Lindos GradeB" !3 w±1,±2,? uvs+3-6,±3,±2,,,,,,,,±3,? nm-50 l?,-47,-50 r-25,-30,-30,-30,-30,? c-40,-40, e±1 z±45,±90,? z±45,±90,? €           €    €Graph, 1 5, 122 Hz,dB 3 20 20000 61 @€€€`` ```@ àà €€@@ àÀ €` À `@ÿÀÿ€ÿ@ÿþ þ€þ þýÀý€ý@ýüÀü€ü ûàû û`û úÀú`ú@úùàùÀù€Graph, 1 5, 122 Hz,dB 4 20 20000 61 @€ €`` ``@@ àÀÀ€``  àÀ `@ À `@ÿÀÿ€ÿ@þàþ þ€þ@þýÀý€ý@ýüÀü€ü ûàû û`ûúÀú€ú@ú ùàùÀù€Graph, 1 5, 122 Hz,dB 5 20 20000 61 @ ÀÀ€ àÀÀÀààà  @`€€ ÀÀààÀ €@ à ` ÿà@`€à@€À@€À ` à @€€€Graph, 1 5, 122 Hz,dB 6 20 20000 61 @  À€ àÀÀÀààà @@`€ ÀÀÀÀÀ €@ à ` ÿàÿàÿà@`€À@€À@€Àà ` à @€€€Graph, 1 5, 122 Hz,dB 7 20 20000 61 ÷€÷Àø ø@ø ø@øÀøÀù`ùÀúú`ú úàû û`û ûàüü`ü€üàýý`ý ýàþ@þ€þÀÿÿ@ÿ€ÿÀÿà @@@@@ ÿàÿÀÿ€ÿ@ÿþ þ`ýàý ý üÀü€ü ûÀû€û@Graph, 1 5, 122 Hz,dB 8 20 20000 61 ÷€÷Àø ø@ø@ø@øÀøàù ùÀú ú`ú ûû@û`û ûàü@ü`ü€üàý ý`ýÀýàþ@þ€þàÿ ÿ`ÿ ÿÀÿà @@@@@@@ ÿàÿÀÿ€ÿ@ÿþÀþ`þýÀý@üàü€ü@ûàû û@Graph, 1 5, 122 Hz,dB 9 20 20000 61  àÀÀàÀÀÀ €€@à€€@ @À@À` @ÿàÿÀÿà@€À@`  Àà @`€ à@   €ààGraph, 1 5, 122 Hz,dB 10 20 20000 61 €àÀÀàÀÀÀ €`@à€€@ @À@À` @ÿÀÿÀÿÀ €À@`  Àà @`€ à    €ààGraph, 1 5, 122 Hz,dB 11 20 20000 61 þÀÿ ÿ@ÿ@ÿ ÿ ÿ`ÿ@ÿ@ÿ ÿ@ÿ@ÿ`ÿ@ÿ`ÿ`ÿ`ÿ@ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ€ÿ€ÿ€ÿ€ÿ ÿÀÿÀÿà ` @  `À €à `€Àà  @@@@ Graph, 1 5, 122 Hz,dB 12 20 20000 61 þÀÿ ÿ@ÿ@ÿÿÿ@ÿ ÿ ÿ ÿ@ÿ`ÿ`ÿ@ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ`ÿ€ÿ€ÿ€ÿ ÿ ÿÀÿÀ ` à@€`À €à`€ Àà   @@@