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5
5-5. ɂɫɩɨɥɶɡɨɜɚɧɢɟ ɜɧɟɲɧɟɝɨ ɭɫɬɪɨɣɫɬɜɚ
Ⱥɭɞɢɨɫɢɫɬɟɦɚ
•ɋɨɜɦɟɫɬɢɦɵɟ ɱɚɫɬɨɬɵ ɞɢɫɤɪɟɬɢɡɚɰɢɢ
MPEG1 LAYER3: 32, 44,1, 48 (kHz) (ɤȽɰ)
MPEG2 LSF LAYER3: 16, 22,05, 24 (kHz)
(ɤȽɰ)
•ɋɨɜɦɟɫɬɢɦɵɟ ɫɤɨɪɨɫɬɢ ɩɟɪɟɞɚɱɢ
ɞɚɧɧɵɯ (ɫɨɜɦɟɫɬɢɦɵɟ ɫ VBR)
MPEG1 LAYER3: 32 - 320 (kbps (ɤɛɢɬ/ɫ))
MPEG2 LSF LAYER3: 8 - 160 (kbps
(ɤɛɢɬ/ɫ))
•ɋɨɜɦɟɫɬɢɦɵɟ ɪɟɠɢɦɵ ɤɚɧɚɥɨɜ: ɫɬɟɪɟɨ,
ɫɜɟɞɟɧɧɨɟ ɫɬɟɪɟɨ, ɞɜɭɤɚɧɚɥɶɧɵɣ ɢ
ɦɨɧɨɮɨɧɢɱɟɫɤɢɣ
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ɋɨɜɦɟɫɬɢɦɨɫɬɶ WMA-ɮɚɣɥɨɜ
•ɋɨɜɦɟɫɬɢɦɵɟ ɫɬɚɧɞɚɪɬɵ
WMA ɜɟɪɫɢɹ 7, 8, 9 (9,1/9,2)
•ɋɨɜɦɟɫɬɢɦɵɟ ɱɚɫɬɨɬɵ ɞɢɫɤɪɟɬɢɡɚɰɢɢ
32, 44,1, 48 (kHz) (ɤȽɰ)
•ɋɨɜɦɟɫɬɢɦɵɟ ɫɤɨɪɨɫɬɢ ɩɟɪɟɞɚɱɢ
ɞɚɧɧɵɯ (ɫɨɜɦɟɫɬɢɦɵ ɬɨɥɶɤɨ ɫ
2-ɤɚɧɚɥɶɧɵɦ ɜɨɫɩɪɨɢɡɜɟɞɟɧɢɟɦ)
ɜɟɪɫɢɹ 7, 8: CBR 48 - 192 (kbps (ɤɛɢɬ/ɫ))
ɜɟɪɫɢɹ 9 (9,1/9,2): CBR 48 - 320 (kbps
(ɤɛɢɬ/ɫ))
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ɋɨɜɦɟɫɬɢɦɨɫɬɶ AAC-ɮɚɣɥɨɜ
•ɋɨɜɦɟɫɬɢɦɵɟ ɫɬɚɧɞɚɪɬɵ
MPEG4/AAC-LC
•ɋɨɜɦɟɫɬɢɦɵɟ ɱɚɫɬɨɬɵ ɞɢɫɤɪɟɬɢɡɚɰɢɢ
11,025/12/16/22,05/24/32/44,1/48 (kHz
(ɤȽɰ))
•ɋɨɜɦɟɫɬɢɦɵɟ ɫɤɨɪɨɫɬɢ ɩɟɪɟɞɚɱɢ
ɞɚɧɧɵɯ (ɫɨɜɦɟɫɬɢɦɵɟ ɫ VBR)
8 - 320 (kbps (ɤɛɢɬ/ɫ))
•ɋɨɜɦɟɫɬɢɦɵɟ ɪɟɠɢɦɵ ɤɚɧɚɥɨɜ
1ch, 2ch (ɞɜɚ ɤɚɧɚɥɚ ɧɟ ɩɨɞɞɟɪɠɢɜɚɸɬɫɹ)
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ɂɦɟɧɚ ɮɚɣɥɨɜ
Ɍɨɥɶɤɨ ɮɚɣɥɵ ɫ ɪɚɫɲɢɪɟɧɢɟɦ .mp3, .wma
ɢɥɢ .m4a ɦɨɝɭɬ ɛɵɬɶ ɪɚɫɩɨɡɧɚɧɵ ɤɚɤ
MP3-/WMA-/AAC-ɮɚɣɥɵ ɢ
ɜɨɫɩɪɨɢɡɜɟɞɟɧɵ.
●
Ɍɟɝɢ ID3, WMA ɢ AAC
Ʉ MP3-ɮɚɣɥɚɦ ɦɨɝɭɬ ɞɨɛɚɜɥɹɬɶɫɹ ɬɟɝɢ
ID3, ɩɨɡɜɨɥɹɸɳɢɟ ɡɚɩɢɫɵɜɚɬɶ ɧɚɡɜɚɧɢɟ
ɞɨɪɨɠɤɢ, ɢɦɹ ɢɫɩɨɥɧɢɬɟɥɹ ɢ ɬ.ɞ.
ɋɢɫɬɟɦɚ ɫɨɜɦɟɫɬɢɦɚ ɫ ID3 ɜɟɪɫɢɹ 1.0, 1.1
ɢ ɫ ɬɟɝɚɦɢ ID3 ɜɟɪɫɢɹ 2.2, 2.3, 2.4.
(Ʉɨɥɢɱɟɫɬɜɨ ɫɢɦɜɨɥɨɜ ɨɫɧɨɜɚɧɨ ɧɚ ID3
ɜɟɪɫɢɹ 1.0 ɢ 1.1).
Ɇɟɬɤɢ WMA ɦɨɠɧɨ ɞɨɛɚɜɢɬɶ ɤ
WMA-ɮɚɣɥɚɦ, ɱɬɨ ɩɨɡɜɨɥɹɟɬ ɡɚɩɢɫɵɜɚɬɶ
ɧɚɡɜɚɧɢɟ ɞɨɪɨɠɤɢ ɢ ɢɦɹ ɢɫɩɨɥɧɢɬɟɥɹ ɬɚɤ
ɠɟ, ɤɚɤ ɫ ɢɫɩɨɥɶɡɨɜɚɧɢɟɦ ɬɟɝɨɜ ID3.
Ɍɟɝɢ AAC ɦɨɠɧɨ ɞɨɛɚɜɢɬɶ ɤ AAC-ɮɚɣɥɚɦ,
ɱɬɨ ɩɨɡɜɨɥɹɟɬ ɡɚɩɢɫɵɜɚɬɶ ɧɚɡɜɚɧɢɟ
ɞɨɪɨɠɤɢ ɢ ɢɦɹ ɢɫɩɨɥɧɢɬɟɥɹ ɬɚɤ ɠɟ, ɤɚɤ ɫ
ɢɫɩɨɥɶɡɨɜɚɧɢɟɦ ɬɟɝɨɜ ID3.
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ȼɨɫɩɪɨɢɡɜɟɞɟɧɢɟ MP3-, WMA- ɢ
AAC-ɮɚɣɥɨɜ
•Ʉɨɝɞɚ ɩɨɞɤɥɸɱɟɧɨ ɭɫɬɪɨɣɫɬɜɨ,
ɫɨɞɟɪɠɚɳɟɟ MP3-, WMA- ɢɥɢ
AAC-ɮɚɣɥɵ, ɜɫɟ ɮɚɣɥɵ ɧɚ
USB-ɧɚɤɨɩɢɬɟɥɟ ɛɭɞɭɬ ɩɪɨɜɟɪɟɧɵ.
ɉɨɫɥɟ ɨɤɨɧɱɚɧɢɹ ɩɪɨɜɟɪɤɢ ɮɚɣɥɨɜ
ɜɨɫɩɪɨɢɡɜɨɞɢɬɫɹ ɩɟɪɜɵɣ MP3-, WMA-
ɢɥɢ AAC-ɮɚɣɥ. Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɩɪɨɜɟɪɤɚ
ɮɚɣɥɚ ɡɚɤɨɧɱɢɥɚɫɶ ɛɵɫɬɪɟɟ,
ɪɟɤɨɦɟɧɞɭɟɦ ɧɟ ɜɤɥɸɱɚɬɶ ɧɢɤɚɤɢɟ
ɮɚɣɥɵ, ɤɪɨɦɟ MP3-, WMA- ɢɥɢ
AAC-ɮɚɣɥɨɜ, ɢ ɧɟ ɫɨɡɞɚɜɚɬɶ ɧɟɧɭɠɧɵɯ
ɩɚɩɨɤ.
•Ʉɨɝɞɚ ɩɨɞɤɥɸɱɟɧɨ USB-ɭɫɬɪɨɣɫɬɜɨ ɢ ɜ
ɤɚɱɟɫɬɜɟ ɚɭɞɢɨɢɫɬɨɱɧɢɤɚ ɜɵɛɪɚɧ ɪɟɠɢɦ
USB-ɧɚɤɨɩɢɬɟɥɹ, USB ɭɫɬɪɨɣɫɬɜɨ
ɧɚɱɧɟɬ ɜɨɫɩɪɨɢɡɜɟɞɟɧɢɟ ɩɟɪɜɨɝɨ ɮɚɣɥɚ
ɜ ɩɟɪɜɨɣ ɩɚɩɤɟ. ȿɫɥɢ ɨɬɫɨɟɞɢɧɢɬɶ ɢ
ɡɚɧɨɜɨ ɩɨɞɤɥɸɱɢɬɶ ɷɬɨ ɠɟ ɭɫɬɪɨɣɫɬɜɨ
(ɩɪɢ ɭɫɥɨɜɢɢ, ɱɬɨ ɟɝɨ ɫɨɞɟɪɠɢɦɨɟ ɧɟ
ɢɡɦɟɧɹɥɨɫɶ), ɜɨɫɩɪɨɢɡɜɟɞɟɧɢɟ
USB-ɧɚɤɨɩɢɬɟɥɹ ɩɪɨɞɨɥɠɢɬɫɹ ɫ ɬɨɝɨ
ɦɟɫɬɚ, ɧɚ ɤɨɬɨɪɨɦ ɨɧɨ ɛɵɥɨ
ɨɫɬɚɧɨɜɥɟɧɨ ɜ ɩɪɨɲɥɵɣ ɪɚɡ.
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Ɋɚɫɲɢɪɟɧɢɹ
ȿɫɥɢ ɪɚɫɲɢɪɟɧɢɹ ɮɚɣɥɨɜ .mp3, .wma ɢ
.m4a ɢɫɩɨɥɶɡɭɸɬɫɹ ɞɥɹ ɮɚɣɥɨɜ, ɨɬɥɢɱɧɵɯ
ɨɬ MP3-, WMA- ɢ AAC-ɮɚɣɥɨɜ, ɨɧɢ ɦɨɝɭɬ
ɛɵɬɶ ɩɪɨɩɭɳɟɧɵ (ɧɟ ɜɨɫɩɪɨɢɡɜɟɞɟɧɵ).
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ȼɨɫɩɪɨɢɡɜɟɞɟɧɢɟ
•Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɜɨɫɩɪɨɢɡɜɨɞɢɬɶ
MP3-ɮɚɣɥɵ ɫ ɭɫɬɨɣɱɢɜɨ ɯɨɪɨɲɢɦ
ɤɚɱɟɫɬɜɨɦ ɡɜɭɤɚ, ɪɟɤɨɦɟɧɞɭɟɦ
ɢɫɩɨɥɶɡɨɜɚɬɶ ɮɢɤɫɢɪɨɜɚɧɧɭɸ ɫɤɨɪɨɫɬɶ
ɩɟɪɟɞɚɱɢ ɞɚɧɧɵɯ ɧɟ ɦɟɧɟɟ 128 kbps
(ɤɛɢɬ/ɫ) ɢ ɱɚɫɬɨɬɭ ɞɢɫɤɪɟɬɢɡɚɰɢɢ 44,1
kHz (ɤȽɰ).
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