Panasonic DMR-BWT450 Operating Instructions Manual page 96

Reference
Specifications
Recording modes and approximate recording
times
Depending on the content being recorded, the
recording time may become shorter than
indicated.
∫ DR mode
Recording HDD
Mode
(500 GB)
DR 69 hours
(HD quality)
DR 131 hours
(SD quality)
• Recording time of DR mode may vary
depending on the bit rate of broadcasting.
- High Definition (HD) quality: estimated bit rate
is 15 Mbps
- Standard Definition (SD) quality: estimated bit
rate is 8 Mbps
• Regarding recording time remaining:
Remaining time in the DR mode is calculated
with a bit rate of 15 Mbps. But the bit rate differs
depending on the broadcast, so the displayed
remaining time might be different from the actual
remaining time.
∫ HG, HX, HE, HL, HM modes
Recording HDD
Mode
(500 GB)
HG 78 hours
HX 117 hours
HE 176 hours
HL 235 hours
HM 341 hours
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BD-RE, BD-R
Single Dual Layer
Layer
(50 GB)
(25 GB)
3 hours 6 hours
20 min. 40 min.
6 hours 13 hours
30 min.
BD-RE, BD-R
Single Dual Layer
Layer
(50 GB)
(25 GB)
4 hours 8 hours
6 hours 12 hours
9 hours 18 hours
12 hours 24 hours
17 hours 35 hours
30 min.
∫ XP, SP, LP, EP modes
Recording HDD
Mode
(500 GB)
XP 107 hours
SP 215 hours
LP 430 hours
EP 860 hours
Recording
Mode
Single-sided
(4.7 GB)
XP 1 hour
SP 2 hours
LP 4 hours
EP 8 hours
Recording DVD-R,
Mode
DVD-RW,
+R,
+RW
(4.7 GB)
XP 1 hour
SP 2 hours
LP 4 hours
EP 8 hours
• Regarding recording time remaining:
This unit records using a VBR (Variable bit rate)
data compression system to vary recorded data
segments to match video data segments which
may cause differences in the displayed amount
of time and space remaining for recording.
BD-RE, BD-R
Single Dual Layer
Layer
(50 GB)
(25 GB)
5 hours 10 hours
15 min. 30 min.
10 hours 21 hours
30 min.
21 hours 42 hours
42 hours 84 hours
DVD-RAM
Double-sided
(9.4 GB)
2 hours
4 hours
8 hours
16 hours
DVD-R DL,
+R DL
(8.5 GB)
1 hour 45 min.
3 hours 35 min.
7 hours 10 min.
14 hours 20 min.