討論[簡單測試]網絡傳輸對網絡播放器及不同系統的影響

PhantomGTR

karsonkwan 發表於 2014-8-5 16:08
未。。。

Replacing mpd:

1. remountrw
   
2. apt-get update
   
3. apt-get upgrade
   
4. wget http://www2.voyage.hk/dists/experimental/mpd/mpd_0.17.6-1_i386.deb
   
5. dpkg -i mpd_0.17.6-1_i386.deb
   
6. apt-get update
   
7. apt-get -f install

複製代碼

呢段 for voyage mpd kit 2.0 only.
Replacing with Japanese RT kernel in Kit 2.0:

1. wget http://mimizukobo.sakura.ne.jp/upload/linux-image-3.14.12-rt9-40719d_3.14.12-rt9-40719d-10.00.Custom_i386.deb
   
2. dpkg -i linux-image-3.14.12-rt9-40719d_3.14.12-rt9-40719d-10.00.Custom_i386.deb

複製代碼

Then you may also add "clocksource=hpet" in /boot/grub/menu.lst, after "console=ttyS0,115200n8" at line 13, such that:

kernel /vmlinuz root=LABEL=VOYAGE_FS  console=ttyS0,115200n8 clocksource=hpet

then reboot.

karsonkwan

PhantomGTR 發表於 2014-8-5 16:12
Replacing mpd:呢段 for voyage mpd kit 2.0 only.
Replacing with Japanese RT kernel in Kit 2.0:Then  ...

呢排試緊個鐘。。。。我怕downgrade左唔岩聽又多樣野煩。

PhantomGTR

karsonkwan 發表於 2014-8-5 18:23
呢排試緊個鐘。。。。我怕downgrade左唔岩聽又多樣野煩。

我試了，你放心去馬。
而且，install 返原裝套 voyage mpd 0.92 都係好快既事。

karsonkwan

PhantomGTR 發表於 2014-8-5 18:25
我試了，你放心去馬。
而且，install 返原裝套 voyage mpd 0.92 都係好快既事。 ...

我想問點解你會知果個version靚聲d?  唔通你逐個逐個試。。。

PhantomGTR

karsonkwan 發表於 2014-8-5 18:30
我想問點解你會知果個version靚聲d?  唔通你逐個逐個試。。。

總之我試過啦，你都快D試下。

karsonkwan

PhantomGTR 發表於 2014-8-5 18:33
總之我試過啦，你都快D試下。

學草哥話齋，人類聽覺既記憶係好短暫的，我比較特別。。。只有15秒到。。。如果中間你同我講野就得3秒
如果你downgarde 完都聽得出分別，咁真係天與地的分別。。。

william02

karsonkwan 發表於 2014-8-5 18:39
學草哥話齋，人類聽覺既記憶係好短暫的，我比較特別。。。只有15秒到。。。如果中間你同我講野就得3秒 {: ...

因為真係幾誇張。。。
(Post76 Android 手機版送出)

karsonkwan

咁我比小小Voyage MPD Kit 2.0 同QNAP 469L 資料大家參考下, 不過唔係整理得好好, 大家要花D時間睇

QNAP 469L (藍色)
IP: 192.168.1.1

Voyae MPD Kit 2.0 (紅色)
IP: 192.168.1.2

CAT7 直駁 兩邊都係1000Mbits/sec MTU 9000



MPD to QNAP

^Croot@voyage:~# iperf -c 192.168.1.1
------------------------------------------------------------
Client connecting to 192.168.1.1, TCP port 5001
TCP window size: 94.2 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.2 port 47682 connected with 192.168.1.1 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  1.10 GBytes   942 Mbits/sec

[  4] local 192.168.1.1 port 5001 connected with 192.168.1.2 port 47682
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0- 1.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  1.0- 2.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  2.0- 3.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  3.0- 4.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  4.0- 5.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  5.0- 6.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  6.0- 7.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  7.0- 8.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  8.0- 9.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  9.0-10.0 sec  0.00 Bytes  0.00 bits/sec
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-10.0 sec  1.10 GBytes    941 Mbits/sec


QNAP to MPD

^C[~] # iperf -c 192.168.1.2
------------------------------------------------------------
Client connecting to 192.168.1.2, TCP port 5001
TCP window size: 22.5 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.1 port 59717 connected with 192.168.1.2 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  1.10 GBytes    943 Mbits/sec

root@voyage:~# iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  4] local 192.168.1.2 port 5001 connected with 192.168.1.1 port 59717
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0- 1.0 sec   112 MBytes   936 Mbits/sec
[  4]  1.0- 2.0 sec   112 MBytes   941 Mbits/sec
[  4]  2.0- 3.0 sec   112 MBytes   942 Mbits/sec
[  4]  3.0- 4.0 sec   112 MBytes   942 Mbits/sec
[  4]  4.0- 5.0 sec   112 MBytes   942 Mbits/sec
[  4]  5.0- 6.0 sec   112 MBytes   942 Mbits/sec
[  4]  6.0- 7.0 sec   112 MBytes   942 Mbits/sec
[  4]  7.0- 8.0 sec   112 MBytes   942 Mbits/sec
[  4]  8.0- 9.0 sec   112 MBytes   942 Mbits/sec
[  4]  9.0-10.0 sec   112 MBytes   942 Mbits/sec
[  4]  0.0-10.0 sec  1.10 GBytes   941 Mbits/sec


QNAP to MPD

[~] # iperf -c 192.168.1.2 -u -b 2m
------------------------------------------------------------
Client connecting to 192.168.1.2, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size:   208 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.1 port 34302 connected with 192.168.1.2 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec
[  3] Sent 1702 datagrams
[  3] Server Report:
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec  0.025 ms    0/ 1702 (0%)


root@voyage:~# iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  4] local 192.168.1.2 port 5001 connected with 192.168.1.1 port 59717
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0- 1.0 sec   112 MBytes   936 Mbits/sec
[  4]  1.0- 2.0 sec   112 MBytes   941 Mbits/sec
[  4]  2.0- 3.0 sec   112 MBytes   942 Mbits/sec
[  4]  3.0- 4.0 sec   112 MBytes   942 Mbits/sec
[  4]  4.0- 5.0 sec   112 MBytes   942 Mbits/sec
[  4]  5.0- 6.0 sec   112 MBytes   942 Mbits/sec
[  4]  6.0- 7.0 sec   112 MBytes   942 Mbits/sec
[  4]  7.0- 8.0 sec   112 MBytes   942 Mbits/sec
[  4]  8.0- 9.0 sec   112 MBytes   942 Mbits/sec
[  4]  9.0-10.0 sec   112 MBytes   942 Mbits/sec
[  4]  0.0-10.0 sec  1.10 GBytes   941 Mbits/sec



UTP QNAP to MPD

[~] # iperf -c 192.168.1.2 -u -b 2m
------------------------------------------------------------
Client connecting to 192.168.1.2, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size:   208 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.1 port 55252 connected with 192.168.1.2 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec
[  3] Sent 1702 datagrams
[  3] Server Report:
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec  0.052 ms    0/ 1702 (0%)



root@voyage:~# iperf -s -u -i 1
------------------------------------------------------------
Server listening on UDP port 5001
Receiving 1470 byte datagrams
UDP buffer size:  160 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.2 port 5001 connected with 192.168.1.1 port 55252
[ ID] Interval       Transfer     Bandwidth        Jitter   Lost/Total Datagrams
[  3]  0.0- 1.0 sec   244 KBytes  2.00 Mbits/sec   0.021 ms    0/  170 (0%)
[  3]  1.0- 2.0 sec   244 KBytes  2.00 Mbits/sec   0.028 ms    0/  170 (0%)
[  3]  2.0- 3.0 sec   244 KBytes  2.00 Mbits/sec   0.062 ms    0/  170 (0%)
[  3]  3.0- 4.0 sec   244 KBytes  2.00 Mbits/sec   0.033 ms    0/  170 (0%)
[  3]  4.0- 5.0 sec   244 KBytes  2.00 Mbits/sec   0.034 ms    0/  170 (0%)
[  3]  5.0- 6.0 sec   244 KBytes  2.00 Mbits/sec   0.029 ms    0/  170 (0%)
[  3]  6.0- 7.0 sec   244 KBytes  2.00 Mbits/sec   0.041 ms    0/  170 (0%)
[  3]  7.0- 8.0 sec   244 KBytes  2.00 Mbits/sec   0.032 ms    0/  170 (0%)
[  3]  8.0- 9.0 sec   244 KBytes  2.00 Mbits/sec   0.037 ms    0/  170 (0%)
[  3]  9.0-10.0 sec   244 KBytes  2.00 Mbits/sec   0.057 ms    0/  170 (0%)
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec   0.053 ms    0/ 1702 (0%)


UTP MPD to QNAP


root@voyage:~# iperf -c 192.168.1.1 -u -b 2m
------------------------------------------------------------
Client connecting to 192.168.1.1, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size:  160 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.2 port 41492 connected with 192.168.1.1 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec
[  3] Sent 1702 datagrams
[  3] Server Report:
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec   0.015 ms    0/ 1702 (0%)




[~] # iperf -s -u -i 1
------------------------------------------------------------
Server listening on UDP port 5001
Receiving 1470 byte datagrams
UDP buffer size:   208 KByte (default)
------------------------------------------------------------
[  3] local 192.168.1.1 port 5001 connected with 192.168.1.2 port 41492
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  0.0- 1.0 sec    244 KBytes  2.00 Mbits/sec  0.021 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  1.0- 2.0 sec    244 KBytes  2.00 Mbits/sec  0.016 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  2.0- 3.0 sec    244 KBytes  2.00 Mbits/sec  0.016 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  3.0- 4.0 sec    244 KBytes  2.00 Mbits/sec  0.027 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  4.0- 5.0 sec    244 KBytes  2.00 Mbits/sec  0.018 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  5.0- 6.0 sec    244 KBytes  2.00 Mbits/sec  0.015 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  6.0- 7.0 sec    244 KBytes  2.00 Mbits/sec  0.015 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  7.0- 8.0 sec    244 KBytes  2.00 Mbits/sec  0.019 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  8.0- 9.0 sec    244 KBytes  2.00 Mbits/sec  0.016 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  9.0-10.0 sec    244 KBytes  2.00 Mbits/sec  0.016 ms    0/  170 (0%)
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
[  3]  0.0-10.0 sec  2.39 MBytes  2.00 Mbits/sec  0.016 ms    0/ 1702 (0%)

obee

karsonkwan 發表於 2014-8-6 05:36
咁我比小小Voyage MPD Kit 2.0 同QNAP 469L 資料大家參考下, 不過唔係整理得好好, 大家要花D時間睇

QNAP  ...

What's the conclusion?

karsonkwan

obee 發表於 2014-8-6 09:58
What's the conclusion?

睇黎MPD 對QNAP 網絡上既JITTER 都唔太高, buffer應可解決問題.
但係通常D人講緊CAS 最煩既JITTER 問題, 應該係講緊由MUSIC PLAYER 到 DAC 既JITTER?