# cat /proc/cpuinfo
processor	: 0
BogoMIPS	: 108.00
Features	: fp asimd crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3
Hardware	: BCM2835
Revision	: c03115
Serial		: 10000000d17cc8da
Model		: Raspberry Pi 4 Model B Rev 1.5
smpdサイトにRev 1.5の場合は
「config.txtのarm_freqコメントアウトで正常動作を確認済み。」とある。
で!その状態でクロック周波数はどうなっているのか?
# vcgencmd measure_clock arm
frequency(48)=648158208
  smpdplayer v0.10 8/14 へ移行完了
へへ! 良いじゃん。フルスペックで!
$ ./a.out -D hw:vsound
Available formats:
- S16_LE
- S24_LE
- S32_LE
Available rates:
- 44100
- 48000
- 88200
- 96000
- 176400
- 192000
- 352800
- 384000
- 705600
- 768000
Stereo channel supported.
余談...alsacapコマンドをインストールしても良いかも
$ ./alsacap
*** Scanning for playback devices ***
Card 0, ID `vsound', name `vsound'
Device 0, ID `AoE VSOUND', name `Audio over Ether Virtual sound card', 1 subdevices (1 available)
2 channels, sampling rate 44100..768000 Hz
Sample formats: S16_LE, S24_LE, S32_LE
Subdevice 0, name `subdevice #0
  $ ./a.out -D hw:vsound
Available formats:
- S16_LE
- S24_LE
- S32_LE
Available rates:
- 44100
- 48000
- 88200
- 96000
- 176400
- 192000
- 352800
- 384000
- 705600
- 768000
Stereo channel supported.
余談...alsacapコマンドをインストールしても良いかも
$ ./alsacap
*** Scanning for playback devices ***
Card 0, ID `vsound', name `vsound'
Device 0, ID `AoE VSOUND', name `Audio over Ether Virtual sound card', 1 subdevices (1 available)
2 channels, sampling rate 44100..768000 Hz
Sample formats: S16_LE, S24_LE, S32_LE
Subdevice 0, name `subdevice #0
   — posted by くま at 11:46 am  
    Comment [2]
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