質問編集履歴
3
調査結果を追記
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PulseAudioの出力(sink)にEcho Dotが表示されていません。
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-
```
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```sh
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$ pactl list sinks
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@@ -92,47 +92,117 @@
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Driver: module-alsa-card.c
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...
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```
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PulseAudioの入力(source)にはEcho Dotが表示されています。
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```sh
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$ pactl list sources
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Source #0
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State: IDLE
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Name: alsa_output.platform-soc_audio.analog-stereo.monitor
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Description: Monitor of bcm2835 ALSA アナログステレオ
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Driver: module-alsa-card.c
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...(中略)...
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Source #2
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State: RUNNING
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Name: bluez_source.3C_5C_C4_D4_6D_2B
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Description: Echo Dot-DL6
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Driver: module-bluez5-device.c
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Sample Specification: s16le 2ch 44100Hz
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Channel Map: front-left,front-right
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Owner Module: 1
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Owner Module: 19
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Mute: no
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Volume: front-left: 655
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Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
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balance 0.00
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Base Volume: 56
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Base Volume: 65536 / 100% / 0.00 dB
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Monitor
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Monitor of Sink: n/a
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Latency:
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Latency: 25000 usec, configured 135294 usec
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Flags: HARDWARE
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Flags: HARDWARE DECIBEL_VOLUME LATENCY
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Properties:
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bluetooth.protocol = "a2dp_source"
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device.description = "Echo Dot-DL6"
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device.string = "3C:5C:C4:D4:6D:2B"
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device.api = "
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device.api = "bluez"
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device.class = "sound"
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device.bus = "bluetooth"
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device.form_factor = "speaker"
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bluez.path = "/org/bluez/hci0/dev_3C_5C_C4_D4_6D_2B"
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bluez.class = "0x2c0414"
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-
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alsa.name = "bcm2835 ALSA"
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als
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bluez.alias = "Echo Dot-DL6"
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-
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device.icon_name = "audio-speakers-bluetooth"
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-
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ポート:
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speaker-input: Bluetooth Input (priority: 0, available)
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活動中ポート: speaker-input
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形式:
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pcm
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```
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# 2019/01/14追記(未解決)
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以下のコマンドでカード#2のs2dp_sourceというProfileが有効になっているため、このような動作になっているようです。
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```sh
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$ pactl list cards
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カード #0
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名前: alsa_card.platform-soc_audio
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ドライバー: module-alsa-card.c
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モジュール: 1
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プロパティ:
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alsa.card = "0"
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@@ -144,49 +214,167 @@
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sysfs.path = "/devices/platform/soc/soc:audio/bcm2835_alsa/sound/card0"
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device.string = "
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device.string = "0"
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device.buffering.fragment_size = "131072"
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device.access_mode = "mmap+timer"
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device.profile.name = "analog-stereo"
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device.profile.description = "アナログステレオ"
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device.description = "bcm2835 ALSA
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device.description = "bcm2835 ALSA"
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alsa.mixer_name = "Broadcom Mixer"
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module-udev-detect.discovered = "1"
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device.icon_name = "audio-card"
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プロフィール:
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output:analog-mono: アナログモノ 出力 (sinks: 1, sources: 0, priority: 100, available: yes)
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output:analog-stereo: アナログステレオ 出力 (sinks: 1, sources: 0, priority: 6000, available: yes)
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off: オフ (sinks: 0, sources: 0, priority: 0, available: yes)
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有効なプロフィール: output:analog-stereo
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ポート:
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analog-output: アナログ出力 (priority: 9900)
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analog-output: アナログ出力 (priority: 9900, latency offset: 0 usec)
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Part of profile(s): output:analog-mono, output:analog-stereo
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カード #2
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名前: bluez_card.3C_5C_C4_D4_6D_2B
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ドライバー: module-bluez5-device.c
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モジュール: 15
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プロパティ:
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device.description = "Echo Dot-DL6"
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device.string = "3C:5C:C4:D4:6D:2B"
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device.api = "bluez"
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device.class = "sound"
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device.bus = "bluetooth"
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device.form_factor = "speaker"
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bluez.path = "/org/bluez/hci0/dev_3C_5C_C4_D4_6D_2B"
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bluez.class = "0x2c0414"
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bluez.alias = "Echo Dot-DL6"
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device.icon_name = "audio-speakers-bluetooth"
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プロフィール:
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a2dp_source: High Fidelity Capture (A2DP Source) (sinks: 0, sources: 1, priority: 10, available: yes)
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a2dp: High Fidelity Playback (A2DP Sink) (sinks: 1, sources: 0, priority: 10, available: yes)
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off: オフ (sinks: 0, sources: 0, priority: 0, available: yes)
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有効なプロフィール: a2dp_source
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-
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ポート:
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speaker-output: スピーカー (priority: 0, latency offset: 0 usec, not available)
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p
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Part of profile(s): a2dp
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speaker-input: Bluetooth Input (priority: 0, latency offset: 0 usec)
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Part of profile(s): a2dp_source
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```
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```
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それならa2dpというProfileを有効にすれば、解決するんじゃないかと思えたので試してみましたがダメでした。
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offへの切り替えや、その後a2dp_sourceに戻すことはできるものの、a2dpには切り替えできませんでした。
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```sh
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$ pactl set-card-profile 2 a2dp # a2dpへの切り替えに失敗
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失敗: 入力/出力エラー
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$ pactl set-card-profile 2 off # offへの切り替えに成功
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182
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$ pactl set-card-profile 2 a2dp_source # a2dp_sourceへの切り替えに成功
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```
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```
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ちなみにoff状態でのsinksとsourceは、以下の通り。
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Echo Dot関連の記述が入出力ともに無くなっていました。
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```sh
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320
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$ pactl set-card-profile 2 off
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$ pactl list cards
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カード #0
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326
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327
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名前: alsa_card.platform-soc_audio
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328
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+
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329
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ドライバー: module-alsa-card.c
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...(中略)...
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333
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+
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334
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カード #2
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名前: bluez_card.3C_5C_C4_D4_6D_2B
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338
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+
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339
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ドライバー: module-bluez5-device.c
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...(中略)...
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有効なプロフィール: off
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ポート:
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speaker-output: スピーカー (priority: 0, latency offset: 0 usec, not available)
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Part of profile(s): a2dp
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speaker-input: Bluetooth Input (priority: 0, latency offset: 0 usec)
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Part of profile(s): a2dp_source
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355
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+
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356
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+
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357
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$ pactl list sinks
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358
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+
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359
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Sink #0
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360
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+
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361
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State: SUSPENDED
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362
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+
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363
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Name: alsa_output.platform-soc_audio.analog-stereo
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365
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Description: bcm2835 ALSA アナログステレオ
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367
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Driver: module-alsa-card.c
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...(以下略)...
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371
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184
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185
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$ pactl list sources
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Source #0
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State:
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State: SUSPENDED
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190
378
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191
379
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Name: alsa_output.platform-soc_audio.analog-stereo.monitor
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192
380
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@@ -194,116 +382,6 @@
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194
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195
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Driver: module-alsa-card.c
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196
384
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197
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Sample Specification: s16le 2ch 44100Hz
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198
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-
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|
199
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Channel Map: front-left,front-right
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200
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-
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201
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Owner Module: 1
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202
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-
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203
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Mute: no
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204
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-
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205
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Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
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206
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-
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207
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-
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385
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...(以下略)...
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208
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-
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209
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-
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386
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-
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Monitor of Sink: alsa_output.platform-soc_audio.analog-stereo
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212
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-
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213
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Latency: 0 usec, configured 743038 usec
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214
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-
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215
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Flags: DECIBEL_VOLUME LATENCY
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216
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-
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217
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Properties:
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218
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219
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device.description = "Monitor of bcm2835 ALSA アナログステレオ"
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220
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221
|
-
device.class = "monitor"
|
|
222
|
-
|
|
223
|
-
alsa.card = "0"
|
|
224
|
-
|
|
225
|
-
alsa.card_name = "bcm2835 ALSA"
|
|
226
|
-
|
|
227
|
-
alsa.long_card_name = "bcm2835 ALSA"
|
|
228
|
-
|
|
229
|
-
device.bus_path = "platform-soc:audio"
|
|
230
|
-
|
|
231
|
-
sysfs.path = "/devices/platform/soc/soc:audio/bcm2835_alsa/sound/card0"
|
|
232
|
-
|
|
233
|
-
device.string = "0"
|
|
234
|
-
|
|
235
|
-
module-udev-detect.discovered = "1"
|
|
236
|
-
|
|
237
|
-
device.icon_name = "audio-card"
|
|
238
|
-
|
|
239
|
-
形式:
|
|
240
|
-
|
|
241
|
-
pcm
|
|
242
|
-
|
|
243
|
-
|
|
244
|
-
|
|
245
|
-
Source #2
|
|
246
|
-
|
|
247
|
-
State: RUNNING
|
|
248
|
-
|
|
249
|
-
Name: bluez_source.3C_5C_C4_D4_6D_2B
|
|
250
|
-
|
|
251
|
-
Description: Echo Dot-DL6
|
|
252
|
-
|
|
253
|
-
Driver: module-bluez5-device.c
|
|
254
|
-
|
|
255
|
-
Sample Specification: s16le 2ch 44100Hz
|
|
256
|
-
|
|
257
|
-
Channel Map: front-left,front-right
|
|
258
|
-
|
|
259
|
-
Owner Module: 19
|
|
260
|
-
|
|
261
|
-
Mute: no
|
|
262
|
-
|
|
263
|
-
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
|
|
264
|
-
|
|
265
|
-
balance 0.00
|
|
266
|
-
|
|
267
|
-
Base Volume: 65536 / 100% / 0.00 dB
|
|
268
|
-
|
|
269
|
-
Monitor of Sink: n/a
|
|
270
|
-
|
|
271
|
-
Latency: 25000 usec, configured 135294 usec
|
|
272
|
-
|
|
273
|
-
Flags: HARDWARE DECIBEL_VOLUME LATENCY
|
|
274
|
-
|
|
275
|
-
Properties:
|
|
276
|
-
|
|
277
|
-
bluetooth.protocol = "a2dp_source"
|
|
278
|
-
|
|
279
|
-
device.description = "Echo Dot-DL6"
|
|
280
|
-
|
|
281
|
-
device.string = "3C:5C:C4:D4:6D:2B"
|
|
282
|
-
|
|
283
|
-
device.api = "bluez"
|
|
284
|
-
|
|
285
|
-
device.class = "sound"
|
|
286
|
-
|
|
287
|
-
device.bus = "bluetooth"
|
|
288
|
-
|
|
289
|
-
device.form_factor = "speaker"
|
|
290
|
-
|
|
291
|
-
bluez.path = "/org/bluez/hci0/dev_3C_5C_C4_D4_6D_2B"
|
|
292
|
-
|
|
293
|
-
bluez.class = "0x2c0414"
|
|
294
|
-
|
|
295
|
-
bluez.alias = "Echo Dot-DL6"
|
|
296
|
-
|
|
297
|
-
device.icon_name = "audio-speakers-bluetooth"
|
|
298
|
-
|
|
299
|
-
ポート:
|
|
300
|
-
|
|
301
|
-
speaker-input: Bluetooth Input (priority: 0, available)
|
|
302
|
-
|
|
303
|
-
活動中ポート: speaker-input
|
|
304
|
-
|
|
305
|
-
形式:
|
|
306
|
-
|
|
307
|
-
pcm
|
|
308
|
-
|
|
309
|
-
```
|
|
387
|
+
```
|
2
誤字の修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -60,7 +60,7 @@
|
|
|
60
60
|
|
|
61
61
|
|
|
62
62
|
|
|
63
|
-
ちなみに、Echo Dotではなく
|
|
63
|
+
ちなみに、Echo Dotではなく別のBluetoothスピーカーでも試しており、こちらは同様の手順でうまく行っております。
|
|
64
64
|
|
|
65
65
|
Raspberry Pi→Bluetoothスピーカーにオーディオ出力できました。
|
|
66
66
|
|
1
文章の修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -10,7 +10,7 @@
|
|
|
10
10
|
|
|
11
11
|
|
|
12
12
|
|
|
13
|
-
#
|
|
13
|
+
# 実現したいこと
|
|
14
14
|
|
|
15
15
|
|
|
16
16
|
|
|
@@ -18,13 +18,41 @@
|
|
|
18
18
|
|
|
19
19
|
|
|
20
20
|
|
|
21
|
+
```
|
|
22
|
+
|
|
23
|
+
Raspberry Pi -(Bluetooth)-> Echo Dot -(音)-> 人
|
|
24
|
+
|
|
25
|
+
```
|
|
26
|
+
|
|
27
|
+
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
+
# 発生している問題
|
|
32
|
+
|
|
33
|
+
|
|
34
|
+
|
|
35
|
+
オーディを出力の向きが逆なってしまいます。
|
|
36
|
+
|
|
37
|
+
つまり、Echo Dotの音がRaspberry Piに入力されるという事になっています。
|
|
38
|
+
|
|
39
|
+
|
|
40
|
+
|
|
41
|
+
```
|
|
42
|
+
|
|
43
|
+
Echo Dot -(Bluetooth)-> Raspberry Pi --> 有線イヤホン -(音)-> 人
|
|
44
|
+
|
|
45
|
+
```
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
|
|
21
49
|
|
|
22
50
|
|
|
23
51
|
# 試したこと
|
|
24
52
|
|
|
25
53
|
|
|
26
54
|
|
|
27
|
-
以下のサイト
|
|
55
|
+
以下のサイトの手順で設定を行いました。
|
|
28
56
|
|
|
29
57
|
|
|
30
58
|
|
|
@@ -32,13 +60,9 @@
|
|
|
32
60
|
|
|
33
61
|
|
|
34
62
|
|
|
35
|
-
ところが、オーディを出力の向きが逆なってしまいました。
|
|
36
|
-
|
|
37
|
-
つまり、Echo Dotの音がRaspberry Piに入力されるという事になっています。
|
|
38
|
-
|
|
39
|
-
|
|
40
|
-
|
|
41
|
-
ちなみに、Echo Dotではなく、別のBluetoothスピーカーで試し
|
|
63
|
+
ちなみに、Echo Dotではなく、別のBluetoothスピーカーで試しており、こちらは同様の手順でうまく行っております。
|
|
64
|
+
|
|
65
|
+
Raspberry Pi→Bluetoothスピーカーにオーディオ出力できました。
|
|
42
66
|
|
|
43
67
|
|
|
44
68
|
|
|
@@ -54,9 +78,9 @@
|
|
|
54
78
|
|
|
55
79
|
PulseAudioの出力(sink)にEcho Dotが表示されていません。
|
|
56
80
|
|
|
57
|
-
```
|
|
81
|
+
```
|
|
58
|
-
|
|
82
|
+
|
|
59
|
-
|
|
83
|
+
$ pactl list sinks
|
|
60
84
|
|
|
61
85
|
Sink #0
|
|
62
86
|
|
|
@@ -156,9 +180,9 @@
|
|
|
156
180
|
|
|
157
181
|
PulseAudioの入力(source)にはEcho Dotが表示されています。
|
|
158
182
|
|
|
159
|
-
```
|
|
183
|
+
```
|
|
160
|
-
|
|
184
|
+
|
|
161
|
-
|
|
185
|
+
$ pactl list sources
|
|
162
186
|
|
|
163
187
|
Source #0
|
|
164
188
|
|