JP2017009921A - 音声処理装置 - Google Patents
音声処理装置 Download PDFInfo
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- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0611—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0641—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region without components of the field effect type
- H01L27/0647—Bipolar transistors in combination with diodes, or capacitors, or resistors, e.g. vertical bipolar transistor and bipolar lateral transistor and resistor
- H01L27/0652—Vertical bipolar transistor in combination with diodes, or capacitors, or resistors
- H01L27/0658—Vertical bipolar transistor in combination with resistors or capacitors
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/082—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only
- H01L27/0823—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only including vertical bipolar transistors only
- H01L27/0826—Combination of vertical complementary transistors
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- H—ELECTRICITY
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- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
Description
以下、本発明の実施形態について説明する。図1及び図2は、本発明の第1実施形態に係るAVレシーバーの構成を示すブロック図である。AVレシーバー1(音声処理装置)は、例えば、図示しない外部機器であるCDプレーヤーと光デジタルケーブルにより接続される。CDプレーヤーは、CDからデジタルデータを読み出し、AVレシーバー1にSPDIF信号を出力する。
図6及び図7は、本発明の第2実施形態に係るAVレシーバーの構成を示すブロック図である。なお、以下、第1実施形態と重複する構成については説明を省略する。AVレシーバー1は、マイクロコンピュータ2、受信回路3、検出回路4、DIR5、DIR用電源6、検出回路7、DAC8を備える。
図9は、本発明の第3実施形態に係るAVレシーバーの構成を示すブロック図である。第2実施形態に係るAVレシーバー1と比較して、第3実施形態では、マイクロコンピュータ2が、DIR5の制御端子CONTROLに接続されている構成が主に異なる。
2 マイクロコンピュータ
3 受信回路
4 検出回路(第1検出回路)
5 DIR(変換回路)
6 DIR用電源(変換回路用電源)
7 検出回路(第2検出回路)
Q1 バイポーラトランジスタ(第1バイポーラトランジスタ)
Q2 バイポーラトランジスタ(第2バイポーラトランジスタ)
Q3 バイポーラトランジスタ(第3バイポーラトランジスタ)
R1 抵抗
INPUT 1〜N 入力端子
Claims (12)
- デジタル音声信号端子が接続されたことを検出し、第1検出信号を供給する第1検出回路と、
前記第1検出回路が前記第1検出信号を供給する場合に、機器間転送するための規格に従った第1デジタル音声信号を、シリアル転送するための規格に従った第2デジタル音声信号に変換する変換回路と、
前記変換回路が変換した前記第2デジタル音声信号が有音を示す音声信号であることを検出し、第2検出信号を供給する第2検出回路と、
前記第2検出回路が前記第2検出信号を供給する場合に、自装置を起動するマイクロコンピュータと、
を備えることを特徴とする音声処理装置。 - 変換回路用電源をさらに備え、
前記第1検出信号は、前記変換回路用電源のイネーブル端子に供給され、
前記変換回路用電源は、
前記変換回路の電源端子に接続され、前記イネーブル端子に前記第1検出信号が供給された場合に、電源電圧を前記変換回路に供給することを特徴とする請求項1に記載の音声処理装置。 - 前記第1検出信号は、前記変換回路のリセット端子に供給されることを特徴とする請求項1又は2に記載の音声処理装置。
- デジタル音声信号端子が接続されたことを検出し、第1検出信号を供給する第1検出回路と、
前記第1検出回路が前記第1検出信号を供給する場合に、変換回路を起動するマイクロコンピュータと、
機器間転送するための規格に従った第1デジタル音声信号を、シリアル転送するための規格に従った第2デジタル音声信号に変換する前記変換回路と、
前記変換回路が変換した前記第2デジタル音声信号が有音を示す音声信号であることを検出し、第2検出信号を供給する第2検出回路と、を備え、
前記マイクロコンピュータは、前記第2検出回路が前記第2検出信号を供給する場合に、自装置を起動することを特徴とする音声処理装置。 - 前記変換回路は、前記第1デジタル音声信号が入力される複数の入力端子を有し、
前記第1デジタル音声信号は、前記複数の入力端子のうちのいずれか1つに入力され、
前記マイクロコンピュータは、前記変換回路の制御端子に接続されることを特徴とする請求項4に記載の音声処理装置。 - 変換回路用電源をさらに備え、
前記マイクロコンピュータは、前記変換回路用電源のイネーブル端子に接続され、前記第1検出回路が前記第1検出信号を供給する場合に、前記イネーブル端子にイネーブル信号を供給し、
前記変換回路用電源は、前記変換回路の電源端子に接続され、前記イネーブル端子に前記イネーブル信号が供給された場合に、前記変換回路に電源電圧を供給することを特徴とする請求項4又は5に記載の音声処理装置。 - 前記マイクロコンピュータは、前記変換回路のリセット端子に接続され、前記第1検出回路が前記第1検出信号を供給する場合に、前記リセット端子にリセット信号を供給することを特徴とする請求項4〜6のいずれか1項に記載の音声処理装置。
- 前記第2検出回路は、
ベースに、前記第2デジタル音声信号が入力され、コレクタが、抵抗を介して、電源に接続され、エミッタが、接地電位に接続された、npn型の第1バイポーラトランジスタを有し、
出力が、前記抵抗と前記第1バイポーラトランジスタのコレクタとの間であることを特徴とする請求項1〜7のいずれか1項に記載の音声処理装置。 - 前記第1検出回路は、
ベースに、前記第1デジタル音声信号が入力され、エミッタが、接地電位に接続され、コレクタが、第3バイポーラトランジスタのベースに接続された、npn型の第2バイポーラトランジスタと、
ベースが、前記第2バイポーラトランジスタのコレクタに接続され、コレクタが、前記第1検出回路の出力であり、エミッタが、電源に接続された、pnp型の前記第3バイポーラトランジスタと、
を有することを特徴とする請求項1〜8のいずれか1項に記載の音声処理装置。 - 前記変換回路は、デジタルオーディオインターフェースレシーバーであることを特徴とする請求項1〜9のいずれか1項に記載の音声処理装置。
- 前記第1デジタル音声信号は、SPDIF信号であることを特徴とする請求項1〜10のいずれか1項に記載の音声処理装置。
- 前記第2デジタル音声信号は、I2S信号であることを特徴とする請求項1〜11のいずれか1項に記載の音声処理装置。
Priority Applications (3)
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JP2015127998A JP6183415B2 (ja) | 2015-06-25 | 2015-06-25 | 音声処理装置 |
US15/166,331 US9967688B2 (en) | 2015-06-25 | 2016-05-27 | Audio processing device |
EP16175456.9A EP3109730B1 (en) | 2015-06-25 | 2016-06-21 | Audio processing device |
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JP2015127998A JP6183415B2 (ja) | 2015-06-25 | 2015-06-25 | 音声処理装置 |
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JP2017009921A true JP2017009921A (ja) | 2017-01-12 |
JP6183415B2 JP6183415B2 (ja) | 2017-08-23 |
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EP (1) | EP3109730B1 (ja) |
JP (1) | JP6183415B2 (ja) |
Citations (5)
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JP2006121705A (ja) * | 2004-10-21 | 2006-05-11 | Hewlett-Packard Development Co Lp | 電子機器の音声出力を構成する方法及び装置 |
JP2011091580A (ja) * | 2009-10-21 | 2011-05-06 | Canon Inc | マスタ装置およびその制御方法 |
US20110299696A1 (en) * | 2004-05-15 | 2011-12-08 | Holmgren Steve F | Method and system for controlling amplifiers |
JP2014220718A (ja) * | 2013-05-09 | 2014-11-20 | キヤノン株式会社 | 音響装置 |
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JP2011234247A (ja) | 2010-04-28 | 2011-11-17 | Toshiba Corp | 電子機器 |
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2015
- 2015-06-25 JP JP2015127998A patent/JP6183415B2/ja not_active Expired - Fee Related
-
2016
- 2016-05-27 US US15/166,331 patent/US9967688B2/en active Active
- 2016-06-21 EP EP16175456.9A patent/EP3109730B1/en not_active Not-in-force
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JP2004152339A (ja) * | 2002-10-29 | 2004-05-27 | Kenwood Corp | デジタル信号処理回路の入力切替方法及びデータ記録再生装置 |
US20110299696A1 (en) * | 2004-05-15 | 2011-12-08 | Holmgren Steve F | Method and system for controlling amplifiers |
JP2006121705A (ja) * | 2004-10-21 | 2006-05-11 | Hewlett-Packard Development Co Lp | 電子機器の音声出力を構成する方法及び装置 |
JP2011091580A (ja) * | 2009-10-21 | 2011-05-06 | Canon Inc | マスタ装置およびその制御方法 |
JP2014220718A (ja) * | 2013-05-09 | 2014-11-20 | キヤノン株式会社 | 音響装置 |
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JP6183415B2 (ja) | 2017-08-23 |
US9967688B2 (en) | 2018-05-08 |
US20160381477A1 (en) | 2016-12-29 |
EP3109730A1 (en) | 2016-12-28 |
EP3109730B1 (en) | 2019-05-15 |
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